Here in the Allagash region, the northern hardwood transition forest meets the boreal spruce-fir forest that sweeps across Canada and the top of the United States. Therefore, the forest types that ...

Natural color imagery shows the forest and desert landscapes around the Grand Canyon. Infrared imagery highlights healthy ...

When Steyaert asked him about mapping the forest of 1650—after native land use ... painstakingly mapping the distribution of plants across the United States. Küchler considered soil types and climate ...