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Half Century of American Range Ecology and Management: A Retrospective

Frederic H. Wagner

in Foundations of Environmental Sustainability: The Coevolution of Science and Policy

Published in print:
2008
Published Online:
September 2008
ISBN:
9780195309454
eISBN:
9780199871261
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195309454.003.0010
Subject:
Biology, Ecology, Biodiversity / Conservation Biology

This chapter discusses the development of the livestock industry and grazing management and policy in the United States. It describes the climatic and vegetative conditions in the four major ... More


General techniques and considerations

Malcolm Ausden

in Habitat Management for Conservation: A Handbook of Techniques

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198568728
eISBN:
9780191717529
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568728.003.0004
Subject:
Biology, Biodiversity / Conservation Biology

This chapter discusses some general techniques and considerations common to managing most habitats. These include principles of managing for different groups, landscape factors, and disturbances; ... More


Dry grasslands

Malcolm Ausden

in Habitat Management for Conservation: A Handbook of Techniques

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198568728
eISBN:
9780191717529
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568728.003.0005
Subject:
Biology, Biodiversity / Conservation Biology

This chapter discusses grassland management. The common objectives of grassland management are to: provide the desired sward composition, the specific aim often being to maintain or increase plant ... More


Dwarf-shrub habitats and shrublands

Malcolm Ausden

in Habitat Management for Conservation: A Handbook of Techniques

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198568728
eISBN:
9780191717529
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568728.003.0006
Subject:
Biology, Biodiversity / Conservation Biology

Dwarf-shrubs are vegetation types dominated by low (less than 3-4 m high), predominantly evergreen, shrubs, typically on soils with low nutrient availability. Characteristic dwarf-shrub vegetation ... More


Writing Bayesian Models

N. Thompson Hobbs and Mevin B. Hooten

in Bayesian Models: A Statistical Primer for Ecologists

Published in print:
2015
Published Online:
October 2017
ISBN:
9780691159287
eISBN:
9781400866557
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691159287.003.0010
Subject:
Biology, Ecology

This chapter offers a general set of steps for writing models to assist the researcher in formulating their own approach to the Bayesian model. The crucial skill of specifying models is often ... More


The Biology of African Savannahs

Bryan Shorrocks

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198570660
eISBN:
9780191717680
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570660.001.0001
Subject:
Biology, Ecology

Savannahs are one of the largest biomes of the world, comprising about 20% of the land surface. Stated simply, they are tropical and subtropical grasslands, with scattered bushes and trees. Most ... More


Adding the Ecosystem

Kevin S. McCann

in Food Webs (MPB-50)

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691134178
eISBN:
9781400840687
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691134178.003.0011
Subject:
Biology, Ecology

This chapter examines how nutrient recycling and decomposition affect the dynamics and stability of food webs. It first reviews some of the existing theory on detritus and food web dynamics before ... More


Influences on Upland System Structure II: The Sagebrush-Steppe Subsystem

Frederic H. Wagner

in Yellowstone's Destabilized Ecosystem: Elk Effects, Science, and Policy Conflict

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195148213
eISBN:
9780199790449
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195148213.003.0007
Subject:
Biology, Ecology

Historic and photographic evidence shows that sagebrush (sagebrush-steppe is 53% of the northern range) were moderate to abundant from 1872-1920, significantly reduced from 1920-1960, and recovered ... More


Case Study: Assessments of Plant Diversity in Arid Landscapes

Thomas J. Stohlgren

in Measuring Plant Diversity: Lessons from the Field

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195172331
eISBN:
9780199790395
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195172331.003.0012
Subject:
Biology, Plant Sciences and Forestry

In arid environments, the patterns of native and non-native plant diversity may be affected by cryptobiotic crusts. This chapter is a detailed case study designed to: (1) quantify patterns of native ... More


Estimating Aboveground Net Primary Production in Grassland- and Herbaceous-Dominated Ecosystems

Alan K. Knapp, John M. Briggs, Daniel L. Childers, and Osvaldo E. Sala

in Principles and Standards for Measuring Primary Production

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195168662
eISBN:
9780199790128
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195168662.003.0003
Subject:
Biology, Ecology

Although grass- and herb-dominated ecosystems may be easier to sample for aboveground primary production than most others, a variety of challenges for standardizing approaches in different settings ... More


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