Loading...
Please wait, while we are loading the content...
Similar Documents
La abundancia de aves acuáticas (anseriformes) en relación con la complejidad del paisaje en un sitio RAMSAR del norte de México
| Content Provider | Semantic Scholar |
|---|---|
| Author | Cruz, José Elías Chacón De La García, Marín Pompa Garza, Eduardo Javier Treviño Guerrero, José Hugo Martínez Salado, Carlos Arturo Aguirre Solís, Martín Emilio Pereda |
| Copyright Year | 2017 |
| Abstract | The response of waterfowl (Anseriformes) populations to the landscape structure was evaluated in a Ramsar site in the state of Durango, Mexico. Water bodies present during the winter were delimited using the calculation of the normalized differential vegetation index (NDVI) in LANDSAT images, covering a period of 35 years (1979 – 2014). The study area was categorized into aquatic and terrestrial environments. Indices of fragmentation were calculated as descriptors of landscape complexity, represented by the abundance and distribution of the water bodies. Waterfowl populational information was obtained from winter counts conducted between 1979 and 2014 by the U.S. Fish and Wildlife Service (USFWS) and by the Mexican Ministry of Environment and Natural Resources (SEMARNAT, by its Spanish acronym). The area occupied by the water bodies presented a marked oscillation of 4,000 to 29,000 ha. The shape, area and isolation of the wetland landscape were the most important factors for the waterfowl. The shape complexity had a positive effect on the presences of birds, while large areas reduced the waterfowl population size. The results suggest that, for anseriformes, this region could be more attractive when water bodies develop complex shapes, the isolation increases and size is reduced. These findings present an opportunity for water management, in order to restore the site and to conserve wildlife species. |
| Starting Page | 199 |
| Ending Page | 210 |
| Page Count | 12 |
| File Format | PDF HTM / HTML |
| DOI | 10.21829/azm.2017.3321061 |
| Alternate Webpage(s) | http://azm.ojs.inecol.mx/index.php/azm/article/download/1061/1232 |
| Alternate Webpage(s) | https://doi.org/10.21829/azm.2017.3321061 |
| Volume Number | 33 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
