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Assessment Studies

The Hudson River Natural Resource Damages unit has a number of studies which have been completed or which are under consideration:

Avian Studies

Fact Sheets:

Spring 2002 Fact Sheet (PDF) (61 KB) on the Status of the Hudson River Natural Resource Damages Assessment
Preliminary Investigations of Bird Injuries
December 2006 Fact Sheet (PDF version, 68 KB) Avian Investigations for the Hudson River Natural Resource Damages Assessment

Screening Level Studies:

Polychlorinated Biphenyls, Organochlorine Pesticide, Dioxins and Furans in Bald Eagle Egg and Blood Samples from the Hudson River, New York: 2005 (PDF) (2.14 MB) Tables & Figures (PDF) (2.12 MB)

Polychlorinated Biphenyls and Organochlorine Pesticides in Bald Eagle Blood and Egg Samples from the Hudson River, New York: 2003 (PDF) (3.80 MB)

Polychlorinated Biphenyls and Organochlorine Pesticides in Bald Eagles and Fish from the Hudson River, New York, Sampled 1999-2001: 2003 (PDF) (3.64 MB)

Organochlorine Contaminants in Bald Eagles: 2000 (PDF) (4.77 MB)

Organochlorine Contaminants in Biota from the Hudson River, New York: 2000 (PDF) (2.14 MB)

Congener-Specific Analysis of Polychlorinated Biphenyl Residues in Tree Swallow Chicks, Eggs and Other Biota from the Hudson River, W.U. 30096: 1996 (PDF) (3.42 MB)

Data Report For The Collection Of Eggs From Spotted Sandpipers, American Woodcock, Belted Kingfisher, American Robin, Red-Winged Blackbird, And Eastern Phoebe Associated With The Hudson River From Hudson Falls To Schodack Island, New York.

Work Summary And Data Report for the Collection Of Eggs From American Peregrine Falcon, Hudson River, New York.
May, June 2002 Data Report (268 KB)

The Collection Of Eggs From Eastern Screech Owl Associated With The Hudson River From Hudson Falls To Schodack Island, New York
April-May 2003 Data Report (833 KB)

Injury Investigations with USGS:

Avian Investigations For The Hudson River Hudson River Natural Resource June 15, 2004

  • Study Plan For Year 2004 (1.43 MB)
  • Appendix A (1.14 MB) This appendix is available on request in hardcopy or can be obtained as part of the complete document from the USFWS or NOAA websites. ( please see links leaving DEC's website on the right side of this page).
  • Appendix A - Technical Operating Procedures (565 KB) This appendix is available on request in hardcopy or can be obtained as part of the complete document from the USFWS or NOAA websites ( please see links leaving DEC's website on the right side of this page).

Responsiveness Summary For The Study Plan For Year 2004 (PDF) (195 KB) Avian Investigations Hudson River Hudson River Natural Resource Damage Assessment

2005 Modification To Study Plan (PDF) (297 KB) For Avian Investigations For The Hudson River USGS Study Plan Amendment For 2005 Hudson River Natural Resource Damage Assessment

2006 Modification To Study Plan (PDF) (104 KB) For Avian Investigations For The Hudson River USGS Study Plan Amendment.

Egg Injection Studies:

Preparation of Individual and Custom PCB Mixture Dosing Solutions for Avian Egg Injection Studies Associated with Injury Determinations under the Hudson River NRDA (PDF) (1.87 MB)

Design And Preparation Of A Custom 58-Congener PCB Mixture Dosing Solution For Avian Egg Injection Studies

2006 draft Study Plan for Avian Egg Injection Study (PDF) (596 KB)

2006 Study Plan For Avian Egg Injection Study

2006 Responsiveness Summary For The Avian Egg Injection Study (PDF) (183 KB) Plan Hudson River Natural Resource Damage Assessment Hudson River Natural Resource Trustees

Revised 2006 Study Plan For Avian Egg Injection Study Hudson River Natural Resource Damage Assessment

2007 Study Plan for Avian Injury Study Amendment for Year 2 (PDF) (399 KB)

Waterfowl Study:

Draft Study Plan Waterfowl Injury Assessment Plan PCBs in Hudson River Resident Waterfowl (PDF) (41 KB)

Waterfowl Investigations 2007-2008 ( PDF version 84 Kb)

Amphibian and Reptile Studies

Fact Sheets:
Spring 2004 Amphibian Fact Sheet (PDF version 125 KB)
2007 Amphibian Fact Sheet (PDF version 120 KB)

Screening Level Studies:

Tadpoles: 2004 Data report (PDF) (1.4 MB). The accumulation of sedimentary PCBs in bullfrog (Rana catesbeiana) tadpoles from the Upper Hudson River

Data Report for the Preliminary Investigation of Amphibian Breeding Habitat and Screening of Breeding Pool Sediments for Polychlorinated Biphenyl Contamination, Hudson River, New York (PDF) (525 KB)

Snapping Turtle Egg Report:

Data Report For The Collection Of Eggs From The Common Snapping Turtle (Chelydra Serpentina Serpentina) From The Hudson River, New York (PDF) (740 KB)

June 2002. Organochlorine And Metal Contaminant Levels In Hudson River, New York Reptiles And Amphibians

August 11, 1998

Data Report For Screening For Organochlorine And Metal Contaminant Levels In Hudson River, New York Bullfrogs (Rana Catesbeiana) and Snapping Turtles (Chelydra Serpentina Serpentina) (PDF) (732 KB) February 28,2005

Data Report for the Collection of Bullfrog (Rana Catesbeiana) Tadpoles and Near Shore Sediment Samples from the Hudson River, New York May 2007 (PDF) (1 MB)

Fishery Resource Studies

Injury to Hudson River Fishery Resources : Fishery Closures and Consumption Restrictions June 2001 (PDF) (548 KB)

Fish Studies

Fact Sheets:

Fall 2001 Fact Sheet (PDF version 351 KB) on the status of the Hudson River Natural Resource Damage Assessment Assessing Fish Health
October 2001

Screening Level Studies:

Sampling and Analysis Plan Hudson River Fish Health Assessment Phase I (PDF): Field Sampling, Necropsy, Histopathology, Disease, Fish Age (Field Version) ( 1.4 MB)

Hudson River Fish Health Assessment Phase I: Field Sampling, Necropsy,Histopathology, Disease,Fish Age (Field Version)

Floodplain Studies

Screening Level Studies:

2001 SETAC presentation (PDF): ( 486 KB) PCBs in Floodplain Soils and Shrews

2001-2004 Floodplain Data Summary Presentation (PDF) (4.9 MB). This slide presentation is large and may take a few moments to download. For faster downloading, the file has been divided into smaller sections listed below.

Benthic Sediment Studies

Sediment Fact Sheet 2008 (PDF version 88 KB) Sediment Toxicity Pilot Study for the Hudson River NRDA

Mammal Studies

Mink and Otter

Study Plan for Mink Injury Determinaton: Investigation of Mink Abundance and Density Relative to Polychlorinated Biphenyl Contamination within the Hudson River Drainage (PDF) (1.38 MB)

Responsiveness Summary for the Study Plan for Mink Injury Determination: Investigation of Mink Abundance and Density Relative to Polychlorinate Biphenyl Contamination within the Hudson River Drainage (PDF) (306 KB)

Fact Sheets:

Mink and Otter Fact Sheet 2006 (PDF version 591 KB)

Screening Level Studies:

Mink Progress Report 1998-2000 (PDF) (544 KB)

Study Plan for Mink Injury Investigations for the Hudson River, June 2006

  • Study Plan and Appendix A (PDF) (298 KB)
  • Appendix 1 (PDF) (1.87 MB)
  • Appendices 2, 3 and 4 (938 KB) This appendix is available on request in hardcopy or can be obtained as part of the complete document from the USFWS or NOAA websites ( please see links leaving DEC's website on the right side of this page).

Responsiveness Summary For The 2006 Study Plan (PDF) For Mink Injury Investigations (189 KB)

Bats

Fact Sheets:

Bat Fact Sheet 2007 (PDF version 43 KB)

Screening Level Studies:

2002 Data Report and Work Summary (PDF) (462 KB)

Navigation Service Loss Studies

Navigational Services Loss Report 2006 (PDF) (370 KB)

Additional NRD studies will be added to this page in the future. In the meantime the documents from these efforts may also be obtained from the links to the right of the main Hudson River Natural Resource damages page.