The resulting in lower rates of photosynthesis and regeneration

 The Sundarbans National Park is a National Park, tiger reserve, and a Biosphere Reserve in the Sundarbans delta.  This area is densely covered by mangrove forests. It is one of the largest reserves for the Bengal tiger. It is also home to a variety of bird, reptile and invertebrate species, including the salt-water crocodile. It is considered as the home to various kind of species (flora and fauna), which due to change in habitat, technology and human induced pressure have now become less or locally extinct.                             Researches shows that a major cause of these problems is Global Warming.Sunderban area is cyclone prone area, monsoonal and low lying area which as a result is majorly responsible for todays condition of the place. Some of the main problems are as follows:  . Increasing temperatures Between 1980 and 2014, it has been observed that the temperature of the waters in the Sundarbans has increased at an accelerated rate of 0.5o C per decade compared to the observed global sea surface temperature warming at the rate of 0.06o C per decade.k This accelerated increase in temperature of the sea has severe implications on aquatic life.It detrimentally affects the health of the mangrove ecosystem. Rising sea-levelsSea level has risen at a rate double the global average. Due to continuous submergence in higher water, the plants are being noted to be shorter and narrower with fewer branches and leaves resulting in lower rates of photosynthesis and regeneration of the mangroves. The sea level rise is also affecting the availability of sediment, directly impeding the establishment of new groves.Also, there is a increase in intensity of cyclones due to rise in sea level. Decrease in Freshwater  The decrease in fresh water run off has affected mangrove growth. Further, agriculture is being affected because of the high levels of salinity of the soils due to high tides, cyclones and storm surges, and problems of water stagnation. Change in agriculture pattern.Over exploitation and illegal forest cutting in the area.Removal of timber and firewood from the forests and the absence of sustainable management practices are the major forest conservation problems in the area. The main reason of illicit removal of timber are: wide gap between the demand and supply of wood and almost permanent unemployment in rural areas, which results in compelling dependence on gathering of wood from the forests for subsistence. Biotic pressure: The Sundarban Islands are inhabited by a huge population that depends straightly on the forest resources for its livelihood. In addition, due to the lonesome location of some of the islands, the inhabitants are deprived of health care and energy sources, which leads to poverty. Their dependence on the forest results in disturbance to wildlife, and further leads to human wildlife conflict.  Shrimp FarmingRapid growth of shrimp farming also leads to deterioration of mangrove forests. Pollution  Now a days in the name technical development people are just throwing wastes here and there. Due to a heavy disposal of solid waste from the nearby cities, the Ganges river does not carry fresh water to the Sundarbans. A very large amount of domestic and industrial effluents are carried by the tributary rivers. Loads of mud disposals from the harbors also causes pollution. The emergence of Haldia Port Complex is a great f oil disembarkment in East of India.     Man made disasters  Oil spills are one of the biggest man made disasters that affect the people as well as the environment of Sundarbans. The oil spill of 2014 where a Bangladeshi ship created a lot of destruction especially to the aquatic life. Earlier traditional agricultural methods were practiced. But today, practices like the techniques of using pesticide and chemicals which are affecting the flora and fauna of the region a lot. The dumping of various industrial and domestic waste into the river systems are also possessing a threat to the environment. There are concerns regarding the construction of 1320 megawatt coal-fired power plant near the Sundarbans. Fishing The problem of over fishing has put the environment under great difficulties. The number of the fish is decreasing day by day due to the combination of over exploitation and climatic changes. The density of the fish in shallow waters reduced tremendously. Due to the excessive demand for the prawn products, the local people dropped the traditional fishing practices and adopted the prawn seed culture.       CONTROL OF THE PROBLEM In India,according to the article 21 of the Indian Constitution, the states are bound to protect and improve the environment and safeguard the forests and wildlife and it is a duty of every citizen to protect and improve the national environment including forests, lakes, rivers and wildlife, and to have compassion for living creatures.  In 1988, The National Forest Policies stated that it will ensure environmental stability & maintenance of ecosystem.As it is mentioned that wood cutting and illegal timber export is badly causing threat to the national park, therefore a strong action is needed to stop it as far as possible. Otherwise it can broadly affect the environment there.

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