Now showing items 31-40 of 65
Preliminary Evaluation of the Scale Method for Describing Age and Growth of Spotted Seatrout (Cynoscion nebulosus) in the Matagorda Bay System, Texas
(Texas Parks and Wildlife Department, Coastal Fisheries Branch, 1984)
Inconsistent literature and inadequate methods validation data prompted a pilot study to evaluate the use of scales to estimate age and growth of spotted seatrout (Cynoscion nebulosus) in Matagorda Bay, Texas. Scale ...
Taxonomy of Ceriodaphnia (Crustacea: Cladocera) in U.S. Environmental Protection Agency Cultures
(United States Environmental Protection Agency, 1986-09)
This study investigated the taxonomy of three groups of the cladoceran genus (Ceriodaphnia) in cultures being used by the U.S. Environmental Protection Agency. One taxonomic group, having heavy, triangular denticles in a ...
Primer for Wastewater Treatment
(United States Environmental Protection Agency, 1980-07)
This primer explains the methods used now and processes being developed for the future to treat wastewater discharges and give the Nation clean water.
(Harris-Galveston Coastal Subsidence District, 1983)
Since the turn of the century, groundwater in the Harris-Galveston region has been withdrawn in ever increasing quantities to keep pace with the area's phenomenal growth. As a result, subsidence - or the sinking of the ...
Geomorphic recovery of the Chandeleur Islands, Louisiana, after a major hurricane
The processes of geomorphic change in the Chandeleur Islands, Louisiana, were monitored for two years after the passage of Hurricane Frederic in September 1979. Rates of beach accretion and hurricane-channel closure on ...
Cysts of the Thecate Dinoflagellate Fragilidium, Balech ex Loeblich
Motile, thecate dinoflagellates of the genus Fragilidium excysted under laboratory conditions from two types of morphologically distinct hypnocysts, isolated from sediments of the Indian River lagoon, Brevard County, ...
Marine drilling exploration; technical and environmental criteria for rig selection
The appropriate rig for offshore drilling is not necessarily the Glomar Challenger of the Discoverer Seven Seas, but rather the combination of equipment that best fits the budget and requirements of the project under ...
Natural Heritage of Texas
(Texas General Land Office; Texas Nature Conservancy, 1987)
Texas possesses the richest natural heritage of any state in the Union. Among its many natural resources are 5,000 species of plants, including 2,000 different wildflowers, 550 species of birds, mountains, deserts, prairies, ...
Polyculture of Penaeid Shrimp in Brackish Water Ponds Receiving Power Plant Cooling Water
(Oregon State University, 1983)
Penaeid white shrimp Penaeus setiferus and blue shrimp P. stylirostris and striped mullet Mugil cephalus were cultured in 0.1-ha earthen ponds receiving power plant effluent from the Houston Lighting and Power Company's ...
Preserving Galveston Bay
(U.S Fish and Wildlife Service, 1989)
No abstract available.