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Subjects temporal variation Remove constraint temporal variation: temporal variation Subjects photosynthesis Remove constraint photosynthesis: photosynthesis Year 2009 Remove constraint 2009: 2009

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1. Age-class differences in shoot photosynthesis and water relations of Fraser fir (Abies fraseri), southern Appalachian Mountains, USA

Description:: Includes references
Author:: Reinhardt, Keith , Johnson, Daniel M. , Smith, William K.
Subject:: Abies fraseri , conifers , tree age , plant-water relations , forest trees , photosynthesis , gas exchange , seedlings , saplings , conifer needles , leaves , xylem water potential , stomatal conductance , leaf water potential , understory , temporal variation , Southeastern United States , Appalachian region , North Carolina
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

2. Gross primary production variability associated with meteorology, physiology, leaf area, and water supply in contrasting woodland and grassland semiarid riparian ecosystems

Description:: Includes references
Author:: Jenerette, G.D. , Scott, R.L. , Barron-Gafford, G.A. , Huxman, T.E.
Subject:: primary productivity , photosynthesis , dry environmental conditions , gas exchange , riparian areas , grasslands , woodlands , models , plant-water relations , climatic factors , plant physiology , leaf area , soil water , woody plants , grasses , soil-plant-atmosphere interactions , temporal variation , growing season , monsoon season , equations , stomatal conductance , biogeochemical cycles , Arizona
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

3. Intercomparison of a 'bottom-up' and 'top-down' modeling paradigm for estimating carbon and energy fluxes over a variety of vegetative regimes across the U.S

Description:: In the special issue: Environmental biophysics - Tribute to John Norman / edited by Martha Anderson, Tracy Twine, and Andy Black.
Author:: Houborg, Rasmus , Anderson, Martha C. , Norman, John M. , Wilson, Tim , Meyers, Tilden
Subject:: vegetation , simulation models , accuracy , carbon sequestration , primary productivity , energy balance , energy transfer , biophysics , water balance , photosynthesis , soil-plant-atmosphere interactions , canopy , radiation use efficiency , stomatal conductance , mathematical models , temporal variation , agroecosystems , ecosystems , meteorological data , water vapor , relative humidity , carbon dioxide , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

4. Intercomparison of a 'bottom-up' and 'top-down' modeling paradigm for estimating carbon and energy fluxes over a variety of vegetative regimes across the U.S

Description:: Includes references
Author:: Houborg, Rasmus , Anderson, Martha C. , Norman, John M. , Wilson, Tim , Meyers, Tilden
Subject:: evapotranspiration , soil-plant-atmosphere interactions , simulation models , carbon dioxide , water vapor , primary productivity , leaves , photosynthesis , stomatal conductance , canopy , temporal variation , seasonal variation , leaf area index , equations , heat transfer , light , agricultural land , forests , grasslands , water , carbon , vegetation cover , quantitative analysis , mechanistic models , vegetation , estimation , gas exchange , energy transfer , accuracy , environmental factors , soil-atmosphere interactions , radiation use efficiency , diurnal variation , ecosystems , relative humidity , elevated atmospheric gases , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

5. Photosynthetically active radiation use efficiency of Dactylis glomerata and Schedonorus phoenix along a hardwood tree-induced light gradient

Description:: Includes references
Author:: Feldhake, Charles M. , Belesky, D. P.
Subject:: Dactylis glomerata , Festuca arundinacea , radiation use efficiency , photosynthetically active radiation , silvopastoral systems , solar radiation , forage grasses , forage crops , photosynthesis , leaves , dry matter accumulation , plant growth , shade , woodlands , temporal variation , growing season , hardwood forests , West Virginia
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

6. Three scales of temporal resolution from automated soil respiration measurements

Description:: Includes references
Author:: Savage, Kathleen , Davidson, Eric A. , Richardson, Andrew D. , Hollinger, David Y.
Subject:: soil respiration , soil-atmosphere interactions , carbon dioxide , gas emissions , environmental factors , boreal forests , temperate forests , soil temperature , soil water content , depth , seasonal variation , temporal variation , equations , mathematical models , measurement , accuracy , autotrophs , heterotrophs , gas exchange , simulation models , air temperature , organic horizons , precipitation , diurnal variation , phenology , weather , photosynthesis , Massachusetts , Maine
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009