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Microplastics found in Nile River"s tilapia fish

The Nile is one of the world's most famous rivers. It's also Africa's most important freshwater system. About 300 million people live in the 11 countries it flows through. Many rely on its waters for agriculture and fishing to make a living......»»

Category: topSource:  physorgFeb 6th, 2024

New maps show high-risk zones for whale-ship collisions—vessel speed limits and rerouting can reduce the toll

Imagine you are a blue whale swimming up the California coast, as you do every spring. You are searching for krill in the Santa Barbara Channel, a zone that teems with fish, kelp forests, seagrass beds and other undersea life, but also vibrates with.....»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Earliest fish-trapping facility in Central America discovered in Maya lowlands

An archaeologist from the University of New Hampshire and her team have collected data which indicates the presence of a large-scale pre-Columbian fish-trapping facility. Discovered in the Crooked Tree Wildlife Sanctuary (CTWS), the largest inland we.....»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Ancient fish-trapping network supported the rise of Maya civilization

The Maya were landscape engineers on a grand scale, even when it came to fishing. On the eve of the rise of the Maya civilization, people living in what’s now Belize turned a wh.....»»

Category: topSource:  arstechnicaRelated NewsNov 22nd, 2024

"Doomsday fish" washed ashore in California, but what does that mean?

If one oarfish landing on a beach is a sign of a disaster to come, how bad will it be if three wash up in quick succession?.....»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Feds release options for future of Colorado River as negotiations between states stall

Federal officials released a range of scenarios on Nov 20 that could be used to manage the over-allocated and shrinking Colorado River as time for the seven basin states to reach an agreement grows short......»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Researchers investigate health risks of potentially toxic elements in surface water in Tarim River Basin, China

Potentially toxic elements (PTEs) in surface water in arid areas can pose a serious threat to natural environment and human health......»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Durable supramolecular plastic is fully ocean-degradable and doesn"t generate microplastics

Researchers led by Takuzo Aida at the RIKEN Center for Emergent Matter Science (CEMS) have developed a new durable plastic that won't pollute our oceans. The new material is as strong as conventional plastics and biodegradable, but what makes it spec.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

A vision-driven approach: Researchers advocate use of imagination in tackling climate crisis

In a new npj Ocean Sustainability article, ten researchers advocate the use of imagination in tackling the climate crisis. They focus specifically on urbanizing river deltas, which are of great social and economic importance and highly vulnerable to.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Atmospheric river meets bomb cyclone: The result is like a fire hose flailing out of control

The West Coast's rainy season has arrived in force, as an atmospheric river carrying moisture from the tropics joins a bomb cyclone off the Pacific Northwest coast. Heavy, wet snow began falling in the mountains on Nov. 19, 2024, and bursts of rain h.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Geospatial mapping study shows drought trend in ag-dominated Arkansas Delta

The Delta, a regional powerhouse for Arkansas agriculture built by river flows, is showing a trend of increasing droughts. Using satellite imagery, Arkansas Agricultural Experiment Station researchers comprehensively analyzed drought dynamics over fi.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Reef studies highlight missing clues to conserve fish species

In Australia, shellfish reef restoration projects are helping to recover degraded coastal systems and enhance fish habitat, but much more research is needed to support and evaluate these efforts, researchers say......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

River microbes near wastewater treatment plants express high levels of antibiotic resistance genes, study shows

Rivers and streams serve as critical connectors across vast geographical landscapes, trickling out of tucked-away headwaters and snaking thousands of miles toward oceans and deep seas. These waterways directly impact human and environmental health, a.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Invasive zebra mussels are associated with elevated mercury levels in fish, study finds

A study found that invasive zebra mussels significantly alter aquatic ecosystems, and are associated with elevated mercury concentrations in fish. Mercury, a potent neurotoxin, poses a serious threat to both aquatic life and human health......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Delaware River water levels at 60% as salt front increases amid drought

Parched farms, wildfires, and browned vistas are highly visible signs of this fall's drought......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

What the Delaware River "salt line" is, and why we should care where it is

Among all the things that Philadelphians love about the Jersey Shore, the taste of the Atlantic Ocean is not one of them......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Scientists discover the molecular composition of potentially deadly venomous fish

New research in FEBS Open Bio reveals insights into the venom of two of the most venomous fish species on Earth: the estuarine stonefish (Synanceia horrida) and the reef stonefish (Synanceia verrucosa), which are typically found in the warm and shall.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

How flood risk affects home values

Tempted by lower prices and a nice river view? Houses for sale in a flood zone are around 10% cheaper than surrounding areas, according to new research. However, the reduced price tag is not worth the extra risk and can burden buyers with long-term i.....»»

Category: topSource:  physorgRelated NewsNov 19th, 2024

First ever goat-fish petroglyph reveals Egyptian understanding of zodiac symbols

A new study by Dr. Linda Evans and her colleagues from Macquarie University, Australia, published in the Journal of Egyptian Archaeology, has recently identified what may be an Egyptian petroglyph depicting the zodiac sign Capricornus, a hybrid creat.....»»

Category: topSource:  physorgRelated NewsNov 19th, 2024

Latest edition of book offers guidance on monitoring and managing ranaviruses in amphibians, reptiles and fish

Researchers are providing new information and guidance on monitoring and managing viruses that cause life-threatening diseases in amphibians, reptiles and fish, as detailed in the second edition of Ranaviruses: Emerging Pathogens of Ectothermic Verte.....»»

Category: topSource:  physorgRelated NewsNov 19th, 2024

World"s first visual grading system developed to combat microplastic fashion pollution

More than 14 million metric tons of microplastics are estimated to be lying on the ocean floor with the fashion industry among the worst pollutants......»»

Category: topSource:  physorgRelated NewsNov 19th, 2024