The water level drops up to 240 km during the dry season in western part of Bangladesh that causes severe saline problem in 30 Upazilas in Bangladesh. In fact, sea level rise would produce salinity impacts in surface water, ground water and soil. Experts opined, 10% more land will be saline affected and intensity will be increased by 10% in the next decade. Soil salinity can decrease crop production. In future, the transplanted Aman crops area will cover only 18...
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Bangladesh, one of the most hit hardest countries by climate change, though has a little contribution to this change – less than half a percentage point of global emissions – the country would be a leader toward global abatement. However, different parts of the world are likely to be affected differently: countries closer to North and South poles will experience warmer temperatures and once inhospitable land will experience melting of ice. Small island nations are at risk of extinction due...
This year, national Fisheries Week is being observed from July 21 to 27 with the theme “Machh Utpadan Briddhi Kori, Shukhi Samriddha Desh Gori” (‘Increase fish production; build a happy and prosperous country’). According to the Food and Agriculture Organisation (2020), Bangladesh has moved up to the second spot in the world in terms of growth rate of freshwater fish production. We are self-sufficient in fish production. At present, we are consuming 62.58 grams of fish against the daily demand...
Wetlands play a crucial role in maintaining the ecological balance of ecosystems. Wetlands of Bangladesh have the characteristic of being sensitively in?uenced by water; supports agriculture, ?sheries and natural vegetation and maintain soil structure that is distinctive from that of surrounding uplands. But wetlands habitat of Bangladesh is under constant threat due to increase of population, commercialization of agriculture, over-?shing, siltation, pollution, ill-planned infrastructures, lack of institutional coordination and lack of awareness. The total area of wetlands in Bangladesh is...
Life is a circle. All that grows return to where it began – the earth. And from there it grows again, forming a perfect cycle. But we have broken that cycle. Our economy is growing unsustainably at the expose of nature. We have created a linear economic model – make, use and dispose. We extract millions of tons of natural resources every year and turn them into materials that we use and consume and then we simply throw them away....
The climate and water bodies are apposite for various fish farming in Bangladesh. There are 8545 bunged water bodies – 3.46 lac acres and 3773 open water bodies- 27.82 lac acres. Most of them are under contract farming by local farmers and national or international agencies. As a result, intensification (extraction of ground water, agrochemicals, hybrid seeds and patent) of water bodies makes it suitable only for hybrid fish, not for aboriginal fish, particularly in coastal region. In haor areas,...
The increasing occurrence of natural and human-made disasters, including armed conflicts, is causing extensive loss of life, damage to property, and harm to the environment. Conflicts and natural disasters are resulting displacements of populations, creating a crisis which do not necessarily remain within the country’s own borders, but will often spread within the a region causing refugee flows into neighboring countries, further advancing economic and political instability. The number and nature of armed conflicts has changed significantly in recent years....
Remote sensing is the quick technique of obtaining information about objects on the surface of the earth without physically coming into contact with them. This process involves making observations using sensors mounted on platforms (aircraft and satellites), which are at a considerable height from the earth surface and recording the observations on a suitable medium. Remote sensing data have been used for wide range of applications in Bangladesh, although in limited institutions, partly due to lack of expertise and financial...
Bangladesh is witnessing a rapid urbanization with more than a third of population now living in urban areas and continuing. Despite the population growth rate has come down to 1.2 per cent per annum, the country remains one of the most densely populated countries in the world. This urbanization has been spurred by the structural changes in the rural economy resulting from the increased commercialization of the agriculture sector and widespread rural poverty. But this rapid urbanization has caused heightened...
