Freshwater Algae: Identification, Enumeration and Use as Bioindicators
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Ripple Effects: How We're Loving Our Lakes to Death
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Environmental Hydraulics: Hydrodynamic and Pollutant Transport Models of Lakes and Coastal Waters (Volume 56) (Developments in Water Science, Volume 56)
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A Lakeside Companion
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Applied hydrogeology
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Principles of Environmental Science
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Off Grid Farming Essentials: A Comprehensive Handbook for Nut and Fruit Trees, Greenhouse and Garden Types, Beekeeping, and Fish Farming -- ... Optimal Homesteading! (Off Grid Essentials)
R 1,306
Freshwater Macroinvertebrates of Northeastern North America
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Algal Culturing Techniques
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Managing Lakes and Reservoirs
R 2,732