HARTMAN MULTIMEDIA
Nature Based Multimedia Information Systems
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HARTMAN MULTIMEDIA
Nature Based Multimedia Information Systems |
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Harper Dry Lake (ACEC) A freshwater marsh is the main feature of this Area of
Critical Environmental Concern (ACEC), though approximately three-quarters of
the area is a dry-lake playa. Cattail, Typha sp., and Carex sp. are the
dominants in the marsh. In the
adjacent area there are several species of saltbush, Atriplex confertifolia,
Atriplex hymenelytra, Atriplex polycarpa and Atriplex
spinifera. A number of animals are present including the desert
tortoise, Gopherus agassizi, the introduced mosquito fish, Gambusia
affinis, and
a disjunct population of the San Joaquin pocket mouse, Perognathus inornatus. Over 140 species of birds, have been observed in the
area, 60 of them water-oriented. Among the nesting species are snowy plover,
Charadrius alexandrinus, Virginia rail, Rallus limicola, cinnamon teal,
Anas cyanoptera, black-necked stilt, Himantopus mexicanus, avocet,
Recurvirostra americana, and yellow throat, Geothlypis trichas. Migrants include pintail,
Anas acuta, blue-winged teal, Anas discors, shoveler, Anas
clypeata, and redhead,
Aythya americana. Sora, Porzana
carolina, Yuma clapper rail, Rallus longirostris yumanensis, and bald eagle,
Haliaeetus leucocephalus, have been sighted here. There is open water in the marsh. Integrity: Some grazing has occurred in the area and
there is a road on the playa; however, the vegetation has not been severely
impacted except in those areas Use: Research,
educational, observational. May 1982
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