KnowraOcean anoxiaLinked fromLinked fromThe 10 pages that link to Ocean anoxia, each with the reason it gives.All 10Related 10Permian–Triassic extinction eventRelated: Oxygen-poor waters spread through marine environments during the crisis.PermianRelated: Oxygen-poor seas expanded during the end-Permian crisis and intensified marine losses.DevonianRelated: Anoxic marine conditions are linked to several late Devonian extinction pulses.JurassicRelated: Episodes of oxygen-poor Jurassic seas affected marine communities and preserved organic-rich sediments.Snowball EarthRelated: Restricted exchange beneath sea ice could have altered oxygen levels in Cryogenian oceans.Large igneous provinceRelated: Volcanic warming and nutrient-cycle disruption can contribute to oxygen-poor oceans during crises.Siberian TrapsRelated: Warming and disrupted circulation contributed to oxygen loss in Permian–Triassic oceans.Late DevonianRelated: Anoxic waters spread across marine basins during several Late Devonian crises.Extinction eventRelated: Oxygen loss in the oceans can eliminate marine habitats across broad regions.Late Devonian mass extinctionRelated: Oxygen-poor waters spread across parts of the Devonian seafloor during extinction intervals.