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The effects on mammals of DDT used in forest insect control in the Northern Rocky Mountains

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Published by Northern Rocky Mountain Forest and Range Experiment Station in Missoula, Mont .
Written in English

Subjects:

  • DDT (Insecticide),
  • Mammals,
  • Physiological effect

Book details:

Edition Notes

Statementby Lowell Adams
SeriesResearch note / Northern Rocky Mountain Forest and Range Experiment Station -- no. 56, Research note (Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)) -- no. 56.
ContributionsNorthern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)
The Physical Object
Pagination3 unnumbered leaves ;
ID Numbers
Open LibraryOL26198835M
OCLC/WorldCa262358762

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  Gray wolf (Canis lupus) populations were deliberately eliminated from the northern Rocky Mountains (NRM) of the United States by Naturally dispersing wolves from Canada first denned in Montana in In and wolves from western Canada were reintroduced to central Idaho and Yellowstone National Park to accelerate recovery. The ecology of the Rocky Mountains is diverse due to the effects of a variety of environmental factors. The Rocky Mountains are the major mountain range in western North America, running from the far north of British Columbia in Canada to New Mexico in the southwestern United States, climbing from the Great Plains at or below 1, feet ( m) to peaks of o . Mosquitoes are one of the most dangerous insects in the world for humanity. Over one million people worldwide die from mosquito-borne diseases every year. Mosquito vectored diseases include protozoan diseases, i.e., malaria, filarial diseases such as dog heartworm, and viral diseases such as dengue, encephalitis, and yellow fever. In addition, mosquitoes transmit Cited by: 1. Range Extent. Score G - ,,, km squared (ab,, square miles). Comment , square Kilometers from Natural Heritage Program range maps. Short-term Trend. Score F - Increasing. Increase of >10% in population, range, area occupied, and/or number or condition of occurrences. Comment Popoulations are generally stable to increasing .

BLM PHYSIOGRAPHIC REGIONS: 1 Northern Pacific Border 2 Cascade Mountains 3 Southern Pacific Border 4 Sierra Mountains 5 Columbia Plateau 6 Upper Basin and Range 7 Lower Basin and Range 8 Northern Rocky Mountains 9 Middle Rocky Mountains 10 Wyoming Basin 11 Southern Rocky Mountains 12 Colorado Plateau KUCHLER PLANT ASSOCIATIONS: K . A Pesticide Application Techniques Used in New York State In New York, pesticides for gypsy moth control are applied by spraying selected forested areas, which through annual egg-mass count surveys (conducted during the fall or winter by personnel of the state Bureau of Forest Insect and Disease Control) are known to have high levels of. i. DDT affects the central nervous system of both insects & mammals by interrupting the normal transmission of nerve impulses ii. DDT affects birds' ability to reproduce by disrupting the formation of eggshells in the body of the female. Consequently, some species lay soft-shelled or shell-less eggs iii. Wildlife habitats and biological diversity in the Rocky Mountains and Northern Great Plains Article (PDF Available) in Natural Areas Journal January with 1, Reads.

The northern coniferous forest, or taiga, spans northern North America and Eurasia and is the largest terrestrial biome on Earth Precipitation varies; some forests have periodic droughts and others, especially near coasts, are wet. Lymantria dispar dispar, commonly known as the gypsy moth, European gypsy moth, or North American gypsy moth, is a moth in the family Erebidae that is of Eurasian origin. It has a range that extends over Europe, Africa, and North America. Carl Linnaeus first described the species Lymantria dispar in The subject of classification has changed throughout the years, Class: Insecta. This chapter discusses hormonal control in insects. The diversity of insect groups places limits on generalizations about hormonal control of development. The effects of hormones in one group may not be the same for other groups because of different patterns of . Our past record of the use of DDT was a clean, documented one. Carefully controlled applications of DDT had been used to control the spruce budworm in the 's and the hemlock looper in The U.S. Forest Service had used DDT to control a smaller tussock moth infestation in Oregon in