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LOCAL VEGETATION IN PAKISTAN

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by

Hamda Riaz

on 21 May 2015

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Transcript of LOCAL VEGETATION IN PAKISTAN

Vegetation is assemblages of plant species and the ground cover they provide. It is a general term, without specific reference to particular taxa, life forms, structure, spatial extent, or any other specific botanical or geographic characteristics.
DRY TROPICAL FOREST VEGETATION
Greater part of pakistan has tropical conditions. There vegetation cheify consist of xerophytes.
Biotic communities are developed on large tract of land. This land is used for Agriculture.
TYPES OF VEGETATION
DEFINITION
MOIST TEMPERATE FOREST
These are found along the himiliyan mountains. They are located in kashmir, Murree Hazara Hill Tract.Swat, Dir, Gilgit, and Bultistan DIstricts.
These mountain receive heavy monsoon rain fall during July to December.
Anual rainfall is 30-60 inches.
SUB ALPINE VEGETATION AND ALPINE VEGETATION
MOIST TEMPERATE FOREST
LOCAL VEGETATION IN PAKISTAN
Dry tropical forest vegetation.
Dry sub-tropical sub-mountanious vegetation.
Dry temperatee forest vegetation.
Moist temperature forest vegetation.
Sub Alpine and Alpine vegetation.
TYPES OF DRY TROPICAL FOREST
Dry tropical Thorn Forest Vegetation.
Vegetation of Riverian Tract.
Vegetation Of Sandy Tracts.
Vegetation of Irrigated Plantation.
DRY TROPICAL THRON FOREST VEGETATION
They are distributed in indus basin plains of punjab, sindh and costal region of pakistan. The hills are scattered throughout the indus plain.
VEGETATION OF RIVERIAN TRACT
The area present around the river is called riverian tract.
The tract where rive enters into sea is called delta. The delta has forests of mangroves.
VEGETATION OF SANDY TRACTS
Sandy tract includes thal, cholistan nd coastal tracts of makran and sind.
The average rain fall in these regions is 6-12 inches.
VEGETATION OF IRRIGATED PLATATION
Canal system is developed in the indus basin region of pakistan. This area was included in tropical rain forests. this forest has been cleared and land is used for agriculture.
DRY SUB-TROPICAL SUB-MOUNTAINOUS VEGETATION
This vegetation includes trees and shrubs. The trees may show dense growth.
The trees and shrubs are thorny. The average rain fall inis region is 10-36 inches. Humidity is low.
VEGETATION OF SIWALIK HILLS
Siwalik hills includes potohar plateau, salt range and hills of the NWFP.
VEGETATION OF BALOCHISTAN PLATEAU:
This area is distributed in dry hills, sand dunes and coastal low hills of balochistan.
They have xerophytic plants.

DRY TEMPRATE FOREST
They have unfavorable climate. Thus they have less number of plants.
Most of this area has bare soil. Here plants are mostly xerophytic. This region in cludes Suleiman range, Koh Safad range, Koh hindu kush range, Karakoram range and lower part of the neelam valley (Azad Kashmir).
This region has long cold winter. temperature becomes lower than zero.
THe annual total rain fall is less than 30 inches.
prosopis juliflora
kikar
Tamrix indica
Sacharum munja
Acacia
Euphorbia
juniperous
Stipa
Pinus
INTRODUCTION
Dalbergia sisso
Acacia modesta
Mentha
Tamarix
CONIFEROUS FOREST
Most of the precipitation takes place in the form of snow.
Snowfall is reaches upto 15 feet.
The melting of snow provide adeqate moisture.
Average humidity is 57%. Temperature ranges between -25 to 30 C
Pinus ruxburghii
Abies pindrow
Apple
Appricot
Almond
PARK LANDS
In coniferious forest heavy grazing and trembling takes place.
Therefore most of the moist forest have been destroyed.
These forest are replaced by small grasses, some lugumes and some members of liliaceae.
These flats grassy grounds are called
PARKLANDS
Khaghan valley
Uper Swaat
DEFINITION
The vegetation zone above the moist temperate coniferous forest is called sub-alpine and alpine region.
FOUND IN :-
Khaghan
Swaat
Baltistan
Gilkgit Agency
ADAPTATIONS
The growing seasons are short in these zones.
They had deep snow and cold wind.
These zones are aways from monsoon regions. so, they have xerophytic habitat.
Average rainfall is low.
4- 26 inches.
Maximum temperature is 50 F
Betula utilis
It is characteristic dominant specie of sub-alpine region.
It attain height of 20 feet.
OTHER GENERAS
Arenaria
Salix
Polygonum
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