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GEOGRAPHY (NATYRAL VEGETATION (DEFFINATION OF NATURAL VEGETATION (it…

- - - - Economic importance of forests
      - Distribution of forests
        
        ALPINE
        
        DISTRIBUTION
        
        RIVERAIN OR BELA
        
        DISTRIBUTION
        
        MANGROVE
        
        DISTRIBUTION
        
        IRRIGATED
        
        DISTRIBUTION
        
        SUB-TROPICAL(SCRUB)
        
        DISTRIBUTION
        
        CONIFEROUS
        
        DISTRIBUTION
        
        TROPICAL THORN
        
        DISTRIBUTION
- - - - CONIFEROUS FORESTS
        
        IMPORTANCE
        
        SOURCE OF TIMBER FOR MAKING FURNITURE AND BOXES
      - ALPINE FORESTS
        
        IMPORTANCE
        
        USED AS FUEL WOOD ONLY
      - TROPICAL THORN FORESTS
        
        IMPORTANCE
        
        THEY ARE USED AS FIREWOODS
      - SUB TROPICAL SCRUB FORESTS
        
        IMPORTANCE
        
        GRAZING PURPOSES
      - RIVERAIN OR BELA FORESTS
        
        IMPORTANCE
        
        PROVIDE SHISHUM AND BABUL , TWO VALUABLE SPECIES ,WHICH ARE USED FOR MAKING FURNITURE AND AGRICULTURAL IMPLEMENTS
      - IRRIGATED FORESTS
        
        IMPORTANCE
        
        SOURCES OF TIMBER, FIREWOODS ..WHEN PLANTED IN LINEAR FORM THEY PROVIDE SHADE
      - MANGROVE FORESTS
        
        IMPORTANCE
        
        SUPPLY OF FIRE WOOD
    - - COAL
        
        USES
      - NATURAL GAS
        
        USES
      - COPPER
        
        USES
      - ROCK SALT
        
        USES
    - - a large area covered chiefly with trees and under-growth
    - - a solid , naturally occuring inorganic substance
- - - - DEFFINATION OF ENERGY CRISIS
        
        a energy crisis is any significant bottleneck in the supply of energy resources to an economy
      - WAYS TO ENCOUNTER ENERGY CRISIS IN PAKISTAN
        
        INDIVIDUAL EFFORT
        
        conserve the energy
        
        throw garbage
        
        solar potential capacity
        
        GOVERNMENT EFFORT
        
        ban on more energy
        
        produce power from different sources
        
        wind power
    - - DEFFINATION OF ELECTRICITY
        
        electricity is the presence and flow of electric charge
    - - COAL
        
        importance
      - PETROLEUM
        
        importance
      - HYDEL(DAMS)
        
        importance
      - NATURAL GAS
        
        importance
      - DEFFINATION OF ENERGY RESOURCES
        
        energy resources are the opportunities an area offers to generate electricity based on its natural conditions and circumstances
- - - - CANAL IRRIGATION
        
        KAREZ
        
        It is a horizental under ground canal which brings water to surface
        
        INNUDATION CANAL
        
        tnnudation canal receive water when the river is high enough and especially when river in flood
        
        PERENIAL CANAL
        
        they are connected to dams and barrages to provide water through out the year
      - LIFT IRRIGATION
        
        persian wheel
        
        it is used to lift water from water sources typically openwalls
        
        tubewells
        
        tubewells are planted to provide water from undergrounds wells
      - DAMS AND BARRAGES
        
        DAMS
        
        Abarrier constructed to hold back water and rise its level
        
        warsak
        
        tarbela
        
        mangla
        
        BARRAGES
        
        An artificial barrier across a river or estuary to prevent flooding
        
        sukkur
        
        sulaimanki
        
        guddu
    - - crops can be yield
      - making soil
      - alot of water for crop production
    - - CAUSES
      - water logging refers to the saturation of soil with water