1,980 research outputs found

    Comparison of Fishes Occurring in Alga and Seagrass Habitats on the East Coast of Florida

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    I compare the distribution and abundance of fishes between macroalga and seagrass habitats in Indian River lagoon, Florida. I sampled fishes monthly (Oct. 1986 - Sept. 1987) for a year by placing seines 10 m apart and pulling them together. I used a 1 m2 throw net to sample during March, May, June, August and September 1987. There was no significant difference in temperature, salinity, dissolved oxygen, and pH between habitats. Water depth was significantly different between alga (mean = 0.80 m) and seagrass (mean = 0.52 m). Dominate species (Lucania parva, Menidia peninsulae, Gobiosoma robustum, Syngnathus scovelli, Microgobius gulosus, Eucinostomus lefroyi, Floridichthys carpio, and Strongylura notata) were similar between the two habitats. Mean abundance, biomass, juvenile abundance and richness per seine tow; and abundance and biomass per throw net throw were significantly greater for sea grass habitat (p \u3c0.05). Multiple regression analysis indicated that habitat type accounted for the majority of the variation in abundance (37%) and biomass of fishes (31%) collected. Vegetation biomass, dissolved oxygen, pH, salinity, temperature, and water depth accounted for smaller amounts (\u3c10%) of variation in abundance and biomass of fishes

    The Four Seasons

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    Science and Conservation of Vernal Pools in Northeastern North America

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    A Character

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    Manual of Accounts for Tennessee Municipalities

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    Proper municipal accounting is basic to efficient city administration. Hence, if good municipal government is to prevail, the accounting system must be so designed and operated as to produce the required fiscal information. For this reason the Municipal Technical Advisory Service is grateful for the opportunity to make available to municipal finance officers and other officials in Tennessee this publication, a Manual of Accounts. The manual is the first of a series of important technical publications in this field; two others now in preparation are scheduled for publication within the coming year

    Achieving urban water conservation: testing community acceptance

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    Submitted to Office of Water Research and Technology, U.S. Dept. of Interior.Bibliography: pages 199-205.September 1977.Employing a Q-Sort Factor Analytical Design, this study sought to develop a system for parametric representation of non-linear data structures using data acquired from representative samples of entire communities. The representations are specified in terms of a spatial metric "social space," an analog of psychological space. The defined social space is then characterized and used to define the community action zone which is hypothesized to a zone of community acceptance for those policies falling within its bounds. Such a zone for the communities of Lafayette and Louisville, Colorado was used to define socially and politically feasible water conservation policies for the communities. Policies with the highest feasibility for acceptance were legal restrictions on water use and restrictions on growth and development. The next most feasible were horticultural techniques and economic solutions. Reuse for agricultural purposes also appeared to have some political feasibility. This study demonstrated the usefulness of survey research in delineating viable water conservation programs.OWRT Project no. A-030-COLO; supported by U.S. Dept. of the Interior, Office of Water Research and Technology, under Grant Agreement nos. 14-34-0001-6006, 14-34-0001-7011, 14-34-0001-7012

    Monetary policy in 1989: balancing the risks

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    Monetary policy - United States ; Federal Open Market Committee ; Monetary policy

    A multiple-detector irradiance meter and electronic depth-sensing unit for use in biological oceanography

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    The underwater irradiance meter or submarine photometer described here is designed to operate in the upper 100 to 150 m. It permits direct measurement of the downward blue-green irradiance (480 mµ) to a depth of 100-120 m on a clear day in water with an attenuation coefficient in the blue-green region of the spectrum of approximately 0.04/m. The meter can accommodate as many as five individual detector units as well as an associated depth-sensing element...

    Letter from William De Witt Snodgrass to Louis Untermeyer, July 28, 1962

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    Letter from William De Witt Snodgrass to Louis Untermeyer concerning his edits to the poem Meat Boy.https://scholars.unh.edu/snodgrass/1003/thumbnail.jp
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