المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : In California's Protected Waters, Counting Fish Without Getting Wet


ahlam1399
09-08-2015, 12:47 PM
Using divers to monitor whether life is returning to the 100 or so marine protected areas is pricey. **w, advances in DNA sequencing mean scientists just need a seawater sample to do a marine census.

أكثر... (http://www.npr.org/2015/09/08/438370663/in-californias-protected-waters-counting-fish-without-getting-wet?utm_medium=RSS&utm_campaign=news)