The influence of Eucalyptus plantations on the structure and composition of macroinvertebrate communities associated with the aquatic fern Salvinia auriculata Aublet were investigated in a high altitude lake bordered by either secondary Atlantic forest or Eucalyptus plantations. Comparisons of the diversity of Chironomidae (Diptera, Insecta) larvae in the littoral zone between these two vegetat...

Melissa Jonson-Reid, Ph.D., Ned Presnall, M.S.W., Brett Drake, Ph.D., Louis Fox, Ph.D., Laura Bierut, M.D., Wendy Reich, Ph.D., Phyllis Kane, M.S.W., Richard D. Todd, Ph.D., M.D., and John N. Constantino, M.D. Dr. Jonson-Reid, Mr. Presnall, and Dr. Drake are with the George Warren Brown School of Social Work, Washington University, St. Louis Missouri; Dr. Fox, Dr. Bierut, Dr. Reich, and Mrs. Ka...

The Study of Earth Movements in California: DR. ARTHUR L. DAY... 323 The Second General Assembly of the International Geophysical Union: PROFESSOR HARRY FIELDING REID .... 328 In Memoriam-Sir Thomas Clifford Allbutt: LT. COLONEL F. H. GARRISON .330 Scientific Events: John Fillmore Hayford; The Eastern New York Section of the American Chemical Society; The National Institute for Research in Coll...

Remediation of the City of Zagreb Jakusevec Dump Site, one of the largest dump sites in Europe, is in progress. Experimental laboratory results of leach­ ate treatment using aquatic macrophytes show that increasing the concentra­ tion of ammonia in the leachate decreases elimination efficiency. In all series of experiments, significantly greater elimination of ammonia and orthophos­ phates has ...

Herbicides that are labeled for aquatic use often the foundation of vegetation management programs in United States because many these products, which registered by U.S. Environmental Protection Agency, effective, selective, and relatively inexpensive. Resource managers interested reducing synthetic herbicides considering alternative methods weed control. We evaluated effects acetic acid d-limo...