The Kearny Marsh is approximately 400 acres of significant wetlands, bounded on all sides by the New Jersey Turnpike, Belleville Pike and an abandoned rail line. The restriction of tidal flow over the years has changed the ecosystem to a freshwater impoundment; a result of rainfall and runoff from the town of Kearny. As such, the marsh has evolved into a productive waterbird habitat. The water depth over much of the marsh is approximately 2 1/2 – 3 feet except for traverse channels that can be as deep as five or six feet. The dominant plant species is common reed except where the area has flooded. Mulberry, hibiscus, purple loosestrife, jewelweed and cattail can be seen in a few places.
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