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 …

Mainstreaming adaptation benefits for Bangladesh’s freshwater ecosystems

The unplanned climate change adaptation benefits of a programme focused on Bangladesh’s freshwater ecosystems is making a case for this kind of initiative to be formally included in the country’s ecosystem-based adaptation (EbA) and climate change responses. The ‘incentive-based hilsa conservation programme’ was not designed with adaptation in mind but …

PSU Study Finds Room for Improvement in South Korea's Polluted River Basin

A new Portland State University study shows that even though water quality has improved in South Korea's Han River basin since the 1990s, there are still higher-than-acceptable levels of pollutants in some of the more urbanized regions in and around the capital Seoul. A new Portland State University study shows …

Study finds room for improvement in South Korea's polluted river basin

A new Portland State University study shows that even though water quality has improved in South Korea's Han River basin since the 1990s, there are still higher-than-acceptable levels of pollutants in some of the more urbanized regions in and around the capital Seoul. The study by Heejun Chang, a geography …

Gambia: Clashes Over Sand Mining Kill Two

A long-standing dispute over sand mining spawned violent clashes Monday in Gambia, with two people killed and others — including police officers — critically injured. The Julakay engineering and construction company is at the center of the dispute amid allegations of environmental exploitation in Faraba Banta village, about 50 kilometers …

Understanding Bjerknes compensation in meridional heat transports and the role of freshwater in a warming climate

The Bjerknes compensation (BJC) under global warming is studied using a simple box model and a coupled Earth system model. The BJC states the out-of-phase changes in the meridional atmosphere and ocean heat transports. Results suggest that the BJC can occur during the transient period of global warming. During the …

UK rivers contain traces of 29 pharmaceutical drugs, finds study

Traces of 29 pharmaceutical drugs have been found in rivers in York. The compounds included antidepressants, antibiotics and medicines to treat epilepsy and diabetes. The York University team which conducted the study said although the levels found in the rivers Ouse and Foss were extremely low, there were concerns over …

Death by hippo poop: Scientists solve a fish massacre in the Mara River

In the Mara River in Kenya, an overload of hippo feces can deplete the oxygen in the river water, resulting in mass fish die-offs downstream, a new study has found. Hippo pools are not just oxygen-poor, but also full of ammonium, hydrogen sulfide, methane and carbon dioxide — byproducts of …

South Africa: Prospect of Mining On Olifants River Estuary Alarms Fishermen

Traditional fishermen in the Olifants River estuary are alarmed at a decision by the government to grant prospecting rights to controversial Australian mining company Mineral Sands Resources on the northern bank of the estuary. This is the third largest estuary on the South African coastline and one of the country's …

Emerging trends in global freshwater availability

Freshwater availability is changing worldwide. Here we quantify 34 trends in terrestrial water storage observed by the Gravity Recovery and Climate Experiment (GRACE) satellites during 2002–2016 and categorize their drivers as natural interannual variability, unsustainable groundwater consumption, climate change or combinations thereof. Several of these trends had been lacking thorough …

Freshwater Biodiversity in the Lake Victoria Basin-priorities for conservation action

76% of freshwater species endemic to the basin are threatened with extinction, and the risk of species extinctions is increasing. Without immediate action, much of this unique biodiversity will be lost and the livelihoods of many people in the basin will be negatively impacted. Pollution, biological resource use, agriculture and …

Freshwater biodiversity in the Lake Victoria Basin

The Lake Victoria Basin is internationally recognised for its high freshwater species diversity and endemism, which are of critical importance to local livelihoods and national economies within the basin. However, freshwater ecosystems within the region are highly threatened, with current safeguards proving inadequate and the focus of much past and …

Assessment of eco-environmental geochemistry of heavy metals pollution of the river Gandak, a major tributary of the river Ganga in Northern India

This study includes a seasonal analysis of sediment contamination of the River Gandak by heavy metals. It passes through the many small, medium and big cities of Uttar Pradesh and Bihar in Indian Territory. To explore the geochemical condition of the streambed sediment of the river, seven heavy metals, namely …

Nigeria: Fishing in Oily Waters - Bodo's Long, Painful Wait for Pollution Clean-Up

Michael Mpari, 45, came out of the polluted waters in the creeks of Bodo, a community in Gokana Local Government area in Ogoni, Rivers State, drenched in crude oil from head to toe, carrying a broken 25 litre plastic container on his head and fishing net on his shoulder. Dejection …

Kenya: Businesses, Homes That Pollute Nairobi River Put on Notice

Nairobi — Businesses that continue to dispose waste into the Nairobi River without following the relevant regulations will be closed down by the National Environment Management Authority. The National Environment Management Authority officials are set to visit and issue closure orders in Dagoretti, Kawangware, Karen and Nairobi Dam. Residential homes …

Ghana: 5 Chinese, 4 Ghanaians Convicted for Polluting Ankobrah

Takoradi — A Sekondi high court on Thursday convicted five Chinese and four Ghanaians to a total fine of GHȻ54, 000, for polluting River Ankobra in the Bamiankor area of the Western Region, in March, last year. The convicts, Dong Cheng, unemployed, 30, Hung Jian, engineer, 51, Ning Guorui, welder, …

Lusaka residents petition President Lungu to stop construction of Kingslands City in a Forest Reserve

Some Lusaka residents under the Chalimbana River Headwaters Conservation Trust have petitioned President Edgar Lungu over fears that developments on one of the few aquifers in Lusaka will lead to the depletion of groundwater resources in the capital city. Kingsland City located adjacent to Zambia Air Force Twin Palm Base …

Lake Chad: 'Rate of its shrinking is getting faster'

Lake Chad in Central Africa provides water to around 30 million people in four neighbouring countries, but it has lost 90 percent of its surface area in the last 100 years. Environmentalists are warning of impending human and ecological disaster in the Sahel region if nothing is done to stop …

Toxic medical waste makes Tzaneen river a health hazard

Medical waste from the Letaba Hospital is flowing directly into the Letaba River‚ said Lindy Wilson MP and DA shadow deputy minister of health‚ following an oversight visit to the Tzaneen hospital on Monday. She said that the South African Human Rights Commission would be asked to institute an urgent …

Kenya: City Hall to Outsource Nairobi River Revival Plan

Nairobi — The Nairobi County Government is set to outsource the Nairobi River Regeneration Program services in an initiative that seeks to ensure clean waterways as well as conserving the riparian environment. In an advert, Acting County Secretary Leboo ole Morintat said there has been an increase in water pollution …

Tanzania says Lake Manyara “drying up,” threatening flamingo, hippo habitat

A senior Tanzanian government official on Sunday voiced concerns over Lake Manyara’s diminishing water levels, calling for more efforts to save the key tourist attraction from drying up. Permanent Secretary in the Ministry of Natural Resources and Tourism Gaudence Milanzi said a balance between wildlife conservation and human activities should …

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