2012
DOI: 10.1007/s10905-012-9364-2
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Patterns of Niche Partitioning and Alternative Reproductive Strategies in an East African Dung Beetle Assemblage

Abstract: Sympatric species of coprophagus dung beetles rely on essentially the same resource for provisioning broods, which raises the question of how local species diversity is maintained. Interspecific competition may be mitigated to some extent by large-scale spatial (e.g., habitat type) and temporal (e.g., seasonal) variation in activity. Niche partitioning also occurs at the scale of individual dung pads. We examined the extent to which inter-and intraspecific variation in adult morphology and behavior contribute … Show more

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Cited by 22 publications
(14 citation statements)
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“…Temporal patterns of colonization of such habitats have been studied almost exclusively in insect representatives of Arthropods (all occupancy patterns). The temporal segregation among insects, at all three levels, is traditionally considered to be associated with niche differentiation due to instability and the limited mass of their primary resource [28, 29]. However, there is evidence for potential habitat filtering: for succession, for example mediated through dung moisture tolerance [30], and on the seasonal scale, for example mediated through temperature [31, 32] or drought tolerance [33].…”
Section: Introductionmentioning
confidence: 99%
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“…Temporal patterns of colonization of such habitats have been studied almost exclusively in insect representatives of Arthropods (all occupancy patterns). The temporal segregation among insects, at all three levels, is traditionally considered to be associated with niche differentiation due to instability and the limited mass of their primary resource [28, 29]. However, there is evidence for potential habitat filtering: for succession, for example mediated through dung moisture tolerance [30], and on the seasonal scale, for example mediated through temperature [31, 32] or drought tolerance [33].…”
Section: Introductionmentioning
confidence: 99%
“…24, 37] and sub-tropical and tropical regions [e.g. 28, 38]. However, in contrast to beetles, fly temporal patterns have been studied quantitatively only infrequently [39, 40] and in a rather qualitative manner only [41, 42].…”
Section: Introductionmentioning
confidence: 99%
“…When compared to data on dung beetle presence on scats during PDR sessions, six of the 11 taxa (from four genera) identified were recorded on scats visited in both the wet and dry seasons (Table ), with Diastellopalpus gilleti occurring most frequently (42% of scats); 82% of these scats from the wetter period ( N = 23 of 28 scats). This dung beetle was recorded for Uganda only recently (Chao et al., ). Of the six taxa identified during visits to scats, all but Oniticellus pseudoplanatus were recorded within the first 3 hr on 45 scats; this beetle was also found on scats in the wet season only (Table , Figure ).…”
Section: Resultsmentioning
confidence: 94%
“…Eleven taxa of dung beetle from six genera were identified by DM from the 21 beetles collected (Figure ). All have been recorded in primate scats (Chao, Simon‐Freeman, & Grether, ) and in both primary and disturbed forested regions in Kibale National Park (Nummelin & Hanski, ). These were further categorized into the following guilds: rollers ( N = 4, roll balls of faecal matter and transport to nest to create brood chamber), tunnellers ( N = 6, drag faecal matter under the scat into nest) or endocoprids ( N = 1, makes a brood chamber within the scat).…”
Section: Resultsmentioning
confidence: 99%
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