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Dissertations / Theses on the topic 'Sandhill crane'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 January 2023

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1

Salande, Linda C. "Habitat suitability modeling for the Mississippi Sandhill Crane, Grus canadensis pulla." ScholarWorks@UNO, 2016. http://scholarworks.uno.edu/td/2224.

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In this study, I modeled the suitability of habitat on the Mississippi Sandhill Crane National Wildlife Refuge for the federally endangered Mississippi Sandhill Crane (Grus Canadensis pulla). Habitat type and suitability changed over time due to seasonality of vegetation and succession in the absence of burning. Cranes used highly suitable habitat more in the non-growing than in the growing season, and may have been more constrained by resource availability during winter months. Cranes used some less-suitable areas including cypress drains, which provide roosting sites, and supplemental food p

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2

Watanabe, Tsuyoshi. "Comparative breeding ecology of Lesser Sandhill Cranes (Grus canadensis canadensis) and Siberian cranes (G. leucogeranus) in Eastern Siberia." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4789.

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Populations of Lesser Sandhill Crane (Grus canadensis canadensis) have been increasing during the last decades in Eastern Siberia, an area historically known as breeding grounds of endangered Siberian Cranes (G. leucogeranus). Significant overlap in niche dimensions between the two species may occur and could lead to competition between them. Therefore, this study of comparative breeding ecology of common Lesser Sandhill Cranes and endangered Siberian Cranes was performed. From late May to early August 2000, I studied Lesser Sandhill and Siberian cranes within a 30,000-ha part of Kytalyk Resou

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3

Henkel, Jessica Renee. "Evaluation of the Genetic Management of the Endangered Mississippi Sandhill Crane (Grus canadensis pulla)." ScholarWorks@UNO, 2009. http://scholarworks.uno.edu/td/1024.

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The genetic status of the critically endangered Mississippi sandhill crane (Grus canadensis pulla) was analyzed using 2009 studbook data from the U.S. Fish and Wildlife Service managed captive breeding and release program. Microsatellite DNA data provided information on shared founder genotypes, allowing for refined analysis of genetic variation in the population, and informed breeding recommendations. The genetic variation observed in the Mississippi sandhill crane was contrasted with variation observed in the Florida sandhill crane (Grus canadensis pratensis). Results show far less variation

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4

McMillen, Janet L. "Productivity and movements of the greater sandhill crane population at Seney National Wildlife Refuge: potential for an antroduction of whooping cranes." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1298917399.

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5

McMillen, Janet L. "Productivity and movements of the greater sandhill crane population at Seney National Wildlife Refuge : potential for an introduction of whooping cranes /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487588939090135.

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6

Ruffman, Elizabeth A. "Effects of Prescribed Burns on Grassland Breeding Birds at Mississippi Sandhill Crane National Wildlife Refuge." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1776.

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There has been a critical decline in grassland bird populations due to habitat fragmentation and deterioration, and suppression of natural fires. Alteration of the disturbance cycle may lead to changes in vegetation structure and thus habitat suitability for breeding grassland birds. Management practices at the Mississippi Sandhill Crane National Wildlife Refuge, including the use of prescribed fire, are in need of evaluation. My study asked what frequency of prescribed burns is necessary to support breeding grassland birds and whether vegetation structure varies among burn units. In this stud

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7

Nicholson, Mary E. "Habitat Characteristics Affecting Site Occupation in Wintering Henslow’s Sparrows at Mississippi Sandhill Crane National Wildlife Refuge." ScholarWorks@UNO, 2011. http://scholarworks.uno.edu/td/1378.

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Henslow’s sparrow (Ammodramus henslowii) winters in recently burned sites in pine savannas of the Southeastern United States. Previous studies have suggested that factors such as seed abundance and litter depth are important to wintering Henslow’s sparrows. My study asked how habitat variables including vegetation structure, seed abundance, and arthropod abundance predict Henslow’s sparrow site occupancy at Mississippi Sandhill Crane National Wildlife Refuge. In this study, Henslow’s sparrow more often occupied sites burned one growing season earlier than sites burned two growing seasons earli

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8

Faulkner, Douglas W. "Short-term effects of prescribed burning on bird communities in coastal Pine Savanna." Virtual Press, 1996. http://liblink.bsu.edu/uhtbin/catkey/1020160.

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A substantial portion of the remaining coastal pine savanna in the southeastern U.S. is burned periodically to maintain habitat for the endangered Mississippi Sandhill Crane (Grus canadensis pulla). However, the effects of this burning on other species of birds are unknown. Therefore, a one-summer study was conducted to determine the short-term response of non-target bird species to changes in vegetation structure due to winter prescribed burning of coastal pine savanna. Eight 25-ha study plots were censused using the spot-mapping technique from May - July 1995 at the Mississippi Sandhill Cran

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9

Buck, Courtney E. "Habitat Suitability Index Model of the Florida Sandhill Crane (Grus canadensis pratensis) in West-Central Florida." Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7752.

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The Florida Sandhill Crane (Grus canadensis pratensis) is a state threatened endemic subspecies of the Sandhill Crane (Nesbitt & Tacha, 1997). With a population that was estimated at a maximum of 5,000 individuals in 2003 (Nesbitt & Hatchitt, 2008), it is imperative to identify potentially viable habitats, as Florida is rapidly developing. This research develops a Habitat Suitability Index model to determine unsuitable to optimally suitable habitat locations throughout west-central Florida. To do so, six suitability variables based on the crane’s life history were evaluated: Potential nesting

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10

Butler, Rose. "Sources of Nest Failure in Mississippi Sandhill Cranes, Grus canadensis pulla: Nest Survival Modeling and Predator Occupancy." ScholarWorks@UNO, 2009. http://scholarworks.uno.edu/td/1014.

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Low recruitment is the largest challenge facing the recovery of the critically endangered Mississippi Sandhill Crane (Grus canadensis pulla). Lack of information on sources of nest failure hinders effective management to increase recruitment. I examined sources of nest failure for 54 nests at the Mississippi Sandhill Crane National Wildlife Refuge, 2008-2009. Nest cameras identified predation as the primary source of failure, followed by flooding, abandonment, and egg inviability. Mean daily survival rate (DSR) was 0.72. The best approximating models included covariates for season date, temper

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11

Tucker, Jason Todd. "Movements, habitat selection, and home ranges of greater sandhill cranes (Grus candensis tabida) in Ohio." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1408987504.

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12

Downs, Joni A. "Population status and habitat utilization of greater sandhill cranes in Ohio." Connect to resource, 2004. http://rave.ohiolink.edu/etdc/view.cgi?acc%5Fnum=osu1260275130.

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13

Roessingh, Krista. "Nesting habitat and diet studies of sandhill cranes (Grus canadensis) from the central and north coast of British Columbia." Thesis, 2012. http://hdl.handle.net/1828/4168.

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The purpose of this study was to document the occurrence, habitat, and diet of sandhill cranes that breed in coastal British Columbia, a population believed to belong to the subspecies rowani. Specific objectives were to: 1) locate cranes and their nests in selected coastal areas of the central and north coasts (5138’N, 12805’W - 5400’N, 13037’W) and foster observer expertise in conducting aerial crane surveys; 2) describe sandhill crane nest habitat using a range of stand- and site-level characteristics; and, 3) identify diet content of breeding cranes from faecal samples. Helicopter surv

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14

Innes, Tyler. "An ecosystem-based management approach for maintaining sandhill crane nesting habitat on northern Vancouver Island." 2010. http://hdl.handle.net/10170/357.

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Sandhill Crane (Grus canadensis) migratory populations use wetland ecosystems on northern Vancouver Island for their breeding habitat. With wind energy development being proposed for the area, an ecosystem-based management approach is being used to maintain Sandhill Crane breeding habitat and biological diversity within the bog wetland complex of the Nahwitti Plateau at the northern tip of the island. Shelter, forage and nesting habitat suitability were identified and rated with a six-class scheme from April to October over a two-year period. Vegetation surveys and crane inventories were carri

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15

El, Tayeb Amna Bashir. "Preparation and evaluation of pasteurella multocida vaccines in waterfowl and sandhill cranes." 1993. http://catalog.hathitrust.org/api/volumes/oclc/29850785.html.

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