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Impact of the commercial fishery on the population of bait shrimp (Penaeus spp.) in Biscayne Bay 1986
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2003
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[PDF-1.62 MB]
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Alternative Title:Bait shrimp (Penaeus spp.) in Biscayne Bay 1986
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Corporate Authors:Metropolitan Dade County (Fla.), Department of Environmental Resources Management. ; Miami-Dade County (Fla.), Department of Environmental Resources Management ; Coastal and Estuarine Data Archeology and Rescue Program ; Center for Coastal Monitoring and Assessment (U.S.) ; Rosenstiel School of Marine and Atmospheric Science ; ... More +
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Description:"The Biscayne Bay Benthic Sampling Program was divided into two phases. In Phase I, sixty sampling stations were established in Biscayne Bay (including Dumfoundling Bay and Card Sound) representing diverse habitats. The stations were visited in the wet season (late fall of 1981) and in the dry season (midwinter of 1982). At each station certain abiotic conditions were measured or estimated. These included depth, sources of freshwater inflow and pollution, bottom characteristics, current direction and speed, surface and bottom temperature, salinity and dissolved oxygen, and water clarity was estimated with a secchi disk. Seagrass blades and macroalgae were counted in a 0.1-m 2 grid placed so as to best represent the bottom community within a 50-foot radius. Underwater 35-mm photographs were made of the bottom using flash apparatus. Benthic samples were collected using a petite Ponar dredge. These samples were washed through a 5-mm mesh screen, fixed in formalin in the field, and later sorted and identified by experts to a pre-agreed taxonomic level. During the wet season sampling period, a nonquantitative one-meter wide trawl was made of the epibenthic community. These samples were also washed, fixed, sorted and identified. During the dry season sampling period, sediment cores were collected at each station not located on bare rock. These cores were analyzed for sediment size and organic composition by personnel of the University of Miami. Data resulting from the sampling were entered into a computer. These data were subjected to cluster analyses, Shannon-Weaver diversity analysis, multiple regression analysis of variance and covariance, and factor analysis. In Phase II of the program, fifteen stations were selected from among the sixty of Phase I . These stations were sampled quarterly. At each quarter, five Petite Ponar dredge samples were collected from each station. As in Phase I, observations and measurements, including seagrass blade counts, were made at each station. In Phase II, polychaete specimens collected were given to a separate contractor for analysis to the species level. These analyses included mean, standard deviation, coefficient of dispersion, percent of total, and numeric rank for each organism in each station as well as number of species, Shannon-Weaver taxa diversity, and dominance (the compliment of Simpson's Index) for each station. Multiple regression analysis of variance and covariance, and factor analysis were applied to the data to determine effect of abiotic factors measured at each station."
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Content Notes:W.L. Campos and S.A. Berkeley ; [A.Y. Cantillo, editor].
Title from title screen.
"Final report to: Metropolitan Dade County Department of Environmental Resources Management"--Added title screen.
"NOAA/University of Miami Joint Publication."
"Coastal and Estuarine Data Archeology and Rescue Program."
"This study was made possible through a grant from the Department of Environmental Resources Management of Dade County"--Acknowledgements.
"Rescue of this work in 2003 was funded through a grant of the South Florida Ecosystem Restoration Prediction and Modeling Program (SFERPM)-a competitive program conducted by the Center for Sponsored Coastal Ocean Research (CSCOR), in association with the South Florida Living Marine Resources Program (SFLMR)-for Coastal and Estuarine Data/Document Archeology and Rescue (CEDAR) for South Florida"--Acknowledgements.
"December 2003."
Series misnumbered on insert cover.
Also issued online in PDF via the Coastal and Estuarine Data Archeology and Rescue Program (CEDAR) home page.
System requirements: IBM or MacIntosh computer; Microsoft Word 5.1+ or Adobe Acrobat software.
Electronic text, image and numeric data in Microsoft Word and PDF formats.
Includes bibliographical references.
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Rights Information:Public Domain
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Compliance:Library
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