{"id":2768,"date":"2022-01-31T14:49:27","date_gmt":"2022-01-31T13:49:27","guid":{"rendered":"https:\/\/academy.pittmanseafoods.com\/?p=2768"},"modified":"2022-01-31T14:49:27","modified_gmt":"2022-01-31T13:49:27","slug":"what-are-harmful-algal-blooms-and-what-can-be-done-to-address-them","status":"publish","type":"post","link":"https:\/\/academy.pittmanseafoods.com\/en\/2022\/01\/what-are-harmful-algal-blooms-and-what-can-be-done-to-address-them\/","title":{"rendered":"What are harmful algal blooms and what can be done to address them?"},"content":{"rendered":"

Algae\u00a0are\u00a0simple plants that live in seas and freshwater bodies, and which range from microscopic, single-celled organisms to large seaweeds.\u00a0As unthreatening as \u00a0they might seem , if algae\u00a0are allowed to grow out of control, \u00a0their colonies can have toxic or harmful effects on very large populations of fish, shellfish, marine mammals and birds, and even people.<\/strong><\/p>\n

Harmful Algal Blooms (HABs)\u00a0can also consist of non-toxic algae. As they decay,
\nthese can eat up all of the oxygen in the water , clog the gills of fish and invertebrates, or smother corals and submerged aquatic vegetation. Other forms can discolour water or contaminate drinking water.<\/p>\n

HABs have heavily impacted the wild fisheries and aquaculture sectors, and \u00a0consequently caused disruption to food markets and supply chains for many years. In all likelihood, this has probably been the case for centuries. And while there\u2019s no agreed figure for the total global cost, one recent study estimated\u00a0that the annual toll of HABs in Europe \u00a0was\u00a0approximately \u20ac800 million, while one event in Norway in 2019 led to the loss of 14,000 tonnes of farmed Atlantic salmon and some US$330 millions in earnings.<\/p>\n

\u00a0National concern<\/h2>\n

It\u2019s thought that while HABs are naturally\u00a0occurring, climate change and increasing nutrient pollution may be causing these events to occur more regularly and in previously\u00a0unaffected\u00a0places..<\/p>\n

For example,\u00a0 the US National Oceanic and Atmospheric Administration (NOAA)\u00a0report\u00a0that HABs are a growing problem in every coastal and Great Lakes state. While these blooms can\u2019t be prevented, the scientific and regulatory agency advises that we can be better prepared for such \u201cred tide\u201d events. On its side, the administration leads a number of research efforts designed to help coastal communities counter the associated environmental, economic and health impacts.<\/p>\n

NOAA also\u00a0maintains rapid response capabilities that help coastal managers get critical data on the types of\u00a0species and toxins during a HAB\u00a0event.\u00a0Alongside a suite of tools and services aimed at reducing the impacts of HABs, its Event Response Programme provides immediate assistance for managing events by offering technology, expertise, and support for investigating events.<\/p>\n

\"\"<\/a><\/p>\n

Forecasting\u00a0 events<\/h2>\n

Scientists are now able to forecast HAB much in the same way that they can foretell an extreme weather event. Forecasting tools have been developed that provide advance warning with estimations of the location, destination, duration and scale of an algal bloom. At the same time, satellite technologies, remote underwater sensors and buoys are being used to help find blooms and measure their toxins.<\/p>\n

For instance, NOAA has introduced aHAB Operational Forecast System that encompasses Florida and Texas. This is an area that frequently experiences outbreaks. The system identifies whether or not a bloom of algae is likely to contain a toxic species, where it is, how big it is, where it’s headed, and if it could become more severe in the near future.<\/p>\n

For fish and shellfish farmers, it\u2019s information like this that provides a valuable window to take pre-emptive harvesting or transfer measures if at all possible, and\u00a0when and where not to feed finfish stocks. It also allows them to implement more effective testing protocols where there might be direct health risks and can\u00a0be\u00a0a\u00a0useful\u00a0guide in the placement of new farms.<\/p>\n

Collectively, for seafood supply chains, and while there\u2019s no way to rid the world\u2019s marine and freshwater environments from HABs, these early detection tools can help bring more stable, sustainable food production and thereby better safeguard the future of fisheries and farming systems.<\/p>\n","protected":false},"excerpt":{"rendered":"

Algae\u00a0are\u00a0simple plants that live in seas and freshwater bodies, and which range from microscopic, single-celled organisms to large seaweeds.\u00a0As unthreatening as \u00a0they might seem , if algae\u00a0are allowed to grow out of control, \u00a0their colonies can have toxic or harmful effects on very large populations of fish, shellfish, marine mammals and birds, and even people.<\/p>\n","protected":false},"author":7,"featured_media":2773,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geen-categorie-en"],"yoast_head":"\nWhat are harmful algal blooms and what can be done to address them? - Pittman Seafoods<\/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:\/\/academy.pittmanseafoods.com\/en\/2022\/01\/what-are-harmful-algal-blooms-and-what-can-be-done-to-address-them\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are harmful algal blooms and what can be done to address them? 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