Leseprobe
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Plant Strategies and the Dynamics and Structure of Plant Communities. (MPB-26), Volume 26
David Tilman
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Naturwissenschaften, Medizin, Informatik, Technik / Naturwissenschaften allgemein
Beschreibung
Although ecologists have long considered morphology and life history to be important determinants of the distribution, abundance, and dynamics of plants in nature, this book contains the first theory to predict explicitly both the evolution of plant traits and the effects of these traits on plant community structure and dynamics. David Tilman focuses on the universal requirement of terrestrial plants for both below-ground and above-ground resources. The physical separation of these resources means that plants face an unavoidable tradeoff. To obtain a higher proportion of one resource, a plant must allocate more of its growth to the structures involved in its acquisition, and thus necessarily obtain a lower proportion of another resource. Professor Tilman presents a simple theory that includes this constraint and tradeoff, and uses the theory to explore the evolution of plant life histories and morphologies along productivity and disturbance gradients.
The book shows that relative growth rate, which is predicted to be strongly influenced by a plant's proportional allocation to leaves, is a major determinant of the transient dynamics of competition. These dynamics may explain the differences between successions on poor versus rich soils and suggest that most field experiments performed to date have been of too short a duration to allow unambiguous interpretation of their results.
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Ecological succession, Canopy (biology), Soil, Cultivar, Nutrient cycle, Liriodendron, Forestry, Appalachian Mountains, Soil fertility, Vegetation type, Mineralization (geology), Soil type, Vaccinium myrtillus, Directional selection, Supply (economics), Flora, Journal of Ecology, The Conceptual Framework, Old field (ecology), Biomass (ecology), Genetic variation, Literature, Economic methodology, Plant community, Leaf area index, Botany, Seed predation, Seasonality, Plant evolution, Agriculture (Chinese mythology), Ambrosia artemisiifolia, Vascular plant, Parent material, Douglas fir, Mycorrhiza, Experimental economics, Vegetation, Ecological study, Mesic habitat, Nitrogen, Parameter (computer programming), Species distribution, Spatial scale, Secondary metabolite, Plant morphology, Agriculture, Biomass, Instance (computer science), Variable (computer science), Berteroa incana, Macrophyte, Addition, Herbivore, Photosynthesis, Geomorphology, Thicket, Nutrient, Forb (company), Year, Plant ecology, Herbaceous plant, Mineralization (biology), Tree, Quercus rubra, Shrub, Soil pH, Fertilizer, Livestock, Ecosystem, Vegetative reproduction