Effects of Variation in Ecosystem Carryover on Biodiversity and Community Structure of Forest Floor Bryophytes and Understory Vascular Plants PDF Download
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Author: Bibit Halliday Traut
Publisher:
ISBN:
Category : Bryophytes
Languages : en
Pages : 118
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Book Description
Author: Bibit Halliday Traut
Publisher:
ISBN:
Category : Bryophytes
Languages : en
Pages : 118
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Book Description
Author: D. L. Henshaw
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 100
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 940
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Book Description
Author: Pacific Northwest Research Station (Portland, Or.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 104
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Book Description
Author:
Publisher:
ISBN:
Category : Ecosystem management
Languages : en
Pages : 32
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Book Description
Author: Juliann E. Aukema
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 28
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Book Description
Nine years after variable-density thinning (VDT) on the Forest Ecosystem Study, we examined low understory vegetation in 60 plots of eight stands (four pairs of VDT and control). We compared native, exotic, ruderal, and nonforest species richness among the stands. We used clustering, ordination, and indicator species analysis to look for distinctive patches of plant associations. Native, exotic, ruderal, and nonforest plant species diversity were higher in VDT stands compared to control stands for both forests. Differentiation of the understory into multiple distinct vegetation patches was not definitive, but there were trends toward greater heterogeneity in VDT stands.
Author: Vera Sit
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 160
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Book Description
Adaptive management is a hybrid of scientific research and resource management, blending methods of investigation and discovery with deliberate manipulations of managed systems. This handbook discusses key aspects of statistics in adaptive management, beginning with a working definition, a demonstration of the value of adaptive management to forestry issues, and an explanation of some of the differences between research studies and adaptive management techniques. Topics of subsequent chapters include the design of experiments, studies of uncontrolled events, retrospective studies, making measurements and estimates, errors of inference, Bayesian statistical methods, decision analysis to take uncertainties into account in forest resource management, and selection of the appropriate statistical methods and asking the right questions. Includes glossary.
Author: Michel Loreau
Publisher: John Wiley & Sons
ISBN: 1789450721
Category : Science
Languages : en
Pages : 386
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Book Description
The idea that changes in biodiversity can impact how ecosystems function has, over the last quarter century, gone from being a controversial notion to an accepted part of science and policy. As the field matures, it is high time to review progress, explore the links between this new research area and fundamental ecological concepts, and look ahead to the implementation of this knowledge. This book is designed to both provide an up-to-date overview of research in the area and to serve as a useful textbook for those studying the relationship between biodiversity and the functioning, stability and services of ecosystems. The Ecological and Societal Consequences of Biodiversity Loss is aimed at a wide audience of upper undergraduate students, postgraduate students, and academic and research staff.
Author: M. R. Ahuja
Publisher: Springer
ISBN: 3319664263
Category : Science
Languages : en
Pages : 513
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Book Description
This book provides complete, comprehensive, and broad subject-based reviews for students, teachers, researchers, policymakers, conservationists, and NGOs interested in the biodiversity and conservation of woody plants. Forests cover approximately 31 percent of the world’s total landmass; 93 percent is natural forest and only 7 percent consists of planted trees. Forest decline is progressing at an alarming rate worldwide. In addition to human activities (logging, deforestation, and exploiting forest lands for agriculture and industrial use), a number of other factors – including pests and diseases, drought, soil acidity, radiation, and ozone – are cumulatively contributing to global forest decline. The present situation forces us to focus on forest conservation strategies for the present and future. Gene conservation and maintaining genetic diversity in forest ecosystems are crucial to the preservation of forest genetic resources. This calls for integrated action to implement both the in situ (on site) preservation of forest stands and ex situ (distant from the original site) strategies for the conservation of woody plants’ genetic resources. Selected priority areas include: 1) assessing patterns of genetic diversity and threats, 2) understanding the biological processes regulating genetic diversity, 3) assessing the impact of human activities and climate change on genetic diversity, and 5) finding methods for prioritizing species and populations for the conservation of forest trees genetic resources. All chapters were written by leading scientists in their respective fields, which include: woody plant diversity, ecology and evolution; assessment of genetic diversity in forest tree populations; conservation planning under climate change; and in situ and ex situ strategies, including biotechnological approaches, for the conservation of woody plants genetic resources.
Author: Ann P. Kinzig
Publisher: Princeton University Press
ISBN: 9780691088228
Category : Nature
Languages : en
Pages : 398
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Book Description
Does biodiversity influence how ecosystems function? Might diversity loss affect the ability of ecosystems to deliver services of benefit to humankind? Ecosystems provide food, fuel, fiber, and drinkable water, regulate local and regional climate, and recycle needed nutrients, among other things. An ecosyste's ability to sustain functioning may depend on the number of species residing in the ecosystem--its biological diversity--but this has been a controversial hypothesis. There are many unanswered questions about how and why changes in biodiversity could alter ecosystem functioning. This volume, written by top researchers, synthesizes empirical studies on the relationship between biodiversity and ecosystem functioning and extends that knowledge using a novel and coordinated set of models and theoretical approaches. These experimental and theoretical analyses demonstrate that functioning usually increases with biodiversity, but also reveals when and under what circumstances other relationships between biodiversity and ecosystem functioning might occur. It also accounts for apparent changes in diversity-functioning relationships that emerge over time in disturbed ecosystems, thereby addressing a major controversy in the field. The volume concludes with a blueprint for moving beyond small-scale studies to regional ones--a move of enormous significance for policy and conservation but one that will entail tackling some of the most fundamental challenges in ecology. In addition to the editors, the contributors are Juan Armesto, Claudia Neuhauser, Andy Hector, Clarence Lehman, Peter Kareiva, Sharon Lawler, Peter Chesson, Teri Balser, Mary K. Firestone, Robert Holt, Michel Loreau, Johannes Knops, David Wedin, Peter Reich, Shahid Naeem, Bernhard Schmid, Jasmin Joshi, and Felix Schläpfer.
