Results 211 to 220 of about 173,992 (333)

Five decades of hand‐feel soil texture estimation: Accuracy, challenges, and improvements

open access: yesSoil Science Society of America Journal, Volume 90, Issue 3, May/June 2026.
Abstract Soil texture refers to the proportion of fine soil particles with diameters less than 2 mm, classified into particle size categories that define the soil texture class. Hand‐feel estimation in the field is widely used by soil scientists and technicians during pedological surveys to characterize soil horizons.
Roberto Barbetti   +4 more
wiley   +1 more source

Habitat Specialization and Airborne Dispersal Shape the Microbiome of a Gypsum Karst Cave. [PDF]

open access: yesMicrob Ecol
Martin-Pozas T   +7 more
europepmc   +1 more source

Constraining the Hydration of Clay Minerals and Abundances of Amorphous Phases in Gale Crater, Mars

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 5, May 2026.
Abstract Both water and organic matter are required for the development and persistence of life. Phyllosilicates (clay minerals) have high surface areas that easily sorb water and organic matter. The Curiosity rover has investigated several hundred meters of stratigraphy in Gale crater, including where clays were detected from orbit.
Sean Czarnecki   +3 more
wiley   +1 more source

Post‐Eocene 90° CCW Rotation of Sardinia‐South Corsica: Paleomagnetic Evidence From Permian‐Cretaceous Sediments of Nurra (NW Sardinia)

open access: yesTectonics, Volume 45, Issue 5, May 2026.
Abstract The paleomagnetism of Miocene calc‐alkaline volcanics and sediments from Sardinia has firmly showed that the Corsica‐Sardinia microplate rotated 50°–60° counterclockwise (CCW) with respect to Europe between 21 and 15 Ma, during its drift from the Provencal margin. However, Permian to Eocene rocks from central‐south Sardinia revealed higher (up
Gaia Siravo   +3 more
wiley   +1 more source

Evaluating the restoration of plant ecological interactions in gypsum mines with species co‐occurrences analyses

open access: yesJournal of Applied Ecology, Volume 63, Issue 5, May 2026.
These case studies suggest that both seed‐based and seedling‐based approaches can restore pairwise species interactions to a similar extent. The seedling‐based method, although more expensive, provides immediate visual impact by directly introducing canopy‐forming species into the system.
Johannes Hirn   +10 more
wiley   +1 more source

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