Academic literature on the topic 'Arctic; Goose'

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Journal articles on the topic "Arctic; Goose"

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Madsen, Jesper. "Goose grazing in the Arctic." Ibis 130, no. 2 (April 3, 2008): 302–3. http://dx.doi.org/10.1111/j.1474-919x.1988.tb00984.x.

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Mariash, Heather L., Milla Rautio, Mark Mallory, and Paul A. Smith. "Experimental tests of water chemistry response to ornithological eutrophication: biological implications in Arctic freshwaters." Biogeosciences 16, no. 23 (December 10, 2019): 4719–30. http://dx.doi.org/10.5194/bg-16-4719-2019.

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Abstract. Many populations of Arctic-breeding geese have increased in abundance in recent decades, and in the Canadian Arctic, snow geese (Chen caerulescens) and Ross's geese (Chen rossii) are formally considered overabundant by wildlife managers. The impacts of these overabundant geese on terrestrial habitats are well documented, and, more recently, studies have suggested impacts on freshwater ecosystems as well. The direct contribution of nutrients from goose faeces to water chemistry could have cascading effects on biological functioning, through changes in phytoplankton biovolumes and community composition. We demonstrated previously that goose faeces can enrich ponds with nutrients at a landscape scale. Here, we show experimentally that goose droppings rapidly released nitrogen and phosphorus when submerged in freshwater, increasing the dissolved nitrogen and phosphorus in the water. This resulted in both a decrease in the nitrogen:phosphorus ratio and an increase in cyanobacteria in the goose dropping treatment. In contrast, this pattern was not found when we submerged cut sedge (Carex sp.) leaves. These results demonstrate that geese act as bio-vectors, causing terrestrial nutrients to be bioavailable in freshwater systems. Collectively, the results demonstrate the direct ecological consequences of ornithological nutrient loading from hyper-abundant geese in Arctic freshwater ecosystems.
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Kuijper, D. P. J., J. P. Bakker, E. J. Cooper, R. Ubels, I. S. Jónsdóttir, and M. J. J. E. Loonen. "Intensive grazing by Barnacle geese depletes High Arctic seed bank." Canadian Journal of Botany 84, no. 6 (June 2006): 995–1004. http://dx.doi.org/10.1139/b06-052.

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Studies in the Canadian Arctic show dramatic effects of increased goose grazing on vegetation structure and soil conditions, but little is known of the role of goose grazing in the European Arctic. We focused on how geese might affect plant recruitment via effects on seed production and soil seed bank in High Arctic Svalbard. Experimental grazing by captive Barnacle geese ( Branta leucopsis (Bechstein, 1803)) decreased flower densities both at normal and at high grazing pressure. Geese showed a clear preference for reproductive rather than vegetative shoots. Soil samples collected inside and outside 7-year-old exclosures in an intensively goose-grazed area revealed significant effects on the germinable soil seed bank. The density of viable seeds in the top soil layer inside exclosures was six times higher than in grazed plots. Lower densities of viable seeds occurred in the basal than in the top layer but there was no difference in basal layer seed density between exclosed and grazed plots. This study shows that geese have strong effects on floral abundance and consequently on the seed bank. We argue that goose grazing in these systems influences the potential for recovery after a disturbance event and thus the long-term plant species diversity and dynamics.
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Careau, V., J. F. Giroux, G. Gauthier, and D. Berteaux. "Surviving on cached foods — the energetics of egg-caching by arctic foxes." Canadian Journal of Zoology 86, no. 10 (October 2008): 1217–23. http://dx.doi.org/10.1139/z08-102.

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Food-caching by arctic foxes ( Vulpes lagopus (L., 1758)) is a behavioural adaptation thought to increase winter survival, especially in bird colonies where a large number of eggs can be cached during a short nesting season. In this paper, we measured the energy content of greater snow goose ( Chen caerulescens atlantica Kennard, 1927) eggs and evaluated their perishability when cached in tundra soil for a whole summer. We estimated that eggs lost only ~8% of their dry mass over 60 days of storage in the ground. We used published estimates on digestibility of nutrients by arctic foxes to estimate that fresh and stored goose eggs contained 816 and 730 kJ of metabolizable energy, respectively, a difference of 11%. Using information on arctic fox energetics, we evaluated that 145 stored eggs were required to sustain the growth of one pup from the age of 1 to 3 months (nutritional independence). Moreover, 23 stored eggs were energetically equivalent to the average fat deposit of an arctic fox during winter. Finally, we calculated that an adult arctic fox would need to recover 160–220 stored eggs to survive 6 months in resting conditions during cold winter temperatures. This value increased to 480 when considering activity cost. Based on egg acquisition and caching rates observed in many goose colonies, we conclude that cached eggs represent an important source of energy relative to the needs of an arctic fox during winter, and have thus a high fitness value.
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Harriman, V. B., R. T. Alisauskas, and G. A. Wobeser. "The case of the blood-covered egg: ectoparasite abundance in an arctic goose colony." Canadian Journal of Zoology 86, no. 9 (September 2008): 959–65. http://dx.doi.org/10.1139/z08-074.

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Since 1991, blood-covered eggs have been noted in nests of Ross’s ( Chen rossii (Cassin, 1861)) and lesser snow ( Chen caerulescens caerulescens (L., 1758)) geese at the Karrak Lake colony, Nunavut, Canada. Fleas ( Ceratophyllus vagabundus vagabundus (Boheman, 1866)) were subsequently observed to be associated with goose nests containing eggs covered with dried blood. We examined prevalence of blood presence on goose eggs and extent of egg coverage with blood in goose nests from 2001 to 2004. Flea abundance in nests was estimated in 2003 and 2004, and was strongly correlated with the proportion of goose egg surface covered by blood, suggesting that degree of blood coverage was a suitable index of flea abundance. Extent of blood fluctuated annually and was correlated with both host characteristics and host habitat factors. Nest bowls used by geese in previous years contained more fleas than did new nest bowls, and fleas were more abundant in older areas of the colony. Flea abundance increased with goose clutch size and was highest in rock and birch habitats. Ceratophyllus vagabundus vagabundus appears to be a new parasite of geese at Karrak Lake; flea abundance may change in response to increased availability of favorable habitat, which is expected if local climate warms.
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Woodham, Annette. "Snow goose population explosion may threaten Arctic ecosystems." Marine Pollution Bulletin 34, no. 12 (December 1997): 990. http://dx.doi.org/10.1016/s0025-326x(97)90120-x.

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Samelius, Gustaf, Ray T. Alisauskas, and Serge Larivière. "Survival rate of experimental food caches: implications for arctic foxes." Canadian Journal of Zoology 85, no. 3 (February 2007): 397–403. http://dx.doi.org/10.1139/z07-017.

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Avoiding cache loss is critical to food-hoarding animals. Arctic foxes ( Alopex lagopus (L., 1758)) scatter-hoard thousands of eggs annually at large goose colonies, and we examined how survival rate of experimental caches were influenced by (i) nesting density by geese, (ii) relative proportion of two sympatric goose species, (iii) departure by ca. 1 million geese and their young after hatch, and (iv) age of cache sites. Survival rate of experimental caches was related to age of cache sites in the 1st year of the study (0.80 and 0.56 per 18-day period for caches from new and 1-month-old cache sites, respectively) and departure by geese in the 2nd year of the study (0.98 and 0.74 per 18-day period during and after goose nesting, respectively). These results suggest that food abundance and deterioration of cache sites (e.g., loss of soil cover and partial exposure of caches) were important factors affecting cache loss at our study site. Furthermore, annual variation in the importance of these factors suggests that strategies to prevent cache loss are not fixed in time but vary with existing conditions. Evolution of caching behaviours by arctic foxes may, thus, have been shaped by multiple selective pressures.
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Lecomte, Nicolas, and Marie-Andrée Giroux. "New avian breeding records for Igloolik Island, Nunavut." Canadian Field-Naturalist 129, no. 2 (August 5, 2015): 194. http://dx.doi.org/10.22621/cfn.v129i2.1702.

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New breeding records for three tundra nesting species were documented on the Arctic island of Igloolik (Nunavut, Canada). The species are the Cackling Goose (Branta hutchinsii), the Tundra Swan (Cygnus columbianus), and the Pectoral Sandpiper (Calidris melanotos). These records refine their breeding range in the Canadian Arctic archipelago, while highlighting changes in detected bird communities at specific locations through time.
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Gauthier, G. "Trophic Interactions in a High Arctic Snow Goose Colony." Integrative and Comparative Biology 44, no. 2 (April 1, 2004): 119–29. http://dx.doi.org/10.1093/icb/44.2.119.

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Mariash, Heather L., Paul A. Smith, and Mark Mallory. "Decadal Response of Arctic Freshwaters to Burgeoning Goose Populations." Ecosystems 21, no. 6 (January 16, 2018): 1230–43. http://dx.doi.org/10.1007/s10021-017-0215-z.

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Dissertations / Theses on the topic "Arctic; Goose"

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Quinn, John Leo. "The timing of nesting in red-breasted geese and their nesting association with birds of prey." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368083.

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Speed, James D. M. "Ecosystem engineers of the tundra the impacts and extent of goose herbivory in the high Arctic /." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=26470.

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Walter, Scott Edward. "Aspects of Canada goose nesting ecology in northern Manitoba age, visibility, and Arctic fox predation /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36286070.html.

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Campbell, Thomas Kiyoshi Fujiwara. "Impacts of climate change and intensive lesser snow goose (Chen caerulescens caerulescens) activity in high Arctic pond complexes - Banks Island, Northwest Territories." Thesis, 2019. https://dspace.library.uvic.ca//handle/1828/10588.

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Rapid increases in air temperature in Arctic and subarctic regions are driving significant changes to surface water. These changes and their impacts are not well understood in sensitive high Arctic ecosystems. This thesis explores changes in surface water in the high Arctic pond complexes of western Banks Island, Northwest Territories, and examines the impacts of this change on vegetation communities. Landsat imagery (1985-2015) was used to detect trends in surface water, moisture, and vegetation productivity, aerial imagery change detection (1958 and 2014) quantified shifts in the size and distribution of waterbodies, and field sampling investigated factors contributing to observed changes. The impact of expanding lesser snow goose populations on observed changes in surface water was investigated using the aerial imagery change detection of 2409 waterbodies and an information theoretic model selection approach, while their impact on vegetation was assessed using data from field surveys. Our analyses show that the pond complexes of western Banks Island are drying, having lost 7.9% of the surface water that existed in 1985. This loss of surface water disproportionately occurred in smaller sized waterbodies, indicating that climate is the main driver. Model selection showed that intensive occupation of lesser snow geese was associated with more extensive drying and draining of waterbodies and suggests this intensive habitat use may reduce the resilience of pond complexes to climate warming. Evidence from field surveys suggests that snow goose foraging is also contributing to patches of declining vegetation productivity within drying wetland areas. Diminishing and degrading high Arctic pond complexes are likely to alter permafrost thaw and greenhouse gas emissions, as well as the habitat quality of these ecosystems. Additional studies focused the mechanisms of surface water loss, the direct impacts of wetland drying on vegetation, and the contributions of snow geese to these processes, are necessary to better understand the changes occurring on Banks Island.
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Horrigan, Emma J. "The Impact of Lesser Snow Goose Herbivory on Above and Belowground Nutrient Dynamics in Two Sub-Arctic Ecosystems." Thesis, 2010. http://hdl.handle.net/1807/24580.

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In order to determine the impact of lesser snow goose (Chen caerulescens caerulescens) herbivory on above and belowground nutrient dynamics, a grazing and nutrient addition experiment was conducted in two habitat types utilized by snow geese near Churchill, Manitoba. Forage plant nutrition, soil microbial biomass, and inorganic and organic soil nutrients were measured in relation to the timing of grazing, over two consecutive summers. Soil was collected from the rhizosphere to determine the influence of foliar herbivory on root-microbe interactions. Primary productivity in both habitats is co-limited by the availability of both nitrogen (N) and phosphorus (P). Aboveground defoliation either caused a reduction or no change in soil microbial biomass nutrients (carbon (C), N, or P). Defoliated shoots had higher N concentrations and did not show compensatory growth within the season. Root biomass was somewhat reduced with grazing, but higher whole plant N content suggests that grazing does not compromise N-uptake.
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Books on the topic "Arctic; Goose"

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Snow geese: Grandeur and calamity on an Arctic landscape. Memphis, Tenn: Ducks Unlimited, 1998.

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Martin, Constance. Search for the blue goose: J. Dewey Soper : the Arctic adventures of a Canadian naturalist. Calgary: Bayeux Arts, 1995.

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Hupp, Jerry W. Forage site selection by lesser snow geese during autumn staging on the Arctic National Wildlife Refuge, Alaska. Bethesda, MD: Wildlife Society, 1998.

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Svalbard Goose Symposium (1997 Oslo, Norway). Research on arctic geese: Proceedings of the Svalbard Goose Symposium, Oslo, Norway, 23-26 September 1997. Oslo: Norsk Polarinstitutt, 1998.

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Oversight hearing on Arctic snow geese: Hearing before the Subcommittee on Fisheries Conservation, Wildlife, and Oceans of the Committee on Resources, House of Representatives, One Hundred Fifth Congress, second session, April 23, 1998, Washington, DC. Washington: U.S. G.P.O., 1998.

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Thomas, Vernon G. A critical evaluation of the proposed reduction in the mid-continent lesser snow goose population to conserve sub-arctic salt marshes of Hudson Bay. Sacramento, CA: Animal Protection Institute, 1998.

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Flight of the Goose: A Story of the Far North. Seattle, Washington, USA: Far Eastern Press, 2005.

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J, Batt Bruce D., and Arctic Goose Habitat Working Group., eds. Arctic ecosystems in peril: Report of the Arctic Goose Habitat Working Group. [Washington, D.C: U.S. Fish and Wildlife Service, 1997.

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The status of Ross's geese: Report of the Arctic Goose Joint Venture, Ross's Goose Subcommittee. Canadian Wildlife Service, 2001.

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E, Hines James, Robertson, Myra O. Wiebe, 1970-, and Canadian Wildlife Service, eds. Surveys of geese and swans in the Inuvialuit Settlement Region, western Canadian Arctic, 1989-2001. [Ottawa]: Canadian Wildlife Service, 2006.

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Book chapters on the topic "Arctic; Goose"

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Butler, Patrick J., Charles M. Bishop, and Anthony J. Woakes. "Chasing a Wild Goose: Posthatch Growth of Locomotor Muscles and Behavioural Physiology of Migration of an Arctic Goose." In Avian Migration, 527–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05957-9_36.

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Jefferies, Robert L., Rudi H. Drent, and Jan P. Bakker. "Connecting Arctic and Temperate Wetlands and Agricultural Landscapes: The Dynamics of Goose Populations in Response to Global Change." In Ecological Studies, 293–314. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-33187-2_13.

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Johnson, Stephen R. "Lesser Snow Goose." In The Natural History of an Arctic Oil Field, 233–57. Elsevier, 2000. http://dx.doi.org/10.1016/b978-012701235-3/50014-3.

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Glancy, Mark. "Chapter 28." In Cary Grant, the Making of a Hollywood Legend, 395–412. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190053130.003.0029.

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In the early 1960s, when Cary Grant was at the height of his popularity, he began to worry that he was too old to play the romantic leading man. He would not agree to make Charade (1963) until director Stanley Donen and screenwriter Peter Stone agreed to change the script so that his young co-star, Audrey Hepburn, is seen to chase after him (rather than the other way around). In the wake of the Kennedy assassination, critics found this Hitchcockian comedy-thriller to be too violent, but it was another box-office hit and remains a fan favorite today. He did not consider himself too old to chase young women in his private life, and his relationship with actress Dyan Cannon grew more serious. When journalist Joe Hyams sued him for libel, in response to Grant’s denying that he had been interviewed by Hyams, they reached an out of court settlement. Grant agreed to collaborate with the journalist on the article that eventually emerged as “Archie Leach by Cary Grant,” a lengthy, truthful account of his family background and youth. In another hit comedy, Father Goose (1964), he broke free of his debonair image to play a drunken recluse who must look after schoolgirls stranded in the South Pacific at the beginning of the Second World War. His final film, Walk, Don’t Run (1966), was a gentle comedy set during the Tokyo Olympics, with a lively score by composer Quincy Jones, who became a close personal friend. By the time Walk, Don’t Run was released, he had married Dyan Cannon, and they had a daughter together, Jennifer Grant. This convinced Grant that it was finally time to retire.
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