Ken Krauss, Ph.D. (Former Employee)
Science and Products
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Forested floristic quality index: An assessment tool for forested wetland habitats using the quality and quantity of woody vegetation at Coastwide Reference Monitoring System (CRMS) vegetation monitoring stations Forested floristic quality index: An assessment tool for forested wetland habitats using the quality and quantity of woody vegetation at Coastwide Reference Monitoring System (CRMS) vegetation monitoring stations
The U.S. Geological Survey, in cooperation with the Coastal Protection and Restoration Authority of Louisiana and the Coastal Wetlands Planning, Protection and Restoration Act, developed the Forested Floristic Quality Index (FFQI) for the Coastwide Reference Monitoring System (CRMS). The FFQI will help evaluate forested wetland sites on a continuum from severely degraded to healthy and...
Authors
William B. Wood, Gary P. Shaffer, Jenneke M. Visser, Ken W. Krauss, Sarai C. Piazza, Leigh Anne Sharp, Kari F. Cretini
Impacts of mangrove density on surface sediment accretion, belowground biomass and biogeochemistry in Puttalam Lagoon, Sri Lanka Impacts of mangrove density on surface sediment accretion, belowground biomass and biogeochemistry in Puttalam Lagoon, Sri Lanka
Understanding the effects of seedling density on sediment accretion, biogeochemistry and belowground biomass in mangrove systems can help explain ecological functioning and inform appropriate planting densities during restoration or climate change mitigation programs. The objectives of this study were to examine: 1) impacts of mangrove seedling density on surface sediment accretion...
Authors
D.H. Phillips, M.P. Kumara, L.P. Jayatissa, Ken W. Krauss, M. Huxham
Climatic controls on the global distribution, abundance, and species richness of mangrove forests Climatic controls on the global distribution, abundance, and species richness of mangrove forests
Mangrove forests are highly productive tidal saline wetland ecosystems found along sheltered tropical and subtropical coasts. Ecologists have long assumed that climatic drivers (i.e., temperature and rainfall regimes) govern the global distribution, structure, and function of mangrove forests. However, data constraints have hindered the quantification of direct climate-mangrove linkages...
Authors
Michael J. Osland, Laura C. Feher, Kereen Griffith, Kyle C. Cavanaugh, Nicholas M. Enwright, Richard H. Day, Camille L. Stagg, Ken W. Krauss, Rebecca J. Howard, James B. Grace, Kerrylee Rogers
Salinity influences on aboveground and belowground net primary productivity in tidal wetlands Salinity influences on aboveground and belowground net primary productivity in tidal wetlands
Tidal freshwater wetlands are one of the most vulnerable ecosystems to climate change and rising sea levels. However salinification within these systems is poorly understood, therefore, productivity (litterfall, woody biomass, and fine roots) were investigated on three forested tidal wetlands [(1) freshwater, (2) moderately saline, and (3) heavily salt-impacted] and a marsh along the...
Authors
Kathryn N. Pierfelice, B. Graeme Lockaby, Ken W. Krauss, William H. Conner, Gregory E. Noe, Matthew C. Ricker
Hydrologic modeling in a marsh-mangrove ecotone: Predicting wetland surface water and salinity response to restoration in the Ten Thousand Islands region of Florida, USA Hydrologic modeling in a marsh-mangrove ecotone: Predicting wetland surface water and salinity response to restoration in the Ten Thousand Islands region of Florida, USA
At the fringe of Everglades National Park in southwest Florida, United States, the Ten Thousand Islands National Wildlife Refuge (TTINWR) habitat has been heavily affected by the disruption of natural freshwater flow across the Tamiami Trail (U.S. Highway 41). As the Comprehensive Everglades Restoration Plan (CERP) proposes to restore the natural sheet flow from the Picayune Strand...
Authors
B.D. Michot, E.A. Meselhe, Ken W. Krauss, Surendra Shrestha, Andrew S. From, Eduardo Patino
Hydrologic restoration in a dynamic subtropical mangrove-to-marsh ecotone Hydrologic restoration in a dynamic subtropical mangrove-to-marsh ecotone
Extensive hydrologic modifications in coastal regions across the world have occurred to support infrastructure development, altering the function of many coastal wetlands. Wetland restoration success is dependent on the existence of hydrologic regimes that support development of appropriate soils and the growth and persistence of wetland vegetation. In Florida, United States, the...
Authors
Rebecca J. Howard, Richard H. Day, Ken W. Krauss, Andrew S. From, Larry K. Allain, Nicole Cormier
Greenhouse gas emissions from a created brackish marsh in eastern North Carolina Greenhouse gas emissions from a created brackish marsh in eastern North Carolina
Tidal marsh creation helps remediate global warming because tidal wetlands are especially proficient at sequestering carbon (C) in soils. However, greenhouse gas (GHG) losses can offset the climatic benefits gained from C storage depending on how these tidal marshes are constructed and managed. This study attempts to determine the GHG emissions from a 4–6 year old created brackish marsh...
Authors
Yo-Jin Shiau, Michael R. Burchell, Ken W. Krauss, François Birgand, Stephen W. Broome
Contemporary deposition and long-term accumulation of sediment and nutrients by tidal freshwater forested wetlands impacted by sea level rise Contemporary deposition and long-term accumulation of sediment and nutrients by tidal freshwater forested wetlands impacted by sea level rise
Contemporary deposition (artificial marker horizon, 3.5 years) and long-term accumulation rates (210Pb profiles, ~150 years) of sediment and associated carbon (C), nitrogen (N), and phosphorus (P) were measured in wetlands along the tidal Savannah and Waccamaw rivers in the southeastern USA. Four sites along each river spanned an upstream-to-downstream salinification gradient, from...
Authors
Gregory E. Noe, Cliff R. Hupp, Christopher E. Bernhardt, Ken W. Krauss
Hydrology of flooded and wetland forests Hydrology of flooded and wetland forests
In this chapter we will examine the hydrology of forested areas that are subject to soil saturation by rain, groundwater, or surface flooding. They include mangroves and other tidal forests, the forested portions of peatlands, and tree dominated wetlands defined by the Ramsar Convention (Mathews 1993). They also include estuarine tidal forests, palustrine forested wetlands, and the...
Authors
T. M. Williams, Ken W. Krauss, T. Okruszko
Inter-annual variability of area-scaled gaseous carbon emissions from wetland soils in the Liaohe Delta, China Inter-annual variability of area-scaled gaseous carbon emissions from wetland soils in the Liaohe Delta, China
Global management of wetlands to suppress greenhouse gas (GHG) emissions, facilitate carbon (C) sequestration, and reduce atmospheric CO2 concentrations while simultaneously promoting agricultural gains is paramount. However, studies that relate variability in CO2 and CH4 emissions at large spatial scales are limited. We investigated three-year emissions of soil CO2 and CH4 from the...
Authors
Siyuan Ye, Ken W. Krauss, Hans Brix, Mengjie Wei, Linda Olsson, Xueyang Yu, Yueying Ma, Jin Wang, Hongming Yuan, Guangming Zhao, Xigui Ding, Rebecca Moss
Processes contributing to resilience of coastal wetlands to sea-level rise Processes contributing to resilience of coastal wetlands to sea-level rise
The objectives of this study were to identify processes that contribute to resilience of coastal wetlands subject to rising sea levels and to determine whether the relative contribution of these processes varies across different wetland community types. We assessed the resilience of wetlands to sea-level rise along a transitional gradient from tidal freshwater forested wetland (TFFW) to...
Authors
Camille L. Stagg, Ken W. Krauss, Donald R. Cahoon, Nicole Cormier, William H. Conner, Christopher M. Swarzenski
Component greenhouse gas fluxes and radiative balance from two deltaic marshes in Louisiana: Pairing chamber techniques and eddy covariance Component greenhouse gas fluxes and radiative balance from two deltaic marshes in Louisiana: Pairing chamber techniques and eddy covariance
Coastal marshes take up atmospheric CO2 while emitting CO2, CH4, and N2O. This ability to sequester carbon (C) is much greater for wetlands on a per-area basis than from most ecosystems, facilitating scientific, political, and economic interest in their value as greenhouse gas sinks. However, the greenhouse gas balance of Gulf of Mexico wetlands is particularly understudied. We describe...
Authors
Ken W. Krauss, Guerry O. Holm, Brian C. Perez, David E. McWhorter, Nicole Cormier, Rebecca Moss, Darren Johnson, Scott C Neubauer, Richard C Raynie
Non-USGS Publications**
Kumara, M.P., L.P. Jayatissa, K.W. Krauss, D.H. Phillips, & M. Huxham. 2010. High mangrove density enhances surface accretion, surface elevation change, and tree survival in coastal areas susceptible to sea-level rise. Oecologia 164: 545-553.
Huxham, M., M. Kumara, L. Jayatissa, K.W. Krauss, J. Kairo, J. Langat, M. Mencuccini, M. Skov & B. Kirui. 2010. Intra and inter-specific facilitation in mangroves may increase resilience to climate change threats. Philosophical Transactions of the Royal Society of London B 365: 2127-2135.
Krauss, K.W. 2009. Mangrove energetics. Ecology 90: 3588-3589. [book review]
Krauss, K.W., C.E. Lovelock, K.L. McKee, L. López-Hoffman, S.M.L. Ewe & W.P. Sousa. 2008. Environmental drivers in mangrove establishment and early development: a review. Aquatic Botany 89: 105-127.
Conner, W.H., T.W. Doyle & K.W. Krauss, Eds., 2007. Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Krauss, K.W., J.L. Chambers & D. Creech. 2007. Selection for salt tolerance in tidal freshwater swamp species: advances using baldcypress as a model for restoration. Pages 385-410 in W.H. Conner, T.W. Doyle, K.W. Krauss (eds.), Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Conner W.H., K.W. Krauss & T.W. Doyle. 2007. Ecology of tidal freshwater forests in coastal deltaic Louisiana and northeastern South Carolina. Pages 223-253 in W.H. Conner, T.W. Doyle, K.W. Krauss (eds.), Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Conner, W.H., C.T. Hackney, K.W. Krauss & J.W. Day, Jr. 2007. Tidal freshwater forested wetlands: future research needs and an overview of restoration. Pages 461-485 in W.H. Conner, T.W. Doyle, K.W. Krauss (eds.), Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Gardiner, E.S. & K.W. Krauss. 2001. Photosynthetic light response of flooded cherrybark oak (Quercus pagoda) seedlings grown in two light regimes. Tree Physiology 21: 1103-1111.
Krauss, K.W., R.A. Goyer, J.A. Allen & J.L. Chambers. 2000. Tree shelters effective in coastal swamp restoration (Louisiana). Ecological Restoration18: 200-201.
Allen, J.A., K.W. Krauss, N.C. Duke, O. Björkman, D.R. Herbst & C. Shih. 2000. Bruguiera species in Hawai’i: systematic considerations and ecological implications. Pacific Science 54: 331-343.
Doyle, T.W. & K.W. Krauss. 1999. The sands and sambars of St. Vincent Island. Florida Wildlife 53: 22-25.
Krauss, K.W., J.L. Chambers & J.A. Allen. 1998. Salinity effects and differential germination of several half-sib families of baldcypress from different seed sources. New Forests 15: 53-68.
Allen, J.A., W.H. Conner, R.A. Goyer, J.L. Chambers & K.W. Krauss. 1998. Chapter 4: Freshwater forested wetlands and global climate change. Pages 33-44 in G.R. Guntenspergen and B.A Vairin (eds.), Vulnerability of coastal wetlands in the Southeastern United States: climate change research results, 1992-97. U.S. Geological Survey, Biological Resources Division Biological Science Report USGS/BRD/BSR-1998-0002. 101 p.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Filter Total Items: 19
Filter Total Items: 37
No Result Found
Filter Total Items: 195
Forested floristic quality index: An assessment tool for forested wetland habitats using the quality and quantity of woody vegetation at Coastwide Reference Monitoring System (CRMS) vegetation monitoring stations Forested floristic quality index: An assessment tool for forested wetland habitats using the quality and quantity of woody vegetation at Coastwide Reference Monitoring System (CRMS) vegetation monitoring stations
The U.S. Geological Survey, in cooperation with the Coastal Protection and Restoration Authority of Louisiana and the Coastal Wetlands Planning, Protection and Restoration Act, developed the Forested Floristic Quality Index (FFQI) for the Coastwide Reference Monitoring System (CRMS). The FFQI will help evaluate forested wetland sites on a continuum from severely degraded to healthy and...
Authors
William B. Wood, Gary P. Shaffer, Jenneke M. Visser, Ken W. Krauss, Sarai C. Piazza, Leigh Anne Sharp, Kari F. Cretini
Impacts of mangrove density on surface sediment accretion, belowground biomass and biogeochemistry in Puttalam Lagoon, Sri Lanka Impacts of mangrove density on surface sediment accretion, belowground biomass and biogeochemistry in Puttalam Lagoon, Sri Lanka
Understanding the effects of seedling density on sediment accretion, biogeochemistry and belowground biomass in mangrove systems can help explain ecological functioning and inform appropriate planting densities during restoration or climate change mitigation programs. The objectives of this study were to examine: 1) impacts of mangrove seedling density on surface sediment accretion...
Authors
D.H. Phillips, M.P. Kumara, L.P. Jayatissa, Ken W. Krauss, M. Huxham
Climatic controls on the global distribution, abundance, and species richness of mangrove forests Climatic controls on the global distribution, abundance, and species richness of mangrove forests
Mangrove forests are highly productive tidal saline wetland ecosystems found along sheltered tropical and subtropical coasts. Ecologists have long assumed that climatic drivers (i.e., temperature and rainfall regimes) govern the global distribution, structure, and function of mangrove forests. However, data constraints have hindered the quantification of direct climate-mangrove linkages...
Authors
Michael J. Osland, Laura C. Feher, Kereen Griffith, Kyle C. Cavanaugh, Nicholas M. Enwright, Richard H. Day, Camille L. Stagg, Ken W. Krauss, Rebecca J. Howard, James B. Grace, Kerrylee Rogers
Salinity influences on aboveground and belowground net primary productivity in tidal wetlands Salinity influences on aboveground and belowground net primary productivity in tidal wetlands
Tidal freshwater wetlands are one of the most vulnerable ecosystems to climate change and rising sea levels. However salinification within these systems is poorly understood, therefore, productivity (litterfall, woody biomass, and fine roots) were investigated on three forested tidal wetlands [(1) freshwater, (2) moderately saline, and (3) heavily salt-impacted] and a marsh along the...
Authors
Kathryn N. Pierfelice, B. Graeme Lockaby, Ken W. Krauss, William H. Conner, Gregory E. Noe, Matthew C. Ricker
Hydrologic modeling in a marsh-mangrove ecotone: Predicting wetland surface water and salinity response to restoration in the Ten Thousand Islands region of Florida, USA Hydrologic modeling in a marsh-mangrove ecotone: Predicting wetland surface water and salinity response to restoration in the Ten Thousand Islands region of Florida, USA
At the fringe of Everglades National Park in southwest Florida, United States, the Ten Thousand Islands National Wildlife Refuge (TTINWR) habitat has been heavily affected by the disruption of natural freshwater flow across the Tamiami Trail (U.S. Highway 41). As the Comprehensive Everglades Restoration Plan (CERP) proposes to restore the natural sheet flow from the Picayune Strand...
Authors
B.D. Michot, E.A. Meselhe, Ken W. Krauss, Surendra Shrestha, Andrew S. From, Eduardo Patino
Hydrologic restoration in a dynamic subtropical mangrove-to-marsh ecotone Hydrologic restoration in a dynamic subtropical mangrove-to-marsh ecotone
Extensive hydrologic modifications in coastal regions across the world have occurred to support infrastructure development, altering the function of many coastal wetlands. Wetland restoration success is dependent on the existence of hydrologic regimes that support development of appropriate soils and the growth and persistence of wetland vegetation. In Florida, United States, the...
Authors
Rebecca J. Howard, Richard H. Day, Ken W. Krauss, Andrew S. From, Larry K. Allain, Nicole Cormier
Greenhouse gas emissions from a created brackish marsh in eastern North Carolina Greenhouse gas emissions from a created brackish marsh in eastern North Carolina
Tidal marsh creation helps remediate global warming because tidal wetlands are especially proficient at sequestering carbon (C) in soils. However, greenhouse gas (GHG) losses can offset the climatic benefits gained from C storage depending on how these tidal marshes are constructed and managed. This study attempts to determine the GHG emissions from a 4–6 year old created brackish marsh...
Authors
Yo-Jin Shiau, Michael R. Burchell, Ken W. Krauss, François Birgand, Stephen W. Broome
Contemporary deposition and long-term accumulation of sediment and nutrients by tidal freshwater forested wetlands impacted by sea level rise Contemporary deposition and long-term accumulation of sediment and nutrients by tidal freshwater forested wetlands impacted by sea level rise
Contemporary deposition (artificial marker horizon, 3.5 years) and long-term accumulation rates (210Pb profiles, ~150 years) of sediment and associated carbon (C), nitrogen (N), and phosphorus (P) were measured in wetlands along the tidal Savannah and Waccamaw rivers in the southeastern USA. Four sites along each river spanned an upstream-to-downstream salinification gradient, from...
Authors
Gregory E. Noe, Cliff R. Hupp, Christopher E. Bernhardt, Ken W. Krauss
Hydrology of flooded and wetland forests Hydrology of flooded and wetland forests
In this chapter we will examine the hydrology of forested areas that are subject to soil saturation by rain, groundwater, or surface flooding. They include mangroves and other tidal forests, the forested portions of peatlands, and tree dominated wetlands defined by the Ramsar Convention (Mathews 1993). They also include estuarine tidal forests, palustrine forested wetlands, and the...
Authors
T. M. Williams, Ken W. Krauss, T. Okruszko
Inter-annual variability of area-scaled gaseous carbon emissions from wetland soils in the Liaohe Delta, China Inter-annual variability of area-scaled gaseous carbon emissions from wetland soils in the Liaohe Delta, China
Global management of wetlands to suppress greenhouse gas (GHG) emissions, facilitate carbon (C) sequestration, and reduce atmospheric CO2 concentrations while simultaneously promoting agricultural gains is paramount. However, studies that relate variability in CO2 and CH4 emissions at large spatial scales are limited. We investigated three-year emissions of soil CO2 and CH4 from the...
Authors
Siyuan Ye, Ken W. Krauss, Hans Brix, Mengjie Wei, Linda Olsson, Xueyang Yu, Yueying Ma, Jin Wang, Hongming Yuan, Guangming Zhao, Xigui Ding, Rebecca Moss
Processes contributing to resilience of coastal wetlands to sea-level rise Processes contributing to resilience of coastal wetlands to sea-level rise
The objectives of this study were to identify processes that contribute to resilience of coastal wetlands subject to rising sea levels and to determine whether the relative contribution of these processes varies across different wetland community types. We assessed the resilience of wetlands to sea-level rise along a transitional gradient from tidal freshwater forested wetland (TFFW) to...
Authors
Camille L. Stagg, Ken W. Krauss, Donald R. Cahoon, Nicole Cormier, William H. Conner, Christopher M. Swarzenski
Component greenhouse gas fluxes and radiative balance from two deltaic marshes in Louisiana: Pairing chamber techniques and eddy covariance Component greenhouse gas fluxes and radiative balance from two deltaic marshes in Louisiana: Pairing chamber techniques and eddy covariance
Coastal marshes take up atmospheric CO2 while emitting CO2, CH4, and N2O. This ability to sequester carbon (C) is much greater for wetlands on a per-area basis than from most ecosystems, facilitating scientific, political, and economic interest in their value as greenhouse gas sinks. However, the greenhouse gas balance of Gulf of Mexico wetlands is particularly understudied. We describe...
Authors
Ken W. Krauss, Guerry O. Holm, Brian C. Perez, David E. McWhorter, Nicole Cormier, Rebecca Moss, Darren Johnson, Scott C Neubauer, Richard C Raynie
Non-USGS Publications**
Kumara, M.P., L.P. Jayatissa, K.W. Krauss, D.H. Phillips, & M. Huxham. 2010. High mangrove density enhances surface accretion, surface elevation change, and tree survival in coastal areas susceptible to sea-level rise. Oecologia 164: 545-553.
Huxham, M., M. Kumara, L. Jayatissa, K.W. Krauss, J. Kairo, J. Langat, M. Mencuccini, M. Skov & B. Kirui. 2010. Intra and inter-specific facilitation in mangroves may increase resilience to climate change threats. Philosophical Transactions of the Royal Society of London B 365: 2127-2135.
Krauss, K.W. 2009. Mangrove energetics. Ecology 90: 3588-3589. [book review]
Krauss, K.W., C.E. Lovelock, K.L. McKee, L. López-Hoffman, S.M.L. Ewe & W.P. Sousa. 2008. Environmental drivers in mangrove establishment and early development: a review. Aquatic Botany 89: 105-127.
Conner, W.H., T.W. Doyle & K.W. Krauss, Eds., 2007. Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Krauss, K.W., J.L. Chambers & D. Creech. 2007. Selection for salt tolerance in tidal freshwater swamp species: advances using baldcypress as a model for restoration. Pages 385-410 in W.H. Conner, T.W. Doyle, K.W. Krauss (eds.), Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Conner W.H., K.W. Krauss & T.W. Doyle. 2007. Ecology of tidal freshwater forests in coastal deltaic Louisiana and northeastern South Carolina. Pages 223-253 in W.H. Conner, T.W. Doyle, K.W. Krauss (eds.), Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Conner, W.H., C.T. Hackney, K.W. Krauss & J.W. Day, Jr. 2007. Tidal freshwater forested wetlands: future research needs and an overview of restoration. Pages 461-485 in W.H. Conner, T.W. Doyle, K.W. Krauss (eds.), Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer. 505 p.
Gardiner, E.S. & K.W. Krauss. 2001. Photosynthetic light response of flooded cherrybark oak (Quercus pagoda) seedlings grown in two light regimes. Tree Physiology 21: 1103-1111.
Krauss, K.W., R.A. Goyer, J.A. Allen & J.L. Chambers. 2000. Tree shelters effective in coastal swamp restoration (Louisiana). Ecological Restoration18: 200-201.
Allen, J.A., K.W. Krauss, N.C. Duke, O. Björkman, D.R. Herbst & C. Shih. 2000. Bruguiera species in Hawai’i: systematic considerations and ecological implications. Pacific Science 54: 331-343.
Doyle, T.W. & K.W. Krauss. 1999. The sands and sambars of St. Vincent Island. Florida Wildlife 53: 22-25.
Krauss, K.W., J.L. Chambers & J.A. Allen. 1998. Salinity effects and differential germination of several half-sib families of baldcypress from different seed sources. New Forests 15: 53-68.
Allen, J.A., W.H. Conner, R.A. Goyer, J.L. Chambers & K.W. Krauss. 1998. Chapter 4: Freshwater forested wetlands and global climate change. Pages 33-44 in G.R. Guntenspergen and B.A Vairin (eds.), Vulnerability of coastal wetlands in the Southeastern United States: climate change research results, 1992-97. U.S. Geological Survey, Biological Resources Division Biological Science Report USGS/BRD/BSR-1998-0002. 101 p.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.