With reference to the 'Tropical Semi-Evergreen Forests' which one of the following statements is correct?
1
The annual rainfall required is more than 250 cm per annum.
2
Lumbering is not possible in these types of forests due to the absence of pure strands.
3
The important species of these forests are maghony, teak, casuarina.
4
It is a transition forest between Tropical Wet Evergreen Forests and Tropical Deciduous Forests.