{"id":33164,"date":"2026-03-30T15:52:50","date_gmt":"2026-03-30T19:52:50","guid":{"rendered":"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/?p=33164"},"modified":"2026-04-06T16:35:40","modified_gmt":"2026-04-06T20:35:40","slug":"spring-2026-pamlico-sound-shrimp-population","status":"publish","type":"post","link":"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/spring-2026-pamlico-sound-shrimp-population\/","title":{"rendered":"Gauging Pamlico Sound&#8217;s Shrimp Population"},"content":{"rendered":"\n\n\n\n\n<p class=\"wp-block-paragraph\">.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><a href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA.png\" data-fullsize=\"2048x1116\" data-zoom=\"true\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"558\" src=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA-1024x558.png\" alt=\"image: close-up of a white shrimp.\" class=\"wp-image-33128\" srcset=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA-1024x558.png 1024w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA-300x164.png 300w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA-768x419.png 768w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA-1536x837.png 1536w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">A white shrimp. Photo credit: NOAA.<\/figcaption><\/figure>\n\n\n<blockquote class=\"has-custombg-one-text-color wp-block-ncst-pullquote\">\n  <div class=\"pullquote-container\">\n    <p class=\"pullquote-content\">A new North Carolina Sea Grant study shows that combining shrimpers\u2019 local knowledge\u00a0with traditional science leads to a clearer picture of why shrimp populations fluctuate.\u00a0<\/p>\n  <\/div>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Shrimp play a crucial role in North Carolina estuarine and oceanic food webs and as one of the state\u2019s most valuable fisheries. Commercial harvests include brown, white, and pink shrimp, and the catch rates of all three species can vary widely from year to year as a result of changes in the numbers and locations of the three populations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our research team at East Carolina University\u2019s Coastal Studies Institute recently used more than 30 years of data from the NC Division of Marine Fisheries\u2019 trawl survey in Pamlico Sound to understand whether environmental changes were linked to changes in shrimp populations. Our models performed incredibly well, and for brown and white shrimp \u2014 the most commercially important of the three species \u2014 the models could predict at least 75% of the variability in the populations by incorporating factors like salinity, temperature, wind speed and direction, and the abundance of spawning adult shrimp.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Local Shrimpers and What They Know<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">This led our team to a new question: Could we learn even more by also incorporating fishers\u2019 knowledge of which environmental conditions influence shrimp populations? We combined ecological models and a survey of commercial shrimp fishers to study the influence of storms, wind, rainfall, temperature, and offshore reproduction on the abundance of white and brown shrimp in Pamlico Sound.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><a href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-scaled.jpg\" data-fullsize=\"2005x2560\" data-zoom=\"true\"><img loading=\"lazy\" decoding=\"async\" width=\"802\" height=\"1024\" src=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-802x1024.jpg\" alt=\"\" class=\"wp-image-33129\" srcset=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-802x1024.jpg 802w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-235x300.jpg 235w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-768x981.jpg 768w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-1203x1536.jpg 1203w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-1604x2048.jpg 1604w, https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-scaled.jpg 2005w\" sizes=\"auto, (max-width: 802px) 100vw, 802px\" \/><\/a><figcaption class=\"wp-element-caption\">A shrimper repairs his net. Credit: NCSU Photos.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Storms, rainfall, and ocean temperature are the main factors driving shrimp populations, according to fishers\u2019 local ecological knowledge. Modeling also identified wind as an important predictor. Both the local ecological knowledge and our modeling results showed that white shrimp populations have been on the rise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our findings indicate that the local knowledge of fishers and scientific modeling are valuable for fisheries management and can inform policy decisions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A more participatory approach for the shrimp fishery could enhance information exchange and mutual, perceived trustworthiness among fishers and managers. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>the full study<\/strong><br><a href=\"https:\/\/doi.org\/10.3389\/fmars.2025.1589076\"><strong>\u201cEnvironmental Drivers of Shrimp Abundance: Comparing Insights&nbsp; from Local Ecological Knowledge and Empirical Modeling\u201d<\/strong><\/a> in <em>Frontiers&nbsp; in Marine Science<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>see also<\/strong><br><a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0285498\">\u201c<strong>Environmental and Climate Variability Drive Population Size of Annual Penaeid Shrimp in a Large Lagoonal Estuary<\/strong>\u201d<\/a> in <em>PLoS ONE<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/category\/sustainable-fisheries-and-aquaculture\/\">more on sustainable fisheries <\/a>&nbsp;&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nadine Heck<\/strong> is an assistant professor in the Department of Coastal Studies at East Carolina University. Her research explores human-environment interaction in the context of fisheries, protected areas, and ecosystem-based adaptation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>James Morley<\/strong> is a fishery ecologist in the Department of Biology at East Carolina University.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lela Schlenker<\/strong> is a marine ecologist with experience in research, scientific communication, teaching, and renewable energy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Samantha Farquhar<\/strong> is a lecturer in marine and environmental science at the Coast Guard Academy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This story originally appeared in North Carolina Sea Grant\u2019s award-winning <em>Hook, Line &amp; Science<\/em> series. Visit <a href=\"https:\/\/hooklinescience.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>HookLineScience.com<\/em><\/a>.<\/p>\n\n\n<div class=\"is-text wp-block-ncst-buttons\">\n    \n<div class=\"wp-block-ncst-button\">\n      <a\n        class=\"ncst-block__button-link btn\"\n        href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/spring-2026\/\"\n        data-ncst-lightbox=\"false\"\n                      >\n                  <span class=\"text\">from SPRING 2026<\/span><span class=\"arrow-indicator\"><svg class=\"wolficon wolficon-arrow-right-bold\" role=\"img\"  aria-hidden=\"true\">\n\t\t\t\n\t\t\t<use xlink:href=\"#wolficon-arrow-right-bold\">\n\t\t<\/svg><\/span>\n              <\/a>\n    <\/div>\n  \n\n  <\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false,"raw":"<!-- wp:ncst\/dynamic-header {\"block\":\"ncst\/default-post-header\"} -->\n<!-- wp:ncst\/default-post-header {\"showReadingTime\":false,\"subtitle\":\"\\u003cstrong\\u003eShrimpers, Scientists, and What They Can Tell Us\\u003c\/strong\\u003e\"} \/-->\n<!-- \/wp:ncst\/dynamic-header -->\n\n<!-- wp:paragraph -->\n<p>.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":33128,\"sizeSlug\":\"large\",\"linkDestination\":\"media\",\"align\":\"wide\"} -->\n<figure class=\"wp-block-image alignwide size-large\"><a href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA.png\"><img src=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/2nd-photo-SUSTAINABLE-FISHERIES-Adult-white-shrimp-Litopenaeus-setiferus-NOAA-1024x558.png\" alt=\"image: close-up of a white shrimp.\" class=\"wp-image-33128\" \/><\/a><figcaption class=\"wp-element-caption\">A white shrimp. Photo credit: NOAA.<\/figcaption><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:ncst\/pullquote {\"value\":\"A new North Carolina Sea Grant study shows that combining shrimpers\u2019 local knowledge\u00a0with traditional science leads to a clearer picture of why shrimp populations fluctuate.\u00a0\"} \/-->\n\n<!-- wp:paragraph -->\n<p>Shrimp play a crucial role in North Carolina estuarine and oceanic food webs and as one of the state\u2019s most valuable fisheries. Commercial harvests include brown, white, and pink shrimp, and the catch rates of all three species can vary widely from year to year as a result of changes in the numbers and locations of the three populations.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Our research team at East Carolina University\u2019s Coastal Studies Institute recently used more than 30 years of data from the NC Division of Marine Fisheries\u2019 trawl survey in Pamlico Sound to understand whether environmental changes were linked to changes in shrimp populations. Our models performed incredibly well, and for brown and white shrimp \u2014 the most commercially important of the three species \u2014 the models could predict at least 75% of the variability in the populations by incorporating factors like salinity, temperature, wind speed and direction, and the abundance of spawning adult shrimp.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4,\"levelOptions\":[2,3,4,5,6]} -->\n<h4>Local Shrimpers and What They Know<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>This led our team to a new question: Could we learn even more by also incorporating fishers\u2019 knowledge of which environmental conditions influence shrimp populations? We combined ecological models and a survey of commercial shrimp fishers to study the influence of storms, wind, rainfall, temperature, and offshore reproduction on the abundance of white and brown shrimp in Pamlico Sound.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":33129,\"sizeSlug\":\"large\",\"linkDestination\":\"media\",\"align\":\"wide\"} -->\n<figure class=\"wp-block-image alignwide size-large\"><a href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-scaled.jpg\"><img src=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/wp-content\/uploads\/sites\/13\/2026\/03\/LEAD-PHOTO-SUSTAINABLE-FISHERIES-shrimper-repairs-his-net-NCSU-pic-SG.Carteret.0232-802x1024.jpg\" alt=\"\" class=\"wp-image-33129\" \/><\/a><figcaption class=\"wp-element-caption\">A shrimper repairs his net. Credit: NCSU Photos.<\/figcaption><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>Storms, rainfall, and ocean temperature are the main factors driving shrimp populations, according to fishers\u2019 local ecological knowledge. Modeling also identified wind as an important predictor. Both the local ecological knowledge and our modeling results showed that white shrimp populations have been on the rise.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Our findings indicate that the local knowledge of fishers and scientific modeling are valuable for fisheries management and can inform policy decisions.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>A more participatory approach for the shrimp fishery could enhance information exchange and mutual, perceived trustworthiness among fishers and managers. <\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>the full study<\/strong><br><a href=\"https:\/\/doi.org\/10.3389\/fmars.2025.1589076\"><strong>\u201cEnvironmental Drivers of Shrimp Abundance: Comparing Insights&nbsp; from Local Ecological Knowledge and Empirical Modeling\u201d<\/strong><\/a> in <em>Frontiers&nbsp; in Marine Science<\/em><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>see also<\/strong><br><a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0285498\">\u201c<strong>Environmental and Climate Variability Drive Population Size of Annual Penaeid Shrimp in a Large Lagoonal Estuary<\/strong>\u201d<\/a> in <em>PLoS ONE<\/em><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong><a href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/category\/sustainable-fisheries-and-aquaculture\/\">more on sustainable fisheries <\/a>&nbsp;&nbsp;<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Nadine Heck<\/strong> is an assistant professor in the Department of Coastal Studies at East Carolina University. Her research explores human-environment interaction in the context of fisheries, protected areas, and ecosystem-based adaptation.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>James Morley<\/strong> is a fishery ecologist in the Department of Biology at East Carolina University.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Lela Schlenker<\/strong> is a marine ecologist with experience in research, scientific communication, teaching, and renewable energy.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Samantha Farquhar<\/strong> is a lecturer in marine and environmental science at the Coast Guard Academy.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>This story originally appeared in North Carolina Sea Grant\u2019s award-winning <em>Hook, Line &amp; Science<\/em> series. Visit <a href=\"https:\/\/hooklinescience.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>HookLineScience.com<\/em><\/a>.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:ncst\/buttons -->\n<!-- wp:ncst\/button {\"url\":\"https%3A%2F%2Fncseagrant.ncsu.edu%2Fcoastwatch%2Fspring-2026%2F\",\"text\":\"from SPRING 2026\"} \/-->\n<!-- \/wp:ncst\/buttons -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->"},"excerpt":{"rendered":"<p>White shrimp have been on the rise, and a new North Carolina Sea Grant study shows that combining shrimpers\u2019 local knowledge\u00a0with traditional science leads to a clearer picture of why shrimp populations fluctuate.\u00a0<\/p>\n","protected":false},"author":63,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"source":"","ncst_custom_author":"Nadine Heck, James Morley, Lela Schlenker, and Samanta Farquhar","ncst_show_custom_author":true,"ncst_dynamicHeaderBlockName":"ncst\/default-post-header","ncst_dynamicHeaderData":"{\"showAuthor\":true,\"showDate\":true,\"showFeaturedVideo\":false,\"showReadingTime\":false,\"subtitle\":\"<strong>Shrimpers, Scientists, and What They Can Tell Us<\/strong>\"}","ncst_content_audit_freq":"","ncst_content_audit_date":"","ncst_content_audit_display":false,"ncst_backToTopFlag":"","footnotes":""},"categories":[1],"tags":[],"_ncst_magazine_issue":[],"class_list":["post-33164","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"displayCategory":null,"acf":{"ncst_posts_meta_modified_date":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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