搜索结果: 1-11 共查到“理学 Elevated CO2”相关记录11条 . 查询时间(0.11 秒)
Elevated CO2 decreases the response of the ethylene signaling pathway in Medicago truncatula and increases the abundance of the pea aphid
Acyrthosiphon pisum (pea aphid) elevated CO2 ethylene Medicago truncatula nitrogen (N) metabolism resistance
2015/2/5
The performance of herbivorous insects is greatly affected by plant nutritional quality and resistance, which are likely to be altered by rising concentrations of atmospheric CO2.We previously repor...
Discovery Provides Insights on How Plants Respond to Elevated CO2 Levels（图）
Plants Crops The drought High temperature Genetic Carbon dioxide biology
2014/7/18
Biologists at UC San Diego have solved a long-standing mystery concerning the way plants reduce the numbers of their breathing pores in response to rising carbon dioxide levels in the atmosphere.In a ...
Interactive Effects of Elevated CO2 and Salinity on Three Common Grass Species
elevated CO2 salinity grass species c3 and c4 photosynthesis germination biomass
2015/5/22
Carbon dioxide (CO2) level in the atmosphere has increased steadily since Pre-Industrial times. The need for a better understanding of the effects of elevated CO2 on plant physiology and growth is cle...
Carbonyl sulfide exchange in a temperate loblolly pine forest grown under ambient and elevated CO2
Carbonyl sulfide loblolly pine forest CO2
2010/2/1
Vegetation, soil and ecosystem level carbonyl sulfide (COS) exchange was observed at Duke Forest, a temperate loblolly pine forest, grown under ambient (Ring 1, R1) and elevated (Ring 2, R2) CO2. Duri...
Elevated CO2 increases sensitivity to ultraviolet radiation in lacustrine phytoplankton assemblages
Elevated CO2 increases sensitivity ultraviolet radiation lacustrine phytoplankton assemblages
2014/4/17
This study tests the effects of elevated CO2 and ultraviolet radiation (UVR) on phytoplankton photosynthesis through in situ incubations in Lake Giles, Pennsylvania. In a first experiment, CO2 was sup...
Influence of elevated CO2 concentrations on cell division and nitrogen fixation rates in the bloom-forming cyanobacterium Nodularia spumigena
elevated CO2 concentrations cell division nitrogen fixation rates bloom-forming cyanobacterium
2010/1/21
The surface ocean absorbs large quantities of the CO2 emitted to the atmosphere from human activities. As this CO2 dissolves in seawater, it reacts to form carbonic acid. While this phenomenon, called...
Primary production during nutrient-induced blooms at elevated CO2 concentrations
Primary production nutrient-induced blooms elevated CO2 concentrations
2010/1/20
A CO2 enrichment experiment (PeECE III) was carried out in 9 mesocosms in which the seawater carbonate system was manipulated to achieve three different levels of pCO2. At the onset of the experimenta...
Effect of water addition and nitrogen fertilization on the fluxes of CH4, CO2, NOx, and N2O following five years of elevated CO2 in the Colorado Shortgrass Steppe
nitrogen fertilization CH4 CO2 NOx N2O Colorado Shortgrass Steppe
2009/3/11
An open-top-chamber (OTC) CO2 enrichment (~720 mmol mol-1) study was conducted in the Colorado shortgrass steppe from April 1997 through October 2001. Aboveground plant biomass increased under elevate...
Carbon and oxygen isotope analysis of leaf biomass reveals contrasting photosynthetic responses to elevated CO2 near geologic vents in Yellowstone National Park
isotope analysis leaf biomass reveals photosynthetic responses CO2 geologic vents
2010/1/19
In this study we explore the use of natural CO2 emissions in Yellowstone National Park (YNP) in Wyoming, USA to study responses of natural vegetation to elevated CO2 levels. Radiocarbon (14C) analysis...
Community shifts and carbon translocation within metabolically-active rhizosphere microorganisms in grasslands under elevated CO2
Community shifts carbon translocation metabolically-active rhizosphere microorganisms
2010/1/14
The aim of this study was to identify the microbial communities that are actively involved in the assimilation of rhizosphere-C and are most sensitive in their activity to elevated atmospheric CO2 in ...
Elevated co2 stimulates net accumulations of carbon and nitrogen in land ecosystems：A meta-analysis
carbon sequestration ecosystem development global change meta-analysis nitrogen stoichiometry Department of Botany and Microbiology University of Oklahoma
2007/7/11
The capability of terrestrial ecosystems to sequester carbon (C) plays a critical role in regulating future climatic change yet depends on nitrogen (N) availability. To predict long-term ecosystem C s...