Jump to ContentJump to Main Navigation

You are looking at 1-10 of 43 items

  • Keywords: population density x
Clear All Modify Search

View:

Allee Effects in Ecology and Conservation

Franck Courchamp, Ludek Berec, and Joanna Gascoigne

Published in print:
2008
Published Online:
May 2008
ISBN:
9780198570301
eISBN:
9780191717642
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570301.001.0001
Subject:
Biology, Biodiversity / Conservation Biology

Allee effects are broadly defined as a decline in individual fitness at low population size or density, that can result in critical population thresholds below which populations crash to extinction. ... More


Mechanisms for Allee effects

Franck Courchamp, Luděk Berec, and Joanna Gascoigne

in Allee Effects in Ecology and Conservation

Published in print:
2008
Published Online:
May 2008
ISBN:
9780198570301
eISBN:
9780191717642
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570301.003.0002
Subject:
Biology, Biodiversity / Conservation Biology

This chapter describes the mechanisms by which an Allee effect can arise. For each mechanism, the chapter discusses how it works in theory, and then presents current evidence for, and examples of, ... More


Demography: social group size and composition and population density

Thomas T. Struhsaker

in The Red Colobus Monkeys: Variation in Demography, Behavior, and Ecology of Endangered Species

Published in print:
2010
Published Online:
May 2010
ISBN:
9780198529583
eISBN:
9780191712746
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198529583.003.0003
Subject:
Biology, Animal Biology, Biodiversity / Conservation Biology

An understanding of the parameters affecting intra-and intertaxa demographic variation is critical to both the applied and theoretical evaluation of this variation, such as in the development of ... More


The National Evidence

Chris Bramall

in The Industrialization of Rural China

Published in print:
2006
Published Online:
January 2007
ISBN:
9780199275939
eISBN:
9780191706073
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199275939.003.0007
Subject:
Economics and Finance, South and East Asia

The evidence on the determinants of growth for China’s counties in the post-1978 era points to the clear causal role of initial conditions. Proximity to large urban centres, the dependency rate, and ... More


A Population Density Model of the Driven LGN/PGN

Marco A. Huertasand and Gregory D. Smith

in Stochastic Methods in Neuroscience

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199235070
eISBN:
9780191715778
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199235070.003.0008
Subject:
Mathematics, Biostatistics

The interaction of two populations of integrate-and-fire-or-burst neurons representing thalamocortical cells from the dorsal lateral geniculate nucleus (dLGN) and thalamic reticular cells from the ... More


City Sizes and Urbanization in the Roman Empire

Andrew Wilson

in Settlement, Urbanization, and Population

Published in print:
2011
Published Online:
May 2012
ISBN:
9780199602353
eISBN:
9780191731570
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199602353.003.0007
Subject:
Classical Studies, European History: BCE to 500CE, Archaeology: Classical

This chapter looks at some of the physical evidence for Roman towns to see how we might establish the parameters of the plausible in estimating population densities for Roman cities in different ... More


Human Social Evolution: A Comparison of Hunter-gatherer and Chimpanzee Social Organization

Robert Layton and Sean O'Hara

in Social Brain, Distributed Mind

Published in print:
2010
Published Online:
January 2012
ISBN:
9780197264522
eISBN:
9780191734724
Item type:
chapter
Publisher:
British Academy
DOI:
10.5871/bacad/9780197264522.003.0005
Subject:
Psychology, Evolutionary Psychology

This chapter compares the social behaviour of human hunter-gatherers with that of the better-studied chimpanzee species, Pan troglodytes, in an attempt to pinpoint the unique features of human social ... More


Peopling the Countryside: Roman Demography in the Albegna Valley and Jerba

Elizabeth Fentress

in Quantifying the Roman Economy: Methods and Problems

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199562596
eISBN:
9780191721458
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199562596.003.0005
Subject:
Classical Studies, European History: BCE to 500CE

The surveys of the Albegna Valley and the Island of Jerba were carried out respectively between 1979–1983 and 1995–2000 using similar methodologies (flow data and transect sampling). Each recovered ... More


Archaeology, Demography, and Roman Economic Growth

Willem Jongman

in Quantifying the Roman Economy: Methods and Problems

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199562596
eISBN:
9780191721458
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199562596.003.0004
Subject:
Classical Studies, European History: BCE to 500CE

This chapter probes the potential of archaeological data for a reconstruction of the demography of ancient Rome. Unfortunately demographic structure is hard to document archaeologically: to calculate ... More


Urbanization in Etruria

Tom Rasmussen

in Mediterranean Urbanization 800-600 BC

Published in print:
2005
Published Online:
January 2012
ISBN:
9780197263259
eISBN:
9780191734618
Item type:
chapter
Publisher:
British Academy
DOI:
10.5871/bacad/9780197263259.003.0004
Subject:
Archaeology, Historical Archaeology

This chapter examines the process of urbanization in Etruria. There is general agreement that, in Etruria, urbanization was well under way by the end of the seventh century BC. During this period ... More


View: