Seed Dispersal Of The Endangered Virginia Round Leaf Birch Betula Uber
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Author | : R. H. Ford |
Publisher | : |
Total Pages | : 14 |
Release | : 1983 |
Genre | : |
ISBN | : |
Download Seed Dispersal of the Endangered Virginia Round-leaf Birch (Betula Uber) Book in PDF, Epub and Kindle
Author | : Terry L. Sharik |
Publisher | : |
Total Pages | : 72 |
Release | : 1982 |
Genre | : Betula uber (Ashe) Fernald |
ISBN | : |
Download Virginia Round-leaf Birch Recovery Plan Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 122 |
Release | : 1991 |
Genre | : Betula uber |
ISBN | : |
Download Micropropagation of Virginia Round-leaf Birch (betula Uber [ashe] Fernald) Book in PDF, Epub and Kindle
Author | : Terry L. Sharik |
Publisher | : |
Total Pages | : 57 |
Release | : 1982 |
Genre | : Betula uber (Ashe) Fernald |
ISBN | : |
Download Virginia Round-leaf Birch Recovery Plan Book in PDF, Epub and Kindle
Author | : T.H. Fleming |
Publisher | : Springer Science & Business Media |
Total Pages | : 392 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401117497 |
Download Frugivory and seed dispersal: ecological and evolutionary aspects Book in PDF, Epub and Kindle
Any scientific discipline needs a theoretical framework to guide its development and to sharpen the questions its researchers pursue. In biology, evolution is the grand theoretical framework, and an his torical perspective is necessary to understand present-day biological conditions. In its formative years, the modern study of the fruit-frugivore mutualism was guided by the 'specialist-generalist' paradigm developed by D. Snow, D. McKey, and H. Howe. Howe reviews the current status of this evolution ary paradigm and points out that it has been dismissed by many workers before being adequately tested. This is because ecologists working with the tropical plants and frugivorous birds for which the paradigm was originally developed rarely measure the seed dispersal effectiveness of different disperser species. He indicates that this paradigm still has heuristic value and suggests that several additional ecological paradigms, including the concept ofkeystone species ofplants and frugivores and the role that frugivores play in density-dependent mortality in tropical trees, are worth studying. The concept of seed dispersal quality has been central to discussions of fruit-frugivore coevolution. Schupp thoroughly reviews data bearing on this concept, constructs a hierarchical framework for viewing disperser effectiveness, and points out that disperser effectiveness depends on both the quantity and quality of seed dispersal. Effectiveness, in turn, affects both evolutionary and ecological relationships between dispersers and their food plants.
Author | : Terry L. Sharik |
Publisher | : |
Total Pages | : 40 |
Release | : 1990 |
Genre | : Birch |
ISBN | : |
Download Virginia Round-leaf Birch Book in PDF, Epub and Kindle
Author | : United States. Forest Service |
Publisher | : Forest Service |
Total Pages | : 1240 |
Release | : 2008 |
Genre | : Gardening |
ISBN | : |
Download The Woody Plant Seed Manual Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1240 |
Release | : 2009 |
Genre | : |
ISBN | : |
Download The Woody Plant Seed Manual, Agriculture Handbook 727, July 2008 Book in PDF, Epub and Kindle
Author | : Roger Cousens |
Publisher | : OUP Oxford |
Total Pages | : 240 |
Release | : 2008-03-06 |
Genre | : Science |
ISBN | : 0191538396 |
Download Dispersal in Plants Book in PDF, Epub and Kindle
This advanced textbook is the first to explore the consequences of plant dispersal for population and community dynamics, spatial patterns, and evolution. It successfully integrates a rapidly expanding body of theoretical and empirical research. · The first comprehensive treatment of plant dispersal set within a population framework · Examines both the processes and consequence of dispersal · Spans the entire range of research, from natural history and collection of empirical data to modeling and evolutionary theory · Provides a clear and simple explanation of mathematical concepts
Author | : Richard Sheppard Mitchell |
Publisher | : |
Total Pages | : 332 |
Release | : 1990 |
Genre | : Science |
ISBN | : |
Download Ecosystem Management Book in PDF, Epub and Kindle