By studying lake mud, scientists can go back in time to a lake’s natural state. This helps them understand how human activity and environmental change have impacted the lake over time.

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Have you ever looked at a lake and wondered why there was a thick layer of green scum on the water? Chances are, you were looking at an eutrophic lake.

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CurioCity resources which align with the Northwest Territories Experiential Science 30 Unit 3: Freshwater Ecology

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The sea lamprey may be the most notorious of all invasive species for the sheer fact that they have almost wiped out an entire population of game fish in the Great Lakes. This video investigates the history of the sea lamprey and looks at control measures

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This video provides an overview of how Asian carp are threatening the Great Lakes and what we can do to prevent them from spreading.

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The reintroduction of wolves at Yellowstone National park created a trophic cascade which had a positive effect on the abiotic and biotic aspects of the park ecosystem and actually transformed the physical geography of the park.

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Ganges water, believed by many to be self-cleansing and have healing powers, has demonstrated the ability to kill bacteria.

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Learn about how tropical fish threaten Canadian waterways and native species. Also learn what highly competitive and invasive tropical fish was recently spotted in a lagoon in Vancouver. Here is a clue: It can WALK!

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Believe it or not, there are still many unexplored areas and unidentified species around the world. Learn about the discovery of some new species and some species that were thought to be extinct!

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Check out these ants as they use their own bodies to make a raft during times of flooding in the Amazon!

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