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Oakes, L. E., N. M. Ardoin, and E. F. Lambin. 2016. “I know, therefore I adapt?” Complexities of individual adaptation to climate-induced forest dieback in Alaska. Ecology and Society 21(2):40.
http://dx.doi.org/10.5751/ES-08464-210240
Research

“I know, therefore I adapt?” Complexities of individual adaptation to climate-induced forest dieback in Alaska

1Emmett Interdisciplinary Program in Environment and Resources, Stanford University, 2Graduate School of Education and Woods Institute for the Environment, Stanford University, 3School of Earth, Energy, and Environmental Sciences, Stanford University, 4Woods Institute for the Environment, Stanford University

ABSTRACT

Individual actions to avoid, benefit from, or cope with climate change impacts partly shape adaptation; much research on adaptation has focused at the systems level, overlooking drivers of individual responses. Theoretical frameworks and empirical studies of environmental behavior identify a complex web of cognitive, affective, and evaluative factors that motivate stewardship. We explore the relationship between knowledge of, and adaptation to, widespread, climate-induced tree mortality to understand the cognitive (i.e., knowledge and learning), affective (i.e., attitudes and place attachment), and evaluative (i.e., use values) factors that influence how individuals respond to climate-change impacts. From 43 semistructured interviews with forest managers and users in a temperate forest, we identified distinct responses to local, climate-induced environmental changes that we then categorized as either behavioral or psychological adaptations. Interviewees developed a depth of knowledge about the dieback through a combination of direct, place-based experiences and indirect, mediated learning through social interactions. Knowing that the dieback was associated with climate change led to different adaptive responses among the interviewees, although knowledge alone did not explain this variation. Forest users reported psychological adaptations to process negative attitudes; these adaptations were spurred by knowledge of the causes, losses of intangible values, and impacts to a species to which they held attachment. Behavioral adaptations exclusive to a high level of knowledge included actions such as using the forests to educate others or changing transportation behaviors to reduce personal energy consumption. Managers integrated awareness of the dieback and its dynamics across spatial scales into current management objectives. Our findings suggest that adaptive management may occur from the bottom up, as individual managers implement new practices in advance of policies. As knowledge of climate-change impacts in local environments increases, resource users may benefit from programs and educational interventions that facilitate coping strategies.
Key words: attitudes; climate change; forest management; individual adaptation; knowledge; place attachment; use values

INTRODUCTION

Unprecedented rates of global environmental change require understanding the modifications of the natural environment, as well as human responses to these changes that, together, influence the vulnerability of people and places (Lambin et al. 2006, Turner et al. 2007, Rounsevell et al. 2012). Continued increases in greenhouse gas emissions mean social-ecological systems must now adapt to climate-change impacts (Benson and Craig 2014). This involves cascading decisions that span from individuals to civil society and governments (Adger et al. 2005). Improving understanding of how resource users and managers respond to changes in their local environment is important as people confront these impacts.

In the climate sphere, scientists and policymakers define adaptation as “adjustments in natural or human systems in response to actual or expected climatic stimuli and their effects” (Parry et al. 2007:6). In the human dimensions of environmental change, adaptation refers to a process, action, or outcome of a system (e.g., community or region) in which the system can “better cope with, manage or adjust” to changing conditions (Smit and Wandel 2006:282). Adaptation research has focused primarily on systems, with less attention to the individual actors that comprise them and act on behalf of themselves and society (Adger 2003, Grothmann and Patt 2005). Individuals have adapted to changes in climate throughout human history, but the effectiveness of societies to adapt to increasing rates of change depends, in part, on the collective responses emerging from individual adaptations (Adger 2003, Folke 2006). These may occur through behavioral changes to better suit the environment or through psychological responses (Reser and Swim 2011, Swim et al. 2011).

Although knowledge (i.e., the understanding about a subject acquired through experience or education) about climate change and its impacts is “one important prerequisite that facilitates the adjustment to new conditions” (Sundblad et al. 2009:281), it may not lead to desired outcomes (Kollmuss and Agyeman 2002, Heimlich and Ardoin 2008). Becoming engaged in adaptation requires people to care about the changes occurring, feel motivated, and have the ability to act (Lorenzoni et al. 2007, Wolf and Moser 2011). Adaptation scholars are beginning to draw from the literature on environmental behavior to explore how the cognitive, affective, and evaluative factors that motivate proenvironmental behavior may apply to individual adaptive responses to climate change (Adger et al. 2012).

Diverse theoretical frameworks and empirical studies address gaps between individuals’ environmental knowledge and proenvironmental behaviors. Early models were based on the assumption of a linear progression of environmental knowledge leading to concern (an environmental attitude, or way of thinking or feeling about the environment or an issue), which was assumed to lead to proenvironmental behavior (e.g., as demonstrated by Ramsey and Rickson 1976, Birch and Schwaab 1983). Subsequent research highlighted the discrepancy, and lack of a direct line, between proenvironmental attitudes and behaviors (Hines et al. 1987, Kollmuss and Agyeman 2002, Heimlich and Ardoin 2008). Cognitive processes, for example, contribute to developing, and continually practicing, new behaviors as individuals observe others’ behaviors (Bandura 1977a, 1977b). Active learning (Fonseca and Chi 2011) about the environment directly (e.g., through personal, firsthand, place-based experience), rather than indirectly (e.g., through in-school settings or social networks), may encourage a stronger, more direct relationship between attitudes and behaviors (Rajecki 1982, Finger 1994, Ballard and Belsky 2010). The degree to which individuals see themselves as part of the natural world relates to the type of concern an individual develops for an issue, and the situations that motivate them to act. Concern often intertwines with other drivers, such as place attachment and the use values an individual derives from a resource, to motivate proenvironmental behaviors (Schultz 2000, 2001, 2002, Schultz et al. 2004).

Place attachment, a suite of place-related emotions that binds someone to a geographic location (Rubinstein and Parmelee 1992), develops based on a variety of factors, such as residency, shared social experiences, and place-related learning (Vaughan and Ardoin 2014). This attachment can form functionally when a resource provides amenities necessary for desired activities (Stokols and Shumaker 1981, Williams and Roggenbuck 1989, Williams and Vaske 2003), or emotionally when psychological investment in a setting or resource develops through experience over time (Kals et al. 1999, Williams and Patterson 1999, Rogan et al. 2005, Scannell and Gifford 2010). Attachment tends to increase an individual’s willingness to protect or conserve the place, or source, of attachment (Vaske and Kobrin 2001, Ardoin 2006, Devine-Wright 2009, Russell et al. 2013). It is often associated with use values, or the benefits that a resource provides for those who use it, both directly, i.e., through extractive or nonextractive uses, such as tourism and recreation, or indirectly, i.e., through intangibles values, such as aesthetic appreciation or spiritual value (Kellert 1996, 1997, Gee and Burkhard 2010).

These cognitive, affective, and evaluative variables mediate and moderate people’s environmental interactions and may apply to individual-level adaptation. A sense of attachment to the changing ecosystem or its components may help explain varying responses to climate-change impacts as values and culture shape adaptation (Adger et al. 2009, 2012). Few empirical studies provide evidence of how these factors influence individual, adaptive responses to a climate-change-impacted system. A persistent gap remains between concern and attitudes about climate-change impacts and climate-related behaviors (Moser 2014), which may be due, in part, to learning about climate change through sensationalist messaging (e.g., dramatic glacial retreat), as opposed to through knowledge of the local impacts that occur in communities across the planet (Otieno et al. 2014). Wibeck (2014) identified problems with the “information deficit model,” recognizing that knowledge alone is insufficient to engage citizens in climate-related issues. Fritze et al. (2008) argued that understanding the extent of short-term and long-term challenges posed by climate change can create distress and affect citizens’ responses. In contrast, research suggests correlations between feelings of hope and efficacy, and a willingness to engage in proenvironmental behaviors and support climate change policies (Lorenzoni et al. 2007). Our review of the adaptation literature indicates a dearth of empirical studies that have explored how these factors interact with one another to shape individual responses to local climate-change-induced impacts.

The objective of our study is to investigate the relationship between knowledge of, and adaptation to, widespread, climate-induced tree mortality to better understand the cognitive (i.e., knowledge and learning), affective (i.e., attitudes and place attachment), and evaluative (i.e., use values) factors that affect how resource users and managers respond to local climate-change impacts. Our study takes place in the Alexander Archipelago of southeastern Alaska, which, together with the Pacific Northwest coast, retains the largest collective area of temperate rainforests on Earth (Kellogg 1992, DellaSala et al. 2011). We explored how individuals learn about impacts occurring locally and if knowing that these impacts are climate-change-related influences their responses to the impacts. We expected to find different adaptive responses between participants who were knowledgeable about the dieback’s causal link to climate change, compared to those who were not. We also anticipated that other factors known to motivate environmentally responsible behavior, such as concern, place attachment, and the use values people derive from nature, would help explain any observed variations. Based on the environmental behavior literature, our hypotheses focused primarily on adaptation as changes in individuals’ actions, but study participants also highlighted a suite of psychological adaptations.

MATERIALS AND METHODS

Study background

Referred to as “yellow-cedar decline,” the extensive mortality of yellow-cedar [Callitropsis nootkatensis (D. Don) Oersted ex D.P. Little] covers nearly 200,000 hectares (Lamb and Winton 2011, Hennon et al. 2012) in southeast Alaska and extends further into British Columbia (Westfall and Ebata 2014). Research links the dieback to climate change; reduced snowpack makes the shallow roots of these trees vulnerable to sudden cold weather (Schaberg et al. 2005, 2008, 2011, D’Amore and Hennon 2006, Beier et al. 2008, Hennon et al. 2012). The decline occurs on designated wilderness lands in southeast Alaska, as well as lands managed for timber and other uses in the Tongass National Forest (Tongass), which comprises approximately 80% of the archipelago (Albert and Schoen 2013). This dieback is not unique; researchers have documented widespread, climate-induced forest dieback events across the globe, and they are expected to increase with warming temperatures (Allen and Breshears 2007, Allen et al. 2010). Changes in forest structure and function related to climate have regional societal consequences (Flint 2006, Chapin et al. 2008, Trainor et al. 2009, Wolken et al. 2011). Both social and ecological aspects of the decline (Appendix 1) provide an opportunity to explore linkages between knowledge and adaptation, as well as other factors motivating individual responses to climate-change-induced impacts.

Interview protocol

The lead author conducted interviews with forest users (n = 34) and managers (n = 11) during 2013; responses from two forest users, who were unaware of the dieback, were removed from the final dataset (N = 43) for analyses. Formal and informal interactions with forest users, managers, and community members informed the semistructured interview protocol design (Patton 2002). Based on Ostrom’s (2009) framework for analyzing social-ecological systems, we defined “users” as individuals who use the forest in diverse ways, and “managers” as those who work within the Tongass or manage Alaska Native land. The interview protocol (Appendix 1) included questions covering four lines of inquiry: (1) How knowledgeable are users and managers about forests affected by yellow-cedar decline, and how are they learning about the dieback? (2) What are forest users’ attitudes about these changing forests? (3) What kinds of use values do users and managers associate with yellow-cedar forests, and what impact does the dieback have on those use values? (4) In what ways, if any, are forest users and managers adapting to the changes occurring in these affected forests? Our narrative-style interview approach allowed individual perspectives and experiences to emerge and enabled collection of qualitative data (Patton 2002) that elucidated a range of use values not often captured in standardized, direct question-answer techniques (Satterfield 2001, Gould et al. 2015; Appendix 1).

Sampling frame and characteristics

Interviews were conducted with adult Alaska residents (minimum of one year of residency) living in towns and remote places predominantly within the northern portion of the yellow-cedar population distribution in the Alexander Archipelago (Fig. 1). This geographic restriction prevented participant confusion between yellow-cedar and western red cedar (Thuja plicata Donn ex D. Don), a similar species found in the southern extent of the archipelago. We identified five towns (Juneau, Sitka, Hoonah, Tenakee Springs, and Gustavus) for interviewing, based on proximity to live yellow-cedar forests and forests affected by the dieback and the ability to sample forest users and managers who represented a diversity of forest resource uses. To enable broader participation of individuals active in forest management and forest industry, we included residents outside these primary locations whose professional work or use of forest resources extended to the northern Tongass.

We selected participants using a mixed-purposeful strategy, combining chain-referral and intensity sampling (Patton 2002). In addition to individuals directly using the forests, we identified forest managers working at the Regional Native Corporation and federally recognized tribal governments, and at various institutional levels (e.g., district, regional) within the USDA Forest Service. We determined participant categories (Table 1) a priori by reviewing regional forest management documents (USDA-FS 2008) and publicly available information (e.g., local news, government websites) on organizations, agencies, and companies involved in forest-related issues. To affirm, or refine, these a priori classifications, we asked interviewees to indicate how they self-identified (Appendix 1) as users or managers within the categories specified.

Data analysis

We transcribed the interviews verbatim; we analyzed the data by combining targeted and open coding processes (Maxwell 2005, Creswell 2012) using NVivo 10.0 (QSR International) for explanatory variables (Appendix 1). Targeted or selective coding involves combing data for mentions of predetermined themes; open coding entails analyzing with allowance for emergent themes and patterns (Glaser 1992). The authors and two assistants developed the coding iteratively. Interviewees were classified to emergent-knowledge groupings based upon their awareness of the dieback and knowledge of its causes. We then identified adaptive responses that emerged from the participants and assigned them to broader categories, or “forms” of adaptation.

To test for significantly different adaptive responses across the knowledge groupings and between users and managers, we used permutational multiple analysis of variance (PERMANOVA, α = 0.05), a method robust to small sample sizes (Gonzalez and Manly 1998, McArdle and Anderson 2001), based on Jaccard dissimilarities of the adaptation data (presence/absence of emergent forms between interviewees). We chose this quantitative method to remain consistent with our interpretive, exploratory analysis, but also to complement our qualitative approach. These analyses were performed in R (R Development Core Team 2013) using the Vegan and Adonis packages. We constructed qualitative data matrices in NVivo to explore the nuances and patterns in the relationships between knowledge groupings and adaptive responses (forms), as well as the secondary factors that are known to interact with knowledge in motivating behavioral change.

FINDINGS

Adaptation

We found distinct forms of adaptive responses that we characterized as behavioral or psychological adaptation types (Table 2). Evidence of behavioral adaptation (i.e., behavioral changes in response to actual or expected climate-related impacts) emerged from reported differences between experiences with live and dead yellow-cedar trees, and activities in or around affected and unaffected forests. Evidence of psychological adaptation (i.e., psychological adjustments in response to actual or expected climate-related impacts) commonly emerged from discussions about perceptions of the affected forests, as well as questions about management and future outlook. Each forest user and manager who was aware of the dieback demonstrated at least one form of adaptation to the environmental changes and the vast majority reported multiple forms (mean 3.6 ± 1.5), as well as specific activities or processes within these broader categorizations. Interviewees, and particularly forest managers, typically expressed more forms of behavioral adaptations than psychological adaptations.

Knowledge

Three groupings of knowledge that describe the climate-forest relationship emerged: (1) aware of the dieback, but not aware of its causal link to climate change (8 users, 1 manager); (2) aware of the dieback and its causal link to climate change, but limited in knowledge about the climate mechanism (10 users, 3 managers); and (3) aware of the dieback and its causal link to climate change, as well as more knowledgeable about the climate mechanism (14 users, 7 managers). Those classified as less knowledgeable identified factors such as climate change or reduced snow to be “somehow” related to tree mortality; e.g., “Sounds like it’s related to warming of the climate,” or, “I may not get it right, but there isn’t enough snow in the wintertime.” By contrast, those classified as more knowledgeable explained linkages between climate change, loss of snow cover, and root death, as well as commonly identified factors that influence the species’ vulnerability (e.g., shallow roots, occurrence at low elevations): “Climate change has a significant effect on [the species] with loss of snow cover and root freezing.”

Most interviewees described gaining awareness of the dieback through direct exposure to, experience with, and use of forests through activities such as travel, professional work, or recreation that fostered place-based learning. Access to forests affected by the dieback was key in forming this awareness. Learning about the causes of the dieback and its pervasiveness occurred differently for forest managers and users. For forest managers, it occurred through direct, personal exposure to these forests, as shaped by their responsibilities, in conjunction with information exchange within their professional networks. For forest users, it occurred primarily through indirect, vicarious, and mediated learning experiences (e.g., through other community members, by attending workshops) or media-related learning (e.g., radio, television news, Internet); the exception was two Native residents who hypothesized about climate change as the cause, based on their own observations. The scale of direct exposure of users to the forest influenced their perception; fine-scale interactions, such as harvesting bark in specific forests, limited spatial awareness, whereas broad-scale interactions, such as boating, influenced a deeper understanding of dieback’s extent. Forest users who vicariously learned about the dieback through media networks reported less knowledge or no awareness of the causal link to climate change (groups one and two, above) than those who learned more actively, or in a personal way, by attending public presentations, seeking out published studies, or engaging in discussions with community members. Those most knowledgeable about the causal link to climate change tended to learn through a combination of indirect learning experiences (i.e., news media, published studies, or community members), as well as direct experience in place (i.e., their own firsthand observations and ecological understanding).

Focusing on their management objectives, managers were less occupied with obtaining a depth of understanding about climate change mechanisms than with the population dynamics that occur across the species range, or about present and future site conditions favorable to yellow-cedar.

As one manager explained:

I’m aware that there’s concern that [yellow-cedar] is in decline as a species, and there’s some theories, climate change being one of them, about the cause. I’m not really convinced that we know why it’s happening...but maybe that’s not even relevant.

Relationships between knowledge and adaptation

The various forms of adaptation adopted by interviewees (N = 43) differed significantly across knowledge groupings (PERMANOVA: F = 2.2277, p = 0.02) and between users and managers (F = 8.0184, p = 0.001). Knowing that the environmental changes occurring were associated with climate change led interviewees to different adaptive responses. There was no statistically significant difference between the composition of forms adopted by interviewees in groups two and three (F = 1.8543, p = 0.075). The qualitative data, however, indicated that an increase in knowledge was associated with specific responses; the intended outcomes of specific activities (behavioral) and psychological responses differed in scale; the saliency of responses, specifically for psychological forms of adaptation, also varied. We first report these qualitative findings from the interview data to explain the relationship between knowledge and adaptation, and then explain how secondary affective and evaluative factors shape reported adaptations.

Behavioral adaptations varied in the geographic scale of their intended outcomes, both across knowledge groupings and between users and managers. Users who were not aware of the dieback’s link to climate change discussed specific behavioral responses with outcomes at local and regional scales (e.g., changing locations for recreational land use to avoid affected forests; opportunistically harvesting dead trees). Managers focused on integrating awareness of the dieback and knowledge of changing conditions into existing practices, such as planting trees where they may be more likely to survive in operational planting. In some cases, managers exercising these behavioral adaptations (e.g., favoring and promoting, researching; Table 2) clarified that these actions were not a direct response to climate change, but rather were an effort to incorporate awareness of the dieback and its dynamics across spatial scales into management objectives. Adaptive practices emerged as conscious efforts (e.g., behavioral changes in existing planting programs) “to move [the species] up [in elevation] and north to north-facing slopes on well-productive sites,” as one manager explained.

Reported forms of behavioral adaptation that were exclusive to group three included: site-specific stewarding (i.e., piling snow at the base of yellow-cedar trees), educating others about climate impacts by using yellow-cedar as an example, and adopting new transportation behaviors, such as biking to work, to reduce energy consumption. Individuals who adopted these behaviors acknowledged the global nature of climate change and reported a suite of behavioral adaptations intended to make some difference across multiple geographic scales. Irrespective of knowledge groupings, opportunistic use of dead trees was reported most commonly (28 interviewees). Although substitutions (i.e., dead for live, or other species for yellow-cedar), preferential uses, and restraining from using live trees were common behavioral adaptations for all knowledge groupings, those who were aware of the causal mechanism to climate change felt these types of behavioral changes allowed them to act responsibly.

One user explained:

The cedar are also impacted by the climate change, so I just can’t see still harvesting...the way we used to do.

Psychological adaptations occurred within all knowledge groupings, but were reported more frequently by those who knew about the link to climate change. The quality of these responses varied in intensity between low versus high knowledge groupings, as did the intended outcomes (i.e., self versus others). Whereas connecting served to help users not aware of the climate change link grapple with the unknown causes, connecting for users in group three enabled them to cope with their knowledge of the global nature of climate change and its impacts on the local environment.

As one user explained:

Yellow-cedar is one of those [species] that seems to be more susceptible to small changes, and the fact that yellow-cedar can stand dead for so long without falling is a looking-glass to the original sin of particular matter.

Users in group three commonly discussed psychological adaptations with intended outcomes that affected both themselves and others (e.g., coping by focusing on the need to repair human-environment relationships, or actively moving through a grief process in community). These psychological adaptations were more salient and pressing for those with more knowledge.

Another said:

It’s of a global nature, and that’s a really hard thing to stop. So maybe the question is this: what nourishes, facilitates, and what severs connection? What is each of our roles in this? The more connected we can become, the happier we are going to be amidst the changes occurring. We resonate.

Seven out of the eight managers who knew about the link to climate change reported expanding their perspective of forests spatially and temporally, whereas the other psychological adaptations (Table 2) were largely exclusive to forest users.

One manager expressed:

If you think long-term enough, it’ll be fine.

Another stated:

It’s just understanding ecology in that [yellow-cedar] will probably move north and upward.

Managers who knew about the climate change link often perceived the ecological changes occurring as part of a natural process or as accelerations of dynamics already occurring. Users who expanded their perspectives of forests spatially and temporally related the intended outcomes of this adaptive response to themselves as a means to cope with their understanding of the changes occurring, whereas managers focused on the outcomes for the tree species across its range.

One forest user, a scientist, explained:

I’m getting better at visualizing deep time both directions. It makes me realize the present moment of human depredation is definitely going to be fleeting.

Adaptive responses to the climate-induced dieback were often intertwined with responses to other environmental changes affecting the species, such as logging practices. Those knowledgeable of the dieback’s link to climate change often considered climate change as an additional stressor to a slow-growing species with a history of harvesting. The dieback exacerbated existing challenges from historical logging to maintain a viable population for future harvest or to cope with losses due to harvests.

Mediating factors influencing adaptation

As interviewees described their relationship to yellow-cedar trees, coastal forests, and individual forest-related experiences, many responses exhibited the bundling (Klain et al. 2014, Gould et al. 2015) of multiple use values, attitudes, and attachment (Fig. 2). The patterns observed across the dataset provided further insight into the ways in which these affective and evaluative factors mediate between knowledge and adaptation (Fig. 3).

Attitudes

We identified a set of attitudes about the species’ dieback and the changes occurring (Table 3), and observed specific attitudes characteristic of users aware of the dieback and its causal link to climate change (groups two and three). These attitudes included concern that emphasized the global nature of climate change, and fear, hopelessness, lacking self-efficacy, and a sense that these environmental changes are indicative of future impacts. Users in these groups commonly expressed negative attitudes, and those more knowledgeable emphasized these negative attitudes more extensively in discussion.

One interviewee stated:

These huge changes just feel so intractable to try and push against.

Knowledgeable users in group three expressed concerns across multiple scales, discussing local losses of the species or additional climate change impacts at multiple scales (e.g., stream temperatures, fisheries, sea-level rise, and ocean acidification).

One user explained:

I worry about the yellow-cedar because it’s... one of those indicator species... like the canary in the coal mine of saying: we’re starting to lose it. And we might be able to point back 20, 30 years from now and say: if we had paid more attention to the yellow-cedar, we would have seen the fraying of this ecosystem.

By contrast, forest managers in groups two and three commonly expressed more pragmatic, utilitarian attitudes.

Psychological adaptations enabled interviewees to process specific emotions spurred by their knowledge of climate change as the causal mechanism of the dieback. Broadening one’s spatial and temporal perspective of forests, for example, enabled users to shift their negative attitudes about the short-term, localized losses of this tree toward more optimistic perspectives on long-term changes.

One user in group three explained:

To grieve for the loss of a cedar is [a] piece of the meditation, and then to act from that meditation is yet another piece.

We did not find that these negative emotions hindered behavioral responses, because participants expressing attitudes of fear, hopelessness, and even lack of self-efficacy commonly reported behavioral adaptations. Knowledgeable interviewees, who expressed global concern, commonly reported behavioral changes with outcomes intended to make a difference at that scale, such as educating others about climate change impacts.

One user shared:

Well, it’s pretty sad... It was my favorite conifer around here so it’s a loss of that particular tree [that feels] personal. I’m not sure how to stop [climate] change other than to stop driving my car and convincing everyone else in the whole world to do the same thing.

This user, like others with his knowledge and negative attitude, still adopted a suite of behavioral responses, such as substitution, opportunistic use, and preferential use, along with others, like restraint by reducing home energy use. Thus, having negative attitudes did not preclude a sense of optimism; many forest users and managers expressed both.

As one manager explained:

It is the plight of the modern-day environmentalist where one oscillates between utter despair and steady optimism.

Those who felt hopeless also wanted to know what they could do at a local level to help the yellow-cedar population, reported a lack of self-efficacy, and questioned what would inspire collective action to address climate change. Those individuals still adopted multiple forms of behavioral and psychological adaptations.

Use values and attachment

We found clear patterns of use values and place attachment influencing specific attitudes: local and regional concern, as well as pessimism about losses. These affective and evaluative factors helped explain the variation we observed in attitudes and mediate between knowledge and adaptation (Fig 3).

Individuals who reported direct use values of yellow-cedar trees, such as hunting, harvesting, or educational use (Table 4), were able to make substitutions, adapt to new opportunities created in the affected forests, or adopt other forms of behavioral adaptation. By contrast, we found that interviewees associated many intangible values with live forests; these values were different from those attributed to affected forests (Table 5). Benefits not attributed to affected forests included, for example, specific spiritual values, feelings of enhanced well-being, and cultural heritage. Users who derived these intangible values experienced irreplaceable losses.

As one Native Alaskan interviewee expressed:

We are who we are because of the trees... [They] remember all my grandmothers that I didn’t know, and they tell me about them.

Another stated:

It’s always uplifting to walk into the forest among the cedars. I think the cedars and my ancestors and myself have a kinship that goes back 10,000 years.

The loss of aesthetic and spiritual values helped explain some differences between direct uses of affected and unaffected forests because interviewees who perceived these values as impacted tended to physically avoid the affected forests. Responses included, for example, “There’s something disheartening about it...like going to a graveyard,” and “I have not [walked in affected forests], and that’s not by accident...They make me uncomfortable.” Managers tended to focus on direct use values and the intangible values held by others, such as cultural values or Native heritage; however, few shared personal intangible values for live yellow-cedar trees or unaffected forests, such as feeling recharged or inspired.

Most described a sense of place and place attachment to southeast Alaska, but those who derived direct uses and intangible values from the trees expressed functional and emotional attachments at a finer scale. This species-level attachment resulted in escalated attitudes of concern and pessimism, irrespective of knowledge grouping, as interviewees acknowledged potential economic implications or expressed remorse for loss of intangible benefits.

Managers seldom distinguished their personal attachment to yellow-cedar as distinct from other species, but rather focused on their relationship at the forest level. E.g.:

I love woods and I love trees. I can see how particular trees would be important; put me in a ponderosa pine forest, I’m just as happy.

However, the few managers who exhibited psychological adaptations, other than spatial and temporal expansion, expressed a personal attachment to the species and associated the live forests with intangible values. Managers and some users who had relatively limited direct uses of yellow-cedar trees or personal experience in these forests did not seem to develop a sense of emotional attachment to yellow-cedar trees. Instead, the use values applied by other people or management objectives shaped functional attachment. Pessimism about losses and concern across multiple scales were most salient for interviewees with a high level of knowledge developed through a combination of place-based and social learning, functional and/or emotional attachments to the species itself, and use values, often intangible ones, that could not be substituted between the affected and unaffected forests.

DISCUSSION

Individual-level adaptation

Our study provides empirical evidence for the cognitive, affective, and evaluative factors that interact to influence individual adaptation, and it illuminates distinct psychological and behavioral responses that may emerge in an ecosystem experiencing widespread, climate-induced impacts, such as tree mortality. Quantitative results (i.e., PERMANOVA) indicate that knowing specific environmental changes are induced by climate change, as opposed to simply being aware that those environmental changes are occurring, is associated with different behavioral and psychological adaptations. These findings were further supported by our qualitative analyses. We found a diversity of response actions that include, for example, opportunistically using or exploiting new opportunities in the dynamic ecosystem, physically avoiding places where impacts occur, and using impacts in the local environment to educate others about climate change. We also discovered a suite of other psychological adaptations, such as focusing on deepening connections within communities in the region and expanding one’s view of the impacted system temporally and spatially, to cope with the changing ecological dynamics. Our data indicate that knowledge alone does not motivate differing responses; attitudes mediate knowledge and adaptation. Specific attitudes, such as concern at a global scale, were characteristic of users who were more knowledgeable about the dieback’s causal link to climate change and helped explain variation in adaptive responses. Attachment to the species was deeply intertwined with the use values that various respondents described deriving from the species. Together, these factors helped shape attitudes toward the occurring impacts.

We found that knowing that the diminishment of a species was attributed to climate change could precipitate feelings of concern across multiple scales, pessimism about losses, hopelessness, and fear, particularly for resource users. Doherty and Clayton (2011) differentiated between classes of psychological impacts of climate change: direct, e.g., acute or traumatic effects of extreme weather or a changed environment; indirect, e.g., threats to emotional well-being based on observation of impacts, and concern or uncertainty about future risks; and psychosocial, e.g., chronic social and community effects of heat, drought, or climate-related conflicts. Many, but not all, knowledgeable participants adopted coping strategies for their negative feelings. Starting with concrete concepts and experiences in place to encourage reflection, thought, and action, Wibeck (2014) argued that focusing on locally relevant climate change impacts in communications may help encourage individuals to act by connecting to people’s emotions and concerns (O’Neill and Nicholson-Cole 2009). Because the more knowledgeable participants in our study tended to learn about the dieback through a combination of indirect learning experiences coupled with direct, place-based learning, our findings suggest that a greater depth of knowledge about climate-related impacts in the local environment may develop through such an integrated avenue. Although some Native Alaskans did not report actively, nor perhaps even consciously, learning about the climate-related causal mechanism, they drew from historical observations and cultural stories of the changing environment to hypothesize a link between tree death, root injury, and climate change. Riedlinger and Berkes (2001) identified areas, such as local-scale expertise, sources of climate history, hypothesis formulation, and understanding impacts and adaptation in northern communities, in which traditional knowledge may complement western scientific knowledge. The attitudes that we found to be associated with knowledge of the causal mechanisms indicate that deepening knowledge may also spark a suite of negative emotions. Fritze et al. (2008) suggested that the longer term impact of climate change on mental health may derive from people’s emerging awareness of climate change as a global threat. Our findings on the attitudes influenced by climate-related knowledge in this particular ecosystem add empirical evidence to these claims.

Feelings of hopelessness and inefficacy related to climate change have been linked with a tendency to ignore the problem or to rationalize inaction (Norgaard 2011). By contrast, we found that experiencing these negative emotions did not inhibit action. Rather, individuals who reported similar behaviors acted within their capacity to adopt activities with intended outcomes that extended beyond the local environment. These activities included, for example, raising climate change awareness by educating visitors to the region through the dieback or choosing more energy-efficient behaviors. The adaptations attributed to more knowledgeable participants suggest that adaptation at the individual level may be a mixture of self-interest and prosocial motives (e.g., concern for other people, the next generation, other species, or whole ecosystems), a dynamic similar to those observed in proenvironmental behavior (Bamberg and Möser 2007). With a greater depth of knowledge, individuals can conceptualize the problem at a global level (Uzzell 2000) and extrapolate their direct local experience to more distant places. We found that psychological adaptations enabled some interviewees to process these negative emotions, even though not all of those expressing feelings of hopelessness, inefficacy, and fear expressed coping strategies. The Australian Psychological Society, for example, offers ways of responding to climate change and other global-scale environmentally related issues, some of which are similar to the adaptations we observed, i.e., talking with others about problems and modeling through individual action changes one would like to see at a global scale (APS 2007). As resource users become aware of the climate-induced causes of impacts occurring in their own environment in other systems impacted by climate change, they may benefit from programs that facilitate psychological adaptation to the emerging ecosystem.

Our study indicates that fine-scale ecological dynamics, such as a species dieback in forests, may disproportionately affect people who attribute nonsubstitutable intangible values or attachment to specific ecosystem components. Because long-living trees span several human generations, the trees constitute a living link between and among people (Blicharska and Mikusińksi 2013). Awareness of old trees as part of human identity and cultural heritage is critical when considering worldwide decline (Blicharska and Mikusińksi 2014). Our study provides evidence that attachment not only extends beyond place to individual species, but also that fine-scale species attachment influences attitudes about the occurrence of impacts. Interviewees with emotional attachment to the dieback-affected species, who associated unaffected forests with intangible benefits, such as cultural history, expressed deeper concern. Broader ecosystem changes, such as coastal inundation, can displace people from places they value (Adger et al. 2012) and have an impact on cultures when there are few substitutions for lost significant sites (Kirsch 2001, Crate 2008, Ford et al. 2010, Garrett 2010). In contrast, many direct uses we found were substitutable between forests affected and unaffected by the decline, and between live and dead trees. Forest users who could benefit from these new uses felt less concerned about the losses and were able to take advantage of the emerging conditions.

Implications for management

Adaptive behaviors exhibited by managers, such as preferentially selecting less healthy trees for harvest or experimenting with planting, indicate that individuals who are knowledgeable about ecosystem dynamics may be better able to integrate that information into existing management practices before policies are adapted. Management practices can influence the timing and direction of changing forest dynamics at specific locations (Spittlehouse 2005). Although 11 managers is a small number of respondents, the individuals in our sample oversee large tracts of land. At the time of these interviews, nine USDA employees managed designated wilderness areas throughout the region and nine individuals held positions as professional foresters. Although adaptive practices implemented were not generalizable to the management population, the actions undertaken by relatively few people can have notable future implications. Our findings suggest that obtaining a depth of knowledge about the interactions between climate change and site conditions favorable to the species across its range may be central to motivating managers’ adaptive practices; understanding the linkages helped managers identify research gaps to implement experimental plantings, for example, or promote individual trees where they may be more likely to survive. Future research might include testing the link between depth of knowledge and decision making on adaptive management practices by using a larger sample frame and a survey-based methodology in another system experiencing climate-related impacts. There may also be feedbacks that make determining the directionality of causal relationships difficult; undertaking adaptive practices could also influence knowledge, attitudes, and use values that an individual derives from the system that has been impacted.

Limitations

In this study, we did not select interviewees to be representative of the regional population, but rather to provide insight into individual adaptation by including people with diverse relationships to forests in southeast Alaska. Some of the adaptations we observed, such as educating others about climate-change impacts, could be interpreted as engagement, i.e., a state of connection through codependent spheres of cognition, affect, and behavior (Lorenzoni et al. 2007), or mitigation, such as reducing personal energy consumption. Our analyses aimed to identify individual adjustments, which can include engagement or behavioral changes that move toward mitigation.

The interviewees’ perception of the researcher as an outsider or an expert may have affected the perspectives they shared. As such, interviewees may have been less likely to share psychologically or emotionally charged responses or express attitudes of concern, even though researchers were careful to consider reflexivity in interactions and interpretation (Bourdieu and Wacquant 1992, Alvesson and Sköldberg 2009). Despite our attempt to minimize framing effects, the ways in which questions were asked, and the context in which forests were discussed, may have influenced individuals’ responses (Satterfield 2001, Lakoff 2010, Gould et al. 2015). Finally, attributing adaptations to climate change is not simple because these adaptations occur in the context of other events (Adger et al. 2005). Attitudes about the species dieback, such as concern, may have been exacerbated by existing concerns about the impact of historic logging practices on the species. We did not attempt to isolate adaptive responses to the species dieback from the context of past and present land use; rather, we aimed to understand how knowing about the dieback’s causal link to climate change may influence different responses. We recognize that not all responses to climate change and its effects may be adaptations and that other scholars might categorize these responses differently, e.g., in accordance with standard IPCC practices (Parry et al. 2007), such as mitigation and adaptation.

CONCLUSION

Moving beyond the focus of adaptation on adjustments in natural or human systems, our study provides empirical evidence that adaptation, at a finer scale, includes a breadth of psychological coping processes and behavioral changes at the individual level that aim to minimize losses or exploit new opportunities. Cognitive, affective, and evaluative factors known to motivate behavioral change also apply to an ecosystem impacted by climate change and interact to affect the ways in which individuals respond to the changing environment. Knowing that local environmental changes that are occurring are associated with climate change may lead individuals to adapt in different ways. We found this knowledge was commonly associated with psychological adaptations to process negative emotions and behavioral changes that recognize the global nature of climate change. This was particularly true for knowledgeable forest users, who expressed salient psychological coping processes, whereas forest managers focused on the forest resource and integration of their knowledge of the impacts occurring across multiple scales (i.e., site level to range wide) into adaptive practices.

Influenced by cognitive, affective, and evaluative factors at the individual actor level, managers may implement adaptive practices in advance of policies. As knowledge of climate-change impacts in local environments increases, our study suggests that adaptive management may occur from the bottom up. Our findings also highlight the importance of interventions that facilitate coping strategies as community members develop new relationships with the emerging ecosystem.

RESPONSES TO THIS ARTICLE

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ACKNOWLEDGMENTS

Funding for this study was provided by Stanford University’s School of Earth, Energy, and Environmental Sciences, the USDA Forest Service, and The Wilderness Society Gloria Barron Fellowship. L.E.O. was supported by a National Science Foundation Graduate Research Fellowship and the Emmett Interdisciplinary Program in Environment and Resources at Stanford University. We thank the study interviewees for sharing their perspectives and for their generosity in time, trust, and hospitality. The USDA Forest Service Forest Health, Sitka District Forest Service, Hoonah District Forest Service, and many community members provided housing support for the lead author during data collection. L. Petershoare and B. Lindekugel provided assistance identifying Native community members for study participation and reviewing participant groupings with sensitivity to legal perspectives on subsistence uses. We thank J. Felis for GIS support (Fig. 1), as well as C. Woolsey, R. Malczynski, and N. Wyman at Stanford University for coding assistance. Comments from F. Moore, A. Cravens, and A. Becker improved this manuscript, and W. Hoover provided copyedits.

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Address of Correspondent:
Lauren E. Oakes
Y2E2 Building 4210
473 Via Ortega, Suite 226
Stanford, California
94305 USA
leoakes@stanford.edu
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