NEW pest Managment

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Author:
becki86
ID:
55057
Filename:
NEW pest Managment
Updated:
2010-12-13 11:40:00
Tags:
Pest control Earth
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Description:
Pest Control/ earth
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  1. Integrated Pest Managment Chemical
    • Converrtial pesticides will remain in use,but they must be screend carefully to aviod harmful ones.
    • amounts & at a time when they are most effective to minimize their envio. impact
    • requires monitoring crops and infedtations.
  2. Advantages and Disadvantages of pesticided use
    • ADVANTAGES: 1. portect crops 2.save billions of $
    • DISADVANTAGES:1.cause illness/death 2.crop demage 3. water pollution in rural communitites 4. cleanup costly.
  3. Integratedo Pest Managment cutural control
    • Controlled by many techniques that dont require chem.
    • includes: weeds, noise makers to frigten birds and manual removal of insects from crops.
  4. Mechanism of Earth crustal plate movement
    • 1.modern theory: Alantic ocean is getting bigger bc tectonic movement.
    • 2.subcontinental:ocean layer
    • 3.continental drift: movement
    • 4. Sea floor: ocean crust movement
  5. Integrated pest managment environment
    • Pest control gaining pop.
    • reduce or eliminate pesticide use
    • 1.Enviromental control:Alter biotic/abiotic conditions in crops making them inhospitable to pest.
  6. Integrated Genetic control
    • 1.Sterile male technique: intro o sterile males of pest into the enviro. w/ certain chem.
    • Prevents union of fertilization
    • 2.plants are resistant to pest and diesase can b developed through genetic engineering and artificial selestion.
  7. Photochemical smog
    • Brownish orange shroud of air pollution
    • Complex mixture of photochemical oxidants and nitrogen oxides
  8. Secondary pollutants
    Chemical pollutnat from natural or anthro pogenic source that undergoes chemical change as a result of reacting w/ another pollutant, sunlight atomosphere moisture or other enviormental agents.
  9. Primary Pollutants
    • Air pollution from natural and anthropogenic sources
    • Primary pollutants often react w/one another or w/ water vapor.
  10. Anthropogenic pollution and biogenic
    • 1.Pullutants from human sources
    • create long-term threat bioshere.
    • ex: autos, power plants
    • 2.Biogenic: produce by living organisms or biological process
    • Ex: Volcanos, dust strom, forest fires
  11. Brown- air cites
    • located in warm, dry, and sunny climates and are generally new cities w/few polluting industries.
    • Source pollution comes from automobiles and electrice power
    • Major pollutantion> carbon monoxide, hydrocarbons,& nitro oxides.
    • EX: LA, Denver
  12. Hydrocarbons
    • Organic molecules containing hydrogen and carbon released during incomplete combustion of organic fuels.
    • React with nitrogen and sunlight.
  13. Gray-air cities
    • located in cold, moist climates
    • Major pollutants are surfur oxides and particulates from factories
    • pollutants combine with atmospheric moisture to from grayish haze called smog.
    • EX:NY,Wndon
  14. immediate effects
    Air pollutant cause shortness of breath to eye irritation to death to headaches
  15. Chronic effects
    • Persistent inflammation of bronchial tubes which carry air into lungs.
    • Includes coughing, mucus buildup,difficult breathing
    • EX: Emphysema> lung disease
  16. Tradable permits
    • Permit issued by gov't that allows companies to relase certain amount of pollution.
    • Companies reduce pollutions by selling permits to other companies.
  17. End-of-pipe
    • 1. remove harmful substance from emission gases.
    • 2. convert them into harmless substance.
    • Its a sustainable strategy and its acts like a 1st aid.
  18. Pollutants Arise
    • Air pollutants arise from vaporization or evaporation attrition (friction)& combustion with is the major producer.
    • Fossil fuels consist primarily of carbon&hydrogen atoms linked by chem. bonds.
    • heat released brakes other bonds permitting combustion.
    • incomplete combustion produce carbon dioxide, monxide and unburned, hydrocarb.

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