How do conifers survive droughts? Study points to existing roots, not new growth

As the world warms, a new study is helping scientists understand how coniferous forests may respond to drought. The research addresses a classic question in the field: When conditions are dry for long periods of time, do trees survive by growing new roots to tap water sources, or by relying on established roots that already go deep?

from Latest Science News -- ScienceDaily https://ift.tt/3533pUk