A new study examines how trees respond to different urban intensities by comparing tree size and age, foliage nitrogen signature, nutrient and heavy metal content and other factors in forests. Not only were the trees acclimated to urban conditions in the higher density Philadelphia forests, but the red maples there were actually healthier and more productive compared to those surrounded by less urbanization in Newark.
from Latest Science News -- ScienceDaily https://ift.tt/3o1zhTZ
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