Now showing items 1288-1307 of 2602

    • Job Completion Report. 

      Singleton, J.R. (, 1950)
      Determination of vegetative types according to present land-use practices, the location, acreage, and the relative importance of these types to waterfowl on the Texas coast.
    • Job Completion Report. 

      Singleton, J.R.; Kiel, W.H., Jr. (, 1956)
      Aerial inventories were flown along the Texas Coast in October, November, December, and January. Population levels were much lower than in past seasons. The October inventory was not flown until just prior to opening of ...
    • Job completion report. 

      Singleton, J.R.; Jennings, W.S. (, 1954)
      Aerial inventories were flown along the Texas coast in October, November, December, and January to determine waterfowl population trends and levels. The December population of 3,218,800 ducks and geese was the highest ...
    • Job completion report. 

      Engeling, G.A. (, 1950)
      Juvenile mottled ducks were banded along the Texas Gulf Coast between May 1 and September 30, 1949. The results from the banding were inconclusive.
    • Job completion report. 

      Singleton, J.R.; Jennings, W.S. (, 1951)
      Twenty-nine Gulf Coast counties in Texas were inventoried by aerial survey for mottled ducks. The March population was one duck per square mile and the August population was .8 ducks per square mile. This is the fourth ...
    • Job Completion Report. 

      Singleton, J.R.; Kiel, W.H., Jr. (, 1957)
      Aerial inventory on or about the 15th of each month, October through January. These monthly flights covered all of the marshes and bays, as well as a portion of the rice belt. All known concentration sites of both ducks ...
    • Job completion report. 

      Singleton, J.R. (, 1950)
      Mapping of the Texas Gulf Coast in respect to relative importance of land types to water front was conducted. Nine vegetative and land-use types were selected as a basis for type. Mapping vegetative types are correlated ...
    • Job completion report. 

      Singleton, J.R. (, 1955)
      Unfavorable conditions for trapping and banding of the resident mottled duck prevented the successful operation of banding stations. No efforts to trap and band winter migrants were made due to the time required to complete ...
    • Job completion report. 

      Singleton, J.R.; Jennings, W.S. (, 1955)
      Aerial inventories were flown in November, December, and January. Total waterfowl populations during these months was found to be considerably lower than those populations of the previous season, 1953-1954, which were the ...
    • Job completion report. 

      Singleton, J.R. (, 1951)
      Mottled ducks were studied in Chambers and Liberty counties, Texas. A total of 26 nests were located and followed throughout the nesting season. Only seven of the nests were successfully hatched. The exclusion of grazing ...
    • Job completion report. 

      Singleton, J.R. (, 1950)
      The coastal waterfowl inventory is made to determine monthly population trends, rather than total populations. Population peaks are determined. The rice belt of the Gulf Coast Prairie was especially attractive to waterfowl ...
    • Job completion report. 

      Singleton, J.R. (, 1950)
      This study was conducted to determine the density and population trends on the various coastal habitat types of mottled ducks.
    • Job Completion Report. 

      Singleton, J.R. (, 1956)
      A total of 1,044 waterfowl band recoveries was made in Texas during the 1955 waterfowl hunting season. A compilation by species and by year is given in Table 1. Banding sites are shown in Figure 1, and distribution of the ...
    • Just Doing It! - A Catered Galveston Bay Ecosystem Education Program 

      Hayden, MJ; Snell, S (Galveston Bay Estuary Program, Jan. 24, 2)
      Bay and Island Adventures works like a catering service. It brings students and teachers a prepared banquet of education about Galveston Bay area ecosystems, complete with hands-on teaching modules, all necessary equipment ...
    • Key to the estuarine and marine fishes of Texas. 

      Galloway, B.J.; Parker, J.C.; Moore, D. (Texas A&M University, 1972)
      Persons attempting to identify estuarine and marine fishes found along the Texas coast face a serious handicap because the pertinent literature is vast and scattered through a variety of books and technical journals. This ...
    • Key U.S. Harbor and channel improvements: Planning for future global needs 

      Grier DV; Pointon MR (American Society of Civil Engineers, 2002)
      Like other nations, the volume of foreign trade and its share of the economy are growing rapidly in the United States. Most of this foreign trade is handled by ships calling at U.S. coastal and Great Lakes ports. And like ...
    • Keys to the families of the land and fresh-water snails of Texas. 

      Cheatum, E.P.; Fullington, R.W. (, n.d.)
      These keys cover families of the known land and fresh water snails of Texas. In land snails which produce external shells, the key is based upon only the mature shell. Such a treatment is necessary because, in the main, ...
    • Kings Bay coastal processes numerical model. 

      Vemulakonda, S.; Scheffner, N.; Earickson, J.; Chou, L. (Coastal Engineering Research Center, Waterways Experiment Station., 1988)
      No abstract available
    • Laboratory evaluation of red-tide control agents 

      Marvin KT; Proctor R Jr (, 1967)
      Red-tide toxicants were evaluated based on the following requirements: 100% lethality to Gymnodinium breve within 24 hours at concentrations of 0.01 p.p.m. or less and a selectivity threshold concentration at 0.1 p.p.m. ...