Thermal suppression of gametogenesis can explain historical collapses in larval recruitment in Strongylocentrotus purpuratus.

ABSTRACT: Projections for population viability under climate change are often made using estimates of thermal lethal thresholds. These estimates vary across life history stages and can be valuable for explaining or forecasting shifts in population viability. However, sublethal temperatures can also depress vital rates and shape fluctuations in the reproductive viability of populations. For example, heatwaves may suppress reproduction, causing recruitment failure before lethal temperatures are reached. Despite a growing awareness of this issue, tying sublethal effects to observed recruitment failure remains a challenge especially in marine environments. For the urchin Strongylocentrotus purpuratus, larval supply is known to decline near the southern edge of the range during marine heatwaves despite t

SUBMITTER: Okamoto DK 

PROVIDER: S-EPMC12583514 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature