Exploitation of Environmental Heterogeneity by Plants: Ecophysiological Processes Above- and Belowground

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Academic Press, Dec 2, 2012 - Science - 429 pages
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There is a new emerging interest in the effects of gaps and patches on succession and biodiversity. This innovative volume is a synthesis of studies of plant responses to temporal and spatial heterogeneity, the exploitation of resources from pulses and patches by plants, and their competition with neighbors in the face of this variability.
Aboveground, the book focuses upon the nature of canopy patchiness, consequences of this heterogeneity for the light environment, and the mechanisms by which plants respond to and exploit this patchiness. Belowground, the text explores the heterogeneity of soil environments and how root systems obtain nutrients and water in the context of this temporal and spatial variability.
As a new reference in an evolving and growing field, this text is sure to be a valuable tool for researchers and advanced students in plant physiology, ecology, agronomy, and forestry alike.
 

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Contents

Chapter 1 The Role of Plasticity in Exploiting Environmental Heterogeneity
1
Spatial and Temporal Attributes
21
Sensing the Light Opportunities in Highly Dynamic Canopy Environments
73
Competitive Light Interception and Economic Space FillingA Matter of WholePlant Allocation
111
Scaling from the Leaf to the Whole Plant
145
A Temporally Patchy Resource on a Time Scale of Seconds to Minutes
175
Chapter 7 Signals for Seeds to Sense and Respond to Gaps
209
Quantifying Pattern and Scale
237
Chapter 9 Causes of Soil Nutrient Heterogeneity at Different Scales
255
Chapter 10 RootSoil Responses to Water Pulses in Dry Environments
285
Chapter 11 Architecture and Biomass Allocation as Components of the Plastic Response of Root Systems to Soil Heterogeneity
305
Chapter 12 Exploiting Nutrients in Fertile Soil Microsites
325
The Physiological Ecology of Tree Seedling Regeneration across the GapUnderstory Continuum
349
Chapter 14 Spatial Heterogeneity at Small Scales and How Plants Respond to It
391
Index
415
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