chilling requirements Journal Article 3 Concord 2 Henry David Thoreau 2 Massachusetts 2 invasive species 2 leaf out 2 mehr ... native species 2 phenology 2 Published Erratum 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 climate change adaptation 1 cottonwood 1 future climate projections 1 growing degree days 1 limits to adaptation 1 phenological decoupling 1 riparian forest ecology 1 seed release phenology 1 streamflow timing 1 temperate Fruit trees 1 willow 1 weniger ...