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See all EPA publications for Walter Nelson Include records from any EPA source

Records 51 to 75 of 104 records from [ORD-NHEERL] from author Walter Nelson

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2009

LAMBERSON, J. O., M. Frazier, W. G. NELSON, AND H. LEE, II. Estuarine intertidal habitat use by birds in a Pacific Northwest coastal estuary. Presented at Pacific Estuarine Research Society annual meeting, Bellingham, WA, April 02 - 05, 2009.

LAMBERSON, J. O., M. R. FRAZIER, W. G. NELSON, AND H. LEE, II. Intertidal estuarine habitat utilization by birds in a Pacific Northwest coastal estuary. Presented at Coastal and Estuarine Research Federation 20th Biennial Conference, Portland, OR, November 01 - 05, 2009.

NELSON, W. G. Seagrasses and Protective Criteria: A Review and Assessment of Research Status. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-09/050 (NTIS PB2010-104708), 2009.

LEE, II, H., M. R. FRAZIER, D. REUSSER, W. G. NELSON, M. Dutch, AND K. Welch. Using a RIVPACS model to predict expected macrofaunal species richness in Puget Sound. Presented at Marine Bioinvasions Conference, Portland, OR, August 24 - 27, 2009.

2008

BROWN, C. A., W. G. NELSON, J. E. KALDY, III, P. M. ELDRIDGE, B. L. BOESE, T. H. DEWITT, H. LEE, II, J. H. POWER, AND D. R. YOUNG. An approach to developing nutrient criteria for Pacific Northwest Estuaries: A case study. Presented at Presentation for OW/ORD Seminar Series, Washington, DC, October 15, 2008.

LEE, II, H., D. REUSSER, W. G. NELSON, AND J. O. LAMBERSON. Changes in latitude, changes in attitude - emerging biogeographic patterns of invasion in the Northeast Pacific. Presented at 17th Annual PICES International meeting, Dalian, CHINA, October 23 - 31, 2008.

NELSON, W. G., H. LEE, II, J. O. LAMBERSON, F. A. COLE, C. L. WEILHOEFER, AND P. J. CLINTON. Condition assessment of tidal wetlands of Washington, Oregon and California. Presented at 4th National Conference on Coastal and Estuarine Habitat Restoration, Providence, RI, October 11 - 15, 2008.

NELSON, W. G., H. LEE, J. O. LAMBERSON, F. A. COLE, C. L. WEILHOEFER, AND P. J. CLINTON. Condition of Tidal Wetlands of Washington, Oregon and California - 2002. U.S. Environmental Protection Agency, Washington, DC, EPA/620/R-07/002, 2007.

NELSON, W. G., J. L. Hyland, H. LEE, C. L. Cooksey, J. O. LAMBERSON, F. A. COLE, AND P. J. CLINTON. Ecological Condition of Coastal Ocean Waters along the U.S. Western Continental Shelf: 2003. U.S. Environmental Protection Agency, Washington, DC, EPA/620/R-08/001 (NTIS PB2009-104758), 2008.

LAMBERSON, J. O. AND W. G. NELSON. Estuarine habitat utilization by birds in Yaquina Estuary, Oregon. Presented at Pacific Estuarine Research Society Meeting, Newport, OR, February 28 - March 01, 2008.

LAMBERSON, J. O., M. R. FRAZIER, H. LEE, II, AND W. G. NELSON. Patterns of intertidal habitat use by birds in an Oregon Coastal Estuary. Presented at 32nd Annual Waterbird Society Meeting, South Padre Uskabd, TX, November 05 - 08, 2008.

NELSON, W. G. AND C. A. BROWN. Use of probability based sampling of water quality indicators in supporting water quality criteria development - 2/28/08. Presented at Pacific Estuarine Research Society 2008 Meeting, Newport, OR, February 28 - March 01, 2008.

WEILHOEFER, C. L. AND W. G. NELSON. Using intensive indicators of wetland condition to evaluate a rapid assessment methodology in Oregon tidal wetlands. Presented at Society of Wetland Scientists Annual Meeting, Washington, DC, May 26 - 30, 2008.

2007

LAMBERSON, J. O., H. LEE, II, AND W. G. NELSON. A PROBABILISTIC SURVEY OF FISH TISSUE CONTAMINATION FROM THE CONTINENTAL SHELF OF THE US WEST COAST. Presented at Estuarine Research Federation, Providence, RI, November 04 - 08, 2007.

BROWN, C. A., W. G. NELSON, B. L. BOESE, T. H. DEWITT, P. M. ELDRIDGE, J. E. KALDY, III, H. LEE, II, J. H. POWER, AND D. R. YOUNG. AN APPROACH TO DEVELOPING NUTRIENT CRITERIA FOR PACIFIC NORTHWEST ESTUARIES: A CASE STUDY OF YAQUINA ESTUARY, OREGON. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-07/046 (NTIS PB2008-109810), 2007.

NELSON, W. G., R. BROCK, H. LEE, II, J. O. LAMBERSON, AND F. A. COLE. CONDITION OF ESTUARIES AND BAYS OF HAWAII FOR 2002: A STATISTICAL SUMMARY. U.S. Environmental Protection Agency, Washington, DC, EPA/620/R-07/001 (NTIS PB2007-107910), 2007.

NELSON, W. G. CONTROLS OF SEAGRASS EPIPHYTE ABUNDANCE: DOES LIGHT TRUMP NUTRIENTS? Presented at Benthic Ecology Meeting, Atlanta, GA, March 21 - 25, 2007.

NELSON, W. G., C. A. BROWN, B. L. BOESE, T. H. DEWITT, P. M. ELDRIDGE, J. E. KALDY, III, H. LEE, II, J. H. POWER, AND D. R. YOUNG. DEVELOPING NUTRIENT CRIETERIA FOR ESTUARIES WITH VARIABLE OCEAN INPUTS: AN EXAMPLE FROM THE PACIFIC NORTHWEST. Presented at Estuarine Research Federation 2007, Providence, RI, November 04 - 08, 2007.

HARWELL, L. C., L. M. SMITH, AND W. G. NELSON. NATIONAL COASTAL ASSESSMENT: ISLAND STYLE. Presented at 2007 Estuarine Research Federation Meeting, Providence, RI, November 04 - 08, 2007.

NELSON, W. G. AND C. A. BROWN. USE OF PROBABILITY BASED SAMPLING OF WATER QUALITY INDICATORS IN SUPPORTING WATER QUALITY CRITERIA DEVELOPMENT. Presented at ICES Conference, Environmental Indicators: Utility in Meeting Regulatory Needs, London, UK, November 20 - 23, 2007.

2006

HAYSLIP, G., L. EDMOND, V. PARTRIDGE, W. G. NELSON, H. LEE, F. A. COLE, J. O. LAMBERSON, AND L. CATON. ECOLOGICAL CONDITION OF THE ESTUARIES OF OREGON AND WASHINGTON. U.S. Environmental Protection Agency, Washington, DC, EPA 910-R-06-001, 2006.

LAMBERSON, J. O., H. LEE, II, AND W. G. NELSON. PROBABILISTIC SURVEY OF FISH TISSUE CONTAMINATION IN WEST COAST ESTUARIES AND COASTAL WATERS: RESULTS FROM THE NATIONAL COASTAL ASSESSMENT 1999-2003. Presented at Pacific Estuarine Research Federation, Friday Harbor, WA, February 14 - 19, 2006.

NELSON, W. G. U.S. EPA NATIONAL COASTAL ASSESSMENT: PROVIDING A REGIONAL CONTEXT FOR ESTUARINE NUTRIENT CRITERIA. Presented at Region 10 Nutrients Technical Advisory Group, Seattle, WA, July 18 - 19, 2006.

BROWN, C. A. AND W. G. NELSON. YAQUINA ESTUARY NUTRIENT CRITERIA CASE STUDY: GUIDANCE FOR DEVELOPING NUTRIENT CRITERIA IN THE PACIFIC NORTHWEST. Presented at Briefing to OST on NHEERL Estuarine Nutrient Case Studies, Washington, DC, December 21, 2006.

2005

LAMBERSON, J. O., W. G. NELSON, AND H. LEE. A PROBABILISTIC SURVEY OF FISH TISSUE CONTAMINATION IN WEST COAST ESTUARIES: RESULTS FROM THE NATIONAL COASTAL ASSESSMENT 1999-2003. Presented at Estuarine Research Society Meeting, Norfolk, VA, October 16 - 20, 2005.