Results 211 to 220 of about 6,770 (293)

Sex Determination in Sponges

open access: yesMolecular Reproduction and Development, Volume 93, Issue 6, June 2026.
ABSTRACT Sex determination in Porifera remains one of the least understood aspects of early metazoan biology despite the group's key phylogenetic position. Sponges display exceptional diversity in sexual systems—ranging from stable gonochorism to sequential hermaphroditism and sex reversal—yet lack morphological dimorphism and any discrete gonadal ...
Jose M. Lorente‐Sorolla, Ana Riesgo
wiley   +1 more source

Historical trends reveal significant increase in hot-dry extremes in Mexico's Bajío region. [PDF]

open access: yesEnviron Monit Assess
Rettie FM   +4 more
europepmc   +1 more source

Connections Between Surface and Subsurface Temperature Anomalies

open access: yesJournal of Geophysical Research: Oceans, Volume 131, Issue 6, June 2026.
Abstract Temperature anomalies, such as marine heatwaves and cold spells, are often studied as sea‐surface phenomena. Substantial temperature anomalies are also present in the subsurface, but subsurface temperature data are sparser. Here we use 1° × 1° × 7 day resolution ocean temperature maps from 1993 to 2023 to explore the dominant relation of ...
Sarah Packman   +2 more
wiley   +1 more source

Historical and Projected Tropical Cyclone Characteristics in SPEAR Large Ensemble Simulations

open access: yesEarth's Future, Volume 14, Issue 6, June 2026.
Abstract This study analyzes the climatology, variability, and key characteristics of tropical cyclones (TC) in future projections from the Seamless System for Prediction and EArth System Research (SPEAR) Large Ensemble, compared with historical simulations. TC genesis numbers are projected to significantly decrease, a trend that is partly explained by
Wenchao Chu   +7 more
wiley   +1 more source

The Fate of Western Headwaters: Climate Controls on Base‐Flow Decline

open access: yesEarth's Future, Volume 14, Issue 6, June 2026.
Abstract Headwater streams comprise nearly 88% of the western U.S. river network and supply most of the region's surface water, making them especially sensitive to warming, snowpack loss, and drought. As surface‐water inputs decline, groundwater increasingly sustains streamflow, elevating the need to understand long‐term trends in base flow and their ...
Caelum Mroczek   +2 more
wiley   +1 more source

Wildfire, Suppression, and Federal Spending, 2020–2100

open access: yesEarth's Future, Volume 14, Issue 6, June 2026.
Abstract Wildfire extent is growing in the United States (US), a fact attributable to increasingly favorable weather and climatic conditions and the net result of human interventions. US federal land management agencies act upon the wildfire threat by managing hazardous fuels, discouraging human‐caused ignitions, and suppressing active fires.
Jeffrey P. Prestemon   +9 more
wiley   +1 more source

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