Survival of Postfledging Female American Black Ducks
We equipped 106 hatching-year (HY), female, black ducks (Anas rubripes) with transmitters during 1985-87 and monitored survival from late August to mid-December on a lightly hunted area on the Maine-New Brunswick border. The 1985-87 estimate of survival (hunting losses included) was 0.593, and when...
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| Veröffentlicht in: | The Journal of wildlife management 1991-10, Vol.55 (4), p.573-580 |
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| container_title | The Journal of wildlife management |
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| creator | Longcore, Jerry R. McAuley, Daniel G. Frazer, Catherine |
| description | We equipped 106 hatching-year (HY), female, black ducks (Anas rubripes) with transmitters during 1985-87 and monitored survival from late August to mid-December on a lightly hunted area on the Maine-New Brunswick border. The 1985-87 estimate of survival (hunting losses included) was 0.593, and when losses from hunting were censored it was 0.694. Survival in August-September was 0.987; by 31 October survival declined to 0.885, and by 30 November it was 0.718. Most nonhunting mortality was caused by predators (21/41, 53.2%); there were 14 deaths (34.1%) from mammals or unknown predators and 7 (17.1%) from raptors. Hunting caused 13 (31.7%) deaths. Ducks with lowest mass had the lowest survival. The estimate of survival for postfledging female black ducks, when multiplied with interval survival rates for hunting, winter, and breeding periods, produced an annual survival estimate of 0.262, about 12% lower than that (0.38) based on analysis of banding data. |
| doi_str_mv | 10.2307/3809501 |
| format | Article |
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The 1985-87 estimate of survival (hunting losses included) was 0.593, and when losses from hunting were censored it was 0.694. Survival in August-September was 0.987; by 31 October survival declined to 0.885, and by 30 November it was 0.718. Most nonhunting mortality was caused by predators (21/41, 53.2%); there were 14 deaths (34.1%) from mammals or unknown predators and 7 (17.1%) from raptors. Hunting caused 13 (31.7%) deaths. Ducks with lowest mass had the lowest survival. The estimate of survival for postfledging female black ducks, when multiplied with interval survival rates for hunting, winter, and breeding periods, produced an annual survival estimate of 0.262, about 12% lower than that (0.38) based on analysis of banding data.</description><identifier>ISSN: 0022-541X</identifier><identifier>EISSN: 1937-2817</identifier><identifier>DOI: 10.2307/3809501</identifier><identifier>CODEN: JWMAA9</identifier><language>eng</language><publisher>Bethesda, MD: The Wildlife Society</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Aquatic birds ; Biological and medical sciences ; Birds ; Censorship ; Ducks ; Fowling ; Fundamental and applied biological sciences. 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The 1985-87 estimate of survival (hunting losses included) was 0.593, and when losses from hunting were censored it was 0.694. Survival in August-September was 0.987; by 31 October survival declined to 0.885, and by 30 November it was 0.718. Most nonhunting mortality was caused by predators (21/41, 53.2%); there were 14 deaths (34.1%) from mammals or unknown predators and 7 (17.1%) from raptors. Hunting caused 13 (31.7%) deaths. Ducks with lowest mass had the lowest survival. The estimate of survival for postfledging female black ducks, when multiplied with interval survival rates for hunting, winter, and breeding periods, produced an annual survival estimate of 0.262, about 12% lower than that (0.38) based on analysis of banding data.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Aquatic birds</subject><subject>Biological and medical sciences</subject><subject>Birds</subject><subject>Censorship</subject><subject>Ducks</subject><subject>Fowling</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hatching</subject><subject>Mink</subject><subject>Moose hunting</subject><subject>Mortality</subject><subject>Survival rates</subject><subject>Waterfowl</subject><subject>Wetlands</subject><subject>Wildlife habitats</subject><issn>0022-541X</issn><issn>1937-2817</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNp10F9LwzAUh-EgCs4pfoUiglfVkz9NTi7ndCoMFFTwrqRpMrp17Uzagd_eyoZeeXVuHt4DP0LOKVwzDuqGI-gM6AEZUc1VypCqQzICYCzNBP04JicxLgE4pShHRLz2YVttTZ20PnlpY-drVy6qZpHM3NrULpmsXaisaZLb2thVctfbVTwlR97U0Z3t75i8z-7fpo_p_PnhaTqZp5YDdilmXHuklCrmS-lLgcpryThzJRO0yFAWsuAamSsMSFWgMkaABFDMFigkH5OLXXcT2s_exS5ftn1ohpc544JBpgEHdLVDNrQxBufzTajWJnzlFPKfRfL9IoO83OdMtKb2wTS2ir88oxoE4h9bxq4N_9a-AVkBZ3Q</recordid><startdate>19911001</startdate><enddate>19911001</enddate><creator>Longcore, Jerry R.</creator><creator>McAuley, Daniel G.</creator><creator>Frazer, Catherine</creator><general>The Wildlife Society</general><general>Wildlife Society</general><general>Blackwell Publishing Ltd</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7U6</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>19911001</creationdate><title>Survival of Postfledging Female American Black Ducks</title><author>Longcore, Jerry R. ; McAuley, Daniel G. ; Frazer, Catherine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c308t-8539f811172fd6fd487f96232ed241b586b6b3982eba067b87aa4060072cb8463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Aquatic birds</topic><topic>Biological and medical sciences</topic><topic>Birds</topic><topic>Censorship</topic><topic>Ducks</topic><topic>Fowling</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hatching</topic><topic>Mink</topic><topic>Moose hunting</topic><topic>Mortality</topic><topic>Survival rates</topic><topic>Waterfowl</topic><topic>Wetlands</topic><topic>Wildlife habitats</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Longcore, Jerry R.</creatorcontrib><creatorcontrib>McAuley, Daniel G.</creatorcontrib><creatorcontrib>Frazer, Catherine</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Sustainability Science Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>The Journal of wildlife management</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Longcore, Jerry R.</au><au>McAuley, Daniel G.</au><au>Frazer, Catherine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Survival of Postfledging Female American Black Ducks</atitle><jtitle>The Journal of wildlife management</jtitle><date>1991-10-01</date><risdate>1991</risdate><volume>55</volume><issue>4</issue><spage>573</spage><epage>580</epage><pages>573-580</pages><issn>0022-541X</issn><eissn>1937-2817</eissn><coden>JWMAA9</coden><abstract>We equipped 106 hatching-year (HY), female, black ducks (Anas rubripes) with transmitters during 1985-87 and monitored survival from late August to mid-December on a lightly hunted area on the Maine-New Brunswick border. The 1985-87 estimate of survival (hunting losses included) was 0.593, and when losses from hunting were censored it was 0.694. Survival in August-September was 0.987; by 31 October survival declined to 0.885, and by 30 November it was 0.718. Most nonhunting mortality was caused by predators (21/41, 53.2%); there were 14 deaths (34.1%) from mammals or unknown predators and 7 (17.1%) from raptors. Hunting caused 13 (31.7%) deaths. Ducks with lowest mass had the lowest survival. The estimate of survival for postfledging female black ducks, when multiplied with interval survival rates for hunting, winter, and breeding periods, produced an annual survival estimate of 0.262, about 12% lower than that (0.38) based on analysis of banding data.</abstract><cop>Bethesda, MD</cop><pub>The Wildlife Society</pub><doi>10.2307/3809501</doi><tpages>8</tpages></addata></record> |
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| ispartof | The Journal of wildlife management, 1991-10, Vol.55 (4), p.573-580 |
| issn | 0022-541X 1937-2817 |
| language | eng |
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| source | Jstor Complete Legacy |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Aquatic birds Biological and medical sciences Birds Censorship Ducks Fowling Fundamental and applied biological sciences. Psychology Hatching Mink Moose hunting Mortality Survival rates Waterfowl Wetlands Wildlife habitats |
| title | Survival of Postfledging Female American Black Ducks |
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