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Records 1 to 25 of 68 records from author Roxanne Johnson

2020
Pimenta, A., Rick McKinney, Alana Hanson, R. Johnson, D. Cobb, J. Janiec, AND A. Oczkowski. Water quality data for Narragansett Bay, RI (USA) from 2014 to 2018. U.S. Environmental Protection Agency, Washington, DC, 2020.
2019
Mckinney, Rick, Alana Hanson, Roxannel Johnson, AND M. Charpentier. Seasonal variation in apparent conductivity and soil salinity at two Narragansett Bay, RI salt marshes. PeerJ. PeerJ Inc., Corte Madera, CA, 7:e8074, (2019). https://doi.org/10.7717/peerj.8074
2018
Oczkowski, A., B. Taplin, R. Pruell, A. Pimenta, Roxannel Johnson, AND J. Grear. Carbon Stable Isotope Values in Plankton and Mussels Reflect Changes in Carbonate Chemistry Associated with Nutrient Enhanced Net Production. Frontiers in Marine Science. Frontiers, Lausanne, Switzerland, 5(43):1-15, (2018).
Wigand, C., E. Watson, R. Martin, D. Johnson, S. Warren, Alana Hanson, E. Davey, Roxannel Johnson, AND L. Deegan. Discontinuities in soil strength contribute to destabilization of nutrient-enriched creeks. Ecosphere. ESA Journals, 9(8):e02329, (2018). https://doi.org/10.1002/ecs2.2329
Davey, E., Roxannel Johnson, AND K. Perez. HISTORIC ECOLOGICAL INVESTIGATIONS OF ESTUARIES FROM NEW BEDFORD TO THE WEST BRANCH OF THE WESTPORT. New England Estuarine Research Society (NEERS) Fall Meeting, New Bedford, Mass, October 25 - 27, 2018.
2017
Pelletier, M., K. Ho, M. Cantwell, M. Perron, K. Rocha, R. Burgess, R. Johnson, K. Perez, J. Cardin, AND M. Charpentier. Diagnosis of potential stressors adversely affecting benthic invertebrate communities in Greenwich Bay, Rhode Island, USA. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, 36(2):449-462, (2017).
Wigand, C., E. Watson, R. Martin, E. Davey, Roxannel Johnson, Alana Hanson, D. Johnson, S. Warren, AND L. Deegan. Marsh soil responses to tidal water nitrogen additions contribute to creek bank fracturing and slumping. Coastal and Estuarine Research Federation (CERF) 24th Biennial International Meeting, Providence, RI, November 05 - 09, 2017.
Mckinney, Rick, Alana Hanson, Roxannel Johnson, AND M. Charpentier. Seasonal variation in apparent conductivity and soil salinity at two Narragansett Bay salt marshes. Coastal & Estuarine Research Federation (CERF) 24th Biennial Conference, Providence, Rhode Island, November 05 - 09, 2017.
2016
Oczkowski, A., C. Wigand, Alana Hanson, E. Markham, K. Miller, AND Roxannel Johnson. Nitrogen retention in salt marsh systems across nutrient-enrichment, elevation, and precipitation regimes: a multiple stressor experiment. Estuaries and Coasts. Estuarine Research Federation, Port Republic, MD, 39(1):68-81, (2016).
Hanson, Alana, R. Johnson, C. Wigand, A. Oczkowski, E. Davey, AND E. Markham. Responses of Spartina alterniflora to Multiple Stressors: Changing Precipitation Patterns, Accelerated Sea Level Rise, and Nutrient Enrichment. Estuaries and Coasts. Estuarine Research Federation, Port Republic, MD, 39(5):1376-1385, (2016).
Wigand, C., K. Sundberg, Alana Hanson, E. Davey, Roxannel Johnson, E. Watson, AND J. Morris. Varying Inundation Regimes Differentially Affect Natural and Sand-Amended Marsh Sediments. PLOS ONE . Public Library of Science, San Francisco, CA, 11(10):e0164956, (2016).
2015
Wigand, C., E. Davey, R. Johnson, K. Sundberg, J. Morris, P. Kenny, E. Smith, AND M. Holt. Nutrient Effects on Belowground Organic Matter in a Minerogenic Salt Marsh, North Inlet, SC. Estuaries and Coasts. Estuarine Research Federation, Port Republic, MD, 38(6):1838-1853, (2015).
2014
Wigand, C., C. Roman, E. Davey, M. Stolt, R. Johnson, Alana Hanson, E. Watson, S. Moran, D. Cahoon, J. Lynch, AND P. Rafferty. Below the Disappearing Marshes of an Urban Estuary: Historic Nitrogen Trends and Soil Structure. ECOLOGICAL APPLICATIONS. Ecological Society of America, Ithaca, NY, 24(4):633-649, (2014).
Watson, Elizabeth B., Autumn J. Oczkowski, C. Wigand, Alana R. Hanson, Earl W. Davey, S. Crosby, Roxanne L. Johnson, AND H. Andrews. Nutrient enrichment and precipitation changes do not enhance resiliency of salt marshes to sea level rise in the Northeastern U.S. CLIMATIC CHANGE. Springer, New York, NY, 125:501-509, (2014).
Watson, E., A. Oczkowski, C. Wigand, Alana Hanson, E. Davey, S. Crosby, AND Roxannel Johnson. Vulnerability of Northeastern U.S. Salt Marshes to Climatic and Anthropogenic Stressors. Presented at The Northeastern Natural History Conference, Springfield, MA, April 07 - 09, 2014.
Watson, E., A. Oczkowski, C. Wigand, Alana Hanson, E. Davey, S. Crosby, AND Roxannel Johnson. Vulnerability of Northeastern U.S. Salt Marshes to Climatic and Anthropogenic Stressors (AGU). American Geophysical Union Fall Meeting, San Francisco, CA, December 15 - 19, 2014.
2013
WIGAND, C., Alana Hanson, Roxannel Johnson, A. Oczkowski, E. Watson, E. Davey, E. Markham, AND S. Corman. Response of Spartina Alterniflora to Sea Level Rise, Changing Precipitation Patterns, and Eutrophication. Presented at New England Estuarine Research Society (NEERS) Spring Meeting, Portland, ME, April 11 - 14, 2013.
Hanson, Alana, C. Wigand, R. Johnson, A. Oczkowski, E. Watson, E. Davey, AND E. Markham. The Response of Spartina Alterniflora to Multiple Stressors of Eutrophication, Precipitation Changes, and Sea Level Rise. Presented at Coastal and Estuarine Research Federation (CERF) 22nd Biennial Conference, San Diego, CA, November 03 - 07, 2013.
2012
Wigand, C., E. Watson, E. Davey, Roxannel Johnson, C. Roman, N. Maher, S. Warren, D. Johnson, AND L. Deegan. Changes in Belowground Roots, Rhizomes, and Respiration in Coastal Wetlands in Urbanized Northeastern USA Estuaries. Presented at Coastal and Estuarine Research Federation (CERF) 2012 International Conference, November 11 - 14, 2012.
HO, K. T., M. C. PELLETIER, D. E. CAMPBELL, R. M. BURGESS, R. L. JOHNSON, AND K. J. ROCHA. Diagnosis of Potential Stressors Adversely Affecting Benthic Communities in New Bedford Harbor, MA (USA). Integrated Environmental Assessment and Management. Allen Press, Inc., Lawrence, KS, 8(4):685-702, (2012).
2011
DAVEY, E. W., C. WIGAND, R. L. JOHNSON, A. HANSON, C. ROMAN, AND N. MAHER. Application of Computer-Aided Tomography (CT) Technology to Visually Compare Belowground Components of Salt Marshes in Jamaica Bay and Long Island, New York. Presented at New England Estuarine Research Society Spring Meeting, Port Jefferson, NY, May 05 - 07, 2011.
OCZKOWSKI, A., C. WIGAND, E. MARKHAM, ALANA HANSON, E. W. DAVEY, AND R. L. JOHNSON. Climate Change and Extreme Weather Impacts on Salt Marsh Plants. Presented at Coastal and Estuarine Research Federation (CERF) 21st Biennial Conference. Societies, Estuaries and Coasts: Adapting to Change, Daytona Beach, FL, November 06 - 10, 2011.
WIGAND, C., C. ROMAN, E. W. DAVEY, R. L. JOHNSON, ALANA HANSON, M. STOLT, AND B. MORAN. Contribution of Cultural Eutrophication to Marsh Loss in Jamaica Bay (NY). Presented at Coastal and Estuarine Research Federation (CERF) 21st Biennial Conference. Societies, Estuaries and Coasts: Adapting to Change, Daytona Beach, FL, November 06 - 10, 2011.
WIGAND, C., B. Carlisle, J. Smith, M. Carullo, D. Fillis, M. A. CHARPENTIER, R. A. MCKINNEY, R. L. JOHNSON, AND J. HELTSHE. Development and Validation of Rapid Assessment Indices of Condition for Coastal for Coastal Wetlands in Southern New England, USA. ENVIRONMENTAL MONITORING AND ASSESSMENT. Springer, New York, NY, 182(1-4):31-46, (2011).
JOHNSON, R. L., C. WIGAND, ALANA HANSON, E. W. DAVEY, A. OCZKOWSKI, AND E. MARKHAM. Preliminary Results from a Mesocosm Marsh Experiment with Treatments Simulating Three Tidal Flooding and Precipitation Conditions. Presented at Coastal and Estuarine Research Federation (CERF) 21st Biennial Conference. Societies, Estuaries and Coasts: Adapting to Change, Daytona Beach, FL, November 06 - 10, 2011.