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Browsing by Author "Megonigal, J. Patrick"

Browsing by Author "Megonigal, J. Patrick"

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  • 1999 CO2xCommunity Deep Root Biomass 
    Megonigal, J. Patrick; Holmquist, James R. (The Smithsonian Institution, 2021)
    Belowground biomass for 20 of the 45 experiment plots in the &quot;CO<SUB>2</SUB>xCommunity&quot; experiment taken in August 1999. Samples were taken after 13 years of continuous CO<SUB>2</SUB> treatment. Two soil cores ...
  • Aboveground production in southeastern floodplain forests: a test of the subsidy-stress hypothesis 
    Megonigal, J. Patrick; Conner, William H.; Kroeger, Steven; Sharitz, Rebecca R. (1997)
    None
  • Abu Dhabi Blue Carbon Demonstration Project 
    Schile, Lisa M.; Megonigal, J. Patrick (Smithsonian Environmental Research Center, 2017)
  • Accelerated sea-level rise is suppressing CO<SUB>2</SUB> stimulation of tidal marsh productivity: A 33-year study 
    Zhu, Chunwu; Langley, J. Adam; Ziska, Lewis H.; Cahoon, Donald R.; Megonigal, J. Patrick (2022)
    Accelerating relative sea-level rise (RSLR) is threatening coastal wetlands. However, rising CO2 concentrations may also stimulate carbon sequestration and vertical accretion, counterbalancing RSLR. A coastal wetland ...
  • Accounting for variability when resurrecting dormant propagules substantiates their use in eco-evolutionary studies 
    Vahsen, Megan L.; Gentile, Rachel M.; Summers, Jennifer L.; Kleiner, Helena S.; Foster, Benjamin; McCormack, Regina M.; James, Evan W.; Koch, Rachel A.; Metts, Dailee L.; Saunders, Colin; Megonigal, J. Patrick; Blum, Michael J.; McLachlan, Jason S. (2021)
    There has been a steady rise in the use of dormant propagules to study biotic responses to environmental change over time. This is particularly important for organisms that strongly mediate ecosystem processes, as changes ...
  • Accuracy and Precision of Tidal Wetland Soil Carbon Mapping in the Conterminous United States 
    Holmquist, James R.; Windham-Myers, Lisamarie; Bliss, Norman; Crooks, Stephen; Morris, James T.; Megonigal, J. Patrick; Troxler, Tiffany; Weller, Donald E.; Callaway, John; Drexler, Judith; Ferner, Matthew C.; Gonneea, Meagan E.; Kroeger, Kevin D.; Schile-Beers, Lisa; Woo, Isa; Buffington, Kevin; Breithaupt, Joshua; Boyd, Brandon M.; Brown, Lauren N.; Dix, Nicole; Hice, Lyndie; Horton, Benjamin P.; MacDonald, Glen M.; Moyer, Ryan P.; Reay, William; Shaw, Timothy; Smith, Erik; Smoak, Joseph M.; Sommerfield, Christopher; Thorne, Karen; Velinsky, David; Watson, Elizabeth; Grimes, Kristin Wilson; Woodrey, Mark (2018)
    Tidal wetlands produce long-term soil organic carbon (C) stocks. Thus for carbon accounting purposes, we need accurate and precise information on the magnitude and spatial distribution of those stocks. We assembled and ...
  • Accuracy and Precision of Tidal Wetland Soil Carbon Mapping in the Conterminous United States: Public Soil Carbon Data Release 
    Holmquist, James R.; Windham-Myers, Lisamarie; Bliss, Norman; Crooks, Stephen; Morris, James T.; Megonigal, J. Patrick; Troxler, Tiffany; Weller, Donald E.; Callaway, John; Drexler, Judith; Ferner, Matthew C.; Gonneea, Meagan E.; Kroeger, Kevin D.; Schile-Beers, Lisa; Woo, Isa; Buffington, Kevin; Boyd, Brandon M.; Breithaupt, Joshua; Brown, Lauren N.; Dix, Nicole; Hice, Lyndie; Horton, Benjamin P.; MacDonald, Glen M.; Moyer, Ryan P.; Reay, William; Shaw, Timothy; Smith, Erik; Smoak, Joseph M.; Sommerfield, Christopher; Thorne, Karen; Velinsky, David; Watson, Elizabeth; Wilson Grimes, Kristen; Woodrey, Mark (Smithsonian Research Online, 2018)
    Tidal wetlands produce long-term soil organic carbon (C) stocks. Thus for carbon accounting purposes, we need accurate and precise information on the magnitude and spatial distribution of those stocks. We assembled and ...
  • Allometry data and equations for coastal marsh plants 
    Lu, Meng; Caplan, Joshua S.; Bakker, Jonathan D.; Langley, J. Adam; Mozdzer, Thomas J.; Drake, Bert G.; Megonigal, J. Patrick (2016)
    Coastal marshes are highly valued for ecosystem services such as protecting inland habitats from storms, sequestering carbon, removing nutrients and other pollutants from surface water, and providing habitat for fish, ...
  • Allometry data and equations for coastal marsh plants 
    Lu, Meng; Caplan, Joshua S.; Bakker, Jonathan D.; Mozdzer, Thomas J.; Drake, Bert G.; Megonigal, J. Patrick; Langley, J. Adam (Smithsonian Environmental Research Center, 2016)
  • Altered soil microbial community at elevated CO2 leads to loss of soil carbon 
    Carney, K. M.; Hungate, Bruce A.; Drake, Bert G.; Megonigal, J. Patrick (2007)
    Increased carbon storage in ecosystems due to elevated CO2 may help stabilize atmospheric CO2 concentrations and slow global warming. Many field studies have found that elevated CO2 leads to higher carbon assimilation by ...
  • Anaerobic Metabolism in Tidal Freshwater Wetlands: I. Plant Removal Effects on Iron Reduction and Methanogenesis 
    Keller, Jason K.; Sutton-Grier, Ariana E.; Bullock, Allyson L.; Megonigal, J. Patrick (2013)
    For energetic reasons, iron reduction suppresses methanogenesis in tidal freshwater wetlands; however, when iron reduction is limited by iron oxide availability, methanogenesis dominates anaerobic carbon mineralization. ...
  • Anaerobic Metabolism in Tidal Freshwater Wetlands: II. Effects of Plant Removal on Archaeal Microbial Communities 
    Emerson, David; Bellows, Wendy; Keller, Jason K.; Moyer, Craig L.; Sutton-Grier, Ariana; Megonigal, J. Patrick (2013)
  • Anaerobic Metabolism in Tidal Freshwater Wetlands: III. Temperature Regulation of Iron Cycling 
    Bullock, Allyson L.; Sutton-Grier, Ariana E.; Megonigal, J. Patrick (2013)
    Understanding the ecological processes that regulate the production and fate of methane (CH 4 ) in wetland soils is essential for forecasting wetland CH 4 emissions. Iron reduction is an important carbon mineralization ...
  • Anaerobic metabolism: linkages to trace gases and aerobic processes 
    Megonigal, J. Patrick; Hines, M. E.; Visscher, P. T. (Elsevier-Pergamon, 2004)
  • Asynchronous nitrogen supply and demand produce nonlinear plant allocation responses to warming and elevated CO<SUB>2</SUB> 
    Noyce, Genevieve L.; Kirwan, Matthew L.; Rich, Roy L.; Megonigal, J. Patrick (2019)
    Terrestrial ecosystem responses to climate change are mediated by complex plant-soil feedbacks that are poorly understood, but often driven by the balance of nutrient supply and demand. We actively increased aboveground ...
  • Asynchrony among local communities stabilises ecosystem function of metacommunities 
    Wilcox, Kevin R.; Tredennick, Andrew T.; Koerner, Sally E.; Grman, Emily; Hallett, Lauren M.; Avolio, Meghan L.; La Pierre, Kimberly J.; Houseman, Gregory R.; Isbell, Forest; Johnson, David Samuel; Alatalo, Juha M.; Baldwin, Andrew H.; Bork, Edward W.; Boughton, Elizabeth H.; Bowman, William D.; Britton, Andrea J.; Cahill, James F.; Collins, Scott L.; Du, Guozhen; Eskelinen, Anu; Gough, Laura; Jentsch, Anke; Kern, Christel; Klanderud, Kari; Knapp, Alan K.; Kreyling, Juergen; Luo, Yiqi; McLaren, Jennie R.; Megonigal, J. Patrick; Onipchenko, Vladimir; Prevéy, Janet; Price, Jodi N.; Robinson, Clare H.; Sala, Osvaldo E.; Smith, Melinda D.; Soudzilovskaia, Nadejda A.; Souza, Lara; Tilman, David; White, Shannon R.; Xu, Zhuwen; Yahdjian, Laura; Yu, Qiang; Zhang, Pengfei; Zhang, Yunhai (2017)
    Temporal stability of ecosystem functioning increases the predictability and reliability of ecosystem services, and understanding the drivers of stability across spatial scales is important for land management and policy ...
  • Attaining freshwater and estuarine-water soil saturation in an ecosystem-scale coastal flooding experiment 
    Hopple, Anya M.; Doro, K. O.; Bailey, V. L.; Bond-Lamberty, B.; McDowell, N.; Morris, K. A.; Myers-Pigg, A.; Pennington, S. C.; Regier, P.; Rich, Roy L.; Sengupta, A.; Smith, R.; Stegen, J.; Ward, N. D.; Woodard, S. C.; Megonigal, J. Patrick (2023)
    Coastal upland forests are facing widespread mortality as sea-level rise accelerates and precipitation and storm regimes change. The loss of coastal forests has significant implications for the coastal carbon cycle; yet, ...
  • Author Correction: The future of Blue Carbon science 
    Macreadie, Peter I.; Anton, Andrea; Raven, John A.; Beaumont, Nicola; Connolly, Rod M.; Friess, Daniel A.; Kelleway, Jeffrey J.; Kennedy, Hilary; Kuwae, Tomohiro; Lavery, Paul S.; Lovelock, Catherine E.; Smale, Dan A.; Apostolaki, Eugenia T.; Atwood, Trisha B.; Baldock, Jeff; Bianchi, Thomas S.; Chmura, Gail L.; Eyre, Bradley D.; Fourqurean, James W.; Hall-Spencer, Jason; Huxham, Mark; Hendriks, Iris E.; Krause-Jensen, Dorte; Laffoley, Dan; Luisetti, Tiziana; Marbà, Núria; Masque, Pere; McGlathery, Karen J.; Megonigal, J. Patrick; Murdiyarso, Daniel; Russell, Bayden D.; Santos, Rui; Serrano, Oscar; Silliman, Brian R.; Watanabe, Kenta; Duarte, Carlos M. (2019)
    An amendment to this paper has been published and can be accessed via a link at the top of the paper.
  • Below-ground process responses to elevated CO2 and temperature: a discussion of observations, measurement methods, and models 
    Pendall, E.; Bridgham, S.; Hanson, P. J.; Hungate, Bruce A.; Kicklighter, D. W.; Johnson, D. W.; Law, B. E.; Luo, Y.; Megonigal, J. Patrick; Olsrud, M.; Ryan, M. G.; Wan, S. (2004)
    None
  • Biogeochemical and plant trait mechanisms drive enhanced methane emissions in response to whole-ecosystem warming 
    Noyce, Genevieve L.; Megonigal, J. Patrick (2021)
    Climate warming perturbs ecosystem carbon (C) cycling, causing both positive and negative feedbacks on greenhouse gas emissions. In 2016, we began a tidal marsh field experiment in two vegetation communities to investigate ...

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