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#Freshwater

2 posts2 participants0 posts today
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Christian Schwägerl

This in-depth report in the Wall Street Journal describes the catastrophic legacy of gold #mining in Northwestern #Canada. A US company created huge amounts of arsenic waste that pollutes the surface and could enter the world’s tenth-largest #freshwater body. Then the company went bankrupt and left the mess to the Canadians. The elders of the Yellowknives Dene First Nation, the indigenous people of the area, call Giant Mine ‘Nahga’, the monster.
wsj.com/world/canada-gold-mine #Trump #EPA #deregulation

Public
Ecology & Ecosystem Modelling

📘 New #DynaTrait synthesis paper online, led by Ellen van Velzen: "Flexibility in Aquatic Food Web Interactions: Linking Scales and Approaches"

Read it here: link.springer.com/article/10.1

SpringerLinkFlexibility in Aquatic Food Web Interactions: Linking Scales and Approaches - EcosystemsTrophic interactions determine food web structure and influence biodiversity, community structure, ecosystem functioning, and food web responses to global change. These interactions are highly flexible, changing on temporal scales from diurnal to evolutionary times due to phenotypic plasticity, rapid evolution and species sorting. Small-scale experimental and theoretical studies of plankton interactions have demonstrated a high relevance of this flexibility for community dynamics and ecosystem processes in small, simplified communities. However, the extent to which this flexibility affects larger-scale systems, for example, global ocean dynamics and their responses to global change, is still poorly understood. Differences in methodology, focus and terminology between research disciplines limit our ability to project established effects of flexible trophic interactions onto larger spatial and temporal scales. We propose to bridge this gap with a general framework for upscaling knowledge from small-scale research to large-scale models. Building on examples from plankton communities, we use this framework to show how mechanisms demonstrated in small-scale studies can be linked to ecosystem functions relevant at large scales. We argue for incorporating flexibility in large-scale process-based models to improve their realism and predictive power, and discuss challenges and ways forward for achieving this. Finally, we suggest several concrete ways for upscaling small-scale studies to make their findings more relevant for large-scale research, to close existing knowledge gaps and to improve our understanding of how flexible trophic interactions affect dynamics and processes across scales.
#ecology#evolution#traits
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seymourh

Fresh Water is one of the most important resources that we have on Earth.

World Water Day was a day designated by the UN to remind us of the importance of caring for it.

Climate Change is creating havoc with our water. There is either too much, too little or both. Melting glaciers and icecaps are threatening the futures of billions of people.

Water is another of those key issues facing humanity.

Please read Doreen's blog to find out more:

agrandmothersdream.com/water-i

We CAN do something about Climate Change · Water is Life - We CAN do something about Climate ChangeOur new water cycle created by Global Warming is proving to be catastrophic for millions of people. We need to learn how to cope with it.
#climatechange#FreshWater
Public
Flipboard Science Desk

As seawater creeps further into coastlines, salt threatens to pollute the freshwater reserves that people depend on. But this brine isn’t just coming from the ocean: New research shows freshwater ecosystems are facing widespread dual threats of salt contamination from the sea and land, made worse by climate change. @ArsTechnica reports:
arstechnica.com/science/2025/0

Ars Technica · Saltwater contamination in freshwater systems is on the riseBy Inside Climate News
#ClimateChange#Pollution#FreshWater
Public
Lukas VFN 🇪🇺

Ancient #amphibians bounced back from Earth's greatest mass #extinction by exploiting #freshwater prey phys.org/news/2025-03-ancient-

The ecology and geography of #temnospondyl recovery after the #Permian–#Triassic #MassExtinction royalsocietypublishing.org/doi

"the #temnospondyls success lay in their generalist feeding ecology, enabling them to feed on a wide variety of prey... the freshwater habitats they preferred provided them with a relatively stable variety of food resources"

close-up photo of a frog
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