TURNOVER RATES OF FALL-MIGRATING PECTORAL SANDPIPERS IN THE LOWER MISSISSIPPI ALLUVIAL VALLEY
Knowledge of the length of time spent at migratory stopover sites, or stopover duration, can help biologists estimate the total number of birds passing through a site, which in turn can be used to estimate population size. We estimated the stopover duration for 106 radiomarked pectoral sandpipers (C...
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description | Knowledge of the length of time spent at migratory stopover sites, or stopover duration, can help biologists estimate the total number of birds passing through a site, which in turn can be used to estimate population size. We estimated the stopover duration for 106 radiomarked pectoral sandpipers (Calidris melanotos) in the Lower Mississippi River Alluvial Valley (MAV) during fall migrations in 2001 and 2002. We estimated time-at-site-after-capture by tracking radiomarked birds daily to determine their time of departure from stopover sites. We used length-biased sampling and program DISTANCE to estimate stopover duration from time-at-site-after-capture. Our estimate of stopover duration for pectoral sandpipers in the MAV over all sites and both years was 10.0 days (95% CI = 8.2–11.7). Aerial telemetry relocations from 2002 indicated that many pectoral sandpipers used multiple stopover sites during their migration through the MAV, which suggested that the total time spent by pectoral sandpipers in the MAV during fall migration, or turnover rate, was longer than the stopover duration. Future research should focus on estimating the number of stopover sites used by pectoral sandpipers and determine whether other shore-bird species use multiple sites as well. If shorebirds migrating through the MAV stay in the region for a period longer than the 10 days suggested by the Lower Mississippi Valley Joint Venture (LMVJV) Migratory Bird Science Team in their modeling of shorebird energetic requirements, then more habitat may be required by shorebirds during fall migration than the 2,000 ha the group calculated for the MAV. |
doi_str_mv | 10.2193/0022-541X(2005)069[0671:TROFPS]2.0.CO;2 |
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We estimated the stopover duration for 106 radiomarked pectoral sandpipers (Calidris melanotos) in the Lower Mississippi River Alluvial Valley (MAV) during fall migrations in 2001 and 2002. We estimated time-at-site-after-capture by tracking radiomarked birds daily to determine their time of departure from stopover sites. We used length-biased sampling and program DISTANCE to estimate stopover duration from time-at-site-after-capture. Our estimate of stopover duration for pectoral sandpipers in the MAV over all sites and both years was 10.0 days (95% CI = 8.2–11.7). Aerial telemetry relocations from 2002 indicated that many pectoral sandpipers used multiple stopover sites during their migration through the MAV, which suggested that the total time spent by pectoral sandpipers in the MAV during fall migration, or turnover rate, was longer than the stopover duration. Future research should focus on estimating the number of stopover sites used by pectoral sandpipers and determine whether other shore-bird species use multiple sites as well. If shorebirds migrating through the MAV stay in the region for a period longer than the 10 days suggested by the Lower Mississippi Valley Joint Venture (LMVJV) Migratory Bird Science Team in their modeling of shorebird energetic requirements, then more habitat may be required by shorebirds during fall migration than the 2,000 ha the group calculated for the MAV.</description><identifier>ISSN: 0022-541X</identifier><identifier>EISSN: 1937-2817</identifier><identifier>DOI: 10.2193/0022-541X(2005)069[0671:TROFPS]2.0.CO;2</identifier><identifier>CODEN: JWMAA9</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Agricultural management ; Animal migration behavior ; Aquatic birds ; Biotelemetry ; Bird banding ; Bird migration ; Birds ; Calidris melanotos ; CONTENTS ; Cosine function ; duration ; Freshwater ; length-biased-sampling ; Lower Mississippi Alluvial Valley ; migration ; Migratory birds ; pectoral sandpiper ; Pectorals ; Population number ; Radio transmitters ; radiotelemetry ; Sandpipers ; seasonal migration ; shorebirds ; stopover duration ; Telemetry ; turnover rate ; Valleys ; wild birds ; Wildlife habitats ; Wildlife management ; Wildlife refuges</subject><ispartof>The Journal of wildlife management, 2005-04, Vol.69 (2), p.671-680</ispartof><rights>The Wildlife Society</rights><rights>Copyright 2005 The Wildlife Society</rights><rights>2005 The Wildlife Society</rights><rights>Copyright Wildlife Society Apr 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b5626-96def1c722331446ef87da9bd3422bf2465772d0aca7bff3fd5fb944a5dc5ced3</citedby><cites>FETCH-LOGICAL-b5626-96def1c722331446ef87da9bd3422bf2465772d0aca7bff3fd5fb944a5dc5ced3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3803738$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3803738$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,1411,27903,27904,45553,45554,57995,58228</link.rule.ids></links><search><contributor>Smallwood</contributor><creatorcontrib>LEHNEN, SARAH E</creatorcontrib><creatorcontrib>KREMENTZ, DAVID G</creatorcontrib><title>TURNOVER RATES OF FALL-MIGRATING PECTORAL SANDPIPERS IN THE LOWER MISSISSIPPI ALLUVIAL VALLEY</title><title>The Journal of wildlife management</title><description>Knowledge of the length of time spent at migratory stopover sites, or stopover duration, can help biologists estimate the total number of birds passing through a site, which in turn can be used to estimate population size. We estimated the stopover duration for 106 radiomarked pectoral sandpipers (Calidris melanotos) in the Lower Mississippi River Alluvial Valley (MAV) during fall migrations in 2001 and 2002. We estimated time-at-site-after-capture by tracking radiomarked birds daily to determine their time of departure from stopover sites. We used length-biased sampling and program DISTANCE to estimate stopover duration from time-at-site-after-capture. Our estimate of stopover duration for pectoral sandpipers in the MAV over all sites and both years was 10.0 days (95% CI = 8.2–11.7). Aerial telemetry relocations from 2002 indicated that many pectoral sandpipers used multiple stopover sites during their migration through the MAV, which suggested that the total time spent by pectoral sandpipers in the MAV during fall migration, or turnover rate, was longer than the stopover duration. Future research should focus on estimating the number of stopover sites used by pectoral sandpipers and determine whether other shore-bird species use multiple sites as well. If shorebirds migrating through the MAV stay in the region for a period longer than the 10 days suggested by the Lower Mississippi Valley Joint Venture (LMVJV) Migratory Bird Science Team in their modeling of shorebird energetic requirements, then more habitat may be required by shorebirds during fall migration than the 2,000 ha the group calculated for the MAV.</description><subject>Agricultural management</subject><subject>Animal migration behavior</subject><subject>Aquatic birds</subject><subject>Biotelemetry</subject><subject>Bird banding</subject><subject>Bird migration</subject><subject>Birds</subject><subject>Calidris melanotos</subject><subject>CONTENTS</subject><subject>Cosine function</subject><subject>duration</subject><subject>Freshwater</subject><subject>length-biased-sampling</subject><subject>Lower Mississippi Alluvial Valley</subject><subject>migration</subject><subject>Migratory birds</subject><subject>pectoral sandpiper</subject><subject>Pectorals</subject><subject>Population number</subject><subject>Radio transmitters</subject><subject>radiotelemetry</subject><subject>Sandpipers</subject><subject>seasonal migration</subject><subject>shorebirds</subject><subject>stopover duration</subject><subject>Telemetry</subject><subject>turnover rate</subject><subject>Valleys</subject><subject>wild birds</subject><subject>Wildlife habitats</subject><subject>Wildlife management</subject><subject>Wildlife 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SARAH E</creator><creator>KREMENTZ, DAVID G</creator><general>Blackwell Publishing Ltd</general><general>The Wildlife 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RATES OF FALL-MIGRATING PECTORAL SANDPIPERS IN THE LOWER MISSISSIPPI ALLUVIAL VALLEY</title><author>LEHNEN, SARAH E ; KREMENTZ, DAVID G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b5626-96def1c722331446ef87da9bd3422bf2465772d0aca7bff3fd5fb944a5dc5ced3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Agricultural management</topic><topic>Animal migration behavior</topic><topic>Aquatic birds</topic><topic>Biotelemetry</topic><topic>Bird banding</topic><topic>Bird migration</topic><topic>Birds</topic><topic>Calidris melanotos</topic><topic>CONTENTS</topic><topic>Cosine function</topic><topic>duration</topic><topic>Freshwater</topic><topic>length-biased-sampling</topic><topic>Lower Mississippi Alluvial Valley</topic><topic>migration</topic><topic>Migratory birds</topic><topic>pectoral sandpiper</topic><topic>Pectorals</topic><topic>Population number</topic><topic>Radio transmitters</topic><topic>radiotelemetry</topic><topic>Sandpipers</topic><topic>seasonal migration</topic><topic>shorebirds</topic><topic>stopover duration</topic><topic>Telemetry</topic><topic>turnover rate</topic><topic>Valleys</topic><topic>wild birds</topic><topic>Wildlife habitats</topic><topic>Wildlife management</topic><topic>Wildlife refuges</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LEHNEN, SARAH E</creatorcontrib><creatorcontrib>KREMENTZ, DAVID G</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</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 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E</au><au>KREMENTZ, DAVID G</au><au>Smallwood</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>TURNOVER RATES OF FALL-MIGRATING PECTORAL SANDPIPERS IN THE LOWER MISSISSIPPI ALLUVIAL VALLEY</atitle><jtitle>The Journal of wildlife management</jtitle><date>2005-04</date><risdate>2005</risdate><volume>69</volume><issue>2</issue><spage>671</spage><epage>680</epage><pages>671-680</pages><issn>0022-541X</issn><eissn>1937-2817</eissn><coden>JWMAA9</coden><abstract>Knowledge of the length of time spent at migratory stopover sites, or stopover duration, can help biologists estimate the total number of birds passing through a site, which in turn can be used to estimate population size. We estimated the stopover duration for 106 radiomarked pectoral sandpipers (Calidris melanotos) in the Lower Mississippi River Alluvial Valley (MAV) during fall migrations in 2001 and 2002. We estimated time-at-site-after-capture by tracking radiomarked birds daily to determine their time of departure from stopover sites. We used length-biased sampling and program DISTANCE to estimate stopover duration from time-at-site-after-capture. Our estimate of stopover duration for pectoral sandpipers in the MAV over all sites and both years was 10.0 days (95% CI = 8.2–11.7). Aerial telemetry relocations from 2002 indicated that many pectoral sandpipers used multiple stopover sites during their migration through the MAV, which suggested that the total time spent by pectoral sandpipers in the MAV during fall migration, or turnover rate, was longer than the stopover duration. Future research should focus on estimating the number of stopover sites used by pectoral sandpipers and determine whether other shore-bird species use multiple sites as well. If shorebirds migrating through the MAV stay in the region for a period longer than the 10 days suggested by the Lower Mississippi Valley Joint Venture (LMVJV) Migratory Bird Science Team in their modeling of shorebird energetic requirements, then more habitat may be required by shorebirds during fall migration than the 2,000 ha the group calculated for the MAV.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.2193/0022-541X(2005)069[0671:TROFPS]2.0.CO;2</doi><tpages>10</tpages></addata></record> |
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source | Wiley Online Library Journals Frontfile Complete; Jstor Complete Legacy |
subjects | Agricultural management Animal migration behavior Aquatic birds Biotelemetry Bird banding Bird migration Birds Calidris melanotos CONTENTS Cosine function duration Freshwater length-biased-sampling Lower Mississippi Alluvial Valley migration Migratory birds pectoral sandpiper Pectorals Population number Radio transmitters radiotelemetry Sandpipers seasonal migration shorebirds stopover duration Telemetry turnover rate Valleys wild birds Wildlife habitats Wildlife management Wildlife refuges |
title | TURNOVER RATES OF FALL-MIGRATING PECTORAL SANDPIPERS IN THE LOWER MISSISSIPPI ALLUVIAL VALLEY |
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