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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Competition and community structure in diurnal arboreal geckos (genus Phelsuma) in the Indian Ocean
Oikos, Volume 116, No. 11, Year 2007
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Description
In this study, we investigate community structure in day geckos (genus Phelsuma) in the Indian Ocean. Much of what we know about communities of diurnal arboreal lizards comes from studies of Caribbean Anolis. Phelsuma in the Indian Ocean are ecologically similar to Anolis but not closely related. Using field observations and an experiment, we test three hypotheses for Phelsuma communities, all derived from work on Anolis: (1) Phelsuma species richness will be correlated with the diversity of available perches, (2) sympatric species will partition their habitat use, shifting their habitat use depending on which other species of Phelsuma are present, and (3) experimentally removing individuals of one species will lead to changes in the microhabitat use and/or abundance of sympatric congeners. We find support for all three hypotheses. We also describe some unique aspects of Phelsuma communities, such as partitioning of palm vs. non-palm trees. This study identifies some potentially general features of diurnal arboreal lizard communities, and suggests that some aspects of community assembly might be repeatable. © Oikos.
Authors & Co-Authors
Harmon, Luke J.
United States, St. Louis
Washington University in St. Louis
United States, Moscow
University of Idaho
Harmon, Lisa L.
United States, St. Louis
Washington University in St. Louis
Jones, Carl G.
Mauritius, Vacoas
Mauritian Wildlife Foundation
Statistics
Citations: 49
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1111/j.0030-1299.2007.15958.x
ISSN:
00301299
e-ISSN:
16000706
Study Approach
Quantitative