Now showing items 581-600 of 10120

  • Atmospheric distribution of polycyclic aromatic hydrocarbons and deposition to Galveston Bay, Texas, USA 

    Park JS; Wade TL; Sweet S (, 2001 Jul)
    Estimates of the atmospheric deposition to Galveston Bay of polycyclic aromatic hydrocarbons (PAHs) are made using precipitation and meteorological data that were collected continuously from 2 February 1995 to 6 August ...
  • Atmospheric Nutrient Input to Coastal Areas - Reducing the Uncertainties 

    Valigura, Richard A.; Luke, Winston T.; Artz, Richard S.; Hicks, Bruce B. (National Oceanic and Atmospheric Administration Coastal Ocean Office, 1996-06)
    A significant fraction of the total nitrogran entering coastal and estuarine ecosystems along the eastern U.S. coast arises from atmospheric deposition; however, the exact role of atmospherically derived nitrogan in the ...
  • Atmospheric reoxygenation in the Houston Ship Channel. 

    Hann, R.W., Jr. (Texas A&M University, Environmental Engineering Division., 1972)
    No abstract available
  • Attacking Bay Problems 

    Shipley, Frank S. (Galveston Bay National Estuary Program, 1990)
    This is a short article about the problems with Galveston Bay. The Management Conference members drew up a list of concerns for the Estuary Program and this article discusses the management of the bays problems.
  • Attacking Bay Problems. 

    Shipley, F.S. (, 1990)
    No abstract available
  • Attempted maturation of snook in ponds and cages 

    Colura, R.L.; Matlock, G.C. (Texas Parks and Wildlife Department, Coastal Fisheries Branch, 1989)
    Snook (Centropomus undecimalis) were maintained in a 0.4-ha pond and in three cages in an 0.8-ha pond to induce maturation and spawning. The pond was stocked with 32 fish (13 males, 13 females and six unidentified) 25 May ...
  • Attraction of postlarval Penaeus aztecus Ives and P. setiferus (L.) (Crustacea: Decapoda: Penaeidae) to estuarine water in a laminar-flow choice chamber. 

    Benfield, M.C.; Aldrich, D.V. (, 1992)
    Attraction of postlarval brown Penaeus aztecus Ives and white shrimp P. setiferus (L.) to estuarine water from Galveston Bay, Texas was measured in a laminar-flow choice chamber. In replicate experiments conducted during ...
  • Attraction of postlarval Penaeus aztecus Ives and P. setiferus (L.) (Crustacea: Decapoda: Penaeidae) to estuarine water in a laminar-flow choice chamber 

    Benfield MC; Aldrich DV (, 1992)
    Attraction of postlarval brown Penaeus aztecus and white shrimp P. setiferus to estuarine water from Galveston Bay, Texas was measured in a laminar-flow choice chamber. In replicate experiments conducted during their normal ...
  • Attwater's prairie chicken population census. 

    Brownlee, W.C. (, 1973)
    The spring population census utilizing two airplanes and one helicopter was initiated March 1, 1973 and terminated April 5, 1973. The total Attwater's prairie chicken population was estimated to be 1,772 birds-up 7.4 ...
  • Attwater's prairie chicken population census. 

    Brownlee, W.C. (, 1970)
    The spring population census utilizing two aircrafts was initiated March 3, 1970 and terminated March 24, 1970. Impassable roads made it impossible to run driving census lines until after the height of booming activity. ...
  • Attwater's prairie chicken population census. 

    Brownlee, W.C. (, 1975)
    The Attwater's prairie chicken spring population census, utilizing two airplanes, one helicopter, and ground counts was completed March 25, 1975. The total Attwater's prairie chicken population was estimated to be 2,240 ...
  • Attwater's prairie chicken population census. 

    Brownlee, W.C. (, 1972)
    The spring population census utilizing two aircraft was initiated March 15, 1971 and terminated March 26, 1971. The total Attwater's prairie chicken population was estimated to be 2,213 birds, up 53.6 percent from 1970. ...
  • Attwater's prairie chicken population census. 

    Brownlee, W.C. (, 1974)
    The Attwater's prairie chicken spring population census; utilizing three airplanes, one helicopter, and ground counts was completed March 23, 1974. The total Attwater's prairie chicken population was estimated to be 2,004 ...
  • Attwater's prairie chicken population census. 

    Brownlee, W.C. (, 1970)
    No spring census was conducted during this segment since the project was approved after prairie chicken booming activities terminated. Landowners interviewed during this segment estimated that 1,773 birds occupied an ...
  • Attwater's prairie chicken population census. 

    Brownlee, W.C. (, 1977)
    The Attwater's prairie chicken spring population census, utilizing two airplanes, a helicopter, and ground counts was completed March 25, 1976. The total Attwater's prairie chicken population was estimated to be 2,088 ...
  • Attwater's prairie chicken production. 

    Brownlee, W.C. (, 1971)
    Initiation of producton surveys began in May and continued through August. A total of 186 poults were counted. The poult:adult ratio was 0.96:1.00. Of 19 nests found in Colorado and Austin counties 13 were destroyed by ...
  • Attwater's prairie chicken production. 

    Brownlee, W.C. (, 1973)
    Initiation of production surveys began in May and continued through August. A total of 132 poults was counted. The poult/adult ratio was 0.17:2.7. A total of 15 nests was found in Austin County of which 11 had been destroyed.
  • Attwater's prairie chickens on the edge: Galveston County, Texas 

    Bergan, James F., Thomas J. Ledbetter, and Raymond W. Johnson (Texas Natural Resource Conservation Commission, 1999)
    The Attwater's prairie chicken (APC) (Tympanchus attwateri) has persisted in southern Galveston County, Texas despite a severe loss of coastal prairie habitat and degraded state of remaining grasslands. Historically, up ...
  • Audubon Christmas bird counts. 

    Butcher, G.S. (U.S. Fish and Wildlife Service, 1990)
    No abstract available
  • Audubon in Texas 

    Garrison, B. (Texas Parks and Wildlife Department, 1988)
    Discusses John J. Audubon's journeys through Galveston Bay and compares his observations to today's realities.