Results 151 to 160 of about 168,259 (245)

Peat fires contribute disproportionately to Siberian fire carbon emissions. [PDF]

open access: yesSci Adv
Khairoun A   +9 more
europepmc   +1 more source

Retrogressive Thaw Slumps Produce a Changing Disturbance Regime for Arctic Stream Invertebrates

open access: yesGlobal Change Biology, Volume 32, Issue 3, March 2026.
Climate change is causing permafrost to thaw, resulting in the formation of large craters in the ground called thaw slumps, which deposit sediments and nutrients into rivers and continually impact stream ecosystems over time. We returned to slump impacted streams 10 years after an initial sample period and found that slumps permanently change streams ...
Maria Dolan   +7 more
wiley   +1 more source

Real-time PCR assay for robust detection and global surveillance of the Mycobacterium tuberculosis Haarlem genotype. [PDF]

open access: yesSci Rep
Tkachuk D   +32 more
europepmc   +1 more source

Siberia [PDF]

open access: yesJournal of Geography, 1914
openaire   +1 more source

KNaCaSi4O10 Obtained From Crystallization Experiments in the Quaternary System K2O–Na2O–CaO–SiO2

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 3, March 2026.
The compound KNaCaSi4O10 has been identified in crystallization experiments of glasses in the quaternary system K2O–Na2O–CaO–SiO2 and has undergone structural characterization. Vibrational spectroscopic data have been acquired and interpreted using density functional theory (DFT) calculations.
Volker Kahlenberg   +2 more
wiley   +1 more source

Heterogeneity of iridoid biosynthesis in catmints: Molecular background in a phylogenetic context

open access: yesJournal of Integrative Plant Biology, Volume 68, Issue 3, Page 694-718, March 2026.
Evolutionary gains and losses of key biosynthetic genes likely resulting from multiple independent evolutionary events explain why certain Nepeta (catnip) species produce both the active, cat‐attracting nepetalactones and sugar‐bound iridoids, while others make only the sugar‐bound forms, and some have lost iridoid production entirely.
Tijana Banjanac   +15 more
wiley   +1 more source

Patterns and Determinants of Mortality in Grey Wolves (Canis lupus)

open access: yesMammal Review, Volume 56, Issue 1, March 2026.
This systematic review reveals the global patterns and drivers of grey wolf mortality, highlighting the high mortality risk associated with human coexistence for this cursorial carnivore, and reshaping previous knowledge to guide management and conservation strategies.
Ana Morales‐González   +5 more
wiley   +1 more source

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