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Changes from the 1970s to 2000s in phosphorus and chlorophyll levels, water transparency, zooplankton, and benthic communities in the upper, International Section of the St. Lawrence River were… (More)
The concept of thresholds is applied broadly in ecology to both processes and states that exhibit step-like behavior. Thresholds are observed in parameters, equilibrium states, and in states over… (More)
The exotic amphipod Echinogammarus ischnus, first reported in North America from western Lake Erie in 1995, was recorded in Oneida Lake, NY in 2001. Some North American studies have suggested that E.… (More)
The Great Lakes and Lake Ontario ecosystems have been subject to accelerated ecological change since the 1950s. These ecosystems experienced (in the 1950s and 1960s) numerous stresses including… (More)