نتایج جستجو برای: red tide
تعداد نتایج: 156005 فیلتر نتایج به سال:
International Shadegan wetland is the one of large Iranian wetlands. This wetland is located in south west Iran in Khuzestan province. Dams construction and not observing of wetland water needs, breeding fish, Saccharum industry sewages, oil pipes crossing, activity of 30 petrochemical unit and urban wastes discharge, entered this unique wetland, from 1992 in red list of international wetlands ...
To explore the effects of eutrophic deep waters offshore on red-tide outbreaks, were collected from 0, 20, and 40 m depths at an station in South Sea Korea, growth rate each major dinoflagellate Prorocentrum donghaiense, Tripos furca, Alexandrium fraterculus, Margalefidinium polykrikoides was measured. No species grew dissolved inorganic nitrogen concentrations (DIN) < 7.0–8.4 µM, but rates all...
Even in nitrogen-replete ecosystems, microhabitats exist where local-scale nutrient limitation occurs. For example, coastal waters of the northeastern Pacific Ocean are characterized by high nitrate concentrations associated with upwelling. However, macroalgae living in high-zone tide pools on adjacent rocky shores are isolated from this upwelled nitrate for extended periods of time, leading to...
Florida red tides are naturally occurring blooms of the marine dinoflagellate, Karenia brevis. K. brevis produces natural toxins called brevetoxins. Brevetoxins become part of the marine aerosol as the fragile, unarmored cells are broken up by wave action. Inhalation of the aerosolized toxin results in upper and lower airway irritation. Symptoms of brevetoxin inhalation include: eye, nose, and ...
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