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Ecological Niches and Geographic Distributions (MPB-49)$
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A. Townsend Peterson, Jorge Soberón, Richard G. Pearson, Robert P. Anderson, Enrique Martínez-Meyer, Miguel Nakamura, and Miguel B. Araújo

Print publication date: 2011

Print ISBN-13: 9780691136868

Published to Princeton Scholarship Online: October 2017

DOI: 10.23943/princeton/9780691136868.001.0001

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Niches and Geographic Distributions

Niches and Geographic Distributions

Chapter:
(p.23) Chapter Three Niches and Geographic Distributions
Source:
Ecological Niches and Geographic Distributions (MPB-49)
Author(s):

A. Townsend Peterson

Jorge Soberón

Richard G. Pearson

Robert P. Anderson

Enrique Martínez-Meyer

Miguel Nakamura

Miguel Bastos Araújo

Publisher:
Princeton University Press
DOI:10.23943/princeton/9780691136868.003.0003

This chapter considers a concept of niche that emphasizes multidimensional spaces of scenopoetic variables and provides a natural connection to the study of geographic distributions of species. It first explains the relations between environmental and geographic spaces before discussing the use of equations to link spatially explicit population growth patterns to variation in the ecological characteristics of species. It then describes the BAM diagram, a Venn diagram that displays the joint fulfillment in geographic space of three sets of conditions that together determine species distribution: biotic conditions, abiotic conditions, and movement of the species. The chapter also explores the spatial resolution of scenopoetic variables, estimation of the fundamental and existing fundamental niches, the biotically reduced niche, and caveats about reducing Grinnellian niches and the Eltonian Noise Hypothesis. Finally, it shows how distributional areas and ecological niches can be estimated.

Keywords:   niche, scenopoetic variables, geographic distribution, environmental space, geographic space, BAM diagram, species distribution, biotically reduced niche, Grinnellian niche, ecological niche

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