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Diel vertical migration in the Lake Superior pelagic community. I. Changes in vertical migration of coregonids in response to varying predation risk
TLDR
The results indicate that deepwater predators and prey migrate extensively over a diel cycle, most consistent with changes in the distribution of prey re- sources for siscowet and diel variability in predation risk controlled by changing light levels for ciscoes.
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Fish community and food web responses to a whole-lake removal of coarse woody habitat
TLDR
After CWH removal, largemouth bass in the treatment basin consumed less fish, ate more terrestrial prey, and grew more slowly relative to the population in the reference basin, while the food webs in both basins were similar and dominated by aquatic prey.
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Diel vertical migration in the Lake Superior pelagic community. II. Modeling trade-offs at an intermediate trophic level
TLDR
The costs and benefits of different hypothetical and observed DVM trajectories for a three-level pelagic food chain in Lake Superior containing opossum shrimp, deepwater ciscoes, and lake trout are evaluated.
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Recent declines in mercury concentration in a freshwater fishery: isolating the effects of de-acidification and decreased atmospheric mercury deposition in Little Rock Lake.
  • T. Hrabik, C. Watras
  • Environmental Science
    The Science of the total environment
  • 7 October 2002
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Predicting mercury levels in yellow perch: use of water chemistry, trophic ecology, and spatial traits
TLDR
This study highlights the importance of knowing the phytochemical properties of mercury, as a source of infectious disease, to determine the bioavailability of mercury to fish.
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Trophic connections in Lake Superior Part I: The offshore fish community
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Cyclic dynamics of a yellow perch (Perca flavescens) population in an oligotrophic lake: evidence for the role of intraspecific interactions
TLDR
Cyclic dynamics in a population of yellow perch in oligotrophic Crystal Lake shows that young-of-the-year (YOY) perch were abundant primarily in years when reproductively mature fish were in the lake, suggesting that the repeated oscillations are driven predominant by external factors.
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Predicting the effects of rainbow smelt on native fishes in small lakes: evidence from long-term research on two lakes
TLDR
The results indicate predation is the most likely cause for the extirpation of cisco from Sparkling Lake in 1990 and useful predictions about the effect of smelt invasions on native fishes are made.
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Stocking piscivores to improve fishing and water clarity: a synthesis of the Lake Mendota biomanipulation project
TLDR
The Lake Mendota biomanipulation project has been a success given that high densities of the large-bodied D. pulicaria have continued to dominate for over a decade, and the algal densities in the lake have been reduced.
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Forecasting the Spread of Invasive Rainbow Smelt in the Laurentian Great Lakes Region of North America
TLDR
A classification-tree model is constructed based on habitat data from 354 lakes in the native range for smelt in southern Maine to identify lakes vulnerable to invasion in three regions outside the smelt's native range and identifies a subset of lakes with a strong potential for impact based on the presence of fish species that are affected by rainbow smelt.
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