I wrote in my previous toot that I'm not a #dendroclimatologist. If more skilled researchers can interpret, or use the section of our just cut down #spruce tree that was dying because of dark beetle, here are some good photos. Don't hesitate to comment.

It's from our garden very close to #Fontainebleau #forest, just south of Paris in France. (ruler in cm)

#dendroclimatology #climatechange