Answer in detail
2. Describe the location, climatic conditions, natural
vegetation and wildlife of the following: tropical
evergreen forests, tropical deciduous forests,
coniferous forests and desert.
3. What is the difference between national parks,
wildlife sanctuaries and biosphere reserves?
4. What is the importance of wildlife? What are the
factors responsible for their depletion?
E. Map work
On an outline map of the world, mark the natural
Answers
Answer:
1.A.Tropical Rainforests:
These forests are also called Tropical Evergreen.
Location:
Forests found near the Equator (10° North to 10° South) in Amazon & Zaire Basin and Southeast Asia.
Climate:
These regions are hot and receive heavy rainfall throughout the year.
Characteristics:
- As there is no particular dry season, the trees do not shed their leaves altogether. This is the reason they are called evergreen.
- The thick canopies of the closely spaced trees do not allow the sunlight to penetrate inside the forest even in the day time. Thus, grass is not found in these forests.
- Hardwood trees like rosewood, teak, sal, ebony, and mahogany are the common trees found here.
- Here the population found is very less. Due to dense forests commercial exploitation of these forests has not be possible, making them economically backward.
Wildlife:
Large variety and most colourful animals are found here. Monkey, Ape, Birds, Hippopotamus, snake, python, Frog, Crocodile, etc. Anaconda, world's largest snake is also found in these areas.
B.Tropical Deciduous Forests:
These forests are also called Monsoon Forests.
Location:
Forests found in large part of India, Northern Australia and in Central America.
Climate:
These regions are warm and receive rainfall less than 200 cms.
Characteristics:
- These regions experience seasonal changes. Trees shed their leaves in the dry season to conserve water.
- Trees like sandalwood, teak, sal, ebony, bamboo, etc. are the common trees found here.
- Forests are not very dense thus; commercial exploitation of these forests is possible.
Wildlife:
- Tigers, lions, elephants, langoors and monkeys are the common animals of these regions.
2.In wildlife sanctuaries, on the other hand, some human activity may be permitted, such as livestock grazing. Biosphere reserves are larger areas, which may include one or more national park and/or wildlife sanctuary. These also protect human communities and their ways of life.
3. Wildlife helps in maintaining the eco-logical balance of nature. Killing of carnivores leads to an increase in the number of herbivores which in turn affect the forest vegetation, thus due to lack of food in the forest they come out from the forest to agriculture land and destroy our crops.
- Hunting and Poaching of Animals also causes a Depletion of a Species of animals in number count.
- Uncontrolled Fishing and Over Exploitation of Marine resources by Humans are also responsible for Extinction of Aquatic & Amphibious varieties of Animals & reptiles.
Explanation:
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