Ecosystem services | Management practices | Examples | References | ||||||||||||||||||||||||||
Plant production | Polyculture, local variety improvement | Mixed grains, cereals intercropped with leguminous plants, crop rotation, diverse perennial leys in crop rotation, seed selection | Lampkin (1990) Brown (1991) Naeem et al. (1994) Granstedt (1994) Granstedt (1995) Jackson (1997) Drinkwater et al. (1998) Isselstein et al. (2001) Mäder et al. (2002) |
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Biological control | Weed control management | Hoeing (manual weeding), crop rotation and intercropping within fields, undersown crops and catch crops to deter weeds, black fallows (Table 4), weed harrowing, delayed sowing after harrowing of annual weeds, geese as weed consumers, flame treatment on newly sown vegetable fields | Lampkin (1990) Ghersa et al. (1994) Rydberg and Milberg (2000) |
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Pest control management | Social protection of pest-controlling species (Table 5), enhancing/creating habitat for pest-controlling species (Table 5), manual removal of pest insects on crops, intercropping and crop rotation within fields, crop diversification among fields, rotational grazing among pastures, alternating grazing of different livestock species to deter parasites, reserving parasite-free grazing for young stocks, timing of manure application to prevent infestation of visceral parasites, ley species that contain condensed tannins to prevent infestation of visceral parasites, hens as parasite controllers, spraying with nettle infusion to strengthen crops, preparation with steam to kill pathogens, overplanting, fallowing, burning of tick-infested areas | Brown (1991) Altieri (1994) Jackson (1997) Holland and Thomas (1997) Kromp (1999) Zhu et al. (2000) Wolfe (2000) Dimander (2003) |
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Nutrient recirculation | Nutrient supply | Integrated production of crops and livestock, composting and manuring of cattle dung and other organic matters, incorporating residues and weeds into the soil, intercropping and rotation with nitrogen-fixing crops, timing of manure application to maximize nutrient availability, improved leys with N-fixing species in rotations, green manure, social protection of subsurface creatures such as earthworms and mycorrhiza, long- and short-term fallowing, mulching with crop residues and weeds, leaving N-fixing weeds in the fields, trees and deeply rooted plants in and along fields | Magdoff (1992) Parton and Rasmussen (1994) Granstedt (1994) Granstedt (1995) Paul et al. (1997) Giller et al. (1997) Matson et al. (1998) Kling and Jakobsen (1998) Paoletti (1999) Mäder et al. (2002) |
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Buffering climate variability | Diversification | Crop diversification among fields, intercropping and crop rotation within fields, landscape diversification, multiple sowing dates | Tilman and Downing (1994) Altieri (1999) Brookfield (2001) |
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Moisture conservation | Nurse crops or trees as shade, early spring harrowing to prevent capillary rise and evaporation, mulching, keeping continuous land cover (by crops, weeds, or mulch), shading trees | Reijntjes et al. (1992) | |||||||||||||||||||||||||||
Water harvesting | Dams for irrigation of vegetables, field structures to enhance infiltration | Reij et al. (1996), Rockström (2000) |
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Groundwater regulation | Forest or tree protection, protection of water sources | ||||||||||||||||||||||||||||
Pollination | Protection and enhancement of pollinators | Enhancement of species habitats, social taboos on pollinator species, beehives, protection of early flowering species | Feber et al. (1997) Allen-Wardell et al. (1998) Weibull et al. (2000) |
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Information services | Biological indicators (Table 5B) | Indicators for timing of planting and harvest, indicators to predict weather, indicators of field conditions | Scott (1998) | ||||||||||||||||||||||||||
Erosion control | Soil retention and water regulation | Contour planting, leveled fields, planting on tied ridges, mulching, keeping continuous land cover (by crops, weeds, or mulch), perennial crops along contours and field edges, cut-off drains and sluices | Reijntjes et al. (1992) Reij et al. (1996) Scoones (2001) |
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