Seasonal Pond Natural Area Management Plan: Colonial National Historical Park (Classic Reprint) - Hardcover

Richard K. Myers

9780428581084: Seasonal Pond Natural Area Management Plan: Colonial National Historical Park (Classic Reprint)

Hardcover

ISBN 10: 0428581080 ISBN 13: 9780428581084

Publisher: Forgotten Books, 2018

Excerpt from Seasonal Pond Natural Area Management Plan: Colonial National Historical Park

Along with its well known historic and cultural resources, Colonial National Historic Park (colo) supports significant natural resources in the form of marsh, estuarine, field, forest, and shoreline habitats. Notably, the Yorktown Unit of colo contains seasonal ponds lying to the south and southeast of the Village of Yorktown. These ponds are part of the Grafton Ponds Complex that continues south of colo and constitutes the best remaining example in Virginia of a Coastal Plain Seasonal Pond Complex.

The area of low, level topographic relief south of Yorktown known as the Grafton Plain is characterized by shallow depressions formed from dissolution and collapse of shell-rich layers in underlying marine sediments. These depressions accumulate and hold water during the winter and spring, and in some years standing water persists well into the summer months. These ephemeral water bodies have been given various names: vernal pools, coastal plain depression ponds, sinkhole ponds, depressional wetlands, and seasonal ponds. In this Management Plan, the term seasonal pond is used throughout to describe the ponds themselves. The primary vegetative association that characterizes this wetland type is known as the Coastal Plain Depression Wetland natural community (fleming et al.

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