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Controlling factors of community str...

Estrada Villegas, Sergio.

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Controlling factors of community structure: The case of neotropical aerial insectivorous bats.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Controlling factors of community structure: The case of neotropical aerial insectivorous bats./
Author:	Estrada Villegas, Sergio.
Description:	106 p.
Notes:	Source: Masters Abstracts International, Volume: 49-05, page: 3039.
Contained By:	Masters Abstracts International49-05.
Subject:	Biology, Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR72747
ISBN:	9780494727478

Controlling factors of community structure: The case of neotropical aerial insectivorous bats.
Estrada Villegas, Sergio.

Controlling factors of community structure: The case of neotropical aerial insectivorous bats. - 106 p.

Source: Masters Abstracts International, Volume: 49-05, page: 3039.

Thesis (M.Sc.)--McGill University (Canada), 2010.

In order to understand how communities are structured, it is necessary to determine which and how different factors control community properties across scales and how these community properties are related to one another. Working with neotropical insectivorous bat ensembles in Panama, we measured the effects of climate, habitat structure and insect resources at multiple scales on various community properties: composition, species richness abundance and feeding attempts. We then assessed how abundance, richness and biomass affected community evenness. We found that variation in species composition and richness are better explained by climate at larger scales and by habitat structure at smaller scales, respectively, but that total abundance is unrelated to climate. Evenness was directly and negatively correlated with species richness and biomass but indirectly and negatively correlated with abundance. Detecting how controlling factors affect community properties across scales and how community properties are interrelated can provide a better understanding of community structure.

ISBN: 9780494727478Subjects--Topical Terms:

1017726
Biology, Ecology.

Controlling factors of community structure: The case of neotropical aerial insectivorous bats.
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100 1 $a Estrada Villegas, Sergio. $3 1682194
245 1 0 $a Controlling factors of community structure: The case of neotropical aerial insectivorous bats.
300 $a 106 p.
500 $a Source: Masters Abstracts International, Volume: 49-05, page: 3039.
502 $a Thesis (M.Sc.)--McGill University (Canada), 2010.
520 $a In order to understand how communities are structured, it is necessary to determine which and how different factors control community properties across scales and how these community properties are related to one another. Working with neotropical insectivorous bat ensembles in Panama, we measured the effects of climate, habitat structure and insect resources at multiple scales on various community properties: composition, species richness abundance and feeding attempts. We then assessed how abundance, richness and biomass affected community evenness. We found that variation in species composition and richness are better explained by climate at larger scales and by habitat structure at smaller scales, respectively, but that total abundance is unrelated to climate. Evenness was directly and negatively correlated with species richness and biomass but indirectly and negatively correlated with abundance. Detecting how controlling factors affect community properties across scales and how community properties are interrelated can provide a better understanding of community structure.
590 $a School code: 0781.
650 4 $a Biology, Ecology. $3 1017726
650 4 $a Biology, Entomology. $3 1018619
690 $a 0329
690 $a 0353
710 2 $a McGill University (Canada). $3 1018122
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791 $a M.Sc.
792 $a 2010
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