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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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Alternative liming strategies for eastern brook trout (Salvelinus fontinalis) recovery in acidified streams : crab shell chitin in the limelight
Comparative analysis of certain chemical and physical factors and their relation to the fish populations in three streams
Comparison of the aquatic macroinvertebrate communities among three feeder streams of the East Branch Clarion River Lake, Elk and McKean Counties, Pennsylvania
Comparisons of condition factors of Lepomis gibbosus linnaeus from Piney and East Branch Reservoirs of the Clarion River
Determination of the algal growth-limiting nutrients in stripmine ponds
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
Effects of a hydrogen sulfide effluent on the macroinvertebrate life in a single riffle of the North Fork
Effects of overwinter drawdown on the aquatic vegetation in Kahle Lake, Clarion-Venango Counties, Pennsylvania
Influence of the Typha community on mine drainage
Limnological and ecological comparison of Bigger and Longs Run, Beaver and Washington Counties, Penna.
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