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Celebrating 100 Years of Science! | 1925-2025
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While Jewel Cave is currently in pristine condition there are several threats that could potential damage this site. These threats include the pollution of ground water that seeps into the cave at various points and visitor impacts.
Jewel Cave National Monument Threats and Features
Unsustainable fishing and aquaculture practices have put pressure on the Chilika Lake ecosystem. Dead fish thrown back into the water contaminate the lake while shrimp pens trap sediment and kill juvenile fish.
Chilika Lake Fishing and Aquaculture Pressures
Illustration of toxic inputs.
Inputs: toxics
Conceptual diagram illustrating a virus tracer study demonstrating that Class V injection wells can cause contamination of surface waters within the environment due to the porous nature of the limestone substrate.
Virus tracer study
Dredging the Champlain Canal, upper Hudson River, NY, to remove PCBs from the riverbed sediment is the one of the largest environmental dredging projects ever undertaken in the U.S.
Bulldozer with bucket unloads dredge spoils into…
Illustration of toxicant input
Inputs: toxicants
Illustration of oil spill
Oil spill

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