Freshwater plants -- Australia -- Identification. : Aquatic plants of Australia : a guide to the identification of the aquatic ferns and flowering plants of Australia, both native and naturalized / Helen I. Aston ; illustrations chiefly by the author
1973
1
Freshwater plants -- Australia -- Victoria. : Aquatic plants of Australia : a guide to the identification of the aquatic ferns and flowering plants of Australia, both native and naturalized / Helen I. Aston ; illustrations chiefly by the author
1973
1
Freshwater plants -- Australia -- Victoria -- Identification. : Aquatic plants of Australia : a guide to the identification of the aquatic ferns and flowering plants of Australia, both native and naturalized / Helen I. Aston ; illustrations chiefly by the author
Freshwater productivity -- Africa. : Current status of fisheries and fish stocks of the four largest African reservoirs : Kainji, Kariba, Nasser/Nubia, and Volta / edited by R.C.M. Crul, F.C. Roest
--subdivisions Effect of water quality on; Embryos--Effect of water quality on; and Larvae--Effect of water quality on under individual animals and groups of animals, e.g. Fishes--Effect of water quality on; Fishes--Embryos--Effect of water quality on; Fishes--Larvae--Effect of water quality on
1
Freshwater radioecology. : Freshwater and estuarine radioecology : proceedings of an international seminar, Lisbon, Portugal, 21-25 March 1994 / editors, G. Desmet [and others] ; assistant editors, P.G. Appleby [and others]
Freshwater zooplankton -- Europe -- Identification : Freshwater crustacean zooplankton of Europe : Cladocera & Copepoda (Calanoida, Cyclopoida) key to species identification, with notes on ecology, distribution, methods and introduction to data analysis / Leszek A. Błędzki, Jan Igor Rybak