Data Zone
Year of most recent IBA criteria assessment: 2021
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
|---|---|---|---|---|---|
| Northern Bobwhite Colinus virginianus | NT | resident | 2020 | 48 individuals | B1a |
| American White Pelican Pelecanus erythrorhynchos | LC | winter | 2018 | 1,685 individuals | B3a |
| Eastern Meadowlark Sturnella magna | NT | resident | 2017 | 170 individuals | B1a |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
| Most recent IBA monitoring assessment | |||
|---|---|---|---|
| Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
| 2022 | high | favourable | medium |
| Was the whole site covered? | Yes | State assessed by | Habitat |
| Accuracy of information | good | ||
| Threats to the site (pressure) | |||||
|---|---|---|---|---|---|
| Threat Level 1 | Threat Level 2 | Timing | Scope | Severity | Result |
| Agricultural expansion and intensification | livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
| Agricultural expansion and intensification | livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
| Biological resource use | fishing & harvesting aquatic resources - intentional use: subsistence/sml scale | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
| Energy production and mining | renewable energy | likely in long term (beyond 4 years) | small area/few individuals (<10%) | slow but significant deterioration | low |
| Natural system modifications | dams & water management/use - small dams | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
| Natural system modifications | fire & fire suppression - increase in fire frequency/intensity | happening now | some of area/population (10-49%) | moderate to rapid deterioration | high |
| Residential and commercial development | tourism and recreation areas | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
| Condition of habitat (state) | ||||||
|---|---|---|---|---|---|---|
| Habitat | Habitat Detail | Reference Area (ha) | Actual Area (ha) | % of habitat remaining | % of carrying capacity (overall) | Result |
| Forest | Mangrove | 0 | 0 | good (> 90%) | good (> 90%) | favourable |
| Conservation actions taken at site (response) | |||
|---|---|---|---|
| Conservation Designation | Management Planning | Conservation Action | Result |
| Some of site covered (10-49%) | A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species | The conservation measures needed for the site are being comprehensively and effectively implemented | medium |
| Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
|---|---|---|---|---|
| Sistema Lagunar Alvarado | Ramsar Site, Wetland of International Importance | 267,010 | protected area overlaps with site | 183,538 |
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Mangrove | - |
| Land-use | Extent (% of site) |
|---|---|
| urban/industrial/transport | - |
| forestry | - |
| agriculture | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Humedales de Alvarado. Downloaded from
http://www.birdlife.org on 01/04/2023.
