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Water Quality and the Composition of Fish and Macroinvertebrate Communities in the Devils and Pecos Rivers in and Upstream from the Amistad National R

Autor U. S. Department of the Interior
en Limba Engleză Paperback
To gain a better understanding of the water quality and status of fish and macroinvertebrate communities, the U.S. Geological Survey, in cooperation with the National Park Service and Amistad National Recreation Area, completed a reconnaissance-level survey of the water quality and fish and macroinvertebrate communities in the Devils and Pecos Rivers in and upstream from the Amistad National Recreation Area in southwest Texas during 2005-7. Water-quality conditions during the spring and summer months of 2005 in the Devils and Pecos Rivers were assessed at locations just upstream from the Amistad National Recreation Area, and the composition of fish and macroinvertebrate communities were assessed during 2006 and 2007 in and upstream from the Amistad National Recreation Area and Amistad Reservoir. Water-quality samples were collected at one site on both the Devils and Pecos Rivers.
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Specificații

ISBN-13: 9781497485761
ISBN-10: 1497485762
Pagini: 78
Dimensiuni: 216 x 279 x 4 mm
Greutate: 0.2 kg
Editura: CREATESPACE