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Author: Ken Collis
Publisher:
ISBN:
Category : Piscivorous birds
Languages : en
Pages : 71
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Book Description
"The primary objectives of this study in 2019 were to: (1) implement and evaluate the Inland Avian Predation Management Plan (IAPMP; USACE 2014), including adaptive management actions, in order to dissuade Caspian terns (Hydroprogne caspia) from nesting on Crescent Island, Goose Island, and elsewhere in Potholes Reservoir to reduce tern predation on Endangered Species Act (ESA)-listed juvenile salmonids (Oncorhynchus spp.); (2) investigate the distribution, colony size, and smolt impacts of unmanaged piscivorous colonial waterbirds (i.e. California gulls [Larus californicus], ring-billed gulls [L. delawarensis], American white pelicans [Pelecanus erythrorhynchos]), and double-crested cormorants [Phalacrocorax auratus] to help identify immerging avian predation issues in the Columbia Plateau region (CPR) that may be of concern to resource managers; and (3) calculate aggregate estimates of avian predation (i.e. consumption by all predator species and colonies combined within a specific river reach) and estimates of reach-specific survival of juvenile salmonids during downstream passage. Collectively, these objectives address several management-relevant questions needed to maximize the benefits to ESA-listed salmonids in managing piscivorous colonial waterbirds, while also maintaining a multiyear avian predation dataset in the Columbia River basin."--Project Objectives (pages 6-7).
Author: Ken Collis
Publisher:
ISBN:
Category : Piscivorous birds
Languages : en
Pages : 71
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Book Description
"The primary objectives of this study in 2019 were to: (1) implement and evaluate the Inland Avian Predation Management Plan (IAPMP; USACE 2014), including adaptive management actions, in order to dissuade Caspian terns (Hydroprogne caspia) from nesting on Crescent Island, Goose Island, and elsewhere in Potholes Reservoir to reduce tern predation on Endangered Species Act (ESA)-listed juvenile salmonids (Oncorhynchus spp.); (2) investigate the distribution, colony size, and smolt impacts of unmanaged piscivorous colonial waterbirds (i.e. California gulls [Larus californicus], ring-billed gulls [L. delawarensis], American white pelicans [Pelecanus erythrorhynchos]), and double-crested cormorants [Phalacrocorax auratus] to help identify immerging avian predation issues in the Columbia Plateau region (CPR) that may be of concern to resource managers; and (3) calculate aggregate estimates of avian predation (i.e. consumption by all predator species and colonies combined within a specific river reach) and estimates of reach-specific survival of juvenile salmonids during downstream passage. Collectively, these objectives address several management-relevant questions needed to maximize the benefits to ESA-listed salmonids in managing piscivorous colonial waterbirds, while also maintaining a multiyear avian predation dataset in the Columbia River basin."--Project Objectives (pages 6-7).
Author: Daniel D. Roby
Publisher:
ISBN:
Category : Caspian tern
Languages : en
Pages : 788
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Book Description
The primary goal of this report is to assemble and summarize results from previous published and unpublished studies of avian predation in the Columbia River basin (CRB) and to present results from retrospective analyses of data from previous studies to identify long‐term patterns and trends. Results of these analyses are vital for assessing the efficacy of management initiatives to reduce predation impacts on Endangered Species Act‐listed juvenile salmonids by Caspian terns and double‐crested cormorants in the CRB and to inform an adaptive approach that ensures that management objectives are fully achieved and sustained into the future. These analyses are also essential for evaluating how management actions have and will continue to affect populations of piscivorous colonial waterbirds in the CRB and throughout the Pacific Flyway, populations of native species that are protected by the Migratory Bird Treaty Act. Finally, we hope that this report will serve as a comprehensive repository of results from research, monitoring, and evaluation of avian predation during 1997–2019 and provide a single‐source document on the topic for regional managers, stakeholders, researchers, and the public.
Author:
Publisher:
ISBN:
Category : Caspian tern
Languages : en
Pages : 560
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Book Description
"This Inland Avian Predation Management Plan (IAPMP) Environmental Assessment (EA) addresses a set of proposed actions to reduce avian predation on federal Endangered Species Act (ESA)-listed salmonids in the inland Columbia River Basin above Bonneville Dam. This EA identifies a purpose and need, develops and evaluates a set of alternatives to meet the purpose and need, considers the trade-offs of the alternatives and selects a preferred alternative. The IAPMP (Appendix A) was developed as a guide for the implementation of the preferred alternative in this EA and includes detailed recommendations for implementation, monitoring, and adaptive management. The development of an IAPMP is a requirement of the National Oceanic and Atmospheric Administration (NOAA) National Marine Fisheries Service (NMFS) 2008 Federal Columbia River Power System (FCRPS) Biological Opinion as updated in the 2010 Supplemental FCRPS Biological Opinion (referred to collectively as the BiOp unless the date is specified). The EA identifies actions to reduce predation on salmonids in the inland Columbia River Basin and focuses on the management of Caspian terns (CATEs) at Goose and Crescent Islands, habitat enhancement to attract CATEs to areas outside the Columbia River Basin, and adaptive management actions to limit the formation of incipient colonies within the basin. The IAPMP and Adaptive Management Plan (AMP) are included as an appendix to this document (Appendix A) which can be referenced for additional details on implementation."--Introduction (page 1).
Author:
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 672
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Book Description
Author: United States. Bonneville Power Administration
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages :
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Author: Franklin R. Young
Publisher:
ISBN:
Category :
Languages : en
Pages : 108
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Book Description
Author: Franklin R. Young
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 302
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Book Description
Author: Young, Franklin R.
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 223
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Book Description
Author:
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 890
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Book Description
Author: C. S. Holling
Publisher:
ISBN: 9781932846072
Category : Nature
Languages : en
Pages : 0
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Book Description
This book develops an adaptive approach to environmental impact assessment and management and is based on a study initiated by a workshop convened in early 1974 by SCOPE (Scientific Committee on Problems of the Environment). CS Holling discusses the nature and behavior of ecological systems and its issues, limitations, and potential of environmental assessment. Further, he discusses how we can incorporate impact assessment studies with actual environmental planning and decision making.Crawford Holling received his B.A. and M.Sc. at the University of Toronto (1952) and his Ph.D. at the University of British Columbia (1957). He worked in the laboratories of the Department of the Environment, Government of Canada. Since then, he has been, at various times, Professor and Director of the Institute of Resource Ecology, University of British Columbia, Vancouver, Canada, and Director of the International Institute for Applied Systems Analysis (IIASA), Vienna, Austria. He now occupies the Arthur R. Marshall Jr. Chair in Ecological Sciences at the University of Florida and has launched a comparative study of the structure and dynamics of ecosystems.
