Status Of The Ancient Murrelet Colony On Langara Island In 2004 Nine Years After Eradication Of Introduced Rats
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Status Of The Ancient Murrelet Colony On Langara Island In 2004 Nine Years After Eradication Of Introduced Rats
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Author : Heidi M. Regehr
language : en
Publisher:
Release Date : 2006-01-01
Status Of The Ancient Murrelet Colony On Langara Island In 2004 Nine Years After Eradication Of Introduced Rats written by Heidi M. Regehr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-01 with Ancient murrelet categories.
Langara Island was the world's largest colony of Ancient Murrelets and large populations of other burrow-nesting seabirds. To restore seabird breeding habitat, Canadian Wildlife Service used funds to remove rats from Langara Island in 1995. The Ancient Murrelet colony was resurveyed in 2004 to determine whether the population was responding positively to rat eradication. This report analyzes the survey result and concludes that rat eradication has restored seabird breeding habitat on Langara Island.
Status Of Ancient Murrelets Synthliboramphus Antiquus And Upland Birds Following Eradication Of Norway Rats Rattus Norvegicus From Langara Island Haida Gwaii
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Author : Mark C. Drever
language : en
Publisher:
Release Date : 2002
Status Of Ancient Murrelets Synthliboramphus Antiquus And Upland Birds Following Eradication Of Norway Rats Rattus Norvegicus From Langara Island Haida Gwaii written by Mark C. Drever and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Ancient murrelet categories.
Status Report On The Ancient Murrelet Synthliboramphus Antiquus In Canada
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Author : Anthony J. Gaston
language : en
Publisher:
Release Date : 1993
Status Report On The Ancient Murrelet Synthliboramphus Antiquus In Canada written by Anthony J. Gaston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Alcidae categories.
Status Of Ancient Murrelets Synthliboramphus Antiquus And Upland Birds Following Eradication Of Norway Rats Rattus Norvegicus From Langara Island Haida Gwaii
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Author : Mark C. Drever
language : en
Publisher:
Release Date : 2002
Status Of Ancient Murrelets Synthliboramphus Antiquus And Upland Birds Following Eradication Of Norway Rats Rattus Norvegicus From Langara Island Haida Gwaii written by Mark C. Drever and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Ancient murrelet categories.
Marine Ornithology
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Author :
language : en
Publisher:
Release Date : 2005
Marine Ornithology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Sea birds categories.
Ancient Murrelet Synthliboramphus Antiquus
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Author :
language : en
Publisher:
Release Date : 2015
Ancient Murrelet Synthliboramphus Antiquus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
COSEWIC Status Appraisal Summary on the Ancient Murrelet Synthliboramphus antiquus in Canada SPECIAL CONCERN 2014 COSEWIC status appraisal summaries are working documents used in assigning the status of wildlife species suspected of being at risk in Canada. [...] In 2011, sample burrows on the southern and central sections of Helegesen Island indicated an occupancy rate of 0.11 compared with 0.63 in 1986, a decline in the population estimate of ~90% (Gaston et al. [...] If the overall population estimate in 1986 reflected the population on Lihou at that time, then a decline in the breeding population on Lihou Island of ~50% occurred between 1986 and 2011. [...] A major blow-down of forest on several of the Laskeek Bay colony islands in the winter of 2010-11 reduced the amount of nesting habitat available to Ancient Murrelets (Gaston et al. [...] In the decade following the eradication of Norway Rats (Rattus norvegicus) on Langara Island in the mid-1990s, there was a rapid expansion in colony area, initially associated with a decrease in burrow density, and then a gradual increase in burrow occupancy (Bertram 1995, Taylor et al.
The Status Of Ancient Murrelets Breeding On Langara Island British Columbia In 1988
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Author : Bertram, Douglas F
language : en
Publisher: Delta, B.C. : Canadian Wildlife Service
Release Date : 1989
The Status Of Ancient Murrelets Breeding On Langara Island British Columbia In 1988 written by Bertram, Douglas F and has been published by Delta, B.C. : Canadian Wildlife Service this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Sea birds categories.
Alaska Seabird Information Series Asis
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Author :
language : en
Publisher:
Release Date : 2006
Alaska Seabird Information Series Asis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Bird populations categories.
"Compilation of seabird species accounts for all seabirds breeding in Alaska and five important nonbreeders. Conservation status, life history, distribution, population size and trends, conservation concerns, and recommended management actions are included in the accounts"--Leaf i.
The Ancient Murrelet
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Author : Anthony J. Gaston
language : en
Publisher: A&C Black
Release Date : 2010-10-30
The Ancient Murrelet written by Anthony J. Gaston and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-30 with Nature categories.
Breeding along the northern Pacific coast from British Columbia to Japan, this little known bird dwelt in relative obscurity until it became the focus of a conservation debate which has resulted in a new National Park in the Queen Charlotte Islands, where half the world's population breeds. It made the headlines again when a lost, lone bird suddenly appeared at Lundy Island in the Bristol Channel, England, in May 1990 and again in April 1991. The Ancient Murrelet and its three congeners are unique amongst seabirds in that their young are entirely precocial, leaving the nest as soon as they hatch to grow up at sea. Tony Gaston has carried out the only detailed study of the bird, in the fine mature coastal forests of the Queen Charlotte Islands. His work has revealed their complex social behaviour, the song behaviour of the males and the species' response to the variety of predators which they face - from Peregrines to Deer Mice. His story is set against a survey of the species worldwide and the grandeur of the northwest Pacific coast. The illustrations of Ian Jones, who also assisted with the research, capture the bird and its environment beautifully.
Hunting Tactics Of Peregrines And Other Falcons
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Author : Dick Dekker
language : en
Publisher: Hancock House
Release Date : 2009
Hunting Tactics Of Peregrines And Other Falcons written by Dick Dekker and has been published by Hancock House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Nature categories.
This book describes the foraging habits and capture rates of four species of bird-hunting falcons; Peregrine, Merlin, Gyrfalcon, and Prairie Falcon. Eight of the nine study areas were situated in western Canada in widely different habitats, and the observation periods intermittently included all seasons over 44 years, 1965-2008.