Douglas-fir trees are dying at a record pace in southwest Oregon. Learn what steps you can take to preserve forest health and improve wildfire resiliency in a warming climate.
Some plants absorb excess nitrates or oxalates from the soil and store them in plant tissues. Toxicity problems can occur in animals which feed on these plants.
Mylen Bohle, David Hannaway, Andy Hulting, Karin Neff |
Apr 2018 |
Educational gallery