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Northern Prairie Wildlife Research Center

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Classification of Natural Ponds and Lakes
in the Glaciated Prairie Region

Plate 20

jpg -- Changes in Vegetative Deep-marsh Cover in a Semipermanent Pond, Moderately Brackish, Cover Type 3 (IV-C-3)
jpg -- Changes in Vegetative Deep-marsh Cover in a Semipermanent Pond, Moderately Brackish, Cover Type 3 (IV-C-3)
gif -- Changes in Vegetative Deep-marsh Cover in a Semipermanent Pond, Moderately Brackish, Cover Type 3 (IV-C-3)
Plate 20. Changes in vegetative deep-marsh cover in a semipermanent pond, moderately brackish, cover type 3 (IV-C-3), due to rising water levels. Hardstem bulrush (Scirpus acutus) is the predominant emergent species. From top to bottom, photographs were taken in the summers of 1962, 1964, and 1966. This pond was dry during the extreme drought of 1961. Stutsman County, N. Dak.

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