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Plant Physiological Ecology
Thijs L. Pons, Hans Lambers, F. Stuart Chapin III, et al.
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Naturwissenschaften, Medizin, Informatik, Technik / Biologie
Beschreibung
The individual is engaged in a struggle for existence (Darwin). That struggle may be of two kinds:The acquisition of the resources needed for establishment and growth from a sometimes hostile and meager environment and the struggle with competingneighbors of the same or different species. In some ways, we can define physiology and ecology in terms of these two kinds of struggles. Plant ecology, or plant sociology, is centered on the relationships and interactions of species within communities and the way in which populations of a species are adapted to a characteristic range of environments. Plant physiology is mostly concerned with the individual and its struggle with its environment. At the outset of this book, the authors give their definition of ecophysiology, arriving at the conclusion that it is a point of view about physiology. A point of view that is informed, perhaps, by knowledge of the real world outside the laboratory win- dow. A world in which, shall we say, the light intensity is much greater than the 2s 1 200 to 500llmoi photons m- - used in too many environment chambers, and one in which a constant 20(deg)C day and night is a great rarity. The standard conditions used in the laboratory are usually regarded as treatments. Of course, there is nothing wrong with this in principle; one always needs a baseline when making comparisons. The idea, however, that the laboratory control is the norm is false and can lead to misunderstanding and poor predictions of behavior.
