Effects of Pesticides on Sports and Commercial Fisheries, Hearings Before the Subcommittee on Energy, Natural Resources, and the Environment...Serial No. 91-15 |
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... species , and concentrations of DDT ranging up to 19 parts per million have been found in these fish . The experience we have had with the Coho salmon illustrates dra- matically how certain ecological systems are rapidly building up ...
... species , and concentrations of DDT ranging up to 19 parts per million have been found in these fish . The experience we have had with the Coho salmon illustrates dra- matically how certain ecological systems are rapidly building up ...
Página 6
... species . ( There has been some limited success in developing pesticides with narrow , specific effects . ) Thus the victims are likely to include the very natural enemies which have been holding the target pest in check . There are ...
... species . ( There has been some limited success in developing pesticides with narrow , specific effects . ) Thus the victims are likely to include the very natural enemies which have been holding the target pest in check . There are ...
Página 13
... species can be sterilized in vast numbers and then released . They mate with females , but produce no offspring . Because of the rapid repro- duction rates of most insects , the population may soon be lowered dramatically . The ...
... species can be sterilized in vast numbers and then released . They mate with females , but produce no offspring . Because of the rapid repro- duction rates of most insects , the population may soon be lowered dramatically . The ...
Página 18
... species , despite the claim in " Silent Spring " that the robin seemed " on the verge of extinction . " In 1963 , the great bird expert Roger Tory Peterson said , " What is North Amer- ica's No. 1 bird ? Is it the house sparrow ...
... species , despite the claim in " Silent Spring " that the robin seemed " on the verge of extinction . " In 1963 , the great bird expert Roger Tory Peterson said , " What is North Amer- ica's No. 1 bird ? Is it the house sparrow ...
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... species as the bald eagle , osprey and peregrine falcon , have shown steep declines during the last 15 years . With some species , these declines appear worldwide in scope . The peregrine , for example , has be- come extinct as a ...
... species as the bald eagle , osprey and peregrine falcon , have shown steep declines during the last 15 years . With some species , these declines appear worldwide in scope . The peregrine , for example , has be- come extinct as a ...
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Términos y frases comunes
action agencies aldrin analyzed animals application biological birds cancellation chemicals chlordane chlorinated hydrocarbons cides coho salmon Commercial Fisheries Committee compounds concern contain crops DDT and dieldrin DDT levels DDT residues Department of Agriculture develop dieldrin Drug Administration Dutch elm disease effects of pesticides eggs endrin enforcement environment environmental established exposure Federal FIFRA fish and wildlife Food and Drug food chain hazards heptachlor human health increased industry insects kill label Laboratory Lake Michigan Lake Superior lake trout levels of DDT lindane liver ment MESERVE methoxychlor mice Michigan Department Michigan State University million monitoring program National Natural Resources organisms organochlorine parathion percent persistent pesticides pest control pesti pesticide residues plants pollution population pounds problem recommended registration reproduction result River samples Senator HART species spraying tion tissues Toxaphene toxic tributaries tumors U.S. Department Wisconsin
Pasajes populares
Página 56 - That there shall be at the seat of Government a Department of Labor, the general design and duties of which shall be to acquire and diffuse among the people of the United States useful information on subjects connected with labor, in the most general and comprehensive sense of that word, and especially upon its relation to capital, the hours of labor, the earnings of laboring men and women, and the means of promoting their material, social, intellectual, and moral prosperity.
Página 102 - ... is administered by the Food and Drug Administration of the Department of Health, Education, and Welfare.
Página 500 - ... alleged pollution, impairment or destruction of the air, water or other natural resources or the public trust therein, shall be determined, and no conduct shall be authorized or approved which does, or is likely to have such effect so long as there is a feasible and prudent alternative consistent with the reasonable requirements of the public health, safety and welfare.
Página 10 - American merchant marine, to be composed of five members of the Senate and five members of the House of Representatives.
Página 5 - ... (13) There is no telling what the future may hold. For instance, recent research indicates the possibility that the insecticide lindane, much of which is used in vaporizers, is far more toxic when exposure is linked with malnutrition, and perhaps should be used with particular care — or not at all — in countries where the diet is low in protein. (33) Other studies indicate similar links for other pesticides. Clifton R. Wharton, Jr., vice president of the Agricultural Development Council,...
Página 492 - Today, the citizen can only protect himself if he has been uniquely harmed, not if everybody is being harmed. The West Michigan Environmental Action Council paid a leading law professor, an expert in conservation law, to research a bill for Michigan to this effect. We would like to give it to you for your attention and we ask that it be included for the record if possible. Senator HART. I would like to have it, and it will be printed in the record at the end of your statement. 3. The sale of DDT...
Página 58 - An act for preventing the manufacture, sale, or transportation of adulterated or misbranded, or poisonous, or deleterious foods, drugs, medicines, and liquors, and for regulating traffic therein, and for other purposes...
Página 455 - Now that we have it, what are we going to do with it? Are we going to use It wisely to control a certain number of pests for which it is particularly suited, or are we going to use it indiscriminately and possibly damage the life of our planet quite seriously? DDT Is amazingly good — but it is also dangerous.
Página 82 - ... and the reasons therefor. Whenever an application for registration is refused, the applicant, within thirty days after service of notice of such refusal, may file a petition requesting that the matter be referred to an advisory committee or file objections and request a public hearing in accordance with this section.
Página 67 - ... possible impact, both economic and biological, of substituting less persistent pesticides for the more persistent ones, and to establish criteria by which current recommendations may be evaluated with a view to appropriate modification and discontinuation as necessary. We are cooperating closely with the Health, Education, and Welfare Commission on Pesticides and Their Relationship to Environmental Health. Secretary Hardin and Secretary Finch discussed this Commission prior to its establishment,...