{"id":23093,"date":"2020-07-08T10:46:00","date_gmt":"2020-07-08T07:46:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/climate-change-turning-us-mountain-lakes-green-with-algae\/"},"modified":"2020-07-08T10:46:00","modified_gmt":"2020-07-08T07:46:00","slug":"climate-change-turning-us-mountain-lakes-green-with-algae","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/climate-change-turning-us-mountain-lakes-green-with-algae\/","title":{"rendered":"#Climate change turning US mountain lakes green with algae"},"content":{"rendered":"

“#Climate change turning US mountain lakes green with algae<\/strong>”<\/p>\n

\n
\n
\n
\"The<\/img>
\n The concentration of algae in two\u00a0remote mountain\u00a0lakes more than doubled in the past 70 years
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

Global warming is turning clear mountain lakes green in the western United States because of an increase in algae blooms “without historical precedent”, researchers reported on Tuesday.<\/p>\n

\n <\/section>\n

The concentration of algae in two remote mountain lakes more than doubled in the past 70 years, researchers at Colorado State University found.<\/p>\n

Their results, published in the Proceedings of the Royal Society B<\/i>, highlight the potentially harmful effects of climate change on pristine and remote ecosystems.
\n“Even in relatively remote lakes located in protected areas… the fingerprint of human perturbation of Earth System is evident,” lead researcher Isabella Oleksy of Colorado State University told AFP.
\n“Rapid warming of high elevation environments has resulted in the rapid acceleration and dominance of green algae, which until recently were found in low abundance in these lakes.”
\nThe team of scientists led by Oleksy examined algae concentrations in lakes in a mountain range about 100 kilometres (65 miles) from Denver, using a tool called a gravity corer to collect sediment cores without damaging the lakebed.
\nDrawing on measurements going back to the 1950s, they found “dramatic changes” in algal abundance in the form of green algal blooms called chlorophytes, which thrive in warmer temperatures.<\/p>\n

\n
\n
\"Drawing<\/img>
\n Drawing from measurements going back to the 1950s, they found “dramatic changes” in algal abundance in the form of\u00a0green algal blooms
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

The high level of algae “came as an ecological surprise”, Oleksy said.
\nShe noted that the amounts of algae documented in the study would more typically be found in highly polluted areas, such as those prone to agricultural run-off, and not in unsullied mountain environments.
\n“While we documented these changes in two lakes in Colorado, it is likely that this is not an isolated phenomenon,” she said.
\nThe results are not a smoking gun, the researchers acknowledged, but point to climate change as driving the excess accumulation of nutrients\u2014such as phosphorus and nitrogen\u2014that cause algal blooms.
\nIn lakes and oceans, algae blooms sicken wildlife if ingested and destabilise aquatic environments by blocking out sunlight, the United States Environmental Protection Agency says on its website.
\nFresh water and marine algae blooms have a huge negative economic impact, affecting fisheries, tourism and human health.<\/p>\n

\n<\/hr>\n
\n<\/hr>\n

More information:<\/strong>
\n Isabella A. Oleksy et al. Nutrients and warming interact to force mountain lakes into unprecedented ecological states, Proceedings of the Royal Society B: Biological Science<\/a>s<\/i> (2020). rspb.royalsocietypublishing.or \u2026 .1098\/rspb.2020.0304<\/p>\n

\u00a9 2020 AFP<\/p>\n

\n Citation<\/strong>:
\n Climate change turning US mountain lakes green with algae (2020, July 8)
\n retrieved 8 July 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-07-climate-mountain-lakes-green-algae.html<\/p>\n

This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no
\n part may be reproduced without the written permission. The content is provided for information purposes only.<\/p><\/div>\n<\/p><\/div>\n

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“#Climate change turning US mountain lakes green with algae” The concentration of algae in two\u00a0remote mountain\u00a0lakes more than doubled in the past 70 years Global warming is turning clear mountain lakes green in the western United States because of an increase in algae blooms “without historical precedent”, researchers reported on Tuesday. The concentration of algae…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[34693,10595],"class_list":["post-23093","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-climate-change-turning-us-mountain-lakes-green-with-algae","tag-environment"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/23093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=23093"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/23093\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=23093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=23093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=23093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}