Hypoxia In The News
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Use search engines such as Google or Bing to set up automatic alerts for hypoxia in the news. Learn more (PDF) (1 p, 94K).
Hypoxia continues to draw attention worldwide as a critical issue affecting people and ecosystems. A wealth of articles online discuss both the problem and its solutions.
USGS Releases New Report
The United States Geological Survey recently released a new report titled "Trends in Nutrients and Pesticides in the Nation's Streams and Rivers." For more information, please click here.
Gulf of Mexico Hypoxic Zone: Annual Size
Every summer the hypoxic zone in the Gulf of Mexico is measured. You can access measurements of dissolved oxygen levels taken from 2001 to the current season and compare the size of the zone from one year to next. You can also see how the current season compared to past seasons. Learn more.
Gulf of Mexico Hypoxic Zone Scientist Receives 2012 MacArthur Fellowship
Nancy Rabalais, a marine ecologist who focuses on researching, documenting, and mitigating the effects of the Gulf of Mexico Hypoxic Zone with significant support from NOAA's NGOMEX program, has received a prestigious award for her work. The MacArthur Fellowship is a $500,000 award to recognize impressive accomplishments and encourage continued achievements. You can read more about her accomplishments on NOAA's Website or on the MacArthur Foundation Website.
Des Moines Register Releases Collection of Articles on Gulf of Mexico Dead Zone
A new "Dead Zone" Website by the Des Moines Register has articles and infographics on dead zone size, impacts from fertilizer use on farms, farmer initiatives and interest, and scientific research results regarding nutrient pollution and the Gulf of Mexico Dead Zone.
Upper Mississippi River Basin Association releases report
The Upper Mississippi River Basin Association released a report as part of a project to aid in the implementation of Clean Water Act programs on the Upper Mississippi River, both to achieve greater interstate consistency and to enhance water quality protection. The report, "Upper Mississippi River Nutrient Monitoring, Occurrence, and Local Impacts: A Clean Water Act Perspective," is available for download here: http://umrba.org/wq/umr-nutrients.pdf
Nutrient Flux for the Mississippi River Basin and Subbasins
USGS has monitored streamflow and water quality in the Mississippi River Basin (MRB) for decades. Increasingly, management concerns have focused on delivery of streamflow and nutrients to the Gulf of Mexico because of their influence on the formation and extent of a zone of hypoxic waters in the northern Gulf (What is Hypoxia? U.S. Environmental Protection Agency). Flux and yield estimates for subbasins are important because they provide a means to identify the primary source areas and the relative contributions of both streamflow and nutrients from different parts of the Basin.
To learn more, visit: USGS - Nutrient Flux for the Mississippi River Basin and Subbasins
Tracking Marine Dead Zones Worldwide: A Web-based Tool
A web-based tool graphically illustrated eutrophic and/or hypoxic conditions in some 762 coastal areas worldwide. The tool identifies:
479 sites as experiencing hypoxia,
55 sites that once experienced hypoxia but are now improving, and
228 sites that experience other symptoms of eutrophication, including algal blooms, species loss, and impacts to coral reef assemblages.
These data were compiled using a literature search conducted by Dr. Robert Diaz of VIMS and WRI staff. Because this map depends on available data, geographic areas with more data availability (such as the United States) may show relatively more problem areas compared to areas with less data.
The researchers seek information that will help them to ensure that this dataset is accurate and up-to-date. To contact them for more information or provide feedback, visit: http://www.wri.org/project/eutrophication/map