Download or read book Influence of Sympatric Lesser Snow Geese Chen Caerulescens Caerulescens on Reproductive Performance Behavior and Food Habits of Canada Geese Branta Canadensis Interior on Akimiski Island Nunavut written by Jeffrey Scott Gleason and published by Library and Archives Canada = Bibliothèque et Archives Canada. This book was released on 2003 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on Akimiski Island, Nunavut, indicates declining numbers of nesting Southern James Bay Population (SJBP) Canada Geese (Branta canadensis interior) while increases have been documented for number of breeding Lesser Snow Geese (Chen caerulescens caerulescens). Low direct recovery rates of goslings is suggestive of late-summer mortality which may be limiting recruitment for Canada geese on Akimiski Island. This study was designed specifically to (1) compare Canada Goose reproductive performance, incubation and brood-rearing behavior in areas of allopatry and sympatry and with Lesser Snow Geese, (2) determine if there are differences in diets of Canada Geese in areas of allopatry and sympatry, and (3) determine if there are differences in diets of Canada and Lesser Snow Geese in the area of sympatry. I documented annual variation for all and spatial variation for some reproductive parameters measured. Results of between-area comparisons of reproductive performance tended to suggest that in some years, Canada Geese nesting in the area of sympatry contribute little towards the maintenance of the island segment of this population. During incubation when females were on nests, male behavior varied as a function of year, area, time-of-day, and incubation stage. Overall, male Canada Geese allocated their time primarily to vigilance, feeding, and resting when females were on the nest. Males in the area of allopatry were more vigilant and fed less compared to males in the area of sympatry. When females were on the nest, their behavior varied relative to time-of-day, incubation stage, and temperature. Females in the area of allopatry were more vigilant than females in the area of sympatry, but overall, females on the nest allocated their time primarily to resting and maintenance. Recess behavior of Canada Geese varied relative to sex, incubation stage, and temperature, but not area, though pairs in the area of allopatry tended to spend more time alert and less time feeding compared to pairs in the area of sympatry. During recesses, males allocated their time primarily to vigilance, whereas females allocated nearly equal proportions of time to feeding and maintenance. Overall, brood-rearing behavior varied relative to year, area, time-of-day, sex/age class, days since peak hatch, brood size, brood density, and temperature. Overall, results are indicative of exploitation competition and I suggest that present foraging conditions are insufficient to meet the energetic demands of breeding Canada Geese, as well as breeding and staging Lesser Snow Geese, molt-migrant Giant Canada Geese, and staging Atlantic Brant. Such an energy deficit is particularly detrimental to the growth and development of Canada Goose goslings resulting in locally poor recruitment which presumably will lead to a much depressed breeding population of Canada Geese on Akimiski Island. (Abstract shortened by UMI.).
Download or read book Birds of Nunavut written by James M. Richards and published by UBC Press. This book was released on 2018-08-10 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nunavut is a land of islands, encompassing some of the most remote places on Earth. It is also home to some of the world’s most fascinating bird species. Birds of Nunavut is the first complete survey of every species known to occur in the territory. Co-written by a team of eighteen experts, it documents 295 species of birds (of which 145 are known to breed there), presenting a wealth of information on identification, distribution, ecology, behaviour, and conservation. Lavishly illustrated with over 800 colour photographs and 155 maps, this is a visually stunning reference work on the birds that live in and visit Nunavut.
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Arctic Ecosystems in Peril written by Bruce D. J. Batt and published by . This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Status of Ross s Geese written by Timothy J. Moser and published by . This book was released on 2001 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Food Webs at the Landscape Level written by Gary A. Polis and published by University of Chicago Press. This book was released on 2004-02-22 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Paying special attention to the fertile boundaries between terrestrial, freshwater, and marine ecosystems, this work shows not only what this new methodology means for ecology, conservation, and agriculture but also serves as a fitting tribute to Gary Polis and his major contributions to the field
Download or read book The Giant Canada Goose written by Harold Carsten Hanson and published by Southern Illinois University Press. This book was released on 1997 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This revised edition is not an expanded version of the original, summarizing, for example, the dozens of studies that hve been made of the productivity of various subpopulations of the "Giant Canada Goose" since its rediscovery. Rather, the main objectives of this revised, slightly enlarged edition are to redefine the range of this race as it was originally understood and to correct earlier assumptions based on the literature as to racial identity of peripheral populations."--Page xvii.
Download or read book Mid continent Light Geese written by United States. Congress. House. Committee on Resources. Subcommittee on Fisheries Conservation, Wildlife, and Oceans and published by . This book was released on 1999 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Canada Geese of the Atlantic Flyway written by and published by . This book was released on 1992 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Kentucky Breeding Bird Atlas written by Brainard L. Palmer-Ball, Jr. and published by University Press of Kentucky. This book was released on 2014-10-17 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ten years in the making, The Kentucky Breeding Bird Atlas presents the results of a seven-year survey of all birds that nest in the Bluegrass State, providing photographs of each species. This work summarizes the distribution and abundance of these bird species, and describes such recent phenomena as the invasions of the Blue Grosbeak and House Finch and the notable decline of other familiar species. Introductory material outlines the methodology used to complete the survey and summarizes its results. Of particular interest, this work helps to document the effect human alteration of the landscape has had on our bird populations. Some of the most common and widespread species in Kentucky today, for example, may have been among the most rare only two hundred years ago. Information for each species includes its current and historical status in the state, habitat preferences, specific details of the construction and placement of nests, and other pertinent aspects of nesting biology. Results of the survey are organized by physiographic region and degree of forestation. For rare or locally distributed species, more specific details concerning individual breeding records are given. Accompanying maps plot each species' distribution and abundance within the state. An additional section briefly summarizes the former status of twelve extinct or extirpated species. The Kentucky Breeding Bird Atlas is sponsored by the Kentucky State Nature Preserves Commission and the Nongame Wildlife Program of the Kentucky Department of Fish and Wildlife Resources in cooperation with the Kentucky Ornithological Society.
Download or read book Conservation Assessment for the Dusky Canada Goose Branta Canadensis Occidentalis Baird written by Robert Graham H. Bromley and published by . This book was released on 2003 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Canada Geese of the Seney National Wildlife Refuge written by Glen Alan Sherwood and published by . This book was released on 1965 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Voices from Hudson Bay written by Flora Beardy and published by McGill-Queen's Press - MQUP. This book was released on 1996 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Voices from Hudson Bay Cree elders recall the daily lives and experiences of the men and women who lived and worked at the Hudson's Bay Company post at York Factory in Manitoba. Their stories, their memories of family, community, and daily life, define their past and provide insights into a way of life that has largely disappeared in northern Canada.
Download or read book The Waterfowl Flyways of North America written by Frederick Charles Lincoln and published by . This book was released on 1935 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Population Modelling and Management of Snow Geese written by H. Boyd and published by . This book was released on 2000 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document consists of three separate but related papers. The objective of the first is to improve managerial understanding of the impact of spring hunting by indigenous peoples in northern Canada. It is an analysis of the relative impact of hunting in the spring, compared with the conventional hunting seasons in fall and winter. In the second paper, Cooke et al. comments on the model and the choice of parameters that was used in a paper by Rockwell et al., and which provided the underpinning for the argument in that paper that a great increase in the hunting kill of Snow Geese was required to reverse the rapid increase in the numbers of those geese. In the third paper, Rockwell and Ankney counter Cooke's claims.
Download or read book Population Assessment of Atlantic Walrus Odobenus Rosmarus Rosmarus L written by Erik W.. Born and published by . This book was released on 1995 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Summarizes available information on distribution, numbers and exploitation of Atlantic walruses (Odobenus rosmarus rosmarus L.) for an assessment of their present status. The effects on walruses of various human activities other than hunting (e.g. disturbance, pollution, fishery interactions) are also evaluated."--Page 6.
