This book focuses on the interactive effects of environmental stresses with plant and ecosystem functions, especially with respect to changes in the abundance of carbon dioxide. The interaction of stresses with elevated carbon dioxide are presented from the cellular through whole plant ecosystem level. The book carefully considers not only the responses of the above-ground portion of the plant, but also emphasizes the critical role of below-ground (rhizosphere) components (e.g., roots, microbes, soil) in determining the nature and magnitude of these interactions.
* Will rising CO2 alter the importance of environmental stress in natural and agricultural ecosystems?
* Will environmental stress on plants reduce their capacity to remove CO2 from the atmosphere?
* Are some stresses more important than others as we concern ourselves with global change?
* Can we develop predictive models useful for scientists and policy-makers?
* Where should future research efforts be focused?

This 33-chapter volume presents a critical examination of the importance of stable isotopes in understanding key plant metabolic processes.
Key Features
* Carbon isotope analyses for estimates of plant water use and metabolism
* Integrated estimates of stress impacts and life history in ecological systems
* Hydrogen and oxygen isotope analyses for evaluating water sources and transpiration
* Use of stable isotopes in scaling from leaf to global levels
* Sections include:
* History and Theoretical Considerations
* Ecological Aspects of Carbon Isotope Variation
* Agricultural Aspects of Carbon Isotope Variation
* Genetics and Isotopic Variation
* Water Relations and Isotopic Composition