{"id":11693,"date":"2020-09-18T12:57:41","date_gmt":"2020-09-18T11:57:41","guid":{"rendered":"https:\/\/blogs.gov.scot\/marine-scotland\/?p=11693"},"modified":"2020-11-23T13:50:52","modified_gmt":"2020-11-23T13:50:52","slug":"river-temperature-research","status":"publish","type":"post","link":"https:\/\/blogs.gov.scot\/marine-scotland\/2020\/09\/18\/river-temperature-research\/","title":{"rendered":"River Temperature Research"},"content":{"rendered":"<p>Latest research and monitoring from Marine Scotland Science indicates that not only are many rivers now far too warm to support healthy growth of fish, but in some cases summer temperatures can reach levels that cause direct thermal stress.<\/p>\n<p>The latest study from Marine Scotland Science found that during the summer of 2018, the warmest on record, 69% of Scottish rivers experienced temperatures that could cause thermal stress to salmon on at least one day during the months of June to August. Salmon and brown trout thrive in relatively cool rivers.<\/p>\n<p>Climate change projections from the UK MET Office suggest that summers as extreme as 2018 could be observed every other year by 2050.<\/p>\n<p>While no rivers experienced temperatures that would cause the immediate death of young salmon, modelling suggested that the warmer rivers exceeded the lethal limit for brown trout.<\/p>\n<p>Previous work by Marine Scotland Science has shown that riparian tree cover (trees on the banks of rivers) can shade rivers, thereby reducing river temperatures and providing a readily available management action to mitigate temperature extremes.<a href=\"https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg.jpg\"><img decoding=\"async\" class=\"size-medium wp-image-11702 alignright lazyload\" data-src=\"https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg-300x169.jpg\" alt=\"Newly planted riparian planting along riverbank\" width=\"300\" height=\"169\" data-srcset=\"https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg-300x169.jpg 300w, https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg-768x432.jpg 768w, https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg-1024x576.jpg 1024w, https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg-750x422.jpg 750w, https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg-747x420.jpg 747w, https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2020\/09\/riparian-1-fullsize-jpg.jpg 2016w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/169;\" \/><\/a><\/p>\n<p>This is an issue Marine Scotland Science is addressing through the provision and further development of tools to help managers prioritise future tree planting to protect our rivers, conserve iconic wild salmon and protect and restore valuable fisheries resources.<\/p>\n<p>Scottish Forestry\u2019s Climate Programme recognises the wide-ranging benefits of riparian trees, which include the reduction of thermal stress for flora and fauna living in the river, as well as benefits for natural flood management, erosion and water quality.<\/p>\n<h4>Further Information<\/h4>\n<p>\u2022 <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/hyp.13761\">Publication &#8211; Predictions of National-Scale River Temperatures: A Visualisation of Complex Space-Time Dynamics<\/a><\/p>\n<p>\u2022 <a href=\"https:\/\/www.gov.scot\/publications\/scotland-river-temperature-monitoring-network-srtmn\/pages\/overview\/\">Scottish River Temperature Monitoring Network web pages<\/a><\/p>\n<p>\u2022 <a href=\"https:\/\/www.gov.scot\/binaries\/content\/documents\/govscot\/publications\/factsheet\/2019\/11\/marine-scotland-topic-sheets-freshwater\/documents\/where-should-we-plant-trees-to-protect-rivers-from-high-water-temperatures-updated-june-2018\/where-should-we-plant-trees-to-protect-rivers-from-high-water-temperatures-updated-june-2018\/govscot%3Adocument\/plant-trees.pdf\">Where to plant trees leaflet<\/a><\/p>\n<p>\u2022 <a href=\"https:\/\/www.gov.scot\/binaries\/content\/documents\/govscot\/publications\/factsheet\/2019\/11\/marine-scotland-topic-sheets-freshwater\/documents\/the-scotland-river-temperature-monitoring-network-srtmn-updated-march-2018\/the-scotland-river-temperature-monitoring-network-srtmn-updated-march-2018\/govscot%3Adocument\/river-temprature.pdf\">Scottish River Temperature Monitoring Network leaflet<\/a><\/p>\n<p>\u2022 <a href=\"https:\/\/twitter.com\/marinescotland\/status\/1306930215571070977\">Maximum river temperatures June to August 2018 animation<\/a><\/p>\n<p style=\"text-align: right\">\n","protected":false},"excerpt":{"rendered":"<p>Latest research and monitoring from Marine Scotland Science indicates that not only are many rivers now far too warm to support healthy growth of fish, but in some cases summer temperatures can reach levels that cause direct thermal stress.<\/p>\n","protected":false},"author":610,"featured_media":11697,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[403,14,15,19],"tags":[45,750,156,1604,1603,257],"class_list":["post-11693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-freshwater-fisheries","category-general","category-mss","category-publications","tag-climate-change","tag-freshwater-fisheries","tag-research","tag-riparian-planting","tag-river-temperature","tag-salmon"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>River Temperature Research - Marine Directorate Science<\/title>\n<meta name=\"description\" content=\"Latest river temperature research and monitoring by MSS indicating many rivers are too warm to support healthy fish growth \/ levels causing thermal stress.\" \/>\n<meta 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