Fate and effects of the insecticide Dursban® 4E in indoor Elodea-dominated and macrophyte-free freshwater model ecosystems: II. Secondary effects on community structure T. C. M. BrockM. van den BogaertR. M. M. Roijackers OriginalPaper Pages: 391 - 409
Effects of treated paper mill effluents on hepatic morphology in male bullhead (Cottus gobio L.) Franz BucherRudolf HoferWilli Salvenmoser OriginalPaper Pages: 410 - 419
Ultrastructural changes in Dunaliella minuta following acute and chronic exposure to copper and cadmium Ioanna VisvikiJoseph W. Rachlin OriginalPaper Pages: 420 - 425
Structural changes of proteins in fish red blood cells after copper and mercury treatment Krzysztof Gwozdzinski OriginalPaper Pages: 426 - 430
Heavy metal and selenium concentrations in black skimmers (Rynchops niger): Gender differences Joanna BurgerM. Gochfeld OriginalPaper Pages: 431 - 434
Heavy metal and selenium levels in young cattle egrets from nesting colonies in the northeastern United States, Puerto Rico, and Egypt Joanna BurgerKatharine ParsonsMichael Gochfeld OriginalPaper Pages: 435 - 439
The toxicity of selenium in experimental freshwater ponds Mark CraneTim FlowerSamantha Watson OriginalPaper Pages: 440 - 452
Lead and cadmium in birds in the Netherlands: A preliminary survey L. C. M. P. HontelezH. M. van den DungenA. J. Baars OriginalPaper Pages: 453 - 456
Subchronic toxicity and reproduction effects of tri-n-butyltin oxide in Japanese quail Theodora M. M. CoenenAbraham BrouwerJan H. Koeman OriginalPaper Pages: 457 - 463
Comparative phytotoxicity of the fumonisins, AAL-toxin and yeast sphingolipids in Lemna minor L. (duckweed) Ronald F. VesonderRobert E. PetersonHamed K. Abbas OriginalPaper Pages: 464 - 467
Hydrolysis of ochratoxin A by the microbial activity of digesta in the gastrointestinal tract of rats M. S. MadhyasthaR. R. MarquardtA. A. Frohlich OriginalPaper Pages: 468 - 472
Disposition, behavior, and toxicity of methylcyclopentadienyl manganese tricarbonyl in the mouse Junko KomuraMichiko Sakamoto OriginalPaper Pages: 473 - 475
Reliability of heavy metal pollution monitoring utilizing aquatic animals versus statistical evaluation methods Zoltán MastalaKatalin V.-BaloghJános Salánki OriginalPaper Pages: 476 - 483
Temporal scales in ecological risk assessment Joanna BurgerMichael Gochfeld OriginalPaper Pages: 484 - 488