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Species-Area Relationships

By Lou Gross1, Monica Beals1, Susan Harrell1

University of Tennessee Knoxville

This module introduces species-area curves in the context of understanding spatial diversity patterns. It is intended for an introductory biology audience.

Listed in Teaching Materials | resource by group Quantitative Biology at Community Colleges

Version 1.0 - published on 15 Feb 2019 doi:10.25334/Q48B21 - cite this

Licensed under CC Attribution-ShareAlike 4.0 International according to these terms

spec_area1.gif spec_area2.gif

Description

This activity maps to the OpenStax biology textbook, 47.1 The Biodiversity Crisis

Student Introduction: The relationship between island area and the number of species is well known: larger islands contain more species than smaller islands. "Islands" can be used to refer not only to pieces of land surrounded by water but to habitat islands as well (lakes, forest fragments, etc.). Although the relationship is clearly demonstrated by many taxa, the causes of the relationship are less clear. This is possibly the most general pattern found in ecology, and many explanations have been proposed.

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