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An Ecological Study of Crall Woods
Map of western Lake Erie showing locations
16 other sections not shown
1959 Sodium Surface abundant at Station appeared Appendix Table autumn average number Beeton benthic bicuspidatus blue-greens bottom fauna Branchiura Britt Ceratium Ceratium hirundinella Chandler and Weeks Chironomidae Chironomidae larvae Chironomus Chydorus CM CM CM collected per square Conductivity Surface Bottom copepod counted cyclopoid Cyclops Davis Diaptomus diatoms dissolved oxygen ft ft ft genera genus green algae Hexagenia increase indicate island area Jaly July and August Lake Ontario large numbers larvae late August maximum midges nauplii nematodes number of Chironomidae number per square o o o o occurred Ohio oligochaetes oo oo oo organisms phytoplankton plankton pollution population reported rH rH rotifer September siciloides small numbers Sodium Surface Bottom species specimens square meter temperature thermocline thousand units/1 three summers throughout the summer tion total number Tubificidae turbidity Valvata Verduin vernalis western basin western Lake Erie Wright zooplankton