Limnological Studies of the Island Area of Western Lake ErieWith his mother about to give birth and his father unconscious from a fall, it's up to eleven-year-old Perry to take charge. |
Contents
The Primeval Forests of a Periglacial Area | 1 |
Map of western Lake Erie showing locations | 4 |
Biological Methods | 5 |
21 other sections not shown
Common terms and phrases
20 JUNE 31 SEPT 600 STATION APPENDIX TABLE average number Beeton benthic bidity pera bottom fauna Branchiura Britt caddis flies Ceratium Chandler and Weeks Chironomidae Chironomus Chironomus Chironomus Chironomus Crypto Cladocera CO3 HCO3 Total Coelotanypus copepod Cover rent Disc Cricotopus crustacea dissolved oxygen genera genus HCO3 Total D.O. Helobdella Hexagenia island area JULY 10 AUG July 13 July 26 JULY 7 JULY July July Aug June 13 JUNE 13 JUNE JUNE 23 JULY JUNE 27 June July July large numbers larvae leeches Light silica Manayunkia speciosa mayflies midges nematodes number per square nymphs occurred Oecetis Ohio oligochaetes organisms Pentaneura pH CO2 CO3 phytoplankton Placobdella plankton plumosus Linnaeus pollution population present Procladius pulse pupae reported samples Secchi Cover rent siciloides small numbers snails Sodium Surface species specimens square meter summer total number Tubificidae Valvata western basin western Lake Erie Wind Cloud Cur Wright zooplankton
References to this book
The Mayflies of North and Central America George F. Edmunds Jr.,Steven L. Jensen,Lewis Berner Limited preview - 1976 |