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Applied_Systematics_Ex

Applied_Systematics_Ex - What is Biodiversity A Comparison...

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What is Biodiversity? A Comparison of Spider Communities Exercise James P. Gibbs SUNY-ESF, Syracuse, New York, 13210, USA Ian J. Harrison & Jennifer Griffiths Center for Biodiversity and Conservation, American Museum of Natural History, New York 10024, USA Reproduction of this material is authorized by the recipient institution for non-profit/non- commercial educational use and distribution to students enrolled in course work at the institution. Distribution may be made by photocopying or via the institution's intranet restricted to enrolled students. Recipient agrees not to make commercial use, such as, without limitation, in publications distributed by a commercial publisher, without the prior express written consent of AMNH. All reproduction or distribution must provide full citation of the original work and provide a copyright notice as follows: “Copyright 2006, by the authors of the material, with license for use granted to the Center for Biodiversity and Conservation of the American Museum of Natural History. All rights reserved.” This material is based on work supported by the National Science Foundation under the Course, Curriculum and Laboratory Improvement program (NSF 0127506), and the United States Fish and Wildlife Service (Grant Agreement No. 98210-1-G017). Any opinions, findings and conclusions, or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the American Museum of Natural History, the National Science Foundation, or the United States Fish and Wildlife Service. 1
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What is Biodiversity? A Comparison of Spider Communities Exercise James P. Gibbs, Ian J. Harrison & Jennifer Griffiths O BJECTIVES To explore through classification of life forms the concept of biological diversity as it occurs at various taxonomic levels. P ROCEDURES Spiders are a highly species rich group of invertebrates that exploit a wide variety of niches in virtually all the earth’s biomes. Some species of spiders build elaborate webs that passively trap their prey whereas others are active predators that ambush or pursue their prey. Spiders represent useful indicators of environmental change and community level diversity because they are taxonomically diverse, with species inhabiting a variety of ecological niches, and they are easy to catch. This exercise focuses on classifying and analyzing spider communities to explore the concept of biological diversity and experience its application to decision-making in biological conservation. The exercise can be undertaken in three parts, depending on your interest level. L EVEL (1) You will gain experience in classifying organisms by sorting a hypothetical collection of spiders from a forest patch and determining if the spider collection accurately represents the overall diversity of spiders present in the forest patch.
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