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GLIN==> UPCOMING COASTAL HYPOXIA SEMINARS
- Subject: GLIN==> UPCOMING COASTAL HYPOXIA SEMINARS
- From: Kanika Suri <Kanika.Suri@noaa.gov>
- Date: Tue, 07 Nov 2006 13:13:37 -0500
- Delivered-to: glin-announce-archive@glc.org
- Delivered-to: glin-announce@great-lakes.net
- List-name: GLIN-Announce
- User-agent: Thunderbird 1.5.0.7 (Windows/20060909)
We have scheduled two seminars for the NOAA/ University of Michigan
Coastal Hypoxia Seminar Series for the week of 11/13. Please find the
details listed below.
1) Speaker: Dr. Eugene Turner, Lousiana State University
Title: "Linking landscape and water quality in the Mississippi River
basin for 200 years "
Date: Tuesday, November 14
Time: 10:30 AM
Location: Great Lakes Environmental Research Laboratory, 2205
Commonwealth Blvd., Ann Arbor, MI, 48105
Abstract
The world’s second largest zone of coastal hypoxia (oxygen depleted
waters usually without marine organisms) is on the northern Gulf of
Mexico continental shelf, adjacent to the outflows of the Mississippi
and Atchafalaya Rivers. Decades of research, monitoring and
retrospective analysis support the conclusion that land use in the
watershed is reflected in the ecology of the continental shelf. Nitrogen
loading in the Mississippi River at New Orleans is moving towards a
situation encouraging N and Si limitation. This result will likely alter
phytoplankton community composition, and may compromise diatom ->
zooplankton -> fish food webs. It is clear that nitrogen reductions in
the sub-basins of the upper Midwest will be a key to the success of
government polices to reduce hypoxia, and scientists are playing a
unique and important role in informing this policy process. The Action
Plan developed by State, Federal and Tribal entitles identifies a
quantitative goal for a reduced hypoxic zone -- a 30% reduction in the
nitrogen load. The Plan recognizes that all nitrogen sources should be
included in the strategy and includes other nutrients. However, because
74% of the nitrate load is from agricultural non-point sources, and
because 56% of the total nitrate load comes from north of the Ohio
River, it is clear that nitrogen reductions in the sub-basins of the
upper Midwest will be a key to its implementation.
2) Speaker: Dr. Steve Lozano, Great Lakes Environmental Research Laboratory
Title: "Empirical assessments of Lake Erie ecological conditions"
Date: Thursday, November 16
Time: 10:30 AM
Location: Great Lakes Environmental Research Laboratory, 2205
Commonwealth Blvd., Ann Arbor, MI, 48105
Abstract
There are a multitude of stressors that impact the Lake Erie ecosystem.
Some stressors have been a part of the ecosystem for centuries
(hypoxia), decades (nutrients), and years (exotic species). In my
presentation, I will present several statistical modeling techniques
that will allow an understanding of the impact of environmental
stressors based on an integration of individuals, populations,
communities, and ecosystem levels. I will compile and evaluate a time
series of data on physical habitat and benthic surveys from 1967 to
2004. These data represent a period before and after the invasion of
dreissenid mussels. The proposed analyses should improve our
understanding of the impacts of hypoxia and exotic species invasion on
benthic ecosystems.
------------------------------------------------------------------------
If you have any questions or concerns, please email me at
kanika.suri@noaa.gov; or call 734-741-2147.
For more information about the seminar series, please visit our website
at http://www.glerl.noaa.gov/news/seminars/
--
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Kanika Suri
Web Designer Associate
NOAA Great Lakes Environmental Research Laboratory
2205 Commonwealth Blvd.,
Ann Arbor, MI
48105
Tel: (734) 741-2147
Fax: (734) 741-2055
www.glerl.noaa.gov
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