Assessment of Injury to Sea Ducks from Hydrocarbon Uptake in Prince William Sound and the Kodiak Archipelago, Alaska, Following the Exxon Valdez Oil Spill: Supplements PDF Download
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Author: Samuel Merrick Patten
Publisher:
ISBN:
Category : Exxon Valdez Oil Spill, Alaska, 1989
Languages : en
Pages :
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Book Description
This study investigates sublethal effects to sea ducks in the Exxon Valdez oil spill area. The six species studied include: Barrow's goldeneyes, common goldeneyes, surf scoters, black scoters, white-winged scoters, and harlequin ducks.
Author: Samuel Merrick Patten
Publisher:
ISBN:
Category : Exxon Valdez Oil Spill, Alaska, 1989
Languages : en
Pages :
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Book Description
This study investigates sublethal effects to sea ducks in the Exxon Valdez oil spill area. The six species studied include: Barrow's goldeneyes, common goldeneyes, surf scoters, black scoters, white-winged scoters, and harlequin ducks.
Author: Samuel Merrick Patten
Publisher:
ISBN:
Category : Oil spills
Languages : en
Pages :
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Book Description
This study investigates sublethal effects to sea ducks in the Exxon Valdez oil spill area. The six species studied include: Barrow's goldeneyes, common goldeneyes, surf scoters, black scoters, white-winged scoters, and harlequin ducks.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 618
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Book Description
Author: Daniel Esler
Publisher:
ISBN:
Category : Harlequin duck
Languages : en
Pages : 152
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Book Description
The 1989 Exxon Valdez oil spill was a major perturbation of nearshore habitats of Prince William Sound, a wintering area for harlequin ducks (Histrionicus histrionicus). This research was designed to evaluate harlequin duck population recovery from the oil spill from 1995 to 1998, using a demographic approach to assess both the "product" of population changes (e.g., density differences; Chapter 4) and the demographic "processes" affecting population dynamics (e.g., survival; Chapter 3). Wintering aggregations of harlequin ducks are core population units from a population structure perspective and are largely demographically independent, due to high rates of winter site fidelity, pair formation during winter, and evidence that juveniles follow hens to wintering areas. Therefore, evaluation of population-level effects of the oil spill is appropriately directed at these wintering aggregations. We selected adult female survival as a primary demographic attribute to measure, as population dynamics of animals with life history characteristics like harlequin ducks are particularly sensitive to variation in adult female survival rates. Also, we speculated that oil spill effects during winter would be manifested as survival reductions. We found that winter densities of harlequin ducks were lower on oiled study areas than unoiled areas, after accounting for effects of habitat (Chapter 4), indicating that population recovery had not occurred. Also, we determined that adult female survival was lower on oiled areas than unoiled areas (Chapter 3), and speculated that this was related to documented oil exposure of harlequin duck populations in oiled areas coincident with our study. We also confirmed that our survival estimates were not biased by assumptions about effects of radio transmitters or fate of missing radios (Chapter 2). In Chapter 5, we reviewed all data relevant to harlequin duck recovery from the oil spill, including our demographic data, and concluded that population recovery had not occurred by 1998, deleterious effects persisted, and continued oil exposure likely was the primary constraint to full recovery. Although populations of many species may have recovered quickly from the Exxon Valdez spill, characteristics of harlequin ducks make their winter populations particularly susceptible, including their habitat associations, diet, life history. and energetics
Author: United States. Minerals Management Service. Alaska OCS Region
Publisher:
ISBN:
Category : Offshore gas industry
Languages : en
Pages : 364
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Author:
Publisher:
ISBN:
Category : Oil pollution of the sea
Languages : en
Pages : 288
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Book Description
Author: P. G. Wells
Publisher: ASTM International
ISBN: 0803118961
Category : Environmental aspects
Languages : en
Pages : 963
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Author: Exxon Valdez Oil Spill Trustee Council
Publisher:
ISBN:
Category : Exxon Valdez Oil Spill, Alaska, 1989
Languages : en
Pages : 176
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Book Description
Discusses restoration plans mostly for wildlife, but addresses commercial fishing, recreation, tourism, and subsistence as well.
Author:
Publisher:
ISBN:
Category : North American river otter
Languages : en
Pages : 76
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Author:
Publisher:
ISBN:
Category : Exxon Valdez (Ship)
Languages : en
Pages : 24
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Book Description
