Friday, March 29, 2024

Adopting European CORINE Land Cover concept

Environmental Assessment Adopting European CORINE Land Cover concept Dr. Md. Mizanur Rahman Corine Land Cover (CLC) is a database of geographic land cover encompassing most of the European countries. It is based on interpretation of satellite images. Images acquired by earth observation satellites are used to derive land cover information. It provides comparable digital maps ... Read more

Habitat loss, biodiversity loss

Dr. Md. Mizanur Rahman Our planet is changing continuously, causing habitats to be altered and modified. Tropial and sub-tropial forests are always subject to destructive natural forces — cyclones landslides, floods, mud flows, volcanic eruptions, fire, drought, and climate change. These factors are overwhelmed by anthropogenic disturbances. These forests are being logged everywhere at a ... Read more

Dewpara Sal forest: Past and present

Biodiversity Dewpara Sal forest: Past and present Dr. Md. Mizanur Rahman SAL occurs on the southern slopes of the Himalayas in Nepal, India and Bangladesh. In India Sal occupies the northern and central regions separated by the Gangetic plain. Terai (low land) is considered as the main Sal growing region of Nepal. The major portion ... Read more

How will it respond to predicted climate change?

Kuakata Biodiversity How will it respond to predicted climate change? Dr. Md. Mizanur Rahman KUAKATA, locally known as Sagar Kannya (daughter of the sea) is located in the southwest of Bangladesh. Next to Cox’s Bazar it is the second most famous sea beach of this country. And Kuakata is one of the rarest sea beaches ... Read more

Alien invasive species disrupting native biodiversity

Dr. Md. Mizanur Rahman LANTANA is a native evergreen shrub to tropical America. It is now a major weed in many regions of the Palaeotropics where it invades natural and agricultural ecosystems. The plants can grow individually in clumps or as dense thickets, crowding out more desirable species. It may grow up to 6 ft ... Read more

Climate change: Disappeared South Talpatti, what next?

Dr. Md. Mizanur Rahman The South Talpatti measuring 81 square miles in the Sunderbans has disappeared due to sea level rise and soil erosion. Its disappearance was confirmed by satellite image and sea patrols. Sugata Hazra, a professor from the School of Oceanographic Studies at Jadavpur University in Calcutta, told reporters, “There’s no trace of ... Read more

Offshore Nijhum island: Overcoming climate change impact

Dr. Md. Mizanur Rahman NIJHUM is an offshore island in the Bay of Bengal, located in the extreme south of Hatia island separated by Hatia channel. It is a scenic treasure trove having 20 kms long sandy and grassy beach. Accredited on the estuarine Meghna river and the Bay of Bengal, Nijhum is a virgin ... Read more

Climate change: Whispering from the Sunderbans

Dr. Md. Mizanur Rahman Due to increased rate of emissions of greenhouse gases (carbon dioxide, methane, nitrous oxide, ozone and chlorofluorocarbons) from different sources such as burning of fossil fuels, deforestation and other human activities, the rate of global temperature increase accelerated from +0.6°C over the past century to an equivalent rate of +1.0°C per ... Read more

European hemeroby approach for appropriate measuring

Human Impacts on Nature European hemeroby approach for appropriate measuring Dr. Md. Mizanur Rahman Nature conservation anchors a discourse that articulates a nexus of nature-culture-artificiality-stability-biodiversity. The concepts of human disturbances have been enjoying increasing popularity in the discussion of biodiversity conservation. Anthropogenic behaviour that harms nature” or “human activities contrary to nature” leads to unnatural ... Read more

Impact of climate change on St. Martin’s Island

Dr. Md. Mizanur Rahman Global climate change poses a high risk to the biodiversity of coral reefs of St. Martin’s. The major threats to the coral reefs are high levels of sedimentation, cyclones, storm surges and beach erosion. Global warming is a matter of major concern for coral reefs of this island as elsewhere. St. ... Read more

Parthenium weed poses danger to crops

Parthenium, a newly discovered invasive and dangerous weed, has been posing a serious health problems to human beings and livestock and also causing loss of crops and vegetation in the country, reports The New Nation The dangerous weed is affecting many countries in Asia, Africa and the Pacific Islands causing serious environmental problems. It is ... Read more

Sundarban water warming faster than global average

In the Sundarbans, surface water temperature has been rising at the rate of 0.5 degree Celsius per decade over the past three decades, eight times the rate of global warming, says a new study, reports Times of India on Tuesday. That makes the Sundarbans one of the worst climate change hotspots on the globe. The ... Read more

Towards a new paradigm for conserving biodiversity

From The Daily Star Morticulture Towards a new paradigm for conserving biodiversity Dr. Md. Mizanur Rahman IT was not a poet but an American scientist, Mark Harmon, who nicknamed his field of study “morticulture”, to suggest the importance of managing the dead trees in the forest to maintain biodiversity. Deadwood plays a vital role for the ... Read more

Polluted rivers, risky water

Prof Mustafizur Rahman Tarafdar The water of Buriganga, Balu, Sitalakhya and Turag are severely polluted. No biological survival can occur there as oxygen is depleted and might have reached nearly O level! Oxygen level in fresh river water is 9mg/l at 20ºc and 7.6mg/l at 30ºc (Summer). BOD5 (consumption of oxygen for decomposition of microbs) ... Read more

Human Rights Violated by Climate Change

The UN Human Rights Council has adopted a resolution proposed by the Maldives to hold a panel discussion on the relationship between human rights and climate change. The resolution states that “Global warming violates human rights of millions of people, especially in countries vulnerable to climate change such as the low-lying island state of the ... Read more

Mystery of the British penguins that are marching towards oblivion

From The Times Lewis Smith, Environment Reporter An endangered species of penguin is mysteriously disappearing from a remote British island in the South Atlantic at a rate of 100 birds every day. About two million northern rockhopper penguins have vanished from Tristan da Cunha and Gough Island, part of the British overseas territory of St ... Read more

Climate change and food security

Mahbuba Nasreen World Food and Agricultural Organization’s (FAO’s) recent projections to 2030 suggest that globally the share of food in average household expenditure will continue to decline. However, recent trends, at least for some commodities, appear to be showing the reverse, with food prices increasing faster than incomes. Growing scarcities of water, land and fuel ... Read more

Reduce greenhouse gas emissions

Global Warming Reduce greenhouse gas emissions Farhad Tuhin. Greenhouse gases naturally blanket the Earth and keep it about 33 degrees Celsius warmer than it would be without these gases in the atmosphere. Over the past century, the Earth’s temperature has increased by about 0.5 degrees Celsius and scientists believe this is because of an increase ... Read more