نتایج جستجو برای: blooms syndrome
تعداد نتایج: 626312 فیلتر نتایج به سال:
The National Aeronautics and Space Administration's (NASA) sensor MODIS-Aqua provides an important tool for reliable observations of the changing ocean surface algal bloom paradigms in coastal and oceanic waters around India. A time series of the MODIS-Aqua-derived OSABI (ocean surface algal bloom index) and its seasonal composite images report new information and comprehensive pictures of thes...
Data from satellite altimeters are often degraded by the occurrence of unrealistically high values of the ocean surface radar backscatter cross sections (sigma-0). Various studies on Topex and Jason-1 altimeters data have shown that these events called “sigma-0 blooms” affect almost 6% of the over ocean measurements. On Topex data, sigma-0 blooms have been observed and analysed by Mitchum which...
چکیده ندارد.
Citation: Schulz KG, Bach LT, Bellerby RGJ, Bermúdez R, Büdenbender J, Boxhammer T, Czerny J, Engel A, Ludwig A, Meyerhöfer M, Larsen A, Paul AJ, Sswat M and Riebesell U (2017) Phytoplankton Blooms at Increasing Levels of Atmospheric Carbon Dioxide: Experimental Evidence for Negative Effects on Prymnesiophytes and Positive on Small Picoeukaryotes. Front. Mar. Sci. 4:64. doi: 10.3389/fmars.2017....
Toxic cyanobacterial blooms are an increasing problem in the lower Laurentian Great Lakes. To better understand their occurrence and distribution, samples for particulate toxin analysis were collected from more than 140 New York Lakes including Lakes Erie, Champlain and Ontario. Microcystins were of most importance and were detected in nearly 50% of the samples. Anatoxin-a, cylindrospermopsin a...
To establish the influence of phytoplankton blooms on the cycling of dissolved and particulate species of organic carbon and nitrogen, we conducted a field study during a series of blooms in a coastal embayment on Shelter Island, NY. Using cross-flow filtration, we collected highand low-molecular-weight (HMW and LMW) dissolved organic matter (DOM), along with particulate organic matter (POM). T...
a r t i c l e i n f o Phytoplankton blooms, in their pivotal position in pelagic seasonal succession require precise classification criteria in order to evaluate such parameters as bloom start, bloom timing, bloom maximum and growth rates. Such bloom parameters are linked directly to species and bloom specific features. Currently the phytoplankton bloom concept, though intuitively clear, lacks ...
In the late summers of 1993 and 2007, phytoplankton communities in Allatoona Lake shifted from typically diverse assemblages to near monospecific blooms of small cell-size species (a 0.5 X 2 μm cyanobacterium and a 2.5 X 15 μm diatom, respectively). These changes resulted in major increases in the amount of flocculating chemicals used to treat drinking water. Water temperatures in the epilimnio...
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