Sudden oak death on rise, including at Bear Valley.

At the Point Reyes National Seashore’s most frequented visitor center, where 350,000 visitors pass annually, a stand of trees is streaked deep brown. The oaks and tanoaks are succumbing to phyophthora ramorum, a pathogen that has devastated forests in coastal California and Oregon since its arrival on the West Coast in the ’90s.

https://www.ptreyeslight.com/article/sudden-oak-death-rise-including-bear-valley

Publicado el 15 de noviembre de 2017 por biohexx1