Table 1. Protected areas of Costa Rica classified by IUCN categories, its corresponding national category, number of areas in each category and area covered for effectiveness assessment for mammal conservation.
| IUCN Category | Costa Rica Category | Abb. | Number of areas | Area (km2) |
|---|---|---|---|---|
| I | Biological Reserves | BR | 8 | 216.0 |
| II | Absolute Natural Reserve | ANR | 1 | 13.0 |
| National Park | NP | 32 | 6274.8 | |
| IV | Wildlife Refuges | WR | 90 | 2338.7 |
| National Wetland | NT | 21 | 302.0 | |
| VI | Forestry Reserve | FR | 11 | 2166.2 |
| Protected Zone | PZ | 35 | 1575.0 |