Evergreen forest Flashcards
Where are evergreen forests found ?
In regions of high rainfall and hot temperature
Climatic requirements for tropical evergreen forest.
They require about more than 70 percentage of relative humidity the temperature ranges between 24°C to 27°C the rainfall required is of a more than 200 cm per annum
What are the characteristics features of the evergreen forest?
Evergreen forest are found in hot and wet conditions
The evergreen forest are green throughout the year because there is no fixed season for the trees shed their leaves different trees shed leaves at different times of the era allowing the vegetation to look green entire year
The trees are tall with broad leaves and hard wood.
They display layered vegetation as trees having large crowns of different heights compete for sunlight along with climbers and epiphyte
Name the layered vegetation . Why is it called so.
Evergreen forest have layered vegetation ther calls so because she’s having varying heights and large crowns compete with each other t get sunlight along with climbers and epiphytes
Name the layered vegetation . Why is it called so.
Evergreen forest have layered vegetation ther calls so because trees having varying heights and large crowns compete with each other t get sunlight along with climbers and epiphytes
The commercial exploitation of evergreen forest are not easy? Give reasons
They are characterised by dense growth . And the trees occur in mixed stands .
Lack of transportation facilities
The forest is dense and the floor is dark and wet which makes hauling of logs difficult
Tangles mass of canes ,ferns and climbers also impede transportation of log.
Why do evergreen forest have dark floor?
The evergreen forest have dark floor because their leaves are broad and thick and the thick growth does not allow sunlight to penetrate through the canopy.
Name the forest having tall trees , broad leaves and hard wood
Tropical evergreen forest
Any 5 noble trees of tropical evergreen forest
Mahogany, rosewood , gurjan , chaplas ,canes, bamboo,ironwood,rubber, shisham, toon , ebony
Uses of evergreen trees
Used in making of expensive furniture as rosewood , shisham, mahogany are durable and valuable sources of hard wood (fine grained).
Distribution of tropical evergreen forest
Andaman and nicobar islands
Western slopes of the western ghats
North eastern hill states of meghalaya, nagaland, manipur, mizoram , tripura and parts of assam valley
What are the most important forest economically and which is the main tree which is in demand. What else is it called?
So answer is the most important forest is deciduous forest timber is in demand and its name is that it is deciduous/monsoon forests
Climatic requirements of deciduous forest
Temperature ranging between 25 to 27 degrees celsius
Seasonal rainfall between 100 to 200 cm per annum
Humidity ranging between 50 to 80 percent
What happen to deciduous forest in dry season?
In dry season, deciduous forest shed their leaves for about 6 to 8 weeks when they need to conserve water
Characteristics of deciduous forest
Deciduous forest tend to shed their leaves for 6 to 8 weeks in dry seasons to conserve water
They have hard wood and broad leaves
The trees here tend to occur in pure stands which make the exploitation easy
Economically these are the most important forest .
Timber is obtained from them which is very much in demand
Name some important deciduous trees .
Mahua, myrobalan , semal ,palash,teak,sal,sandalwood, mango,neem,jamun, jackfruit,arjun
