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Ecology, evidence and perspective.

At 30 meters, Czech modeled fire behavior looked much more severe than at 100 meters

EvidencePeer-reviewedGeographyCzech RepublicSystemForest and agricultural wildfire landscape WHAT THE EVIDENCE SAYS A national 30-m fuel classification produced markedly more modeled high-rate spread, long flame lengths and high fireline intensity than a 100-m European fuel product under otherwise

Heat during pupation kept killing bumblebees after emergence

EvidencePeer-reviewedGeographyControlled laboratory experiment, GermanySystemPollinator developmental ecology WHAT THE EVIDENCE SAYS In vitro Bombus terrestris pupae exposed to cyclic 37°C or 38°C heat had lower emergence than the 34°C treatment, and surviving adults showed elevated post-emergence

Seasonal livestock maps can separate where grazing pressure actually occurs

EvidencePeer-reviewedGeographyChina grazing-production systemsSystemRangelands / pastoral systems WHAT THE EVIDENCE SAYS A new dataset reconstructs 1-km warm- and cold-season distributions of cattle and sheep/goats across China from 2000–2021 using a stacking ensemble. Internal test performance was

A 3,400-metagenome atlas brings freshwater microeukaryotes into species-resolved view

EvidencePeer-reviewedGeography362 lakes across seven continentsSystemFreshwater lakes / microbial eukaryotes WHAT THE EVIDENCE SAYS Researchers assembled a global mitochondrial genomic atlas from more than 3,400 freshwater metagenomes spanning 362 lakes on seven continents, recovering roughly 20,000 mitochondrial metagenome-assembled

Thaw can unlock missing microbial functions—and more greenhouse gas production

EvidencePeer-reviewedGeographyExperimental soils spanning four widespread permafrost typesSystemPermafrost soils WHAT THE EVIDENCE SAYS In 389-day incubations across four permafrost types, adding multifunctional active-layer microbial inocula increased carbon dioxide production by roughly 20–60% across all soils and triggered

Drylands can green and become less stable at the same time

EvidencePeer-reviewedGeographyGlobal drylandsSystemDrylands / rangelands WHAT THE EVIDENCE SAYS A 1982–2020 analysis found persistent vegetation greening across global drylands alongside increasing interannual variability over much of the domain. Increasing seasonal maxima and declining minima can coexist in the same long-