Table 3. Parameters estimated by the generalized linear models for Conservation Units in either the Amazon or the Atlantic Forest.
Levels of significance are indicated between brackets only for significant variablesa in each model (in bold).
| Amazon | Atlantic Rainforest | Both biomes | |
|---|---|---|---|
| N | 252 | 539 | 788 |
| R2 | 0.616 | 0.252 | 0.339 |
| AIC | –139.67 | 418.94 | |
| t ratio | |||
| lag_yrs | 0.73 | –0.26 | 1.65 |
| loghpd_uc | 4.05 | 5.77 | 6.13 |
| <0.0001 | <0.0001 | <0.0001 | |
| loghpd_buf | 1.15 | –3.47 | –0.82 |
| 0.0006 | |||
| log_uc_dryarea | –3.89 | 0.94 | –3.79 |
| 0.0001 | 0.0002 | ||
| logpib | 1.71 | 1.32 | –0.57 |
| categ2[EPA] | 4.02 | 3.29 | 6.28 |
| <0.0001 | 0.0011 | <0.0001 | |
| categ2[AREI] | 0.35 | 0.55 | 0.33 |
| categ2[FOREST] | 1.07 | 2.45 | –0.79 |
| 0.0148 | |||
| categ2[PARK] | 0.25 | –2.98 | –2.92 |
| 0.003 | 0.0036 | ||
| categ2[REFUGE] | 0.22 | 2.53 | 3.93 |
| 0.0117 | <0.0001 | ||
| categ2[RESERVE] | –0.26 | –4.24 | –4.77 |
| <0.0001 | <0.0001 | ||
| categ2[NHPR] | –3.12 | –3.13 | –3.84 |
| 0.002 | 0.0018 | 0.0001 | |
| categ2[SUST] | |||
Notes.
a
AIC, Akaike Information Criterion; lag_yrs, time since conservation unit established (years); loghpd_uc, logarithm of human population density estimated within the conservation unit; loghpd_buf, logarithm of human population density estimated in area surrounding the conservation unit; log_uc_dryarea, logarithm of the dry area of the conservation unit; logpib, logarithm of the weighted mean GDP of the area covered by the conservation unit; Categ2[EPA, etc.], analysis categories for the conservation units.