2010
DOI: 10.1111/j.1365-2028.2009.01189.x
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Home range, core areas and movement in the ‘critically endangered’ kipunji (Rungwecebus kipunji) in southwest Tanzania

Abstract: Understanding how threatened forest primates use a heterogeneous landscape is essential to ensuring their survival. Kipunji (Rungwecebus kipunji) are ‘critically endangered’, arboreal monkeys restricted to two sites in Tanzania. Over 90% of the population lives in the degraded Rungwe‐Kitulo forests of the Southern Highlands. In this study, we present the first comprehensive investigation into daily path length and home range size of kipunji, based on data from four groups followed simultaneously over 70 consec… Show more

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Cited by 11 publications
(7 citation statements)
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“…Barton et al., ; Ganas & Robbins, ] and habitat use [e.g. Izumiyama et al., ; Riley, ; Takasaki, ] are associated with extensive variation in ranging patterns across the primate order [Chapman & Chapman, ; Clutton‐Brock & Harvey, ; De Luca et al., ; Mitani & Rodman, ]. As primate group sizes increase, so intragroup feeding competition increases [Isbell, ; Isbell & Young, ; Wrangham et al., ], forcing larger groups to cover larger areas as the individual group members strive to obtain enough food [Chapman et al., ; Janson & Goldsmith, ; Milton, ].…”
Section: Introductionmentioning
confidence: 99%
“…Barton et al., ; Ganas & Robbins, ] and habitat use [e.g. Izumiyama et al., ; Riley, ; Takasaki, ] are associated with extensive variation in ranging patterns across the primate order [Chapman & Chapman, ; Clutton‐Brock & Harvey, ; De Luca et al., ; Mitani & Rodman, ]. As primate group sizes increase, so intragroup feeding competition increases [Isbell, ; Isbell & Young, ; Wrangham et al., ], forcing larger groups to cover larger areas as the individual group members strive to obtain enough food [Chapman et al., ; Janson & Goldsmith, ; Milton, ].…”
Section: Introductionmentioning
confidence: 99%
“…Once located, groups were tracked on foot and observed from underneath the tree occupied by the majority of the group, with geographic waypoints, elevation, and fix error logged every 15 min using a hand‐held GPS (Garmin GPSMap 60CSx). This sampling frequency balanced the speed of gibbon movement through steep terrain with desired data resolution, and is appropriate for canopy‐dwelling primates (De Luca, Picton Phillipps, Machaga, & Davenport, ). Simple behavioral observations also were recorded.…”
Section: Methodsmentioning
confidence: 99%
“…Data on diet and feeding were collected by direct observation every day from 0700 to 1800 h. Each food type and plant species observed being consumed each day were recorded, thereby a daily annotated foodplant list was produced. In all three studies, groups were considered independent, as all neighbouring groups were followed simultaneously by different teams, and the georeferenced locality data were verified for spatial independence later De Luca et al 2009). Each time an animal was observed eating, the food item was identified and recorded.…”
Section: Methodsmentioning
confidence: 99%
“…Owing to the kipunji's cryptic nature and its canopy living in steep, densely forested mountainsides, obtaining reliable data on the ecology of this recently discovered species has been time consuming. However, long-term studies are now generating valuable data and revealing much about the ecology and behaviour of kipunji (Davenport 2009;De Luca et al 2009). …”
Section: Introductionmentioning
confidence: 99%