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78 notícias encontradas para "river"
Environmental DNA reveals impact of climate and humans on global river fish biodiversity
A global analysis of fish biodiversity using environmental DNA (eDNA) reveals how human activity and climate influence biodiversity patterns in river ecosystems. An international research team led by the University of Zurich, Eawag and Yunnan University has found that in warmer c
Flooding rains, ocean gains: How a huge Murray flood gave the sea a feast
For decades, the rivers of the Murray-Darling Basin have been heavily regulated by dams and irrigation networks. As a result, the volume of water entering the ocean is about 60% smaller than 100 years ago. But nature broke through during massive floods over the summer of 2022–23,
Foto: Deb Hayes / Pexels
Evidence identifies ancient Aboriginal mining in the Riverland
Flinders University researchers, in partnership with the River Murray and Mallee Aboriginal Corporation, have found evidence that points to 7,000 years of Aboriginal mining of stone at Sugarloaf Hill in South Australia's Riverland. The dating formed part of the first detailed inv
Farmers fear drought as Italy's longest river runs dry
Seawater is seeping into Italy's longest river as the waterway starts to run dry in the heat wave, hitting a farming heartland that produces the milk for Parmesan cheese.
Europe heatwave live: drought fears in Italy, records broken in Slovakia and Denmark, majo
Europe heatwave live: drought fears in Italy, records broken in Slovakia and Denmark, majo
Forecasters say hottest conditions spreading into central and eastern EuropeAfter decades of climate warnings, why is Europe so unprepared for rising heat?Seawater is seeping into Italy’s longest river as the waterway starts to run dry in the heatwave, hitting a farming heartland
Q&A: What happens when warming streams push young salmon beyond their limits
Q&A: What happens when warming streams push young salmon beyond their limits
As climate change warms rivers across British Columbia, young salmon are facing increasing heat stress at vulnerable stages of their lives. Two studies from UBC's Pacific Salmon Ecology and Conservation Lab have found that younger fish cope with heat differently than older fish a
Water vole volunteers 'get very excited by flattened poo'
Water vole volunteers 'get very excited by flattened poo'
Regular surveys of the River Meon show a successful reintroduction of water voles in Hampshire. O recorte ajuda a contextualizar a pauta dentro de Agro.
The blueprint to reducing Lismore floods by up to 2 meters
CSIRO hydrologist Dr. Jai Vaze has lost count of how many times over the past four years he has been asked if he can flood-proof the Northern Rivers region of New South Wales.
Warming can shift freshwater crustaceans to a 'greener' diet
Climate change is not only warming our lakes and rivers, it is also changing what invasive species eat. A new experimental study published in Limnology and Oceanography Letters shows that temperature-driven diet shifts in an invasive crustacean could alter its ecological role in
Country diary: A story of water pollution, told in seaweed | Sara Hudston
Country diary: A story of water pollution, told in seaweed | Sara Hudston
Charmouth, Dorset: On a busy beach day, I find bright green gutweed thriving by the river mouth. It’s resilient – and loves the nutrients found in sewageCharmouth beach is always busy. Even on grey and stormy winter days, walkers and their dogs patrol the hissing waves, and fossi
Tears and celebrations as river 'wiggle' restored
The meander in the River Kemp has been restored in a project led by Severn Rivers Trust. O recorte ajuda a contextualizar a pauta dentro de Agro.
Fish in a polluted Mexican river may mate with the wrong species, leading to hybrid offspr
The byproducts of modern society appear to be messing with the love life of two tiny fish species that have long coexisted in Mexican rivers.