قسم · 4 موضوعات
المناخ والبيئة وإعادة التدوير والمحيطات وعلوم الأرض
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Radiocarbon dating at 1 cm resolution revealed event layers in a 40 cm core that X-ray and CT missed; some match recorded earthquakes of the 13th–20th centuries.
The Guizhou forestry bureau reported a new species of the genus Scincella from the Kuankuoshui and Dashahe reserves; the work appeared in Zoosystematics and Evolution.
Researchers measured crust about 13 km thick at the centre of the Turkana Rift between Kenya and Ethiopia. Thinning began about four million years ago; the study sets no date for a new ocean.
Researchers also recorded fewer calves and more entanglements; Olaf Meynecke says early sea ice melt and less food may be factors.
In a field study of 77 redwoods burned in the 2020 CZU Lightning Complex, basal resprouting did not decline with greater fire damage but increased. Drier sites showed less.
Authors of a Current Biology study modelled over 8,000 North American fossils and found detection odds fell while habitat occupancy stayed stable for four dinosaur clades.
Fecal DNA from seven islands gave the first peer-reviewed coyote population estimate for any barrier island: 45–61 animals per season, despite removals.
Geological records and simulations show that two earthquakes triggered subaqueous delta collapses in an Italian lake; the authors link the delta's instability to human-driven erosion.
A global simulation for 1960–2019 sorted land by groundwater recovery after drought: 57% resilient, 15% vulnerable, 26% unstable, where repeated droughts cut recovery capacity.
Researchers documented active deformation of two newly identified slopes in West Greenland; simulations show a collapse of the larger one would send a tsunami through the whole fjord system.
Researchers at Pukyong National University link the decline of Todarodes pacificus to marine heat waves. The current catch is one-sixteenth of the 2002 level.
The project will test the full chain on CO₂ from a real flue gas stream at EEW's Eschbach site; earlier, the steps were shown in a 2020 experimental unit.
Researchers define large-scale monsoon onset at a location as its joining the largest cluster of rainfall onsets, which separates the monsoon from short local rain spells.
Samples from 38 stations show that the molecular composition of dissolved organic matter in the Weddell Sea is set before dense shelf water mixes with warmer off-shelf water.
DRI researchers analyzed 10 Arctic ice cores and estimate that Anaconda emissions exposed about 50.5 million Americans to arsenic levels linked to higher lung cancer risk.
Per-visit pollen transfer was higher for hummingbirds than for bees, even though bees visited more often. Bee visitation did not decline with elevation, the authors report.
Blood samples from ten males before and after they gained a territory showed altered DNA methylation linked to genes for brain and body development. The DNA sequence itself is unchanged.
Researchers at the Norwegian University of Science and Technology report that fertilising fields with toilet waste returned Ascaris to the food of Nidaros residents.
Researchers at Pukyong National University linked the collapse of the Japanese flying squid fishery in the East Sea to warming and heatwaves. Their projections show zero catch by the 2040s.
During a five-day dust intrusion, bacteria from drylands and marine environments replaced local ones at 42 and 323 m, while fungi stayed unchanged, the authors report.
