Riverine fish numbers increase amidst environmental challenges
Surprising trends in the abundance and species richness of riverine fish across the globe have been unveiled in a new study.
Surprising trends in the abundance and species richness of riverine fish across the globe have been unveiled in a new study.
Ecology
Feb 14, 2024
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63
Over the last century, die-offs of animal populations, known as mass mortality events (MMEs), have increased in frequency and magnitude. The scale of these events can be staggering: billions of dead fish, hundreds of thousands ...
Ecology
Jan 23, 2024
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15
Turkey on Thursday hailed the unexpected sighting of the leopard barbel fish—listed as one of the most endangered in the world—in the Tigris River.
Plants & Animals
Jan 18, 2024
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Rebecca Flitcroft, a research fish biologist with the USDA Forest Service Pacific Northwest Research Station, wants to shine a light on the need for freshwater protection because biodiversity in freshwater is declining at ...
Plants & Animals
Nov 17, 2023
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12
Investigators recently studied several species of freshwater mussels, which are endangered and are especially sensitive to changes in water quality, to explore the ramifications of sea-level rise in coastal rivers. The research ...
Plants & Animals
Sep 20, 2023
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1
In long-lived lakes that existed for millions of years freshwater snails developed a particularly high diversity of species. A new study by SNSB paleobiologist Thomas A. Neubauer now shows the importance of these ecosystems ...
Evolution
Sep 14, 2023
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88
A new paper published in the journal Proceedings of the Royal Society B used environmental DNA (eDNA) metabarcoding to analyze fish and zooplankton communities.
Ecology
Sep 12, 2023
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70
Freshwater ecosystems account for half of global emissions of methane, a potent greenhouse gas that contributes to global warming. Rivers and streams, especially, are thought to emit a substantial amount of that methane, ...
Earth Sciences
Aug 16, 2023
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116
Seemingly healthy ecosystems with a constant or even increasing number of species may already be on the path to decline and loss of species. Even in long-term datasets, such negative trends may only become apparent with a ...
Ecology
Jun 12, 2023
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14
Freshwater ecosystems around the world are becoming saltier and saltier. Many human-driven factors contribute to freshwater salinization, including: irrigation, oil extraction, potash mining, and road de-icing.
Ecology
Mar 23, 2023
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71