TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008
Re-introduction of trumpeter swans (Cygnus buccinator) at Lacreek National Wildlife Refuge (NWR) began in the early 1960s to restore extirpated populations that existed in this region prior to settlement (Monnie 1966). Cygnets from Red Rock Lakes NWR were translocated to Lacreek to establish the Hig...
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2009
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ftunivnebraskali:oai:digitalcommons.unl.edu:usfwspubs-1513 2023-11-12T04:27:05+01:00 TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008 Vrtiska, Mark Comeau, Shilo 2009-05-01T07:00:00Z application/pdf https://digitalcommons.unl.edu/usfwspubs/485 https://digitalcommons.unl.edu/context/usfwspubs/article/1513/viewcontent/TRUS_SURVEY_REPORT09.pdf unknown DigitalCommons@University of Nebraska - Lincoln https://digitalcommons.unl.edu/usfwspubs/485 https://digitalcommons.unl.edu/context/usfwspubs/article/1513/viewcontent/TRUS_SURVEY_REPORT09.pdf US Fish & Wildlife Publications text 2009 ftunivnebraskali 2023-10-30T09:52:43Z Re-introduction of trumpeter swans (Cygnus buccinator) at Lacreek National Wildlife Refuge (NWR) began in the early 1960s to restore extirpated populations that existed in this region prior to settlement (Monnie 1966). Cygnets from Red Rock Lakes NWR were translocated to Lacreek to establish the High Plains (formerly, Lacreek) flock of the Interior Population. Since then, the number of birds comprising the High Plains flock has increased steadily and their range has expanded. Swans are now commonly observed throughout most of the western and parts of the eastern Sandhills of Nebraska (Fig. 1). Prior to the winter of 2005, aerial surveys were conducted by staff stationed at Lacreek NWR to quantify the number swans in the High Plains flock. Beginning in 2005, in coordination with the annual Mid-Winter Survey (MWS, Blohm 1989), counts of trumpeter swans were obtained in accordance with management plans for these swans (Lacreek National Wildlife Refuge 1982, Subcommittee on the Interior Population of Trumpeter Swans 1997), and the special swan surveys conducted by Lacreek staff were discontinued. The current management plan for this flock (Comeau-Kingfisher and Koerner 2005) specifies population objectives and management strategies for monitoring population status. Winter surveys are conducted annually to assess wintering-ground abundance and distribution of swans. Text Swan Surveys University of Nebraska-Lincoln: DigitalCommons@UNL Red Rock ENVELOPE(-54.531,-54.531,49.667,49.667) |
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Open Polar |
collection |
University of Nebraska-Lincoln: DigitalCommons@UNL |
op_collection_id |
ftunivnebraskali |
language |
unknown |
description |
Re-introduction of trumpeter swans (Cygnus buccinator) at Lacreek National Wildlife Refuge (NWR) began in the early 1960s to restore extirpated populations that existed in this region prior to settlement (Monnie 1966). Cygnets from Red Rock Lakes NWR were translocated to Lacreek to establish the High Plains (formerly, Lacreek) flock of the Interior Population. Since then, the number of birds comprising the High Plains flock has increased steadily and their range has expanded. Swans are now commonly observed throughout most of the western and parts of the eastern Sandhills of Nebraska (Fig. 1). Prior to the winter of 2005, aerial surveys were conducted by staff stationed at Lacreek NWR to quantify the number swans in the High Plains flock. Beginning in 2005, in coordination with the annual Mid-Winter Survey (MWS, Blohm 1989), counts of trumpeter swans were obtained in accordance with management plans for these swans (Lacreek National Wildlife Refuge 1982, Subcommittee on the Interior Population of Trumpeter Swans 1997), and the special swan surveys conducted by Lacreek staff were discontinued. The current management plan for this flock (Comeau-Kingfisher and Koerner 2005) specifies population objectives and management strategies for monitoring population status. Winter surveys are conducted annually to assess wintering-ground abundance and distribution of swans. |
format |
Text |
author |
Vrtiska, Mark Comeau, Shilo |
spellingShingle |
Vrtiska, Mark Comeau, Shilo TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008 |
author_facet |
Vrtiska, Mark Comeau, Shilo |
author_sort |
Vrtiska, Mark |
title |
TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008 |
title_short |
TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008 |
title_full |
TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008 |
title_fullStr |
TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008 |
title_full_unstemmed |
TRUMPETER SWAN SURVEY of the HIGH PLAINS FLOCK, INTERIOR POPULATION Winter 2008 |
title_sort |
trumpeter swan survey of the high plains flock, interior population winter 2008 |
publisher |
DigitalCommons@University of Nebraska - Lincoln |
publishDate |
2009 |
url |
https://digitalcommons.unl.edu/usfwspubs/485 https://digitalcommons.unl.edu/context/usfwspubs/article/1513/viewcontent/TRUS_SURVEY_REPORT09.pdf |
long_lat |
ENVELOPE(-54.531,-54.531,49.667,49.667) |
geographic |
Red Rock |
geographic_facet |
Red Rock |
genre |
Swan Surveys |
genre_facet |
Swan Surveys |
op_source |
US Fish & Wildlife Publications |
op_relation |
https://digitalcommons.unl.edu/usfwspubs/485 https://digitalcommons.unl.edu/context/usfwspubs/article/1513/viewcontent/TRUS_SURVEY_REPORT09.pdf |
_version_ |
1782340819438534656 |