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POTENTIAL EFFECTS OF CLIMATE CHANGES ON AQUATIC SYSTEMS: LAURENTIAN GREAT LAKES AND PRECAMBRIAN SHIELD REGION
The region studied includes the Laurentian Great Lakes and a diversity of smaller glacial lakes, streams and wetlands south of permanent permafrost and towards the southern extent of Wisconsin…
Temperature as an Ecological Resource
It is suggested that viewing temperature and other niche axes in the way ecologists have viewed food resources would be useful, and if animals successfully compete for their thermal niche, growth and perhaps other measures of fitness are maximized.
A long-term rusty crayfish (Orconectes rusticus) invasion: dispersal patterns and community change in a north temperate lake
It is found that fishes that share prey taxa with crayfish declined in numbers over time, but piscivorous fish species did not change in abundance, and mean abundance of Odonata, Amphipoda, and Trichoptera decreased significantly lake-wide.
Temporal coherence in the limnology of a suite of lakes in Wisconsin, U.S.A.
SUMMARY. 1. Temporal coherence between pairs of lakes over 7 years was measured for thirty-seven limnological variables in seven lakes at the North Temperate Lakes Long Term Ecological Research site…
Intercontinental Comparison of Small-Lake Fish Assemblages: The Balance between Local and Regional Processes
- W. Tonn, J. Magnuson, M. Rask, J. Toivonen
- Environmental ScienceThe American Naturalist
- 1 September 1990
Characteristics of fish assemblages from Finland and northern Wisconsin are compared on several scales to investigate community-level similarity in environmentally similar but faunistically different small lakes and suggest thatFish assemblage structures in northern forest lakes are influenced by common sets of environmental factors.
Patterns in the Species Composition and Richness of Fish Assemblages in Northern Wisconsin Lakes
Fish assemblage structure, and factors and mechanisms appearing important in the ecological maintence of these structures, were examined for 18 small lakes in northern Wisconsin during summer and…
Potential effects of global climate change on small north-temperate lakes: Physics, fish, and plankton
- B. Stasio, D. K. Hill, Julie M. Kleinhans, N. Nibbelink, J. Magnuson
- Environmental Science
- 1 July 1996
A lo-yr record of the thermal characteristics of four lakes at the North-Temperate Lakes Long-Term Ecological Research site was analyzed and used to validate simulations of lake physics with the…
Ecosystems and Their Goods and Services
Follow this and additional works at: http://lib.dr.iastate.edu/ge_at_pubs Part of the Climate Commons, Environmental Indicators and Impact Assessment Commons, and the Systems Biology Commons The…
An integrated conceptual framework for long‐term social–ecological research
The global reach of human activities affects all natural ecosystems, so that the environment is best viewed as a social–ecological system. Consequently, a more integrative approach to environmental…
ISOLATION VS. EXTINCTION IN THE ASSEMBLY OF FISHES IN SMALL NORTHERN LAKES
- J. Magnuson, W. Tonn, A. Banerjee, J. Toivonen, O. Sanchez, M. Rask
- Environmental Science
- 1 December 1998
The role of extinction and isolation in predicting richness and composition of fish assemblages in small forest lakes of Finland and Wisconsin is evaluated to find that the greater importance of extinction vs. isolation results, not because isolation is unimportant, but because the probability of an arrival of a new species is much less than that of an extinction.