Movement and Habitat Use by Great Basin Canada Goose Broods canada goose habitat

Movement and Habitat Use by Great Basin Canada Goose Broods

Article · July 1989with10 Reads
DOI: 10.2307/3809206
  • Lester E. Eberhardt
  • Robert G. Anthony
  • William H. Rickard
Abstract
We studied movements and habitat use by radio-marked female Great Basin Canada geese (Branta canadensis moffitti) and their broods during rearing seasons of 1983 and 1984 on the Columbia River in south-central Washington. Adult female geese used a mean of 8.8 ± 4.4 (SD) km of the Columbia River to raise their broods to fledging. Mean home-range size was 983 ± 822 ha. Movement rates of broods were not significantly influenced by age of goslings or measured weather parameters. Broods were relatively inactive at night and most mobile during late-morning hours. Broods preferred riparian habitats within 5 m of the shoreline over aquatic habitats. A shoreline pasture grazed by cattle was an important foraging habitat to local broods but did not attract broods from surrounding areas. Broods appeared to be most susceptible to human disturbance during the first few weeks following hatching, but older broods were relatively tolerant of repeated human disturbance.

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    • Input variables used to estimate total daily intake of triclosan by mink.Table S5. Input variables used to estimate total daily intake of triclosan by Canada geese.Table S6. Input variables used to estimate total daily intake of triclosan by wood ducks.Table S7. Input variables used to estimate total daily intake of triclosan by belted kingfishers.Eberhardt et al. 1989; Proulx and Gilbert 1983) or standard error (other studies). SupplementalTable 2. Input variables used to estimate total daily intake of triclosan by muskrats * Bryant and Bryant 1988, Karasov 1990, Ricklefs 1974, USEPA 1993 Bell 1990, Collopy 1975, Cummins and Wuycheck 1971, USEPA 1993 Karasov 1990, USEPA 1993 Karasov 1990, USEPA 1993
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    Article · Jul 2010
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    • Use of special brood-rearing habitat away from the nest site. Einarsson 1988; Eberhardt et al. 1989; Rotella & Ratti 1992; Hughes et al. 1994; Mauser et al. 1994; Knopf & Rupert 1996; Leonard et al. 1996. Molt migration.
    Avian Movements and Wetland Connectivity in Landscape Conservation
    [Show abstract] [Hide abstract] ABSTRACT: The current conservation crisis calls for research and management to be carried out on a long-term, multi-species basis at large spatial scales. Unfortunately, scientists, managers, and agencies often are stymied in their effort to conduct these large-scale studies because of a lack of appropriate technology, methodology, and funding. This issue is of particular concern in wetland conservation, for which the standard landscape approach may include consideration of a large tract of land but fail to incorporate the suite of wetland sites frequently used by highly mobile organisms such as waterbirds (e.g., shorebirds, wading birds, waterfowl). Typically, these species have population dynamics that require use of multiple wetlands, but this aspect of their life history has often been ignored in planning for their conservation. We outline theoretical, empirical, modeling, and planning problems associated with this issue and suggest solutions to some current obstacles. These solutions represent a tradeoff between typical in-depth single-species studies and more generic multi-species studies. They include studying within- and among-season movements of waterbirds on a spatial scale appropriate to both widely dispersing and more stationary species; multi-species censuses at multiple sites; further development and use of technology such as satellite transmitters and population-specific molecular markers; development of spatially explicit population models that consider within-season movements of waterbirds; and recognition from funding agencies that landscape-level issues cannot adequately be addressed without support for these types of studies.
    Article · Jul 2008
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    • After hatching, the young leave the nest to forage in nearby areas (Eberhardt et al. 1989b) and fledge approximately 10 weeks after hatching (Eberhardt et al. 1989b). Some birds appear to leave the area throughout the summer and early fall, while others remain resident (Hanson and Eberhardt 1971; Eberhardt et al. 1989b). Fall migrants also visit the region and may include lesser Canada geese (B.
    Canada Geese at the Hanford Site â Trends in Reproductive Success, Migration Patterns, and Contaminant Concentrations
    [Show abstract] [Hide abstract] ABSTRACT: Pacific Northwest National Laboratory (PNNL) has conducted several studies for the U.S. Department of Energy (DOE) to evaluate the status and condition of Canada geese on the Hanford Reach of the Columbia River. This report summarizes results of studies of Canada geese (Branta canadensis moffitti) at the Hanford Site dating back to the 1950s. Results include information on the nesting (reproductive) success of Canada geese using the Hanford Reach, review of the local and regional migration of this species using data from bird banding studies, and summary data describing monitoring and investigations of the accumulation of Hanford-derived and environmental contaminants by resident goose populations.
    Full-text · Article · Wetlands
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  • The status, distribution and ecology of wildlife on the U.S. Doe Hanford Site: A historical overview of research activities
    [Show abstract] [Hide abstract] ABSTRACT: Since the inception of the U.S. DOE Hanford Site in 1943, numerous studies have been conducted on terrestrial wildlife. Onsite contractors have focused their attention on the role of wildlife in the uptake and transport of radionuclides. Graduate students from across the nation have also completed more than 15 theses on wildlife. This paper discusses the past history of wildlife research at Hanford and the individual species of wildlife that have been observed at Hanford. Forty species of mammals, 187 species of birds, 3 species of amphibians and 9 species of reptiles have been documented on the Hanford Site to date.
    Article · Sep 1991
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  • Space and Habitat Use by Greater Snow Goose Broods on Bylot Island, Northwest Territories
    [Show abstract] [Hide abstract] ABSTRACT: The brood-rearing season is a critical time for arctic-breeding geese because plant production is low and the growing season short. Thus, parental geese must efficiently exploit resources if young are to acquire adequate size and condition in preparation for fall migration. Current knowledge of habitat and space use by arctic-breeding geese is limited to some observations of unmarked birds. Thus, we studied habitat and space use of individual radio-marked greater snow geese (Chen caerulescens atlantica) in a high arctic environment. We radiotracked 20 goose families throughout the brood-rearing period in July and August 1989 and 1990, in a 70-km2 area of wet tundra and upland habitats on Bylot Island, Northwest Territories. Average use of habitat by radio-marked families was similar to that of unmarked geese, but individual space and habitat use patterns varied considerably. We identified 3 space use groups: sedentary (use of a single concentrated area of activity) families, shifters (use of >1 concentrated area), and wanderers (no concentrated area of activity). Home-range sizes for the 3 groups averaged 680, 1,660, and 1,820 ha, respectively. Initial movements between the nest and brood-rearing site ranged from <1 to 5 km for individual families in all 3 groups, but subsequent movements were greater for shifters (P < 0.001) and wanderers (P < 0.001) than for sedentary families. Sedentary families used a greater proportion of habitats with abundant ponds and lakes, compared with families in the other 2 groups, which used more upland habitat. Young of sedentary families tended to hatch earlier than those of shifters or wanderers, suggesting that sedentary females were more experienced individuals. Differences in use of habitat among families may account for some variation observed in body mass of goslings captured prior to fledging.
    Article · Jul 1994
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  • Factors influencing wetland use by Canada geese
    [Show abstract] [Hide abstract] ABSTRACT: Seasonal and semi-permanent wetlands in eastern South Dakota were surveyed in 1995 and 1996 to identify habitat characteristics influencing wetland use by Canada geese (Branta canadensis maxima). Position of a wetland within the landscape and its area were important landscape-scale features influencing wetland use by geese. Our delineation of potential Canada goose habitat using a wetland geographic information system indicated that distribution and area of semi-permanent wetlands likely limit Canada goose occurrence in regions outside the Prairie Coteau. Periodicity in hydrologic cycles within landscapes also may influence goose use of wetlands in eastern South Dakota.
    Full-text · Article · Dec 1997
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