Oligotrophic Lakes By: Emily SEars

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Presentation transcript:

Oligotrophic Lakes By: Emily SEars http://www.wallpapers13.com/lake-vishansar-is-alpine-high-altitude-oligotrophic-lake-is-located-near-sonamarg-at-an-altitude-of-3710-meters-it-has-a-maximum-length-of-1-km-and-the-maximum-width-of-0-6-kilometers/

Productivity Very low 50-100 square milligrams per day

Major Life Forms Rainbow trout, golden trout and cutthroat trout are commonly found Algae, Phytoplankton https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwizn7yE-oDeAhVFy1MKHZ3XBOsQjRx6BAgBEAU&url=http%3A%2F%2Ffisheyeguyphotography.com%2Frainbow-trout-golden-trout-photos%2F&psig=AOvVaw3jKt06cqyWj0_7VFgJcRvN&ust=1539435354714575

Abiotic Limiting Factors The limiting factors are phosphorus, salinity, sunlight, temperature, dissolved oxygen, fertilizers and pollutants.

Special Features Clear Water Excess Oxygen http://mediad.publicbroadcasting.net/p/michigan/files/styles/x_large/public/201710/14946611036_994e33be56_k.jpg

Plant adaptation cold temperatures excess oxygen lack of phosphorus

Animal Adaptations Populations of algae and the animals that feed on them are lower in oligotrophic lakes because of low nutrient concentrations. Lake trout, require cold, well-oxygenated water and primarily live in the hypolimnion of oligotrophic lakes. https://c1.staticflickr.com/9/8300/7949855620_381179252e_b.jpg

Citations http://wgbis.ces.iisc.ernet.in/energy/monograph1/Limpage4.html http://www.lakeaccess.org/ecology/lakeecologyprim18.html https://prezi.com/er0sfyu0txwt/oligotrophic-lake/ https://sciencing.com/limiting-factors-freshwater-biome-8210453.html