A particular feature of the monsoon climate is its uncertainty. Cold comes early in some years, late in others. Some years are marked by heavy rains and big floods, and others by prolonged periods of drought . The humid maritime climate facilitates the generation of fungi and insects while accelerating the corrosion of machinery and equipment. Steep slopes and existence of many rivers and streams creates difficulties for the building of the communication network.
Land erosion is a danger to be checked in the first place.
The diversity of flora and fauna and their existence is in scattered state and small quantity make it difficult to organize breeding .