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Hotter summer temperatures prompt fly fishing restrictions in Montana
In some areas, fishing has been temporarily prohibited on hot summer afternoons when the water is too warm.
“That’s a huge impact to fisheries and to the guiding community as a whole,” Hutcheson says. “There are operations…starting their guide trips at 5 a.m. so they can get off the water by 2, or they’re simply not taking people out during the hottest times of the year, which traditionally has been some of the best fishing”…
Why it matters that climate change is shrinking birds
Scientists have long predicted that increasing temperatures would drive reductions in body size across the tree of life, but testing this requires huge amounts of data collected consistently over decades. This type of data is only available for a tiny fraction of the world’s species, including some North American birds.
Recently, a study based on over 70,000 North American bird specimens found that warming temperatures have been shrinking birds for the past 40 years…
Shared morphological consequences of global warming in North American migratory birds
“Increasing temperatures associated with climate change are predicted to cause reductions in body size, a key determinant of animal physiology and ecology…”
Declining body size: a third universal response to warming?
“Because body size affects thermoregulation and energetics, changing body size has implications for resilience in the face of climate change.”
Using remote sensing to assess the impact of beaver damming on riparian evapotranspiration in an arid landscape
Beaver pools allow sediments and waterborne pollutants such as nitrogen and heavy metals to filter downward, preventing their transport downstream. A 2015 study from the University of Rhode Island found that beaver ponds can help remove up to 45 percent of nitrogen from streams. Researchers in Maryland are now enlisting beavers to reduce pollutants entering the Chesapeake Bay.
The research indicates that riparian areas with beaver damming in arid landscapes are better able to maintain vegetation productivity than areas without beaver damming during both short and extended periods of drought…
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