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| 1 | Environmental Implications of Excessive Selenium: A Review显示文摘Selenium is a naturally occurring trace element that is nutritionally required in smallamounts but it can become toxic at concentrations only twice those required. The narrow mar-gin between beneficial and harmful levels has important implications for human activities thatincrease the amount of selenium in the environment. Two of these activities, disposal of fbssilfuel wastes and agricultural irrigation of arid, seleniferous soils, have poisoned fish andwildlife, and threatened public health at several locations in the United States. Research stud-ies of these episodes have generated a data base that clearly illustrates the environmental hazardof excessive selenium. It is strongly bioaccumulated by aquatic organisms and even slight in-creases in waterborne concentrations can quickly result in toxic effects such as deformed em-bryos and reproductive failure in wildlife. The selenium data base has been very beneficial indeveloping hazard assessment procedures and establishing environmentally sound water qualitycriteria. The two faces of selenium, required nutrient and Potent toxin, make it a particularlyimportant trace element in the health of both animals and man. Because of this paradox, envi-ronmental selenium in relation to agriculture, fisheries, and wildlife wiIl continue to raise im-POrtant land and water management issues for decades to come. If these issues are dealt withusing prudence and the available environmental selenium data base, adverse irnpacts to naturalresources andspublic health can be | A. DENNIS LEMLY(United States Forest Service, Southern Research Station, Coldwater Fisheries Research Unit, Department of Fisheries and Wildlife Sciences, Virginia Tech University, Blacksburg, VA 24061-0321, USA) | 1997 | Biomedical and Environmental Sciences1997，10，4： | 10 |
| 2 | Podocytopenia and disease Severity in IgA nephropathy显示文摘 | Lafayette RA Ssfai M | 2002 | Kidney Int2002，61，： | 1 |
| 3 | A position paper on selenium in ecotoxicology:a procedure for deriving site-specific water quality criteria显示文摘 | Lemly AD | 1998 | Ecotoxicol Environ Saf1998，39，： | 1 |
| 4 | Aquatic Selenium Pollution is a Global Environmental Safety Issue显示文摘 | Lemly AD | 2004 | Ecotoxicology and Environmental S4[ety2004，59，1： | 1 |
| 5 | Synthesis of C-9-^14 C-1, 8-dihydroxy-3-car-boxyanthraquinone显示文摘 | J Lemli | 1987 | Labelled Compounds and Radiopharmaceuticals1987，25，1： | 1 |
| 6 | Irrigated agriculture and wildlife conservation:conflict on a global scale显示文摘 | Lemly A D Kingsford R T Thompson J R | 2000 | Environment Management2000，25，： | 1 |
| 7 | Water-sediment controversy in setting environtal standards for selenum显示文摘 | Hamilton SJ Lemly AD | 1999 | Ecotoxicol Environ Saf1999，44，： | 1 |
| 8 | The metabolism of sennosides A and B by the intestinal microflora: in vitro and in vivo studies on the rat and the mouse 显示文摘 | Dreessen M Eyssen H Lemli J | 1981 | J Pharm Pharmaeol1981，33，10： | 1 |
| 9 | Senna-an old drug in modern research显示文摘 | Lemli J | 1988 | Phar- macology1988，36，1： | 1 |
| 10 | Naphthalene Glycosides in Cassia senna and Cassia angustigolia显示文摘 | Lemli S Toppet J Cuveele | 1988 | J pharmacology1988，36，1： | 1 |
| 11 | Aquatic selenium pollution is a globalenvironmental safety issue显示文摘 | Lemly A D | 2004 | Ecotoxicology andEnvironmental Safety2004，59，1： | 1 |
| 12 | Guidelines for evaluating selenium data from aquatic monitoring and assessment studies 显示文摘 | Lemly A D | 1993 | Environmental Monitoring and Assessment1993，28，1： | 1 |
| 13 | Host-guest interaction between water-soluble calixarene hexasulfonate and p-nitrophenol显示文摘 | Sandor Kunsagi-Mate Kornelia Szabo Beata Lemli | 2005 | Thermochimica Acta2005，425，： | 1 |
| 14 | The metabolism of sennosides A and B by the intestinal microflora: in vitro and vivo studies on the rat and the mouse显示文摘 | Eyssen DH Lemli J | 1981 | J Pharm Pharmacol1981，33，10： | 1 |
| 15 | Bacterial growth on stream insect: potential for use in bioassessment显示文摘 | Lemly A D | 1998 | Journal of the North American Benthological Society1998，17，2： | 1 |
| 16 | Irrigated agriculture and wildlife conservation : conflict on a global scale 显示文摘 | LEMLY A D KINGSFORD R T THOMPSON J R | 2000 | Environment Management2000，25，5： | 1 |
| 17 | Irrigated Agriculture and Wildlife Conservation: Conflict on a Global Scale显示文摘 | A. Dennis Lemly Richard T. Kingsford Julian R. Thompson | 2000 | Environmental Management2000，，5： | 1 |
| 18 | Aquatic selenium pollution is a global envi ronmental safety issue 显示文摘 | Lemly A D | 2004 | Ecotoxicology and Environmental Safety2004，59，： | 1 |
| 19 | Aquatic selenium pollution is a global environmental safety issue显示文摘 | LEMLY A D | 2004 | Eeotoxieology and Environmental Safety2004，59，1： | 1 |
| 20 | Mining in northern Canada: Expanding the industry while protecting arctic fishes--A review 显示文摘 | Lemly A D | 1994 | Ecotoxicology and Environmental Safety1994，29，2： | 1 |
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