{"id":21130,"date":"2025-05-08T16:42:35","date_gmt":"2025-05-08T20:42:35","guid":{"rendered":"https:\/\/www.clarku.edu\/news\/?post_type=story&#038;p=21130"},"modified":"2025-05-08T17:35:10","modified_gmt":"2025-05-08T21:35:10","slug":"clark-center-for-geospatial-analytics-tools-help-shrimp-lovers-make-sustainable-choices","status":"publish","type":"story","link":"https:\/\/www.clarku.edu\/news\/2025\/05\/08\/clark-center-for-geospatial-analytics-tools-help-shrimp-lovers-make-sustainable-choices\/","title":{"rendered":"Clark Center for Geospatial Analytics\u2019 role in our seafood sustainability is anything but shrimpy"},"content":{"rendered":"\n\n\n<p><em>Above: A satellite image of an aquaculture area in Guayaquil, Ecuador. The Clark Center for Geospatial Analytics (CCGA) is working with Seafood Watch, a nonprofit based at the Monterey Bay Aquarium in California, to monitor the sustainability of shrimp farming in Ecuador and other countries. (Image courtesy of CCGA)<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Decade-old aquaculture project has received over $7.5 million in grants from the Moore Foundation<\/h2>\n\n\n\n<p>When you reach for that packet of imported, farmed shrimp at Costco, you might not realize that the seafood\u2019s sustainability certification relies, in part, on a longtime research project at Clark University.<\/p>\n\n\n\n<p>Since 2013, Clark geospatial scientists have used GIS, satellite imagery, and machine learning technology to produce landcover <a href=\"https:\/\/www.clarku.edu\/centers\/geospatial-analytics\/projects\/pond-aquaculture-and-its-impact-on-mangroves-and-other-coastal-wetlands\/\">maps<\/a> indicating where brackish pond aquaculture \u2014 human-made seafood production \u201cfarms\u201d \u2014 may encroach on tropical mangrove habitats and coastal wetlands. The maps have been used by nonprofit organizations, including the World Wildlife Fund, the Aquaculture Stewardship Council, Seafood&nbsp;Watch, and &nbsp;<a href=\"https:\/\/trase.earth\/open-data\/datasets\/spatial-metrics-ecuador-shrimp-pond-mangrove-deforestation\">Trase<\/a>, to help consumers and businesses better understand which countries are abiding by sustainable&nbsp;seafood&nbsp;practices.<br><br>\u201cWhen I first started, we were mapping four countries \u2014 Thailand, Cambodia, Vietnam, and Myanmar,\u201d says Rishi Singh \u201917, M.S.-GIS \u201918, who joined the research team as a fifth-year graduate student. By the time he had graduated and started a full-time job as a research associate for the project, \u201cwe had expanded to 17 countries.\u201d<\/p>\n\n\n\n<p>Now the project\u2019s principal investigator and research scientist in the <a href=\"https:\/\/www.clarku.edu\/centers\/geospatial-analytics\/\">Clark Center for Geospatial Analytics<\/a> (CCGA), Singh oversees a team of five research assistants \u2014 all graduate and undergraduate students \u2014 who are working on a new phase, \u201cMapping the Conversion of Coastal Habitats to Shrimp Aquaculture.\u201d They include Adlai Nelson, M.S.-GIS \u201925; Ben Gaskill, M.S.-GIS \u201925; Annan Shrestha, M.S.-GIS \u201926; Pacifique Madibi, M.S.-GIS \u201926; Andre Bergeron\u201925, , M.S.-GIS \u201926; as well we Clark CGA staff members Eli Simonson \u201917, M.S.-GIS\u201918, a research associate, and Tammy Woodard, a senior software developer.<\/p>\n\n\n\n<p>The researchers are developing maps that reflect land changes, from 1999 to 2024 due to shrimp farming in Indonesia, Thailand, Vietnam, Myanmar, and Ecuador.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2500\" height=\"1242\" src=\"https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming.jpg\" alt=\"Bird's-eye view of shrimp farms on the coast of the Gulf of Thailand.\" class=\"wp-image-21133\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming.jpg 2500w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming-300x149.jpg 300w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming-1024x509.jpg 1024w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming-768x382.jpg 768w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming-1536x763.jpg 1536w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming-2048x1017.jpg 2048w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Thailand-shrimp-farming-1200x596.jpg 1200w\" sizes=\"auto, (max-width: 2500px) 100vw, 2500px\" \/><figcaption class=\"wp-element-caption\">Shrimp farms on the coast of the Gulf of Thailand.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Gordon and Betty Moore Foundation: 85 percent of world\u2019s fish stocks are fully exploited or in decline <\/h3>\n\n\n\n<p>The current project is funded by a 14-month, $717,875 grant from the Gordon and Betty Moore Foundation, which, over the years, has provided over $7.5 million&nbsp; to Clark geospatial scientists conducting research focused on the impacts of seafood production, especially shrimp farming across the global pantropics, including Southeast Asia and Central and South America.<\/p>\n\n\n\n<p>\u201cToday, 85 percent of the world\u2019s fish stocks are fully exploited or in decline,\u201d according to the <a href=\"https:\/\/moore.org\/initiative-strategy-detail?initiativeId=conservation-and-markets-initiative\">foundation<\/a>. \u201cTo protect marine and coastal ecosystems,\u201d the foundation is \u201cencouraging leading companies to implement sustainable sourcing commitments for top-traded seafood commodities and \u2026 to eliminate overfishing and coastal habitat degradation from their supply chains, ultimately fostering responsible fishing and aquaculture as the marketplace norm.\u201d<\/p>\n\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>\u201cThe Clark Center for Geospatial Analytics\u2019 tools have been immensely helpful for\u00a0Seafood\u00a0Watch\u00a0to evaluate land-use change for\u00a0our farmed-shrimp assessments.\u201d<\/p><cite>\u2014 josh graybiel of seafood watch<\/cite><\/blockquote><\/figure>\n\n\n\n<p>The Moore Foundation works closely with the World Wildlife Fund, co-founder of the Aquaculture Stewardship Council, which manages global standards and audit practices that ensure seafood farming is environmentally and socially sustainable. Scientists from the nonprofit conservation organization have relied on data from the Clark Center for Geospatial Analytics (formerly called Clark Labs) to better understand where mangrove habitats have declined \u2014 and how much.<\/p>\n\n\n\n<p>Besides harboring a rich, diverse marine ecosystem that contributes to \u201cblue carbon\u201d sequestration \u2014&nbsp;marine environments that capture CO2, mitigating climate change \u2014&nbsp;mangroves are important to protecting coasts from erosion and storm surges, according to scientists.<\/p>\n\n\n\n<p>\u201cBlue carbon is a unique and extremely important part of the carbon sequestration in oceans specifically,\u201d Singh explains. Studies have found that \u201ca mangrove tree can sequester nearly three times the carbon of an Amazon rainforest tree.\u201d<\/p>\n\n\n\n<p>Over 40 years, \u201cshrimp aquaculture has contributed significantly to the degradation of natural resources and ecosystems,\u201d according to the World Wildlife Fund. \u201cGlobal shrimp production doubled between 2003 and 2016, spurred mostly by aquaculture, which surpassed wild shrimp harvest to become the predominant source of seafood.<\/p>\n\n\n\n<p>\u201cShrimp production from aquaculture increased 500% from 2000 to 2017, and today, farmed shrimp is the most valuable traded seafood commodity in the world, by volume.\u201d<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2500\" height=\"1541\" src=\"https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web.jpg\" alt=\"Seafood aquaculture GIS team including, from left, front, Ben Gaskill, Annan Shrestha, and Andre Bergeron; and back, Pacifique Madibi and Rishi Singh. (Photo by Steven King, University Photographer)\" class=\"wp-image-21131\" srcset=\"https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web.jpg 2500w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web-300x185.jpg 300w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web-1024x631.jpg 1024w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web-768x473.jpg 768w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web-1536x947.jpg 1536w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web-2048x1262.jpg 2048w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Clark_Labs_APR_2025-8-web-1200x740.jpg 1200w\" sizes=\"auto, (max-width: 2500px) 100vw, 2500px\" \/><figcaption class=\"wp-element-caption\">Rishi Singh (back row, right), principal investigator and research scientist for the Clark Center for Geospatial Analytics\u2019 aquaculture project, leads a GIS team of student research assistants, including Ben Gaskill, Annan Shrestha, and Andre Bergeron (front row, from left); and Pacifique Madibi (back row). (Photo by Steven King, university photographer)<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Clark geospatial data in action<\/h3>\n\n\n\n<p>The World Wildlife Fund has worked closely with global suppliers to curb the impacts of seafood production, including shrimp farming. Costco, for one, has partnered with the WWF and \u201chas had tremendous success gearing our shrimp purchases toward ASC [Aquaculture Stewardship Council]-certified sources,\u201d according to one of its buyers.<\/p>\n\n\n\n<p>Data from the Clark Center for Geospatial Analytics helps companies like Costco, and their consumers, ensure that the ASC-certified shrimp they buy is truly sustainable, according to Singh. Both the World Wildlife Fund and the ASC have relied on the center\u2019s maps indicating where shrimp farming is expanding.<\/p>\n\n\n\n<p>For businesses, \u201cgetting that crediting is essential. Millions and millions of dollars are based on whether the shrimp is sustainably harvested or not,\u201d Singh says. \u201cThe stakeholders use our data to back up and make decisions about whether the shrimp can be sold with the sustainability label.\u201d<\/p>\n\n\n\n<p>Also using the center\u2019s data is Seafood Watch, a nonprofit organization based at the Monterey Bay Aquarium in California that makes recommendations to businesses and consumers seeking to buy sustainable seafood. Seafood Watch also works with seafood producers, industry leaders, organizations, and governments around the globe to improve their fishing and aquaculture practices.<\/p>\n\n\n\n<p>\u201cThe Clark Center for Geospatial Analytics\u2019 tools have been immensely helpful for\u00a0Seafood\u00a0Watch\u00a0to evaluate land-use change for\u00a0our farmed-shrimp assessments,\u201d says Josh Graybiel, senior aquaculture scientist at the organization.<br><br>\u201cOne of the most popular seafood products Americans consume is shrimp,\u201d Graybiel says. \u201cMuch of the shrimp on the U.S. market is farm-raised and imported into the United States. Because Seafood Watch evaluates the environmental sustainability of seafood on the U.S. market, farmed-shrimp assessments are very important to our program and audiences.\u201d<\/p>\n\n\n\n<p>For about five years, Seafood Watch has used the center\u2019s \u201cBrackish Pond Aquaculture and Coastal Wetlands\u201d interactive map to identify and define the development of shrimp farming over time.<\/p>\n\n\n\n<p>The map allows the nonprofit to determine, for example, whether there \u201chas been any recent conversion of mangrove to ponds and, if so, how much land area and where?\u201d Graybiel explains.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"553\" src=\"https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Shrimp-farming-Ecuador-1024x553.jpg\" alt=\"Large shrimp farm in Ecuador\" class=\"wp-image-21132\" srcset=\"https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Shrimp-farming-Ecuador-1024x553.jpg 1024w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Shrimp-farming-Ecuador-300x162.jpg 300w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Shrimp-farming-Ecuador-768x414.jpg 768w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Shrimp-farming-Ecuador-1536x829.jpg 1536w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Shrimp-farming-Ecuador-2048x1105.jpg 2048w, https:\/\/www.clarku.edu\/news\/wp-content\/uploads\/sites\/37\/Shrimp-farming-Ecuador-1200x648.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">A large shrimp farm in Ecuador.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Using Clark center\u2019s maps to produce seafood ratings<\/h3>\n\n\n\n<p>\u201cUsing this tool,&nbsp;Seafood&nbsp;Watch&nbsp;is able to develop more accurate and comprehensive ratings of the environmental impact of shrimp production in key shrimp-producing countries that export to the United States,\u201d he says.<\/p>\n\n\n\n<p>The nonprofit has developed seafood sustainability recommendations that use colored ratings so consumers can quickly assess what to buy: Green for seafood that is \u201cwell-managed and caught or farmed in an environmentally responsible manner\u201d and \u201cposes a low environmental risk\u201d; Yellow for \u201cmoderate environmental risk\u201d; and Red, to avoid because \u201cit\u2019s overfished, lacks strong management, or is caught or farmed in ways that harm other marine life or the environment.\u201d<\/p>\n\n\n\n<p>\u201cThe development of ponds in coastal areas has been a key factor of&nbsp;Seafood&nbsp;Watch&nbsp;Red ratings, so the Clark CGA tool is very useful for our analyses and justification,\u201d according to Graybiel. \u201cUltimately, consumers can then use&nbsp;Seafood&nbsp;Watch&nbsp;ratings when shopping for&nbsp;seafood&nbsp;to choose Green- or Yellow-rated&nbsp;seafood, a key way to make healthy choices for the ocean.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you reach for that packet of imported, farmed shrimp at Costco, you might not realize that the seafood\u2019s sustainability certification relies, in part, on a longtime research project at Clark University.<\/p>\n","protected":false},"featured_media":21129,"template":"","meta":{"story_color":"var(--clarku-color-gray-900)","story_headerImg":21129,"section_label":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[241,227,239],"displayed_author":[242],"featured":[],"topic":[165,212,504,162],"class_list":["post-21130","story","type-story","status-publish","has-post-thumbnail","hentry","category-environment-sustainability","category-science-technology","category-worcester-world","displayed_author-meredith-woodward-king","topic-geography","topic-gis","topic-graduate-student-research","topic-research"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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The Clark Center for Geospatial Analytics (CCGA) is working with Seafood Watch, a nonprofit based at the Monterey Bay Aquarium in California, to monitor the sustainability of shrimp farming in Ecuador and other countries.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.clarku.edu\\\/news\\\/wp-json\\\/wp\\\/v2\\\/story\\\/21130#breadcrumbs\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":0,\"name\":\"ClarkU\",\"item\":\"https:\\\/\\\/www.clarku.edu\\\/\"},{\"@type\":\"ListItem\",\"position\":1,\"name\":\"ClarkU 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