What are the threats to wetlands in Assam?

Wetlands in the state are also facing threats of encroachment, pollution and other forms of degradation due to population pressure, expansion of agricultural area, chemicals use in agriculture, urbanization, industrialization, so called other developmental activities, like road and other construction works.

Why assam wetlands are in danger?

Though a protected site under the Ramsar Convention on Wetlands, 1971, the area has been suffering from environmental degradation due to continuous encroachment and waste dumping. In fact, the Guwahati Municipal Corporation (gmc) dumps all its waste in the vicinity.

What are the environmental threats faced by Deepor Beel in present days?

Deepor Beel is a permanent fresh water lake and the only Ramsar site in Assam is Experiencing adverse human activities; filling of wetlands for habitation purpose, cutting the sides of wetlands, pollution, fishing, killing of migratory birds, excessive fodder practices etc.

How are humans affecting wetlands?

Human activities cause wetland degradation and loss by changing water quality, quantity, and flow rates; increasing pollutant inputs; and changing species composition as a result of disturbance and the introduction of nonnative species.

What is the significance of Deepor Beel?

Biodiversity: Deepor Beel provides a wide array of habitats for many organisms including many economically important and endangered species of animals and plants. This enormous wetland system provides an important breeding and feeding grounds for millions of water fowl, consisting of more than 70 migratory species.

What are the negative effects of wetlands?

The Problem Wetlands destruction has increased flood and drought damage, nutrient runoff and water pollution, and shoreline erosion, and triggered a decline in wildlife populations.

What activities can destroy a wetland?

Fire, floods, cyclones and drought are all naturally-occurring processes that have the potential to alter and damage wetland environments. Fire can remove or change habitat available for wildlife around wetlands.

How many bird sanctuary are there in Assam?

Total number of Sanctuary in Assam is Eighteen (18). Name of Sanctuary, Year of Notification and Total Area is as follows……….

Is Deepor Beel an oxbow lake?

It is an oxbow lake located 10 km southwest of Guwahati city [90°36’39”-90°41’25” E, 26°03’26”-26°09’26” N; Area: 41 SQ km (4000 ha of water spread), 53m above Mean Sea Level] measuring a maximum depth of 4m and averaging a depth of 1m (refer to Fig 1 for snapshot of Deepor Beel).

What can destroy a wetland?

Threats include: sand and gravel extraction causes changes in water levels, damages existing vegetation and provides access for weeds. reclamation of lake and river margins, lagoons and estuaries, and draining of farm swamps, reduces wetland areas. pollution by excess run-off of sediment and nutrients from farmlands.

What are three wetland threats?

The EPA also list the following as major human causes of wetland loss: logging, runoff, air and water pollution, introducing nonnative species.

Which national park is largest in Assam?

Kaziranga National Park

Kaziranga National Park
Area 430 km2 (170 sq mi)
Established 1905 1974 (as national park)
Governing body Government of Assam Government of India
World Heritage site World Heritage Place by UNESCO since 1985