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Recovery Of Pink Salmon Spawning Areas After The Exxon Valdez Oil Spill
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Book Synopsis Recovery of Pink Salmon Spawning Areas After the Exxon Valdez Oil Spill by : Michael L. Murphy
Download or read book Recovery of Pink Salmon Spawning Areas After the Exxon Valdez Oil Spill written by Michael L. Murphy and published by . This book was released on 1998 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: To assess recovery of pink salmon (Oncorhynchus gorbuscha) spawning habitat in Prince William Sound after the Exxon Valdez oil spill, we analyzed sediment samples from William Sound after the Exxon Valdez oil spill, we analyzed sediment samples from stream deltas from 1989-1991 and 1995. In 1989, petroleum hydrocarbon concentration at 172 stream deltas (1-8 samples each) was bimodally distributed: 85 deltas had no detectable petroleum hydrocarbons (detection limit 2 pg/g); 87 deltas had 2-45,OOO pg/g. In 1995, petroleum hydrocarbons were still detected at eight of nine oiled streams we resampled, with mean concentration up to 242 pg/g. The polynuclear aromatic hydrocarbon (PAH) fraction was also analyzed to determine origin and toxic potential. The PAH in 1995 consisted mostly of the more toxic compounds with high molecular weight. Composition was consistent with weathered Exxon Valdez oil, and total PAH concentration ranged up to 1,300 ng/g. Interpolation between 1989 and 1995 indicated that PAH concentration exceeded 3,800 ng/g (minimum sediment concentration that reduces salmon embryo survival in the laboratory) at some stream deltas through 1993, but all streams were below this level by 1994. We conclude that tidal leaching of residual PAH into incubation substrate could explain persistent impaired embryo survival in pink salmon through 1993, and that spawning habitat had recovered by 1994.
Book Synopsis Recovery of Pink Salmon Spawning Areas After the Exxon Valdez Oil Spill by : Michael L. Murphy
Download or read book Recovery of Pink Salmon Spawning Areas After the Exxon Valdez Oil Spill written by Michael L. Murphy and published by . This book was released on 1998 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pink salmon spawning habitat recovery after the Exxon Valdez Oil Spill by : Michael L. Murphy
Download or read book Pink salmon spawning habitat recovery after the Exxon Valdez Oil Spill written by Michael L. Murphy and published by . This book was released on 2000 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Exxon Valdez Oil Spill Restoration Plan by : Exxon Valdez Oil Spill Trustee Council
Download or read book Exxon Valdez Oil Spill Restoration Plan written by Exxon Valdez Oil Spill Trustee Council and published by . This book was released on 1999 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses restoration plans mostly for wildlife, but addresses commercial fishing, recreation, tourism, and subsistence as well.
Book Synopsis Exxon Valdez Oil Spill Restoration by : Exxon Valdez Oil Spill Trustee Council
Download or read book Exxon Valdez Oil Spill Restoration written by Exxon Valdez Oil Spill Trustee Council and published by . This book was released on 1992 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Draft Environmental Impact Statement for the Exxon Valdez Oil Spill Restoration Plan by : Exxon Valdez Oil Spill Trustee Council
Download or read book Draft Environmental Impact Statement for the Exxon Valdez Oil Spill Restoration Plan written by Exxon Valdez Oil Spill Trustee Council and published by Anchorage, Alaska : Exxon Valdez Oil Spill Trustee Council. This book was released on 1994 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Merchant Marine and Fisheries Publisher : ISBN 13 : Total Pages :396 pages Book Rating :4.3/5 (91 download)
Book Synopsis Prince William Sound After Exxon Valdez Oil Spill by : United States. Congress. House. Committee on Merchant Marine and Fisheries
Download or read book Prince William Sound After Exxon Valdez Oil Spill written by United States. Congress. House. Committee on Merchant Marine and Fisheries and published by . This book was released on 1993 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Exxon Valdez Oil Spill Restoration Plan by : Exxon Valdez Oil Spill Trustee Council
Download or read book Exxon Valdez Oil Spill Restoration Plan written by Exxon Valdez Oil Spill Trustee Council and published by . This book was released on 1994 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses restoration plans mostly for wildlife, but addresses commercial fishing, recreation, tourism, and subsistence as well.
Book Synopsis Exxon Valdez Oil Spill by : P. G. Wells
Download or read book Exxon Valdez Oil Spill written by P. G. Wells and published by ASTM International. This book was released on 1995 with total page 963 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Draft, Exxon Valdez Oil Spill Restoration Plan by : Exxon Valdez Oil Spill Trustee Council
Download or read book Draft, Exxon Valdez Oil Spill Restoration Plan written by Exxon Valdez Oil Spill Trustee Council and published by . This book was released on 1993 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Injury to Spawning Areas and an Evaluation of Spawning Escapement Enumeration of Pink Salmon in Prince William Sound, Alaska by : Stephen M. Fried
Download or read book Injury to Spawning Areas and an Evaluation of Spawning Escapement Enumeration of Pink Salmon in Prince William Sound, Alaska written by Stephen M. Fried and published by . This book was released on 1998 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Restoration Following the Exxon Valdez Oil Spill by :
Download or read book Restoration Following the Exxon Valdez Oil Spill written by and published by . This book was released on 1990 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a symposium 'Restoration Following the Exxon Valdez Oil Spill' held in Anchorage March 26-27 1990, on restoration of coastal habitats, fisheries, birds, mammlas and marine ecosystems in the year since the oil spill from the tanker Exxon Valdez in Prince William Sound, Gulf of Alaska, on March 28 1989.
Book Synopsis Exxon Valdez Oil Spill Restoration: Restoration framework by :
Download or read book Exxon Valdez Oil Spill Restoration: Restoration framework written by and published by . This book was released on 1992 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Draft Environmental Impact Statement for the Exxon Valdez Oil Spill Restoration Plan by : Exxon Valdez Oil Spill Trustee Council
Download or read book Draft Environmental Impact Statement for the Exxon Valdez Oil Spill Restoration Plan written by Exxon Valdez Oil Spill Trustee Council and published by Anchorage, Alaska : Exxon Valdez Oil Spill Trustee Council. This book was released on 1994 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Assessment of Oil-Spill Effects on Pink Salmon Populations Following the Exxon Valdez Oil Spill--Part 1 by : EL. Brannon
Download or read book An Assessment of Oil-Spill Effects on Pink Salmon Populations Following the Exxon Valdez Oil Spill--Part 1 written by EL. Brannon and published by . This book was released on 1995 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pink salmon, Oncorhynchus gorbuscha, is the main salmon species of commercial importance in Prince William Sound. Unlike other Pacific salmon, they have a two-year life cycle and have adapted to spawn in the intertidal reaches of numerous small streams throughout the oil-spill area. Thus, they represent the species at highest potential risk for spill-related injury. This paper discusses results of field programs initiated within a few days of the spill and designed to assess spill effects on critical early life stages of pink salmon in postspill years.
Book Synopsis Have Wild Pink Salmon and Their Habitat Recovered from Persistent Exxon Valdez Oil Contamination by : Mark G. Carls
Download or read book Have Wild Pink Salmon and Their Habitat Recovered from Persistent Exxon Valdez Oil Contamination written by Mark G. Carls and published by . This book was released on 2003 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results show that drainage of groundwater from beaches into surface and subsurface stream water provides a mechanism for contaminant exchange providing evidence that pink salmon (Oncorhynchus gorbuscha) spawning habitat in Prince William Sound was contaminated by Exxon Valdez oil. Low levels of polynuclear aromatic hydrocarbon (PAH) from the Exxon Valdez remain in two of six previously heavily oiled streams examined leading to the opinion that most spawning habitat has recovered or is recovering. Exposure of pink salmon embryos from five brood years to similar levels of hydrocarbons showed a variety of lethal and sublethal responses.
Book Synopsis An Assessment of Oil-spill Effects on Pink Salmon Populations Following the Exxon Valdez Oil Spill--Part 2 by : EJ. Brannon
Download or read book An Assessment of Oil-spill Effects on Pink Salmon Populations Following the Exxon Valdez Oil Spill--Part 2 written by EJ. Brannon and published by . This book was released on 1995 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents results of a field program designed to monitor the status of wildstock pink salmon populations in Prince William Sound following the Exxon Valdez oil spill. Field counts of spawning salmon were conducted each year from 1989 through 1992 to test for spill effects on the distribution and abundance of pink salmon adults spawning in selected streams in the southwestern portion of Prince William Sound, including streams from the most heavily oiled areas. Counts of whole-stream and intertidal escapement density were statistically compared for 40 study streams in 1989 and for a subset of those streams in successive years. Measurements of residual hydrocarbons were made from stream-bed sediments to test for correlations with spawning behavior.
