Table 3. Correlation coefficients for the PSIR components of the ESI 2002 data set.


3.1 State indicators as a function of presure indicators

Pressure

State
STRAIR
STRWAT
STRECO
STRWAS
STRPOP
GLOCLI
GLOTRA

SYSAIR
-0.296***
-0.218*
0.008 ns
-0.48 ***
0.558 ***
-0.353 ***
-0.071 ns
Air
Quality
SYSWQN
0.229 *
0.338***
0.214 *
-0.01 ns
-0.036 ns
0.094 ns
0.171 ns
Water Quantity
SYSWQL
-0.111 ns
0.133ns
-0.102 ns
-0.586 ***
0.414 ***
-0.174 ns
-0.074 ns
Water
Quality
SYSBIO
0.136 ns
0.167ns
-0.036 ns
0.167 ns
-0.099 ns
-0.032 ns
0.28 **
Biodiversity
SYSLAN
0.415 ***
0.338***
0.473 ***
0.277 **
-0.409***
0.184 ns
-0.035 ns
Land

Reducing Air Pollution
Reducing Water Stress
Reducing Ecosystem Stress
Reducing Waste & Consumption Pressures
Reducing Population Pressure
Greenhouse Gas Emissions
Reducing Trans-boundary Environmental Pressures



3.2 Impact indicators as a function of state indicators

State
Impact
SYSAIR
SYSWQN
SYSWQL
SYSBIO
SYSLAN

VULSUS
0.462 ***
0.054 ns
0.414 ***
0.013 ns
-0.258 *
Basic Human Sustenance
VULHEA
0.62 ***
0.044 ns
0.445 ***
-0.107 ns
-0.353 ***
Environmental Health

Air Quality
Water Quantity
Water Quality
Biodiversity
Land




3.3 Presure indicators as a function of response indicators

Response
Pressure
CAPST
CAPEFF
CAPDEB
CAPGOV
CAPPRI
GLOPAR

STRAIR
-0.589 ***
0.237 *
-0.225 *
-0.481 ***
-0.314 **
-0.481 ***
Reducing Air Pollution
STRWAT
-0.382 ***
0.259 *
-0.072 ns
-0.237 *
-0.261 *
-0.239 *
Reducing Water Stress
STRECO
-0.146 ns
-0.128 ns
-0.099 ns
-0.237 *
-0.207 *
-0.302 **
Reducing Ecosystem Stress
STRWAS
-0.79 ***
0.304 **
-0.316 **
-0.555 ***
-0.422 ***
-0.497 ***
Reducing Waste & Consumption Pressures
STRPOP
0.696 ***
-0.494**
0.218 *
0.354 ***
0.386 ***
0.377 ***
Reducing Population Pressure
GLOCLI
-0.563 ***
0.804***
-0.099 ns
-0.136 ns
-0.177 ns
-0.231 *
Greenhouse Gas Emissions
GLOTRA
-0.228 *
0.153 ns
0.179 ns
-0.117 ns
-0.034 ns
-0.292 **
Reducing Trans-boundary Environmental Pressures

Science and Technology
Eco-Efficiency
Capacity for debate
Environmental Governance
Private Sector Responsiveness
Participation in International Collaborative Efforts

ns not significant at P<0.05 * P<0.05 ** P<0.01 *** P<0.001