Freshwater Ecosystems

State of the Climate in Asia 2024

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing serious threats to lives, ecosystems, and economies. In 2024, Asia experienced its warmest or second warmest year on …

World's Rivers In Crisis, Study Says

The world's rivers are in crisis including in North America and Europe where governments have invested trillions of dollars to clean up freshwater supplies, a study showed Wednesday. "Threats to human water security and biological diversity are pandemic," Charles Vorosmarty of the City University of New York, co-lead author of …

Cold blamed for Bolivias mass fish deaths

With high Andean peaks and a humid tropical forest, Bolivia is a country of ecological extremes. But the unusually low winter temperatures experienced by the country's tropical region in July and August hit freshwater species hard, killing an estimated 6 million fish and thousands of alligators, turtles and river dolphins.

The greening of water law: managing freshwater resources for people and the environment

Governments and law-makers need to integrate environmental concerns into water-use legislation to avert an impending global water crisis, according to this new UNEP report launched at World Water Week in Stockholm. The greening of water law is both a theoretical and practical effort to implement that harmony through modification of …

Powai lake to get 10,000 more chilwa by August

Mumbai Come August, the Powai lake will get another batch of nearly 10,000 chilwa fish, that had disappeared from the lake about a decade ago. The Maharashtra State Angling Association (MSAA), a local caretaking body of the ecology of Powai, introduced nearly 500 fingerlings of the fish into the lake …

Climate change vulnerability of mountain ecosystems in the Eastern Himalayas

The International Centre for Integrated Mountain Development (ICIMOD) undertook a series of research activities together with partners in the Eastern Himalayas from 2007 to 2008 to provide a preliminary assessment of the impacts and vulnerability of this region to climate change. Activities included rapid surveys at country level, thematic workshops, …

Kolleru lake revisited: the post Operation Kolleru scenario

Kolleru, the largest freshwater lake along the east coast of India in Andhra Pradesh (AP) had been encroached, mainly for aquaculture, to such an extent that most of the lake area was highly compartmentalized by 3

Biodiversity scenarios: projections of 21st century change in biodiversity and associated ecosystem services

This synthesis focuses on estimates of biodiversity change as projected for the 21st century by models or extrapolations based on experiments and observed trends. The term

Excessive water abstraction threatens UK rivers

River ecosystems in England and Wales are being increasingly threatened with over-abstraction by water companies, according to a study by WWF. The study, 'Riverside Tales', looked at three 'unique' chalk streams under stress - the Itchen, the upper Kennet and the tributaries of the upper Lee (the Mimram and the …

Water shortages biggest barrier to increasing food production

Arguments over which type of farming will best meet growing food demands are ignoring the most critical factor - water availability - say analysts from the International Water Management Institute (IWMI). Agriculture currently uses 70 per cent of the freshwater available for human use and, according to the IWMI, unless …

Relay satyagraha to conserve lake begins

KOLLAM: The Sasthamcotta Lake Protection Council started a relay satyagraha at Sasthamcotta demanding steps to conserve Asia

Silent streams

Freshwater animals are vanishing faster than those on land or at sea. But captive-breeding programs hold out hope.

Conservation of Ousteri Lake, Puducherry

The Ousteri Lake is the most important fresh-water lake of Puducherry region. It is also one of the most important wetlands of Asia. The lake is situated near Oussudu village and is part of both Tamil Nadu and Puducherry. As per the Government of Puducherry records, the total water spread …

A recap: Climate change, its likely impacts on freshwaters and adaptive measures to ensure sustainable development in India

The article traces the history of global initiatives on assessing present and projections of climate change (CC), describes the scope/status of current activities and program in hand for mitigation and adaptation in near future. It brings out the extent of adverse impacts of CC on water resources alongwith shortcomings of …

Glaciers as a source of ancient and labile organic matter to the marine environment

Coastal ecosystems are sensitive to changes in the quantity and lability of terrigenous dissolved organic matter (DOM) delivered by rivers. The lability of DOM is thought to decrease with age, but this view stems from work in watersheds where terrestrial plant and soil sources dominate streamwater DOM. Here, glaciated watersheds …

A water health insurance plan

As far as water goes, climate change changes everything. Past experience of rainfall, snowfall, runoff and streamflow is no longer a reliable guide for the future. We'll all be affected, but especially small farmers and the poor and marginalized, who have the least ability to protect themselves against the depredations …

Water and climate change: understanding the risks and making climate-smart investment decisions

This report focuses on water and water-related issues and investments, with a particular focus on reducing the vulnerability of water sector investments to the impacts of climate change. It provides a first version of a tool that can be used to assess exposure and screen the investment portfolio on a …

Mission to recharge dead water sources

Pune After going through a difficult time meeting the drinking water demands of the city, Pune Municipal Corporation has decided to rejuvenate existing water bodies in its jurisdiction along with finding new sources of fresh water.

Water ecosystem services and poverty under climate change: key issues and research priorities

Benefits to people from water ecosystems like rivers, swamps, floodplains and groundwater systems are central to human well-being. But ecosystems are in trouble and the Millennium Ecosystem Assessment, the Comprehensive Assessment of Water Management in Agriculture, and the Intergovernmental Panel on Climate Change have each shown that freshwater ecosystem services …

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