What is major biodiversity in West Bengal?
The predominant wetland types of the State are marshes, jheels, terai, swamps and char lands of the Gangetic plains, wetlands in Island of Bay of Bengal and coastal brackish water. These wetlands harbour enormous diversity of floral and fauna species many of which are endangered.
How many biodiversity are there in West Bengal?
Covering just 2.7% of the Indian landmass it is home to 12.27% of Indian biodiversity known till date. The state has more than 7000 species of described flora including bacteria, algae, fungi, bryophytes, pteridophytes and angiosperms and more than 10000 species of described fauna.
Whats is biodiversity?
Biodiversity is all the different kinds of life you’ll find in one area—the variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural world. Each of these species and organisms work together in ecosystems, like an intricate web, to maintain balance and support life.
What type of forest is in West Bengal?
Some of the dense forests of West Bengal occur here. The dry deciduous forests of the plateau fringe mainly occur in Medinipur, Bankura, Puruliya, Barddhaman and Birbhum districts. This forest mainly bears Sal which is different from the Sal bearing forest of the northern region in size, undergrowth and other aspects.
Which of the following are types of biodiversity?
Biodiversity includes three main types: diversity within species (genetic diversity), between species (species diversity) and between ecosystems (ecosystem diversity).
- Genetic Diversity. …
- Species Diversity. …
- Ecological Diversity. …
- Biodiversity Agreements. …
- Human Impact. …
Why does biodiversity loss occur?
Biodiversity loss is caused by five primary drivers: habitat loss, invasive species, overexploitation (extreme hunting and fishing pressure), pollution, climate change associated with global warming. In each case, human beings and their activities play direct roles.
What are the hotspots of biodiversity in India?
Here’s a look at 6 biodiversity hotspots of India
- Indo-Burma region. …
- Terrai-duar Savannah. …
- Western Ghats. …
- Sundaland. …
What is biodiversity of Ladakh?
Ladakh is rich repository of medicinal and aromatic plants. It is estimated that the Ladakh region may harbour close to 1,100 species of vascular plants and ferns. As many as 23 species of flowering plants are endemic to Ladakh.
What are the different types of ecosystem?
The different types of the ecosystem include:
- Terrestrial ecosystem.
- Forest ecosystem.
- Grassland ecosystem.
- Desert ecosystem.
- Tundra ecosystem.
- Freshwater ecosystem.
- Marine ecosystem.
What is biodiversity with example?
Most people recognize biodiversity by species—a group of individual living organisms that can interbreed. Examples of species include blue whales, white-tailed deer, white pine trees, sunflowers, and microscopic bacteria that can’t even be seen by the naked eye.
What are the 3 types of biodiversity?
Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity.
What is biodiversity class 8?
Biodiversity or Biological diversity: It refers to the variety or organisms existing on the earth. Their interrelationships and their relationship with the environment. It includes variety of plants, animals and microorganisms. Flora and Fauna: The plants found in a particular area are termed as flora area.
Which type of vegetation is found in West Bengal?
Here between 1000 to 1500 metres, subtropical forests are found, while temperate forests occur between 1500 to 3000 metres which contain some verities of oaks and conifers. Above 3000 metres, silver fir is very common. Higher up are Alpine meadows, small bushes and flowering plants.
Which vegetation is in West Bengal?
The predominant commercial tree species is Shorea robusta, commonly known as the sal tree. The coastal region of Purba Medinipur exhibits coastal vegetation; the predominant tree is the Casuarina. A notable tree from the Sundarbans is the ubiquitous sundari (Heritiera fomes), from which the forest gets its name.
Which is the largest forest in West Bengal?
Buxa National Park and Tiger Reserve, Rajabhatkawa
The forest constituting of the Buxa Tiger Reserve in West Bengal is the largest in the Dooars. Spanning over a whopping 759 sq.