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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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Zooplankton population dynamics and ecology in Kahle Lake
Effects of a hydrogen sulfide effluent on the macroinvertebrate life in a single riffle of the North Fork
Limnological study of Woodcock Reservoir with special reference to the primary productivity
Determination of the algal growth-limiting nutrients in stripmine ponds
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
Comparisons of condition factors of Lepomis gibbosus linnaeus from Piney and East Branch Reservoirs of the Clarion River
Macroinvertebrate diversity and water depth of a pond fed by a constant temperature effluent
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
Population dynamics of zooplankton in the Piney Reservoir
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