{"id":500,"date":"2026-06-22T21:23:32","date_gmt":"2026-06-22T21:23:32","guid":{"rendered":"https:\/\/dev.www.purdue.edu\/fnr\/bataille\/?page_id=500"},"modified":"2026-06-22T21:23:33","modified_gmt":"2026-06-22T21:23:33","slug":"aquatic-animal-migration-and-management","status":"publish","type":"page","link":"https:\/\/www.purdue.edu\/fnr\/bataille\/aquatic-animal-migration-and-management\/","title":{"rendered":"Aquatic Animal Migration and Management"},"content":{"rendered":"\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h1 class=\"wp-block-heading\">Aquatic Animal Migration and Management<\/h1>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"alignwide wp-block-paragraph\"><br>We extend isotope geolocation to aquatic and marine systems, tracing how animals move between freshwater, coastal, and marine environments. Current projects include developing geolocation techniques to track migration between marine, lake and freshwater habitats, and quantifying the seasonal movements, trophic ecology, and land-sea or river-lake coupling of Arctic and sub-Arctic habitats for fishes and marine mammals including salmon, narwhal, beluga, and seals. This work supports fisheries science, marine conservation, and climate-change biology.<\/p>\n\n\n\n<p class=\"alignwide wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"319\" src=\"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-content\/uploads\/2026\/06\/workflow-environment-history-tusks-w1300-1024x319.jpg\" alt=\"Workflow for reconstructing environmental histories from tusk biological archives. See caption below for more details.\" class=\"wp-image-502\" srcset=\"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-content\/uploads\/2026\/06\/workflow-environment-history-tusks-w1300-1024x319.jpg 1024w, https:\/\/www.purdue.edu\/fnr\/bataille\/wp-content\/uploads\/2026\/06\/workflow-environment-history-tusks-w1300-300x93.jpg 300w, https:\/\/www.purdue.edu\/fnr\/bataille\/wp-content\/uploads\/2026\/06\/workflow-environment-history-tusks-w1300-768x239.jpg 768w, https:\/\/www.purdue.edu\/fnr\/bataille\/wp-content\/uploads\/2026\/06\/workflow-environment-history-tusks-w1300.jpg 1300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Workflow for reconstructing environmental histories from tusk biological archives.<\/strong><br>(1) Annual growth layers within the tusk provide a chronological record of the organism\u2019s life history.<br>(2) High-resolution micro-sampling along the growth axis is performed using a computer-controlled drill to extract sequential samples.<br>(3) Isotopic (\u03b4\u00b9\u2075N, \u03b4\u00b9\u00b3C) and trace element analyses (e.g., Ba\/Ca, Sr\/Ca) generate time series that reveal ecological and environmental variability over decadal scales.<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquatic Animal Migration and Management We extend isotope geolocation to aquatic and marine systems, tracing how animals move between freshwater, coastal, and marine environments. Current projects include developing geolocation techniques to track migration between marine, lake and freshwater habitats, and<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-500","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages\/500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/comments?post=500"}],"version-history":[{"count":3,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages\/500\/revisions"}],"predecessor-version":[{"id":513,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages\/500\/revisions\/513"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/media?parent=500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}