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Browsing Ecosystems Center by Title

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Browsing Ecosystems Center by Title

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  • Piontek, J.; Lunau, M.; Handel, N.; Borchard, C.; Wurst, M.; Engel, A. (Copernicus Publications on behalf of the European Geosciences Union, 2010-05-19)
    With the accumulation of anthropogenic carbon dioxide (CO2), a proceeding decline in seawater pH has been induced that is referred to as ocean acidification. The ocean's capacity for CO2 storage is strongly affected by ...
  • Burton, Andrew J.; Melillo, Jerry M.; Frey, Serita D. (2008-06)
    Adjustment of ecosystem root respiration to warmer climatic conditions can alter the autotrophic portion of soil respiration and influence the amount of carbon available for biomass production. We examined 44 published ...
  • Meyerson, Laura A.; Baron, Jill; Melillo, Jerry M.; Naiman, Robert J.; O'Malley, Robin I.; Orians, Gordon; Palmer, Margaret A.; Pfaff, Alexander S. P.; Running, Steven W.; Sala, Osvaldo E. (Ecological Society of America, 2005-02)
    National scale aggregate indicators of ecosystem services are useful for stimulating and supporting a broad public discussion about trends in the provision of these services. There are important considerations involved in ...
  • Deegan, Linda A.; Neill, Christopher; Haupert, Christie L.; Ballester, M. Victoria R.; Krusche, Alex V.; Victoria, Reynaldo L.; Thomas, Suzanne M.; de Moor, Emily (2010-08-29)
    Human activities that modify land cover can alter the structure and biogeochemistry of small streams but these effects are poorly known over large regions of the humid tropics where rates of forest clearing are high. We ...
  • Galford, Gillian L.; Melillo, Jerry M.; Mustard, John F.; Cerri, Carlos E. P.; Cerri, Carlos C. (American Meteorological Society, 2010-10-28)
    The Brazilian Amazon is one of the most rapidly developing agricultural frontiers in the world. The authors assess changes in cropland area and the intensification of cropping in the Brazilian agricultural frontier state ...
  • McGuire, A. David; Hayes, Daniel J.; Kicklighter, David W.; Manizza, Manfredi; Zhuang, Qianlai; Chen, M.; Follows, Michael J.; Gurney, Kevin R.; McClelland, James W.; Melillo, Jerry M.; Peterson, Bruce J.; Prinn, Ronald G. (2010-06-18)
    This study used several model-based tools to analyze the dynamics of the Arctic Basin between 1997 and 2006 as a linked system of land-ocean-atmosphere C exchange. The analysis estimates that terrestrial areas of the ...
  • Bijoor, Neeta S.; Pataki, Diane E.; Rocha, Adrian V.; Goulden, Michael L. (2011-05)
    The δ18O and δD composition of water pools (leaf, root, standing water, and soil water) and fluxes (transpiration, evaporation) were used to understand ecohydrological processes in a managed Typha latifolia L. freshwater ...
  • White, Daniel; Hinzman, Larry; Alessa, Lilian; Cassano, John; Chambers, Molly; Falkner, Kelly; Francis, Jennifer; Gutowski, William J.; Holland, Marika M.; Holmes, Robert M.; Huntington, Henry; Kane, Douglas; Kliskey, Andrew; Lee, Craig M.; McClelland, James W.; Peterson, Bruce J.; Rupp, T. Scott; Straneo, Fiamma; Steele, Michael; Woodgate, Rebecca; Yang, Daqing; Yoshikawa, Kenji; Zhang, Tingjun (American Geophysical Union, 2007-11-20)
    Dramatic changes have been observed in the Arctic over the last century. Many of these involve the storage and cycling of fresh water. On land, precipitation and river discharge, lake abundance and size, glacier area and ...
  • Sitch, Stephen; McGuire, A. David; Kimball, John S.; Gedney, Nicola; Gamon, John; Engstrom, Ryan; Wolf, Annett; Zhuang, Qianlai; Clein, Joy S.; McDonald, Kyle C. (Ecological Society of America, 2007-01)
    This paper reviews the current status of using remote sensing and process-based modeling approaches to assess the contemporary and future circumpolar carbon balance of Arctic tundra, including the exchange of both carbon ...
  • Crump, Byron C.; Kling, George W.; Bahr, Michele; Hobbie, John E. (American Society for Microbiology, 2003-04)
    Seasonal shifts in bacterioplankton community composition in Toolik Lake, a tundra lake on the North Slope of Alaska, were related to shifts in the source (terrestrial versus phytoplankton) and lability of dissolved organic ...
  • Kennish, Michael J.; Bricker, Suzanne B.; Dennison, William C.; Glibert, Patricia M.; Livingston, Robert J.; Moore, Kenneth A.; Noble, Rachel T.; Paerl, Hans W.; Ramstack, Joy M.; Seitzinger, Sybil P.; Tomasko, David A.; Valiela, Ivan (2006-09-26)
    The Barnegat Bay-Little Egg Harbor Estuary is classified here as a highly eutrophic estuary based on application of NOAA’s National Estuarine Eutrophication Assessment model. Because it is shallow, poorly flushed, and ...
  • Herron, Patrick M.; Gage, Daniel J.; Pinedo, Catalina Arango; Haider, Zane K.; Cardon, Zoe G. (Frontiers Media, 2013-09-02)
    The rhizosphere is a hotbed of microbial activity in ecosystems, fueled by carbon compounds from plant roots. Basic questions about the location and dynamics of plant-spurred microbial growth in the rhizosphere are difficult ...
  • Crump, Byron C.; Adams, Heather E.; Hobbie, John E.; Kling, George W. (Ecological Society of America, 2007-06)
    Bacterioplankton community composition was compared across 10 lakes and 14 streams within the catchment of Toolik Lake, a tundra lake in Arctic Alaska, during seven surveys conducted over three years using denaturing ...
  • Mohan, Jacqueline E.; Ziska, Lewis H.; Thomas, Richard B.; Sicher, Richard C.; George, Kate; Clark, James S.; Schlesinger, William H. (Ecological Society of America, 2008-02)
  • Nelson, James A.; Stallings, Christopher D.; Landing, William M.; Chanton, Jeffrey P. (2013-03-17)
    We evaluated the potential contribution of allochthonous biomass subsidies to the upper trophic levels of offshore food webs in the northeastern Gulf of Mexico (GOM). We made this evaluation considering nitrogen, an essential ...
  • Rocha, Adrian V.; Shaver, Gaius R. (Ecological Society of America, 2011-03)
    Burned landscapes present several challenges to quantifying landscape carbon balance. Fire scars are composed of a mosaic of patches that differ in burn severity, which may influence postfire carbon budgets through damage ...
  • Shaver, Gaius R.; Giblin, Anne E.; Nadelhoffer, Knute J.; Thieler, K. K.; Downs, M. R.; Laundre, J. A.; Rastetter, Edward B. (2006-02-15)
    Soils of tundra and boreal ecosystems contain large organic matter stocks, typically as a layer of peat that blankets the underlying mineral soil. Despite the low productivity of northern vegetation, organic matter accumulates ...
  • Bowling, D. R.; Bethers-Marchetti, S.; Lunch, Claire K.; Grote, E. E.; Belnap, J. (American Geophysical Union, 2010-11-18)
    The net exchanges of carbon dioxide, water vapor, and energy were examined in a perennial Colorado Plateau grassland for 5 years. The study began within a multiyear drought and continued as the drought ended. The grassland ...
  • Grimm, Nancy B.; Foster, David R.; Groffman, Peter; Grove, J. Morgan; Hopkinson, Charles S.; Nadelhoffer, Knute J.; Pataki, Diane E.; Peters, Debra P. C. (Ecological Society of America, 2008-06)
    Urbanization, an important driver of climate change and pollution, alters both biotic and abiotic ecosystem properties within, surrounding, and even at great distances from urban areas. As a result, research challenges and ...
  • Liu, Jiyuan; Tian, Hanqin; Liu, Mingliang; Zhuang, Dafang; Melillo, Jerry M.; Zhang, Zengxiang (American Geophysical Union, 2005-01-27)
    Land-cover changes in China are being powered by demand for food for its growing population and by the nation's transition from a largely rural society to one in which more than half of its people are expected to live in ...

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