Photo: Jessie Young-Robertson demonstrates how a device measures tree water content. The UAF ecologist is using the data to help the best times of year to harvest firewood. UAF photo by JR Ancheta While studying how trees take up snowmelt and rainwater, Jessie Young-Robertson noticed dramatic seasonal variations in the water content in the trees, […]
[dropcap]N[/dropcap]EWPORT, Ore. – Blue whales reach their massive size by relying on their exceptional memories to find historically productive feeding sites rather than responding in real time to emerging prey patches, a new study concludes. Researchers examining records of both whale migration and oceanic conditions in the California Current Ecosystem found that blue whales almost perfectly […]
It’s no secret that human activities affect fish, particularly those that must migrate to reproduce. Years of building dams and polluting rivers in some regions have left fish such as salmon struggling to return to their home streams and give birth to the next generation. A new University of Washington study points to yet another […]