Uso de espacios naturales y antropizados por el pecarí de collar (Dicotyles tajacu) en la estación biológica La Selva, Costa Rica

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Marco Herminio Osorto-Nuñez
Luis Diego Alfaro Alvarado

Resumen

El objetivo de esta investigación fue analizar el uso de espacios naturales y antropizados por el pecarí de collar (Dicotyles tajacu) en la Estación Biológica La Selva (EBLS), Costa Rica. Se registraron grupos e individuos de pecaríes mediante observaciones directas e indirectas, contando un total 170 individuos adultos y 30 crías (media = 3.62, DS = 4.04). El uso del espacio a nivel de sitio difirió del uso esperado (p < 0.000, X2 observado = 134.14, X2 acumulado = 22.36). La prueba de bondad de ajuste de chi-cuadrado mostró una fuerte evidencia de que no existe un uso proporcional con el área de las categorías (X2 = 832.30, df = 10, n = 76, P > 0.0001). Los intervalos de confianza de Bonferroni (IC 95%) evidenciaron mayor proporción de uso observado con respecto al esperado para las categorías agroforestería abandonada y área con infraestructura. Estas áreas son manejadas por la administración de la EBLS y existen árboles frutales, huertos, construcciones y mayor intensidad de uso público, por lo que para los pecaríes representan zonas de alimentación, refugio y descanso.

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