1. Low internal energy reserves at the beginning of the breeding season may impose physiological constraints on an animal's reproductive investment and may alter the optimal trade-off between ...

Study co-author Dale Brockway (left) and Bladen Lakes State Forest supervisor Hans Rohr (right) survey longleaf pine trees in southeastern North Carolina. New research on tree reproduction is helping ...

This is a preview. Log in through your library . Abstract Information on bat diversity, reproduction, and sex ratios in the southeastern United States is limited, particulary in managed pine (Pinus ...

Climate change, hungry beetles and disease are threatening the survival of a high-elevation pine tree that’s a key source of food for grizzly bears and found across the Western United States, federal ...