Aquatic pests -- Control -- Great Lakes (North America) : Zebra mussels and exotic species : hearing before the Subcommittee on Oceanography and Great Lakes, the Subcommittee on Fisheries and Wildlife Conservation and the Environment, and the Subcommittee on Coast Guard and Navigation of the Committee on Merchant Marine and Fisheries, House of Representatives, One Hundred First Congress, second session on H.R. 4214, a bill to help eliminate the growing threat of the zebra mussel and other exotic species to the Great Lakes region, June 14, 1990.
Aquatic plants -- Congresses. : Studies on aquatic vascular plants : proceedings of the International Colloquium on Aquatic Vascular Plants, Brussels, 23-25 January, 1981 / edited by J.J. Symoens, S.S. Hooper, and P. Compère.
Aquatic plants -- Germany -- Bavaria. : Macrophytic water plants as indicators of water condition of Upper Bavarian lakes with the example of limnological studies of the Oster lakes and the Eggstätt-Hemhofer lakes (Upper Bavarian)
Aquatic plants -- Great Britain. : Coloured figures of marine plants, found on the southern coast of England; ... to which is prefixed an inquiry into the mode of propagation peculiar to sea plants. By Thomas Velley, .. = Plantarum maritimarum in oris Angliæ australibus sponte crescentium, icones pictæ; ....
Aquatic plants -- Metabolism. : Proceedings of workshop on: sampling nutrients in aquatic ecosystems : collecting valid and representative samples, held on 21 and 22 April 1997, University of Canberra / [edited by K.N. Markwort, W.A. Maher].
Aquatic plants -- Nutrition. : Proceedings of workshop on: sampling nutrients in aquatic ecosystems : collecting valid and representative samples, held on 21 and 22 April 1997, University of Canberra / [edited by K.N. Markwort, W.A. Maher].