08 April 2015

• Too Much Fertilizer Can Kill Our Marshes

“As nutrient-laden runoff from cities and farms flows into temperate salt marshes, it causes eutrophication -- increased plant growth and reduced oxygen levels in the water -- which kills many species of fish and other aquatic animals.

"As marsh populations of fish and other carnivores drop, populations of snails, crabs, insects and other herbivores or omnivores grow. These animals begin overgrazing the marsh grasses.

”As the grasses die off, the marsh becomes destabilized and, over time, may no longer be able to function as it once did...."

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