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Collection Sites: Walsingham Pond, Bermuda |
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Walsingham Pond Walsingham Pond is the oldest Aeolian (wind-transported), limestone formation in Bermuda, and one of the largest sinkholes. It is connected to the sea by fissures in the limestone. Because of this, "water in the pond has a salinity of between 36 and 38 parts per thousand, and the level of the water rises and falls with the tides with a range of about 40 to 50 cm and a lag of approximately one hour behind the tide tables," (Walsingham). Walsingham holds a very diverse population of organisms, and is highly productive due to the detritus from leaf litter, and high nutrient levels that wash into it from the land. It is surrounded by a mangrove swamp. I picked Walsingham as a collection site because it is a very deceptive pond. The water looks absolutely murky and dirty, but the life it supports wouldn't tolerate polluted water. Also, this is a protected site, which means that technically, no pollutants should enter into the water. So, I just wanted to see what was in the water, and if I could reason out why the water was so murky. |