Tracing Changes in Ecosystem Function under Elevated Carbon Dioxide Conditions
نویسندگان
چکیده
منابع مشابه
Contrasting responses of seed yield to elevated carbon dioxide under field conditions within Phaseolus vulgaris
The rising concentration of carbon dioxide [CO2] in the atmosphere represents an increase in a growthlimiting resource for C3 crop species. Identification of lines or characteristics of lines which have superior yield at elevated [CO2] could aid in adaptation to this global change. While intraspecific variation in responses to elevated [CO2] has been found in several species, intraspecific diff...
متن کاملElevated carbon dioxide and ozone alter productivity and ecosystem carbon content in northern temperate forests
Three young northern temperate forest communities in the north-central United States were exposed to factorial combinations of elevated carbon dioxide (CO2 ) and tropospheric ozone (O3 ) for 11 years. Here, we report results from an extensive sampling of plant biomass and soil conducted at the conclusion of the experiment that enabled us to estimate ecosystem carbon (C) content and cumulative n...
متن کاملNitrogen assimilation and growth of wheat under elevated carbon dioxide.
Simultaneous measurements of CO(2) and O(2) fluxes from wheat (Triticum aestivum) shoots indicated that short-term exposures to elevated CO(2) concentrations diverted photosynthetic reductant from NO(3)(-) or NO(2)(-) reduction to CO(2) fixation. With longer exposures to elevated CO(2), wheat leaves showed a diminished capacity for NO(3)(-) photoassimilation at any CO(2) concentration. Moreover...
متن کاملEcosystem assembly and terrestrial carbon balance under elevated CO(2).
Research aimed at understanding how the global carbon balance will change with elevated CO(2) has largely ignored the responses of individual species and genotypes. Yet, plant traits strongly influence the biogeochemical cycling of carbon. Here, we illustrate how differences in inter- and intraspecific responses to elevated CO(2) affect not only physiology and growth, but also higher order biot...
متن کاملCARBON DIOXIDE EFFECTS UNDER CONDITIONS OF RAISED ENVIRONMENTAL PRESSURE by
Exposure to increased pressure, such as that encountered under water, affects the mechanics of respiration and in particular, the behavior of the respiratory gases. Carbon dioxide plays a major role in the physiology of the high-pressure environment, since the increased breathing resistance easily leads to carbon dioxide retention. The latter has been observed frequently in scuba and helmet div...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BioScience
سال: 2003
ISSN: 0006-3568
DOI: 10.1641/0006-3568(2003)053[0805:tciefu]2.0.co;2