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Freshwater ecology

 Subject
Subject Source: Library of Congress Subject Headings

Found in 5 Collections and/or Records:

Biological, chemical and physical properties of Town Run, Clarion County, Pennsylvania ; a stream influenced by bituminous strip mine drainage

 Item — Multiple Containers
Identifier: 190 - 01 - 04 - LD1017 .C8133 1978 W6
Abstract Publisher: Clarion, Pa. : Clarion State College, 1978.

Description: 05 leaves : col. ill., map ; 29 cm.

Notes: Thesis (M.S.)--Clarion State College; Bibliography: leaves 102-105.
Dates: 1978

Comparisons of condition factors of Lepomis gibbosus linnaeus from Piney and East Branch Reservoirs of the Clarion River

 Collection — Multiple Containers
Identifier: 190 - 01 - 04 - LD1017 .C8133 1975 L3
Abstract Description: iii, 113 leaves : ill., maps ; 29 cm.

Notes: Thesis (M.S.)--Clarion State College, 1975; Bibliography: leaves 106-113
Dates: 1975

Macroinvertebrate recolonization of mine acid substrate in a single riffle of Cherry Run, Armstrong Co., Pennsylvania

 Item — Multiple Containers
Identifier: 190 - 01 - 04 - LD1017 .C8133 1974 V3
Abstract Description: iv, 45 leaves ; 28 cm.

Notes: Thesis (M.S.)--Clarion State College; Bibliography: leaves 41-45
Dates: 1974

Relationships between aquatic macrophytes and the chemical and physical composition of the substrate in Kahle Lake, Clarion-Venango Counties, Pennsylvania

 Item — Multiple Containers
Identifier: 190 - 01 - 04 - LD1017 .C8133 1986 M3
Abstract Description:  ii, 37, [24] leaves : ill., map ; 28 cm.

Notes:  Thesis (M.S.) -- Clarion University of Pennsylvania; Bibliography: leaves 34-37.
Dates: 1986

Study of the dilution effect of a small tributary on the macroinvertebrate community of an acid mine stream

 Item — Multiple Containers
Identifier: 190 - 01 - 04 - LD1017 .C8133 1979 E2
Abstract Publisher: Clarion, Pa. : Clarion State College, 1979.

Description: iii, 55 leaves : map ; 29 cm.

Notes: Thesis (M.S.)--Clarion State College; Bibliography: leaves 29-30.
Dates: 1979