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Home > Research by Programs > EP
Ecological Prediction
Task Leader: Doran Mason
Highlights
International Field Years on Lake Erie (IFYLE)
NOAA GLERL is leading a large scale collaborative research effort
on Lake Erie
+ Read more
Habitat-Mediated Predator-Prey Interactions in the Eastern Gulf
of Mexico
This research project seeks to identify, test, and balance the bioenergetic
processes that cause differences in growth and condition of gag grouper
as a function of reef habitat characteristics. We use hydroacoustics to
quantify pelagic prey fish at replicate patch reefs, visual censusing
to quantify gag grouper densities, and quantify food consumption of gag.
+ Read more
+ Gag grouper and prey species video clip (MPEG 7 secs, 1.09 MB)
Current Featured Projects
(Full List of GLERL Ecological
Prediction Program Projects)
Implications
of Cercopagis and Bythotrephes to Alewife Recruitment and
Stability of the Lake Michigan Pelagic Food Web
This project proposes to develop a general model from experimental observations
of prey selection and feeding for the invading predatory cercopagid cladocerans Cercopagis pengoi and Bythotrephes longimanus that will
be useful for predicting predatory impact of these cercopagids. The information
will be combined with field observations of population dynamics, production
and spatial distribution of zooplankton and fishes collected in this and
related projects to describe and understand invasion dynamics of Cercopagis and determine if these cercopagids have disrupted the Lake Michigan food
web.
+ Read more
Data products
IFYLE Cruise Data
This database includes physical, chemical, and biological data gathered by IFYLE cruises during 2005. Water chemistry, CTD profiles, fluorometry, zooplankton, fish trawls and towed instrument measurements are reported here. This data is shared by scientists participating in the IFYLE project, thus much of it is password-protected at the current time.
+ IFYLE Cruise Data
Abundance, Biomass, and Species Composition of Benthic Macroinvertebrate
Populations in Saginaw Bay, Lake Huron, 1987-1996
The abundance (number per grab sample) of all taxa collected between 1987
and 1996 with the Ponar grab. Variables include year, season, station,
replicate number, and taxa.
+ Read
more
GRP Map Maker
A User's Guide to Spatial Models of Fish Habitat Combining Acoustic Data
and Bioenergetics Models. GRP Map Maker allows uses to convert data on
fish distribution and on simple environmental measures into measures of
fish growth rate potential, fish maximum potential consumption, and maximum
fish growth.
+ Read
more
Complete Listing of GLERL Data Products
Software / Image products
GLERL Great Lakes Photo Galleries
Images of Great Lakes plants, invertebrates, fish, and more...
+ Great Lakes invertebrate
and plant images
+ Great Lakes fish images
+ IFYLE Program images
Great Lakes Sea Grant Photo Galleries
GLERL has a Great Lakes Sea Grant Extension Agent onsite to support and
promote increased communication and cooperation between GLERL and the
seven Great Lakes Sea Grant Programs in the region. The Great
Lakes Sea Grant Web Site posts many valuable resources and links.
+ Great Lakes Sea Grant waterlife
photo gallery
+ Great Lakes
Sea Grant water levels photo gallery
+ Complete Listing of GLERL Software
Products
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Program Background
This research program focuses primarily on key components of the
Great Lakes food web and the links between physical, chemical, and
biological processes that impact important processes in ecosystem
function. Although long-term trends in key components are examined,
life history studies and process research are emphasized so that
GLERL's expertise can be applied to problems in a variety of ecosystems
that are geographically and biologically diverse.
Goals: Improve our knowledge and understanding of food web processes
and dynamics, and their relationship to environmental quality and
living resources in Great Lakes and coastal marine ecosystems. Apply
this knowledge better understand the causes, effects, and solutions
to problems such as eutrophication, toxic contaminants, nonindigenous
species invasions, habitat modification, and climatic variations
More background information
Recent Publications
HOOK, T.O., M.J. McCORMICK, E.S. Rutherford, D.M. MASON, and G.S. Carter. Short-term water mass movements in Lake Michigan: implications for larval fish transport. Journal of Great Lakes Research 32:728-737 (2006).
+ download article
LUDSIN, S.A., C.H. HAND, J.W. Marsden, B.J. Fryer, and E.A. Howe. Micro-elemental analysis of statoliths as a tool for tracking tributary origins of sea lamprey. 2006 Project Completion Report, Great Lakes Fishery Commission, Ann Arbor, MI, 106 pp. (2006).
+ download article
PEACOR, S.D., S. Allesina, R.L. Riolo, and M. Pascual. Phenotypic plasticity opposes species invasions by altering fitness surface. PLoS Biology 4(11):9 pp. (2006).
+ download article
PEACOR. S.D. Behavioural response of bullfrog tadpoles to chemical cues of predation risk are affected by cue age and water source. Hydrobiologia 573:39-44 (2006). DOI 10.1007 s10750-006-0256-3.
PEACOR. S.D., J.R. Bence, and C.A. Pfister. The effect of size-dependent growth and environmental factors on animal size variability. Theoretical Population Biology 71(2007):80-94 (2006).
+ download article
Schuler, L.J., P.F. LANDRUM, and M.J. Lydy. Response spectrum of fluoranthene and pentachlorobenzene for the fathead minnow ( Pimephales promelas). Environmental Toxicology and Chemistry 26(1):139-148 (2007).
Selected Brochures
Fish Acoustics
at the Great Lakes Environmental Research Laboratory (PDF)
Waterborne Contaminants
in the Great Lakes (PDF)
All GLERL Brochures
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