eleitl@lemm.eeM to Collapse@lemm.ee · 4 days agoMicroplastics discovered in caddisfly casings from the 1970s suggest long-term contaminationphys.orgexternal-linkmessage-square4fedilinkarrow-up127arrow-down10cross-posted to: science@lemmy.worldscience@mander.xyzcollapse@sopuli.xyzenvironment@beehaw.orgscience@lemmy.today
arrow-up127arrow-down1external-linkMicroplastics discovered in caddisfly casings from the 1970s suggest long-term contaminationphys.orgeleitl@lemm.eeM to Collapse@lemm.ee · 4 days agomessage-square4fedilinkcross-posted to: science@lemmy.worldscience@mander.xyzcollapse@sopuli.xyzenvironment@beehaw.orgscience@lemmy.today
minus-squarenotfromhere@lemmy.onelinkfedilinkarrow-up2·4 days agoI wonder if microplastics can be found in older samples as well. Do microplastics predate industrialization? Not saying this is likely, but maybe we’re seeing something that was always there.
minus-squareeleitl@lemm.eeOPMlinkfedilinkarrow-up1·3 days agoWhat we know is that they easily migrate into older sediment layers, so being less useful as dating markers.
I wonder if microplastics can be found in older samples as well. Do microplastics predate industrialization? Not saying this is likely, but maybe we’re seeing something that was always there.
What we know is that they easily migrate into older sediment layers, so being less useful as dating markers.