Geoffroy's cats at the northern limit of their range: activity patterns and density estimates from camera trapping in Bolivian dry forests

IF 0.8 4区 生物学 Q3 ZOOLOGY Studies on Neotropical Fauna and Environment Pub Date : 2006-12-01 DOI:10.1080/01650520600840001
E. Cuéllar, L. Maffei, R. Arispe, A. Noss
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引用次数: 68

Abstract

We used camera traps to survey Geoffroy's cats, Oncifelis geoffroyi, at six dry forest sites in Bolivia. Cumulative activity patterns across all sites are principally nocturnal though the species is active by day in both summer and winter. At two sites the number of captures and recaptures was sufficient to estimate abundance using the software Capture, and in turn a population density of 9–40 per 100 km2 for the two sites. Geoffroy's cats are present in all dry forest types surveyed: Chaco savannas, Chaco dry forest, Chaco transitional forest, Chaco‐Chiquitano transitional forest, Chaco‐Cerrado transitional forest and Chiquitano dry forest. They are most abundant at the driest site, the only one with grassland formations and where ocelots are absent. Camera trapping records tend to be more numerous in the dry season, suggesting seasonal changes in behavior and habitat use. Resumen Empleamos trampas‐cámara para muestrear Oncifelis geoffroyi en seis sitios ubicados en bosques secos de Bolivia. El patrón de actividad en todos los sitios es principalmente nocturno, pero la especie puede estar activa de día en verano como en invierno. En dos sitios tuvimos suficiente capturas y recapturas para estimar abundancia usando el programa Capture, y luego una densidad poblacional de 9–40/100 km2 para los dos sitios. Oncifelis geoffroyi está presente en todas los tipos de bosques secos muestreados: sabanas chaqueñas, bosque seco chaqueño, bosque transicional chaqueño, bosque transicional Chaco‐Chiquitano, bosque transitional Chaco‐Cerrado, y bosque seco Chiquitano. Es más abundante en el sitio con menor precipitación, el único sitio con formaciones de pampas y donde es ausente Leopardus pardalis. Se tiene más registros con trampas‐cámara en la época seca, sugiriendo cambios estacionales en comportamiento y uso de hábitat.
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在其活动范围的北部极限的Geoffroy的猫:活动模式和密度估计从相机捕获在玻利维亚干燥森林
我们用相机陷阱在玻利维亚的六个干燥的森林地点调查Geoffroy的猫Oncifelis geoffroyi。所有地点的累积活动模式主要是夜间活动,尽管该物种在夏季和冬季都在白天活动。在两个地点,捕获和再捕获的数量足以使用软件Capture估计丰度,而这两个地点的人口密度为每100平方公里9-40只。Geoffroy的猫出现在所有被调查的干林类型中:查科稀树草原、查科干林、查科过渡林、查科-奇基塔诺过渡林、查科-塞拉多过渡林和奇基塔诺干林。它们在最干燥的地方最为丰富,这是唯一一个有草原的地方,也是没有豹猫的地方。相机捕捉记录往往在旱季更多,表明行为和栖息地利用的季节性变化。resume Empleamos trampas‐cámara para muestrear Oncifelis geoffroyi en seis sitos ubicados en boqueses de Bolivia。El patrón de actividad en todos losites principalmente nocturno, pero la especede estar activa de día en verano como en inverno。在dos sitios tuvimos suficiente capturas y recapturas对位estimar abundancia usando el下捕获您的una densidad poblacional de 9-40/100平方公里帕洛dos sitios。Oncifelis geoffroyi est在今天的会议上介绍了boqueses secos muestreados: sabanas chaqueñas, boqueseco chaqueño, boquetransiconal chaqueño, boquetransiconal Chaco - Chiquitano, boquetransitional Chaco - Cerrado, y boqueseco Chiquitano。他的más丰富了我们的处境precipitación,他的único处境con formaciones de pampas y donde Es ausente Leopardus pardalis。请参见más registros contrampas‐cámara en la sampoca seca, sugiriendo cambios estacionales en comcomicomcomia通过uso de hábitat。
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来源期刊
CiteScore
2.20
自引率
11.10%
发文量
29
审稿时长
>12 weeks
期刊介绍: There is still a far from complete understanding of the complex ecosystems in the Neotropics, although they have been studied since the first expeditions of the old world naturalists Marcgrave, Humboldt, Spix, Darwin, Bates and Müller. The aims and scope of the Journal are, besides taxonomic and zoogeographic surveys, analyses of animal communities and their relationship with biotic and abiotic environmental conditions. This includes the fauna of both terrestrial and fresh water ecosystems in the Neotropics. Contributions that represent original research and mini-reviews are welcome. Manuscripts presenting just checklists and new geographic records are not considered for publication. If manuscripts do not meet the requirements of the journal, the editors reserve the right to reject manuscripts on submission or to ask for revisions prior to formal peer review.
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