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| Titel: |
Abundance and local range of broad-snouted caiman (Caiman latirostris, Alligatoridae) in the northwest of Santa Catarina Island |
| Auteur: |
Roberto Fusco-Costa Tânia Tarabini Castellani Walfrido Moraes Tomás |
| Verschenen in: |
Biotemas |
| Paginering: | Jaargang 21 (2008) nr. 4 pagina's 183-187 |
| Jaar: |
2008 |
| Inhoud: |
This is the first report on the distribution and relative abundance of the broad-snouted caiman on Santa Catarina Island. The study estimated the relative abundance of caiman along the rivers at Estação Ecológica de Carijós, in addition to evaluating the occurrence of this species in the entire area of the Ratones River plain on the northwestern portion of the island. The mean relative abundance obtained by nocturnal counts was 0.25 (±0.07) caiman/km surveyed. There was a weak correlation between the number of caimans and the air temperature. Based on interviews with the local community and nocturnal surveys of caimans in rivers and reservoirs surrounding the protected area, we concluded that the range occupied by caimans covered the entire area of the Ratones river plain, inhabiting natural habitats (rivers, mangroves, swamps) as well as artificial habitats (reservoirs and water channels). Although this study provides basic information about the broad-snouted caiman population on this part of the island, it is aimed mainly at providing guidance for future research. |
| Uitgever: |
Universidade Federal de Santa Catarina |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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