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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Diversity and Resource Partitioning in Three Assemblages of Leaf-Nosed Bats (Phyllostomidae: Chiroptera)

Diversity and Resource Partitioning in Three Assemblages of Leaf-Nosed Bats (Phyllostomidae: Chiroptera)

Rex, Katja

Paperback

Technology & EngineeringBiology

Currently unavailable to order

ISBN10: 3832518037
ISBN13: 9783832518035
Publisher: Logos Verlag Berlin
Published: Dec 31 2007
Pages: 120
Weight: 0.40
Height: 0.41 Width: 5.61 Depth: 8.01
Language: English
Why are there so many species in tropical rainforests? How can so many species
coexist at one site? Is there interspecific competition?

Neotropical leaf-nosed bats (Phyllostomidae) form assemblages with higher species
richness than any other mammalian family. This book gives an insight into diversity,
assemblage structure, interspecific competition and resource partitioning of both
food and foraging space in three leaf-nosed bat assemblages with different species
richness. First, a validation of species richness estimation methods is presented
revealing the most species rich bat assemblage reported in literature. Furthermore,
evidence is produced showing that large scale floral patterns
may influence species composition of phyllostomid bat assemblages. Resource
partitioning among species appears to occur evenly throughout the entire assemblage,
thus interspecific competition is not restricted to groups such as dietary ensembles
(guilds). Vertical stratification of species is studied using stable carbon isotopes
and the results indicate that species share foraging space evenly along the vertical
axis of the forest. Dietary analyses based on fecal samples and
nitrogen isotopes indicate that leaf-nosed bats are opportunistic omnivores, able to
adjust their diet to local and seasonal differences in food availability. This
dietary flexibility is likely to be a key factor in maintaining the extraordinarily
high local diversity in phyllostomid bat assemblages.

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