Yazar
Christopher John Perrin
2 cilt bulundu.
Cilt sonuçları
Growth rate and biomass responses of periphytic algae to nutrient enrichment of stable and unstable substrata, Athabasca River
Christopher John Perrin · The Study
35 sayfa · 1995
Water / Phosphorous content / Growth / Algae / Nitrogen content
Effects of treated sewage effluent on periphyton and zoobenthos in the Cowichan River, British Columbia
Christopher John Perrin · Dept. of Fisheries and Oceans, Fisheries Branch, Habitat Management Division
64 sayfa · 1988
Effect of water pollution on / Environmental aspects / Environmental aspects of Sewage / Freshwater invertebrates / Periphyton