Known as pioneering species for their inclination to grow in recently deglaciated terrain, rocky hillsides, and other recently deforested or flooded areas, the mostly deciduous Alders are widespread throughout Alaska.

Jul 18, 2023 · Alder trees, which are in the same family as birch trees, prefer moist soil near waterways or natural drainage systems. With the proper setup, the alder tree can live 100 years, which isn’t very old for a tree.

Alders are trees of the genus Alnus in the birch family Betulaceae. The genus includes about 35 species [2] of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few species extending into Central America, as well as the northern and southern Andes. [1]

Jun 1, 2021 · Because something strange is happening in the Far North. This valley marks the northern treeline, the diffuse boundary beyond which the mountains and tundra stretch treeless to the Arctic Ocean....

Sep 10, 2015 · Often found around road cuts, landslides and other recent disturbances, alders are a terrific hiking obstacle, with ankle-catching curved stems and leaves at face level. The opportunistic plant is often the one scientists refer to when they say the Arctic is getting shrubbier. Ruess has a notion why alders stay green in the fall.

Thinleaf alder is an open, spreading shrubby tree or shrub, growing from 15 to 39 feet (4.6-12 m) tall [120,345] and usually less than 4 inches (10 cm) in stem diameter . It often forms thickets along streams [179,231,242,345], although on upland sites it …

SPECIES: Alnus viridis subsp. crispa GENERAL DISTRIBUTION : Mountain alder is widely distributed throughout interior, central, and northern Alaska across the Yukon Territory and interior Canada to Labrador, Newfoundland, and Greenland. It extends south through New England and the Great Lakes States, and into the Pacific Northwest.

Often found around road cuts, landslides and other recent disturbances, alders are a terrific hiking obstacle, with ankle-catching curved stems and leaves at face level. The opportunistic plant is often the one scientists refer to when they say the Arctic is getting shrubbier. Ruess has a notion why alders stay green in the fall.

Alaska arctic mesic alder shrublands are widespread but uncommon on mountain slopes, hillslopes, and small steep streams throughout arctic Alaska. Patch size is typically small.

Alder is a large shrub, 3 to 8 meters tall. It is widespread and found in moist and mesic soils. Alder flowers are called catkins, and are grouped into female and male clusters. Female catkins are woody and resemble tiny pinecones when mature, whereas male catkins are elongated, drooping, and red in colour.