On the Economy of Plant Form and Function: Proceedings of the Sixth Maria Moors Cabot Symposium, Evolutionary Constraints on Primary Productivity, Adaptive Patterns of Energy Capture in Plants, Harvard Forest, August 1983

Framsida
Thomas J. Givnish
Cambridge University Press, 1986 - 717 sidor
0 Recensioner
Recent studies that analyze the impact of various plant traits on whole-plant growth and competitive ability have provided insights into the selective pressures on characteristics such as leaf reflectivity, effective leaf size, stomatal conductance, size of photosynthetic enzyme pools, crown form, xylem structure, nitrogen fixation, and root versus shoot allocation. This research has reached an exciting stage, leading to quantitative predictions of favoured trends in these traits as a function of environmental parameters and fundamental physiological constraints. Such results reveal the importance of ecological patterns in plant form and physiology, and of evolutionary constraints on photosynthesis and primary productivity. On the Economy of Plant Form and Function summarizes the major recent advances in the economic analysis of plant behavior and suggests a framework for a unified, quantitative approach to understanding photosynthetic adaptations, their integration with other aspects of plant form, and their relationship to carbon balance and ultimate limits on plant productivity.
  

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1n defence of socalled autonomous linguistics
12
Linguistic theory and theoretical linguistics
27
English Urdu
46
The origin of language speech and languages
73
some typological
96
Towards a notional theory of the parts of speech
110
Deixis as the source of reference
146
Deixis and anaphora
166
Summary and conclusions 100
100
1ntroduction 105
106
Epidermal lenses 114
114
Blue iridescence 121
121
Economics of carbon fixation in higher plants 133
133
Adaptations for water and thermal balance in Andean
381
Marcesent leaves
392
Morphological adaptation and constraints on functioning
402

The scientific study oflanguage 1naugural Lecture
179
Notes
202
References
240
Subject index
278
Economics of gas exchange 11
11
The photosynthesis nitrogen relationship in wild plants 25
25
Modifications of solarradiation absorption patterns
57
Form and orientation in relation to PAR interception
83
Conclusions
408
Evolution of plant life forms
421
The roles of carbon balance and branching pattern in
585
form and mechanical function
603
Deflection and breakage
611
Tradeoffs
622
ecological
635
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