Decline in black cherry regeneration may herald wider forest change

Reasons for more than a decade of black cherry regeneration decline in the Allegheny Hardwood Regions are not well-understood; a team of scientists looked at five leading hypotheses; they found that the most likely factors are pathogens and reduced nitrogen availability, and that black cherry may actually be a story of change on a much bigger scale.

from Top Environment News -- ScienceDaily https://ift.tt/31ftP5B