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  • Eutrophication
  • American Association for the Advancement of Science (AAAS)  (1)
  • Springer Nature  (1)
  • American Institute of Physics
  • 2015-2019  (2)
  • 1960-1964
  • 1945-1949
  • 1
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    Using spatial variability in the rate of change of chlorophyll a to improve water quality management in a subtropical oligotrophic estuary (2019)
    Springer Nature
    Details
    Publication Date: 2022-05-26
    Description: © The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Millette, N. C., Kelble, C., Linhoss, A., Ashby, S., & Visser, L. Using spatial variability in the rate of change of chlorophyll a to improve water quality management in a subtropical oligotrophic estuary. Estuaries and Coasts, 42(7), (2019): 1792-1803, doi:10.1007/s12237-019-00610-5.
    Description: Anthropogenic eutrophication threatens numerous aquatic ecosystems across the globe. Proactive management that prevents a system from becoming eutrophied is more effective and cheaper than restoring a eutrophic system, but detecting early warning signs and problematic nutrient sources in a relatively healthy system can be difficult. The goal of this study was to investigate if rates of change in chlorophyll a and nutrient concentrations at individual stations can be used to identify specific areas that need to be targeted for management. Biscayne Bay is a coastal embayment in southeast Florida with primarily adequate water quality that has experienced rapid human population growth over the last century. Water quality data collected at 48 stations throughout Biscayne Bay over a 20-year period (1995–2014) were examined to identify any water quality trends associated with eutrophication. Chlorophyll a and phosphate concentrations have increased throughout Biscayne Bay, which is a primary indicator of eutrophication. Moreover, chlorophyll a concentrations throughout the northern area, where circulation is restricted, and in nearshore areas of central Biscayne Bay are increasing at a higher rate compared to the rest of the Bay. This suggests increases in chlorophyll a are due to local nutrient sources from the watershed. These areas are also where recent seagrass die-offs have occurred, suggesting an urgent need for management intervention. This is in contrast with the state of Florida listing of Biscayne Bay as a medium priority impaired body of water.
    Description: Data provided by the SERC-FIU/SFWMD Water Quality Monitoring Network is supported by SFWMD/SERC Cooperative Agreement #4600000352 as well as EPA Agreement #X7-96410603-3. This research was also funded by a NOAA/Atlantic Oceanographic and Meteorological Laboratory grant to the Northern Gulf Institute (award number NA160AR4320199).
    Keywords: Chlorophyll a ; Eutrophication ; Oligotrophic ; Ecological indicators
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 2
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    Algal toxin impairs sea lion memory and hippocampal connectivity, with implications for strandings (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-12-17
    Description: Domoic acid (DA) is a naturally occurring neurotoxin known to harm marine animals. DA-producing algal blooms are increasing in size and frequency. Although chronic exposure is known to produce brain lesions, the influence of DA toxicosis on behavior in wild animals is unknown. We showed, in a large sample of wild sea lions, that spatial memory deficits are predicted by the extent of right dorsal hippocampal lesions related to natural exposure to DA and that exposure also disrupts hippocampal-thalamic brain networks. Because sea lions are dynamic foragers that rely on flexible navigation, impaired spatial memory may affect survival in the wild.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cook, Peter F -- Reichmuth, Colleen -- Rouse, Andrew A -- Libby, Laura A -- Dennison, Sophie E -- Carmichael, Owen T -- Kruse-Elliott, Kris T -- Bloom, Josh -- Singh, Baljeet -- Fravel, Vanessa A -- Barbosa, Lorraine -- Stuppino, Jim J -- Van Bonn, William G -- Gulland, Frances M D -- Ranganath, Charan -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):1545-7. doi: 10.1126/science.aac5675. Epub 2015 Dec 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neuropolicy, Emory University, Atlanta, GA 30322, USA. Pinniped Cognition and Sensory Systems Laboratory, Institute of Marine Sciences, University of California-Santa Cruz, Santa Cruz, CA 95060, USA. pfcook@emory.edu. ; Pinniped Cognition and Sensory Systems Laboratory, Institute of Marine Sciences, University of California-Santa Cruz, Santa Cruz, CA 95060, USA. ; Dynamic Memory Lab, Center for Neuroscience, University of California-Davis, Davis, CA 95618, USA. ; AnimalScan Advanced Veterinary Imaging, Redwood City, CA 94063, USA. ; Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA. ; The Marine Mammal Center, Sausalito, CA 94965, USA. ; Shedd Aquarium, Chicago, IL 60605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26668068" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Eutrophication ; Hippocampus/*drug effects/physiology ; Kainic Acid/*analogs & derivatives/metabolism/toxicity ; Marine Toxins/*toxicity ; Neurotoxins/metabolism/*toxicity ; Sea Lions/*physiology ; Spatial Memory/*drug effects ; Thalamus/drug effects/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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