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Subject: Limnology
Subject
Benthic macroinvertebrates
4
Algae
2
Aquatic biology
2
East Branch Lake (Pa.)
2
Freshwater ecology
2
Acid deposition
1
Algae -- Growth -- Measurement
1
Ankistrodesmus falcatus
1
Aquatic ecology -- Pennsylvania -- Kahle Lake
1
Aquatic insects
1
Aquatic plants
1
Aquatic weeds -- Control
1
Brook trout
1
Fish populations
1
Fishes -- Growth
1
Freshwater biology
1
Freshwater ecology -- Pennsylvania -- Bigger Run
1
Freshwater ecology -- Pennsylvania -- Longs Run
1
Kahle Lake (Pa.)
1
Mine drainage
1
Photosynthesis
1
Phytoplankton
1
Piney Reservoir (Clarion, Pa.)
1
Plankton -- Research
1
Primary productivity (Biology)
1
Stream ecology
1
Stream ecology -- Pennsylvania
1
Sunfishes
1
Typha
1
Water -- Pollution
1
White sucker
1
Zooplankton -- Pennsylvania -- Kahle Lake
1
Zooplankton -- Pennsylvania -- Piney Reservoir (Clarion)
1
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Macroinvertebrate recolonization of mine acid substrate in a single riffle of Cherry Run, Armstrong Co., Pennsylvania
Comparison of the aquatic macroinvertebrate communities among three feeder streams of the East Branch Clarion River Lake, Elk and McKean Counties, Pennsylvania
Influence of the Typha community on mine drainage
Primary productivity of the East Branch Clarion River Lake during the period of thermal stratification
Limnological and ecological comparison of Bigger and Longs Run, Beaver and Washington Counties, Penna.
Effects of overwinter drawdown on the aquatic vegetation in Kahle Lake, Clarion-Venango Counties, Pennsylvania
Population dynamics of zooplankton in the Piney Reservoir
Effect of nitrate and phosphate enrichments on phytoplankton productivity in the East Branch Clarion River Lake as determined by the carbon-14 rapid bioassay technique
Macroinvertebrate diversity and water depth of a pond fed by a constant temperature effluent
Comparisons of condition factors of Lepomis gibbosus linnaeus from Piney and East Branch Reservoirs of the Clarion River
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