
handle: 11336/106065
In Península Valdés (PV), the Reserva de Vida Silvestre San Pablo de Valdés is located within the area of the highest occurrence of lesser rheas (Rhea pennata pennata), constituting a key site for its conservation. The species is listed as threatened in Argentina and their natural populations are fragmented and declining. The monitoring of lesser rheas in the RSPV was started in 2010 in order to obtain basic data that allows knowing the activity of the species in the area and to estimate its abundance. The estimated total density in RSPV for the 2010-2014 monitoring period was 0.8 individuals/km2 (SE: 0.18), which represents the highest value of abundance for the species in PV. The presence of lesser rheas in the RSPV does not suggest a direct relationship with the availability of feeding resources and seems to be mainly influenced by a low impact of anthropogenic activities. This information reinforces the importance of developing continuous monitoring programs to know the condition of natural populations, identify the impacts of different activities, and establish the basis for a proper management for habitat protection to ensure their conservation.
Dentro del Área Natural Protegida Península Valdés la ubicación de la Reserva de Vida Silvestre San Pablo de Valdés (RVSSPV) coincide con las zonas de mayor presencia de choiques constituyendo, por lo tanto, un sitio clave para su conservación. La especie está catalogada como amenazada a nivel local y sus poblaciones naturales se encuentran fragmentadas y en disminución. La densidad estimada para la Reserva fue de 0.8 (+-0.18) individuos/Km2 lo cual representa el mayor valor de abundancia para la especie en Península Valdés. La presencia del choique en la RVSSPV no sugiere una relación directa con la disponibilidad forrajera y parece estar principalmente influenciada por un bajo impacto de actividades antropogénicas. Esta información refuerza la importancia del desarrollo de programas de monitoreo continuos para conocer el estado de las poblaciones naturales, identificar los impactos provocados por diversas actividades y establecer las bases de una gestión adecuada para la protección de los hábitats que garanticen su conservación.
Fil: Marino, Andrea Ivana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto Patagónico para el Estudio de los Ecosistemas Continentales; Argentina
Fil: Geremias Toscano, Nadia Belén. Universidad Nacional de la Patagonia. Facultad de Ciencias Naturales. Sede Puerto Madryn; Argentina
Fil: Fernández, Cynthia. Universidad de Vigo; España
DENSIDAD, PENÍNSULA VALDÉS, DISTRIBUTION, https://purl.org/becyt/ford/1.6, CONSERVATION, DISTRIBUCIÓN, RHEA PENNATA, ABUNDANCE, https://purl.org/becyt/ford/1, CONSERVACION
DENSIDAD, PENÍNSULA VALDÉS, DISTRIBUTION, https://purl.org/becyt/ford/1.6, CONSERVATION, DISTRIBUCIÓN, RHEA PENNATA, ABUNDANCE, https://purl.org/becyt/ford/1, CONSERVACION
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