gregmurphy_bio

Quote To Live By: “Perfection is not attainable, but if we chase perfection we can catch excellence.” –Vince Lombardi

Expertise

  • Fisheries Biology, Ecology & Management
  • Mercury Bioaccumulation Dynamics
  • Ecological Risk Assessment
  • Natural Resource Damage Assessment
  • Threatened & Endangered Species
  • Surface Water, Pore Water, Sediment & Fish Tissue Investigations

  • Full Profile

    Greg Murphy is an ecologist and Certified Fisheries Professional with over 16 years of diversified experience working in freshwater and estuarine ecosystems throughout the mid-Atlantic and northeastern U.S. for multiple regulatory agencies and consulting firms. Much of his experience has focused on the biology, ecology, and management of freshwater and estuarine fishes and mercury bioaccumulation dynamics in aquatic food webs. His experiences have included studies on state and federally listed fish species and close collaboration with a host of state and federal regulatory agencies, academic institutions, and other vested stakeholder groups. Greg has experience designing, implementing, and managing a range of complex studies in both inland and estuarine systems and is experienced in the statistical analysis and technical reporting of this information. 

    Education

    • Master of Science, Fisheries & Wildlife Sciences, Virginia Tech, 2004
    • Bachelor of Science, Environmental Science, Major: Fisheries, Unity College, 2001

    Certifications and Training

    • Certified Fisheries Professional, American Fisheries Society, 2010-present
    • Boating Safety Education Certification, PA Fish & Boat Commission, 2015
    • OSHA HAZWOPER 40-Hour Site Worker, PSTS, Inc., 2007
    • NASBLA Basic Boating & Water Safety Certification, DE Division of Fish & Wildlife, 2005
    • Principles & Practices of Group Facilitation, Atlantic States Marine Fisheries Commission, 2016
    • Introduction to Stock Assessment, Atlantic States Marine Fisheries Commission, 2013
    • Water Safety Training for Professionals, PA Fish & Boat Commission, 2012
    • Introduction to Crystal Ball, Oracle, 2008
    • Advanced Crystal Ball, Oracle, 2008
    • Acoustic Doppler Current Profiler & Velocimeter Training, Fondriest Environmental, 2007
    • Introductory Stock Assessment Training, Atlantic States Marine Fisheries Commission, 2006

    Key Experience

    Fisheries Biology, Ecology & Management

    Commonwealth of Pennsylvania & State of Delaware

    Project Manager

    Managed federally mandated assessments of the Delaware River Striped Bass spawning stock, including the evaluation of population characteristics and trends in coastal migratory patterns and exploitation for the Pennsylvania Fish and Boat Commission and Delaware Division of Fish and Wildlife.

    Commonwealth of Pennsylvania

    Technical Lead

    Led fish population and community assessments throughout southeastern Pennsylvania to assess population and community characteristics and trends, assist in the establishment of water quality criteria, such as qualifying for enhanced regulatory protection through Pennsylvania Code, Chapter 93, Water Quality Standards, and support statewide fisheries management programs for the Pennsylvania Fish and Boat Commission.

    Commonwealth of Pennsylvania

    Technical Support

    Served as alternate representative for the Commonwealth of Pennsylvania on the Atlantic States Marine Fisheries Commission Striped Bass and American Eel Technical Committees.

    Former Textile Manufacturing Facility, VA

    Technical Lead

    Led fish population and community assessments designed to assist with the evaluation of mercury bioaccumulation dynamics in the aquatic food web and potential natural resource injury to the warm-water fishery in a mercury-impacted river.

    State of Delaware

    Technical Support

    Supported fish population and community assessments throughout Delaware’s inland and tidal systems to assess population characteristics and trends and support statewide fisheries management programs for the Delaware Division of Fish and Wildlife.

    State of Delaware

    Technical Lead

    Led a comprehensive ecological assessment of Brandywine Creek prior to proposed dam removals, including evaluations of fish populations and communities, benthic macroinvertebrate communities, and aquatic habitats for the Delaware Division of Fish and Wildlife.

    State of Delaware

    Technical Support

    Supported the river herring monitoring and assessment program for the Delaware Division of Fish and Wildlife.

    Hydroelectric Utility, ME

    Technical Support

    Supported the river herring and American Shad restoration program in the Kennebec River Basin.

    Mercury Bioaccumulation Dynamics

    Former Textile Manufacturing Facility, VA

    Technical Lead

    Led multiple in situ studies designed to assess mercury uptake by primary and secondary consumers in the aquatic food web of a mercury-impacted river.

    Former Textile Manufacturing Facility, VA

    Technical Lead

    Led study designed to assess mercury in emergent aquatic insects to assist with potential exposure pathways to terrestrial receptors along a mercury-impacted river.

    Former Textile Manufacturing Facility, VA

    Technical Lead

    Led innovative, non-lethal study designed to assess and monitor mercury concentrations in bass from a mercury-impacted river.

    Former Textile Manufacturing Facility, VA

    Technical Lead

    Led application of a bioaccumulation model to simulate mercury bioaccumulation dynamics in the fish community of a mercury-impacted river and assist in the evaluation of potential remedial options.

    Former Textile Manufacturing Facility, VA

    Technical Support

    Supported remedial options study designed to assess the efficacy of biochar at reducing mercury bioavailability in floodplain ponds along a mercury-impacted river.

    Former Textile Manufacturing Facility, VA

    Technical Lead

    Led the assessment of mercury uptake and relationship to food habits of fishes in a mercury-impacted river, including the evaluation of trophic dynamics, mercury in prey items, mercury bioaccumulation dynamics using a bioenergetics-based bioaccumulation model, and sexual and seasonal variations of mercury in muscle tissue.

    Ecological Risk Assessment

    Chemical Manufacturing Facilities, DE & NJ

    Technical Lead

    Led development of an environmental geodatabase and watershed scale ecological risk assessment for the Delaware Estuary using an innovative approach based on the Relative Risk Model framework.

    Former Textile Manufacturing Facility, VA

    Technical Support

    Supported a baseline ecological risk assessment of a 120-mile mercury-impacted segment of river, including comprehensive baseline monitoring of surface water, sediment, pore water, soil, and biological tissue.

    Chemical Manufacturing Facility, NJ

    Technical Support

    Supported the implementation of studies to support a multi-phase ecological risk assessment of a complex, 1,500-acre industrial site on the tidal Delaware River. On-site investigations included the evaluation of ecological exposure to metals, site-specific organic compounds, PCBs, and PAHs in soils, sediments, and surface water.

    Chemical Manufacturing Facility, NJ

    Technical Support

    Supported the design and implementation of sediment and surface water quality studies to characterize site-related constituents along approximately 2.6-miles of the tidal Delaware River adjacent to a complex, 1,500-acre industrial site. The sediment and surface water sampling program successfully characterized the nature and extent of metals, volatile- and semi-volatile organic compounds, and PCB congeners adjacent to the site and focused future investigations to select, spatially-limited areas of concern.

    Natural Resource Damage Assessment

    Former Textile Manufacturing Facility, VA

    Technical Lead

    Led the assessment of potential natural resource injury to the warm-water fishery within a mercury-impacted river and supported the assessment of potential natural resource injury associated with sediments, which included the evaluation of mercury-associated effects on benthic invertebrate receptors based on sediment toxicity, sediment, pore water, and benthic community studies.

    Threatened & Endangered Species

    Commonwealth of Pennsylvania & State of Delaware

    Technical Lead

    Represented the Commonwealth of Pennsylvania and State of Delaware on the Atlantic States Marine Fisheries Commission Atlantic Sturgeon Technical Committee and served as regional expert for the federal status review on Atlantic Sturgeon.

    Commonwealth of Pennsylvania

    Technical Support

    Supported the collection and documentation of threatened and endangered fish species in southeastern Pennsylvania for the Pennsylvania Fish and Boat Commission.

    State of Delaware

    Project Manager

    Managed study designed to evaluate population characteristics, trends in coastal migratory patterns and exploitation, and critical habitats of Atlantic Sturgeon in the Delaware Estuary for the Delaware Division of Fish and Wildlife. Project included National Marine Fisheries Service permit for scientific research on listed species, including National Environmental Policy Act documentation.

    State of Maine

    Technical Support

    Supported the Maine Atlantic Salmon Restoration Program by conducting fish population and instream habitat assessments for the Maine Atlantic Salmon Commission.

    Surface Water, Pore Water, Sediment & Fish Tissue Investigations

    Commonwealth of Pennsylvania

    Technical Support

    Supported the Pennsylvania Department of Environmental Protection’s fish tissue monitoring program by providing strategic sampling guidance and assisting with sample collection and processing.

    Battery Recycling Facility, PA

    Technical Support

    Supported development of a lead translator study by characterizing local meteorological conditions, streamflow, and lead concentrations in a tributary of the Schuylkill River to assist in the evaluation of stormwater runoff control measures.

    Former Textile Manufacturing Facility, VA

    Technical Support

    Supported a mercury loading study by characterizing streamflow conditions and mercury concentrations in multiple tributaries of a mercury-impacted river during episodic storm events.

    Former Textile Manufacturing Facility, VA

    Technical Support

    Supported a benthic flux chamber study designed to evaluate methylmercury flux in depositional and gravel substrates in a mercury-impacted river.

    State of Delaware

    Technical Support

    Supported the Delaware Department of Natural Resources and Environmental Control’s Toxics in Biota Fish Tissue Sampling Program by assisting with the development of the sampling program and sample collection.

    State of Delaware

    Technical Support

    Supported emergency oil response efforts along the tidal Delaware River by providing technical oversight of biological aspects of the effort.

    Multiple Industrial Clients, ME

    Technical Support

    Supported National Pollutant Discharge Elimination System (NPDES) permitting and compliance including bioassay testing, benthic macroinvertebrate community assessments, analytical laboratory analyses, and on-site wastewater treatment plant operation for various industrial clients, such as pulp and paper mills, textile manufacturing facilities, and sewage treatment plants.

    Publications and Presentations

    Brown, J.J. and G.W. Murphy. 2010. Atlantic Sturgeon vessel-strike mortalities in the Delaware Estuary. Fisheries 35(2):72-83.

    Murphy, G.W., T.J. Newcomb, and D.J. Orth. 2007. Sexual and seasonal variations of mercury in Smallmouth Bass. Journal of Freshwater Ecology 22(1):135-143.

    Murphy, G.W., T.J. Newcomb, D.J. Orth, and S.J. Reeser. 2005. Food habits of selected fish species in the Shenandoah River Basin, Virginia. Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies 59:325-335.

    Collins, J., G. Murphy, and J.R. Flanders. 2011. A non-lethal approach to assess and monitor mercury concentrations in black basses from a mercury impacted stream in the Shenandoah Valley, Virginia. The Society of Environmental Toxicology and Chemistry 32nd Annual Meeting in North America. November 13-17. Boston, MA. (Poster)

    Flanders, J.R., B. Reese, G. Murphy, and R. Stahl, Jr. 2011. In situ mercury uptake by aquatic invertebrates in the South River, Virginia. The Society of Environmental Toxicology and Chemistry 32nd Annual Meeting in North America. November 13-17. Boston, MA.

    Murphy, G., T. Morrison, B. Baker, V. Pellerito, R. Stahl, and R. Hoke. 2011. Application of a Relative Risk Model for natural resource assessment in the Delaware Estuary. Delaware Estuary Science and Environmental Summit. January 30-February 2. Cape May, NJ.

    Murphy, G.W., T.W. Morrison, and R.G. Stahl. 2010. Application of a bioaccumulation model for methylmercury in fish communities of the South River, Virginia. The Society of Environmental Toxicology and Chemistry 31st Annual Meeting in North America. November 7-11. Portland, OR.

    Murphy, G.W., T.W. Morrison, and R.G. Stahl. 2009. Investigation of feeding mechanisms and mercury uptake in Corbicula fluminea along a mercury gradient in the South River, VA. The Society of Environmental Toxicology and Chemistry 30th Annual Meeting in North America. November 19-23. New Orleans, LA.

    Murphy, G., T. Morrison, B. Baker, V. Pellerito, A. DeSantis, R. Hoke, and R. Stahl, Jr. 2009. Development of a regional scale ecological risk assessment for the Delaware Estuary. The Society of Environmental Toxicology and Chemistry 30th Annual Meeting in North America. November 19-23. New Orleans, LA. (Poster)

    Brown, J.J. and G.W. Murphy. 2009. Atlantic Sturgeon vessel-strike mortalities in the Delaware Estuary. 1st Symposium on Atlantic Sturgeon. Seaboard Fisheries Institute. February 23-25. Newark, DE.

    Murphy, G., T. Morrison, B. Baker, V. Pellerito, A. DeSantis, R. Hoke, and R. Stahl, Jr. 2009. A watershed-level tool for assessing ecological conditions in the Delaware Estuary. Delaware Estuary Science Conference and Environmental Summit. January 11-14. Cape May, NJ.

    Flanders, J.R., T.W. Morrison, G. Murphy, J. Dyer, and R. Stahl, Jr. 2008. Loading analysis reveals sources of inorganic mercury and methylmercury in the South River watershed. The Society of Environmental Toxicology and Chemistry 29th Annual Meeting in North America. November 16-20. Tampa, FL.

    Murphy, G., T. Morrison, and B. Baker. 2008. The Delaware Estuary database. 24th Annual Meeting of the Society of Environmental Toxicology and Chemistry Hudson-Delaware Chapter. May 8-9. South Orange, NJ.

    Murphy, G.W., T.J. Newcomb, D.J. Orth, and R.G. Stahl. 2004. Bioaccumulation dynamics of methylmercury in fish communities of the Shenandoah River Basin, Virginia. The Society of Environmental Toxicology and Chemistry 25th Annual Meeting in North America. November 15. Portland, OR.

    Murphy, G.W., T.J. Newcomb, and D.J. Orth. 2004. Uptake of mercury and relationship to fish food habits. 134th Meeting of the American Fisheries Society. August 25. Madison, WI.

    Murphy, G.W., T.J. Newcomb, and D.J. Orth. 2004. Sexual and seasonal variations in concentrations of mercury in Smallmouth Bass Micropterus dolomieu. 60th Annual Northeast Fish and Wildlife Conference. April 26. Ocean City, MD.

    Murphy, G.W., T.J. Newcomb, and D.J. Orth. 2004. Sexual and seasonal variations in concentrations of mercury in Smallmouth Bass Micropterus dolomieu. Virginia Chapter of the American Fisheries Society Annual Meeting. March 18. Lexington, VA.

    Murphy, G.W., T.J. Newcomb, and D.J. Orth. 2003. Sexual and seasonal variations of mercury in Smallmouth Bass (Micropterus dolomieu) from the South Fork Shenandoah River, Virginia. Annual Meeting of the Virginia Academy of Science. May 29. Charlottesville, VA.