UC Santa Cruz (UCSC)

UC Santa Cruz (UCSC)

What A Decade Of Counting Seeds Tells Us About Future West Coast Forests

The 16-ha Forest Ecology Research Plot (FERP), established by Greg Gilbert in 2006, supports Pseudotsuga menziesii, Notholithocarpus densiflora, Sequoia sempervivens, Quercus agrifolia, and Arbutus menziesii. Both N. densiflora and A. menziesii are in decline. There are 21,003 mapped trees and 116 seed traps. The most common seed types are S. sempervivens, P. menziesii, and A. menziesii.

Water balance during study years, showing large summer deficits especially since 2013 (left), and longer-term anomalies in deficit and minimum winter temperatures (right).