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Propagule dispersal and the spatial dynamics of populations and communities

Roger Cousens, Calvin Dytham, and Richard Law

in Dispersal in Plants: A Population Perspective

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199299126
eISBN:
9780191715006
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199299126.003.0007
Subject:
Biology, Ecology, Plant Sciences and Forestry

This chapter considers the signal of local dispersal which sits inside maps of the locations of individuals, and introduces spatial statistics as measures of spatial structure. It shows how dispersal ... More


Spatial structure

Russell Lande, Steinar Engen, and Bernt-Erik SÆther

in Stochastic Population Dynamics in Ecology and Conservation

Published in print:
2003
Published Online:
April 2010
ISBN:
9780198525257
eISBN:
9780191584930
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198525257.003.0004
Subject:
Biology, Ecology

This chapter reviews models of spatially subdivided populations with explicit stochastic dynamics of local populations. It considers metapopulation models for territorial and nonterritorial species. ... More


Metapopulations and their spatial dynamics

Sean Nee

in Theoretical Ecology: Principles and Applications

Published in print:
2007
Published Online:
November 2020
ISBN:
9780199209989
eISBN:
9780191917370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199209989.003.0007
Subject:
Environmental Science, Applied Ecology

The study of metapopulation dynamics has had a profound impact on our understanding of how species relate to their habitats. A natural, if naïve, set of assumptions ... More


Evolutionary ecology of dispersal in fragmented landscape

Michel Baguette, Delphine Legrand, Hélène Fréville, Hans Van Dyck, and Simon Ducatez

in Dispersal Ecology and Evolution

Published in print:
2012
Published Online:
December 2013
ISBN:
9780199608898
eISBN:
9780191774560
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199608898.003.0030
Subject:
Biology, Ecology, Evolutionary Biology / Genetics

This chapter shows that direct habitat loss is recognized as the main cause of species extinction, and how habitat fragmentation is an inherent consequence of habitat loss. This causal relationship ... More


Introduction

Carlos M. Herrera

in Multiplicity in Unity: Plant Subindividual Variation and Interactions with Animals

Published in print:
2009
Published Online:
February 2013
ISBN:
9780226327938
eISBN:
9780226327952
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226327952.003.0001
Subject:
Biology, Evolutionary Biology / Genetics

The paleontological and phylogenetic evidence have shown that the main features ultimately responsible for plant modularity were already present at a very early stage in the evolution of land plants, ... More


Conservation of Deserts

David Ward

in The Biology of Deserts

Published in print:
2016
Published Online:
October 2016
ISBN:
9780198732754
eISBN:
9780191796982
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198732754.003.0011
Subject:
Biology, Ecology

Conservation of deserts can be carried out using many different approaches, including the conservation of individual desert species versus a habitat-level approach, reintroductions and ... More


Spatial Processes

Michael J. Fogarty and Jeremy S. Collie

in Fishery Ecosystem Dynamics

Published in print:
2020
Published Online:
September 2020
ISBN:
9780198768937
eISBN:
9780191822209
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198768937.003.0007
Subject:
Biology, Aquatic Biology, Ecology

Aquatic populations are patchily distributed. The full implications of this statement for the dynamics of these populations depend very strongly on movement and dispersal patterns. The ... More


Habitat change: loss, fragmentation, and degradation

Mitchell Irwin

in An Introduction to Primate Conservation

Published in print:
2016
Published Online:
August 2016
ISBN:
9780198703389
eISBN:
9780191824067
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198703389.003.0007
Subject:
Biology, Biodiversity / Conservation Biology

In this chapter, habitat change is broken down into three components: habitat loss, habitat fragmentation, and habitat degradation. For each, the nature and extent of the pressure is described, ... More


The desert as a heterogeneous environment

Ahmad Hegazy and Jonathan Lovett-Doust

in Plant Ecology in the Middle East

Published in print:
2016
Published Online:
March 2016
ISBN:
9780199660810
eISBN:
9780191820687
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199660810.003.0004
Subject:
Biology, Plant Sciences and Forestry, Ecology

This chapter develops the concept of “desert” beyond the simple perception of endless sand dunes to describe an extensive heterogeneous dryland habitat. Vegetation types are discussed and specialized ... More


8 Unified Framework I: Interspecific Interactions and Species Diversity in Drylands

Gary A. Polis and Robert D. Holt

in Biodiversity in Drylands: Toward a Unified Framework

Published in print:
2005
Published Online:
November 2020
ISBN:
9780195139853
eISBN:
9780197561720
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195139853.003.0013
Subject:
Earth Sciences and Geography, Environmental Geography

The goal of this chapter is to delineate how abiotic conditions, regional processes, and species interactions influence species diversity at local scales in drylands. There is a very rich literature ... More


10 Linking Species Diversity and Landscape Diversity

Bertrand Boeken and Yarden Oren

in Biodiversity in Drylands: Toward a Unified Framework

Published in print:
2005
Published Online:
November 2020
ISBN:
9780195139853
eISBN:
9780197561720
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195139853.003.0016
Subject:
Earth Sciences and Geography, Environmental Geography

Ecologists generally agree that species diversity is linked to landscape features (Pickett and White 1985, Glenn et al. 1992, Wiens et al. 1993, Rosenzweig 1995, Hoagland and Collins 1997, Ritchie ... More


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