Agricultural Runoff, Cyanobacterial Blooms in Lake Erie and Public Health: A Knowledge Synthesis
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Field methods in the study of toxic cyanobacterial blooms: results and insights from Lake Erie research.
Sound field methodologies are an essential prerequisite in the development of a basic understanding of toxic cyanobacteria blooms. Sample collection, on-site processing, storage and transportation, and subsequent analysis and documentation are all critically dependent on a sound field program that allows the researcher to construct, with minimal uncertainty, linkages between bloom events and cy...
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www.frontiersinecology.org © The Ecological Society of America I 2011, the worst algal bloom in the history of North America’s Lake Erie developed in the western basin of the lake (Stumpf et al. 2012), the result of a combination of agricultural fertilizer runoff, heavy spring rains, and stable summer conditions that favored heavy algal growth (Michalak et al. 2013). Analysis of the dynamics an...
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After a 20-year absence, severe cyanobacterial blooms have returned to Lake Erie in the last decade, in spite of negligible change in the annual load of total phosphorus (TP). Medium-spectral Resolution Imaging Spectrometer (MERIS) imagery was used to quantify intensity of the cyanobacterial bloom for each year from 2002 to 2011. The blooms peaked in August or later, yet correlate to discharge ...
متن کاملTaming Toxic Algae Blooms
The trouble began for Toledo, Ohio, in the spring of 2014, when extreme storms washed an unusually high pulse of nutrients into Lake Erie. By late summer, a massive bloom of blue-green algae, otherwise known as cyanobacteria, had shut down the city’s drinking water system. Powered by nutrients from agricultural runoff and the warm, calm summer waters, the algae spread across the lake and slowly...
متن کاملCyanobacterial harmful algal blooms are a biological disturbance to Western Lake Erie bacterial communities.
Human activities are causing a global proliferation of cyanobacterial harmful algal blooms (CHABs), yet we have limited understanding of how these events affect freshwater bacterial communities. Using weekly data from western Lake Erie in 2014, we investigated how the cyanobacterial community varied over space and time, and whether the bloom affected non-cyanobacterial (nc-bacterial) diversity ...
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تاریخ انتشار 2015