Yazar
jeffrey w frey
2 cilt bulundu.
Cilt sonuçları
Occurrence, distribution, and loads of selected pesticides in streams in the Lake Erie-Lake St. Clair Basin, 1996-98
Jeffrey W. Frey · U.S. Dept. of the Interior, U.S. Geological Survey
69 sayfa · 2001
Environmental aspects of Pesticides / Pesticides / Pollution / Rivers / Water
Assessment of nutrient enrichment by use of algal-, invertebrate-, and fish-community attributes in wadeable streams in ecoregions surrounding the Great Lakes
Jeffrey W. Frey · U.S. Dept. of the Interior, U.S. Geological Survey
49 sayfa · 2011
Nutrient pollution of water / Invertebrate communities / Algal communities / Ecology / Fish communities