منابع مشابه
Modeling nearshore-offshore exchange in Lake Superior
Lake Superior's ecosystem includes distinct nearshore and offshore food webs linked by hydrodynamic processes that transport water and tracers along and across shore. The scales over which these processes occur and their sensitivity to increasing summer surface temperatures are not well understood. This study investigated horizontal mixing between nearshore and offshore areas of Lake Superior o...
متن کاملHarvest and Relative Abundance of Siscowet Lake Trout in Michigan Waters of Lake Superior, 1929–1961
—Siscowet, a deepwater morphotype of lake trout Salvelinus namaycush and the top predator in Lake Superior, currently makes up most of the lake trout biomass in this lake. Anecdotal accounts indicate that siscowets made up some portion of the historical lake trout commercial fishery, but estimates of harvest and relative abundance are lacking. By using the location information provided by histo...
متن کاملAnthropogenic climate change has altered primary productivity in Lake Superior
Anthropogenic climate change has the potential to alter many facets of Earth's freshwater resources, especially lacustrine ecosystems. The effects of anthropogenic changes in Lake Superior, which is Earth's largest freshwater lake by area, are not well documented (spatially or temporally) and predicted future states in response to climate change vary. Here we show that Lake Superior experienced...
متن کاملSensitivity of summer Lake Superior thermal structure to meteorological forcing
We use a one-dimensional model, forced with realistic meteorological measurements, to determine to first order the sensitivity of summer surface water temperature, heat content, and vertical stratification scale to three forcing variables: air temperature, wind speed, and previous winter ice cover, all three of which have exhibited long-term trends over the last few decades. Summer-averaged sur...
متن کاملFactors Affecting Diporeia Growth Rates in Lake Superior
The freshwater amphipod Diporeia is a dominant macroinvertebrate speciesin Lake Superior’s benthic community and an important prey item for many fish. Acapacity to predict growth and production rates of Diporeia using a bioenergeticsmodel requires information on physiological processes of the species. The objectiveof this study is to quantify oxygen consumption of Lake Superior ...
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ژورنال
عنوان ژورنال: American Journal of Public Health
سال: 1927
ISSN: 0271-4353
DOI: 10.2105/ajph.17.6.601