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首页> 外文期刊>American journal of primatology >Activity Budget, Diet, and Habitat Use in the Critically Endangered Ka'apor Capuchin Monkey (Cebus kaapori) in Pará State, Brazil: A Preliminary Comparison to Other Capuchin Monkeys
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Activity Budget, Diet, and Habitat Use in the Critically Endangered Ka'apor Capuchin Monkey (Cebus kaapori) in Pará State, Brazil: A Preliminary Comparison to Other Capuchin Monkeys

机译：巴西帕拉州极度濒危的Ka'apor卷尾猴（Cebus kaapori）的活动预算，饮食和栖息地使用：与其他卷尾猴的初步比较

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摘要

The Ka'apor capuchin, Cebus kaapori, is perhaps the most endangered primate of the Brazilian Amazon. Endemic to a region with extreme intensification of habitat-degrading activities, it survives in remnant populations in a completely fragmented landscape. Before now, the only data available were isolated observations of feeding, locality records, and information on population densities and group size obtained during census. Here we present the first data on the activity budget, diet, and daily path length of the species, and compare our preliminary results with those for other capuchin monkeys. A group of nine Ka'apor capuchins was monitored over a period of four months during the dry season in the Goianésia do Pará municipality, Pará, Brazil. We used instantaneous scan sampling (n=4,647 scans) to construct an activity budget for the monkeys, and we identified the plants in their diet to species level(n=41 plant taxa), allowing us to compare dietary overlap with other gracile capuchin species, as well as with the robust capuchin (Sapajus spp.), a potential competitor present throughout the range of the Ka'apor capuchin. Like other species of gracile capuchins, C. kaapori was highly frugivorous, with the vast majority of the feeding records of arils and fruit pulp (74%), supplemented by arthropods (13%) and seeds (10%), although diet composition was highly variable across months. The group used a total area of 62.4 ha during the study period, and average daily path length was 2,173m (±400 m), with the entire home range utilized in every month of the study.We found significant overlap in the diet of the Ka'apor capuchin and Sapajus, highlighting the urgency to increase knowledge of the ecological needs of C. kaapori and understand synergistic effects of sympatry with competitive species, increasing forest fragmentation, and widespread human impact on C. kaapori sustainability.
机译：Ka'apor卷尾猴Cebus kaapori可能是巴西亚马逊河中最濒危的灵长类动物。它是栖息地退化活动加剧的地方性地方性物种，它在残存的人口中生存，完全处于零散的景观中。在此之前，唯一可用的数据是对进食的单独观察，位置记录以及在普查期间获得的有关人口密度和群体规模的信息。在这里，我们提供了有关该物种活动预算，饮食和每日路径长度的第一份数据，并将我们的初步结果与其他卷尾猴的初步结果进行了比较。在巴西帕拉的GoianésiadoPará市，在旱季期间，在四个月的时间内对一组九个Ka'apor卷尾猴进行了监测。我们使用瞬时扫描采样（n = 4,647次扫描）来构建猴子的活动预算，并且我们确定了它们饮食中的植物达到物种水平（n = 41种植物分类单元），从而使我们能够将饮食上的重叠与其他可食用的卷尾猴物种进行比较以及健壮的卷尾猴（Sapajus spp。），在整个Ka'apor卷尾猴中都有潜在的竞争对手。像其他种类的角鳞卷尾猴一样，C。kaapori的节食能力很高，其假种皮和果肉的饲喂记录绝大多数（74％），节肢动物（13％）和种子（10％）为辅，尽管饮食组成跨月变化很大。该小组在研究期间总共使用了62.4公顷的土地，平均每日路径长度为2,173m（±400 m），研究的每个月都使用了整个家庭范围。 Ka'apor卷尾猴和Sapajus，突出显示了迫切需要增加对C. kaapori生态需求的了解，并了解共生与竞争性物种的协同效应，森林碎片化以及人类对C. kaapori可持续发展的广泛影响。

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