{"id":21975,"date":"2019-04-16T14:13:58","date_gmt":"2019-04-16T18:13:58","guid":{"rendered":"https:\/\/ncseagrant.ncsu.edu\/currents\/?p=11436"},"modified":"2024-05-21T15:54:06","modified_gmt":"2024-05-21T19:54:06","slug":"nc-sea-grant-funded-scientist-receives-best-paper-honor","status":"publish","type":"post","link":"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/nc-sea-grant-funded-scientist-receives-best-paper-honor\/","title":{"rendered":"NC Sea Grant-Funded Scientist Receives Best Paper Honor"},"content":{"rendered":"

BY SUMMER WALLS<\/strong><\/p>\n

The Environmental Science & Technology\u00a0<\/em>journal has recognized \u201cMitigating the Expansion of Harmful Algal Blooms across the Freshwater-to-Marine Continuum<\/a>\u201d as one of the “Best Papers of 2018.” Hans W. Paerl<\/a>, an aquatic ecologist at the UNC-Chapel Hill Institute of Marine Sciences, led a team that conducted groundbreaking research on nutrient over-enrichment and its negative effects on coastal ecosystems.<\/p>\n

\"\"<\/a>
Hans Paerl, courtesy of UNC-Chapel Hill (CC BY-NC-ND 2.0)<\/figcaption><\/figure>\n

Excess nutrients in water bodies and resulting harmful algal blooms, known as HABs, have increased across Europe and North America, with negative effects on fisheries, tourism and property values. Paerl and his co-authors have conducted innovative work on the proliferation of excess nutrients, called \u201ceutrophication,\u201d and HABs in North Carolina\u2019s waters. A North Carolina Sea Grant project is cited in the honored paper, along with international research.<\/p>\n

\u201cOur North Carolina Sea Grant projects are addressing causes and consequences of expanding algal blooms in the estuaries, especially their impacts on low oxygen conditions and food web alterations,\u201d Paerl says.<\/p>\n

Large-scale agriculture, industrialization and urbanization, as well as rising temperatures and extreme weather events, all contribute to harmful algal blooms \u2014 as does how slowly water flows.<\/p>\n

\u201cNorth Carolina estuarine and inland waters are susceptible to HABs because they are nutrient enriched and have long residence times,\u201d Paerl says. \u201cIn other words, they are poorly flushed. The combination of high nutrient loads and long residence times are optimal for bloom development and proliferation.\u201d<\/p>\n

Paerl\u2019s research explored a new strategy that focused on reducing both phosphorous and nitrogen levels upstream in order to control HABs long-term. The team\u2019s award-winning article also explains approaches that can prevent the spread of HABs worldwide, especially in the freshwater-to-marine system.<\/p>\n

\u201cMy work has focused on linking freshwater with marine eutrophication, especially the causes and consequences,\u201d Paerl explains. \u201cClearly these systems are connected, and if we are to start reversing the troubling trend of HAB expansion, we need to address the problem at a watershed-and-airshed-to-coastal\u00a0<\/em>scale.\u201d<\/p>\n

The American Chemical Society first announced Paerl\u2019s win at the Great Achievements in Environmental Science & Technology symposium earlier this month. His coauthors are Timothy G. Otten of Bend Genetics and Raphael Kudela of Ocean Sciences & Institute for Marine Sciences at the University of California Santa Cruz.<\/p>\n

In addition to North Carolina Sea Grant, the North Carolina Water Resources Research Institute<\/a> also has funded Paerl\u2019s research on water quality in the state.<\/p>\n

Read the full article, \u201cMitigating the Expansion of Harmful Algal Blooms across the Freshwater-to-Marine Continuum<\/a>\u201d<\/p>\n

 <\/p>\n

 <\/p>\n

\n","protected":false},"excerpt":{"rendered":"

Hans W. Paerl, an aquatic ecologist at the UNC-Chapel Hill Institute of Marine Sciences, led a team that conducted groundbreaking research on nutrient over-enrichment and its negative effects on coastal ecosystems.<\/p>\n","protected":false},"author":63,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ncst_custom_author":"","ncst_show_custom_author":false,"ncst_dynamicHeaderBlockName":"","ncst_dynamicHeaderData":"","ncst_content_audit_freq":"","ncst_content_audit_date":"","ncst_content_audit_display":false,"ncst_backToTopFlag":"","footnotes":""},"categories":[761],"tags":[],"_ncst_magazine_issue":[],"class_list":["post-21975","post","type-post","status-publish","format-standard","hentry","category-currents"],"displayCategory":null,"acf":[],"yoast_head":"\nNC Sea Grant-Funded Scientist Receives Best Paper Honor - Coastwatch<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ncseagrant.ncsu.edu\/coastwatch\/nc-sea-grant-funded-scientist-receives-best-paper-honor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NC Sea Grant-Funded Scientist Receives Best Paper Honor - Coastwatch\" \/>\n<meta property=\"og:description\" content=\"Hans W. 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