{"id":5526,"date":"2018-02-12T16:44:20","date_gmt":"2018-02-12T22:44:20","guid":{"rendered":"https:\/\/www.iisd.org\/ela\/?p=5526"},"modified":"2024-04-26T10:59:51","modified_gmt":"2024-04-26T15:59:51","slug":"five-things-iisd-experimental-lakes-taught-us-fresh-water","status":"publish","type":"blog","link":"https:\/\/www.iisd.org\/ela\/blog\/five-things-iisd-experimental-lakes-taught-us-fresh-water\/","title":{"rendered":"Five Things IISD Experimental Lakes Has Taught Us About Fresh Water"},"content":{"rendered":"<p>IISD Experimental Lakes Area is turning 50 this year.<\/p>\n<p>Since its inception in 1968, IISD-ELA&#8217;s unique whole-lake approach to freshwater science has taught us a lot about our lakes and streams. From acid rain and algal blooms to climate change and cramped fish\u2014our 50-year history has left us with a pretty long list.<\/p>\n<p>To celebrate #ELA50, we put together a list of five of our favourites.\u00a0Scroll through them, read more and have fun learning!<\/p>\n<h2>1) Why algal blooms take over lakes. And how we can stop them.<\/h2>\n<p>Our raison d&#8217;\u00eatre. Researchers in the 1970s discovered that adding phosphorus to a lake resulted in &#8220;eutrophication&#8221;\u2014smelly and unsightly algal blooms. And in 2018, we are still researching the long-term effects of adding phosphorus and nitrogen into lakes.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-large wp-image-20946 lazyload\" data-src=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-01-780x439.jpg?lossy=2&strip=1&webp=1\" alt=\"\" width=\"780\" height=\"439\" data-srcset=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-01-780x439.jpg?lossy=2&strip=1&webp=1 780w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-01-360x203.jpg?lossy=2&strip=1&webp=1 360w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-01.jpg?lossy=2&strip=1&webp=1 1200w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-01.jpg?size=512x288&lossy=2&strip=1&webp=1 512w\" data-sizes=\"auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 780px; --smush-placeholder-aspect-ratio: 780\/439;\" data-original-sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><iframe title=\"How We Do Things at IISD-ELA: Researching Eutrophication\" width=\"500\" height=\"281\" data-src=\"https:\/\/www.youtube.com\/embed\/pAOihTRys74?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe><\/p>\n<p><a href=\"http:\/\/www.iisd.org\/ela\/blog\/research-highlights\/algal-blooms-matter\/\">Read more about our groundbreaking work into the causes of algal blooms here.<\/a><\/p>\n<h2>\u00a02) How male fish can grow eggs in their testes.<\/h2>\n<p>In a recent experiment, we found that adding synthetic estrogen\u2014found in birth control pills\u2014to lake water led to feminized male fish that actually produced eggs in their testes.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-large wp-image-20947 lazyload\" data-src=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-02-780x439.jpg?lossy=2&strip=1&webp=1\" alt=\"\" width=\"780\" height=\"439\" data-srcset=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-02-780x439.jpg?lossy=2&strip=1&webp=1 780w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-02-360x203.jpg?lossy=2&strip=1&webp=1 360w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-02.jpg?lossy=2&strip=1&webp=1 1200w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-02.jpg?size=512x288&lossy=2&strip=1&webp=1 512w\" data-sizes=\"auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 780px; --smush-placeholder-aspect-ratio: 780\/439;\" data-original-sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><iframe title=\"How We Do Things at IISD-ELA: Researching Estrogen\" width=\"500\" height=\"281\" data-src=\"https:\/\/www.youtube.com\/embed\/YEQUZXiT_MI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe><\/p>\n<p><a href=\"http:\/\/www.iisd.org\/media\/new-study-finds-estrogen-has-detrimental-and-surprising-effects-freshwater-wildlife\">Read more about our research into what estrogen does to freshwater fish here.<\/a><\/p>\n<h2>\u00a03)\u00a0Why our fish are getting smaller and more cramped.<\/h2>\n<p>This is due to climate change impacting lakes\u2014the effects of which we have been monitoring for the last 50 years.<\/p>\n<p>And thanks to our unique set of 50 years&#8217; worth of data, we can track long-term trends in temperature and their impacts.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-large wp-image-20948 lazyload\" data-src=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-03-780x439.jpg?lossy=2&strip=1&webp=1\" alt=\"\" width=\"780\" height=\"439\" data-srcset=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-03-780x439.jpg?lossy=2&strip=1&webp=1 780w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-03-360x203.jpg?lossy=2&strip=1&webp=1 360w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-03.jpg?lossy=2&strip=1&webp=1 1200w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-03.jpg?size=512x288&lossy=2&strip=1&webp=1 512w\" data-sizes=\"auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 780px; --smush-placeholder-aspect-ratio: 780\/439;\" data-original-sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><a href=\"http:\/\/www.iisd.org\/sites\/default\/files\/publications\/iisd-ela-climate-change-brochure.pdf\">Read more about what IISD-ELA has discovered about climate change and fresh water here.<\/a><\/p>\n<h2>4) What we can do with marvelous mucus and unreal ultrasound.<\/h2>\n<p>We have been researching innovative ways to track fish health and growth. These methods mean that we can research fish populations without sacrificing them\u2014minimizing the impact we have on those populations we want to protect.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-large wp-image-20949 lazyload\" data-src=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-04-780x439.jpg?lossy=2&strip=1&webp=1\" alt=\"\" width=\"780\" height=\"439\" data-srcset=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-04-780x439.jpg?lossy=2&strip=1&webp=1 780w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-04-360x203.jpg?lossy=2&strip=1&webp=1 360w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-04.jpg?lossy=2&strip=1&webp=1 1200w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-04.jpg?size=512x288&lossy=2&strip=1&webp=1 512w\" data-sizes=\"auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 780px; --smush-placeholder-aspect-ratio: 780\/439;\" data-original-sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><a href=\"http:\/\/www.iisd.org\/ela\/blog\/research-highlights\/miraculous-mucus\/\">Learn more about how IISD-ELA is innovating non-lethal research methods here.<\/a><\/p>\n<h2>5) The power of METAALICUS.<\/h2>\n<p>The groundbreaking METAALICUS study not only taught us that adding mercury from the atmosphere will lead to it building up in fish, but that stopping adding mercury will decrease it in fish populations.<\/p>\n<p>It&#8217;s also a rather great name for a research project.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-large wp-image-20950 lazyload\" data-src=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-05-780x439.jpg?lossy=2&strip=1&webp=1\" alt=\"\" width=\"780\" height=\"439\" data-srcset=\"https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-05-780x439.jpg?lossy=2&strip=1&webp=1 780w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-05-360x203.jpg?lossy=2&strip=1&webp=1 360w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-05.jpg?lossy=2&strip=1&webp=1 1200w, https:\/\/b3750661.smushcdn.com\/3750661\/wp-content\/uploads\/2018\/02\/iisd-ela-five-twitter-05.jpg?size=512x288&lossy=2&strip=1&webp=1 512w\" data-sizes=\"auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 780px; --smush-placeholder-aspect-ratio: 780\/439;\" data-original-sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><iframe title=\"How We Do Things at IISD-ELA: Researching Mercury\" width=\"500\" height=\"281\" data-src=\"https:\/\/www.youtube.com\/embed\/ceC4J_F3NZA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe><\/p>\n<p><a href=\"http:\/\/www.iisd.org\/ela\/blog\/commentary\/mercury-humans-humans-need\/\">Read more about our research into mercury and fish populations here.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Since 1968, IISD-ELA&#8217;s unique whole-lake approach to freshwater science has taught us a lot about our lakes and streams. Here are five of our favourites.<\/p>\n","protected":false},"featured_media":2453,"template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"blog_types":[196,198,194],"environmental_issues_type":[166,201,202,167],"class_list":["post-5526","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_types-comment","blog_types-news","blog_types-our-research","environmental_issues_type-algal-blooms","environmental_issues_type-climate-change","environmental_issues_type-drugs","environmental_issues_type-mercury"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5 Things Our Scientific Research Has Taught Us About Fresh Water | IISD-ELA<\/title>\n<meta name=\"description\" content=\"Since 1968, IISD-ELA&#039;s unique whole-lake approach to freshwater scientific research has taught us a lot about our lakes and streams. 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