Analysis of the population structure of the squirrel monkey, Saimiri oerstedii, in Panamá

Between June of 1998 and January of 1999 I determined 257 living troops of squirrel monkeys – Saimiri oerstedii, in the southwest of the Isthmus of Panama with a population of 4755 individuals within an occurrence area of 2613 km². I modeled the 257 geo–positioned troops position with a ”buffer area” function of ARC VIEW 3 software, resulting 23 hypothetical metapopulations containing 34 hypothetical subpopulations: Burica – with one big subpopulation, Renacimiento –five, Alanje – four, Boquerón –three and David –with a subpopulation. The remnant population were isolated troops. Only Burica and Renacimiento have more than 800 individuals (adults, subadults and young). The remnant hypothetical population structures have less than 500 adult individuals. The density population are the following: Burica –8,37 individuals/km², Renacimiento –4. 30, Guarumal –3,90, Gariché –3,58, Boquerón –3,46, Alanje –3,33, David –3,29, Concepción –3,18, Jacú –2,81 individuals/km² respectively. My theoretical analysis of the probable structure and dynamics I identified eighr hypothetical metapopulations in Panamá. I considered Burica metapopulation as a typical “continent” metapopulation; Renacimiento like “continent–island”; Alanje like “subcontinent–island”, Boquerón like “subcontinent–island”, David like “subcontinent”, Concepción like “island–island”; Gariché like ” island-island “, Jacú like “semi-island”, Guarumal like “island” and the isolated troops as “nonequilibrium metapopulation”. The development of this population model allows to emphasize and to prioritize efforts of conservation and management of the squirrel monkey in Panama.

 

Ver detalles en el siguiente archivo:

 

 Estructura poblacional de mono ardilla (en español)

 

Metapoblaciones de monos ardillas (Saimiri oerstedii) en Chiriquí, Panamá

 

 

 

Ariel R. Rodríguez V.

Centro de Estudios de Recursos Bióticos, Universidad de Panamá, Panamá

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