Changes in the distribution of sub-alpine tree species in western North America have been
attributed to climatic change and other environmental stresses. These changes include tree …

Conifer mountain forests influence numerous human populations by providing a host of
critical economic, sociological, and ecosystem services. Although the causes of the …

The previous chapters have provided a first insight into the heterogeneity, complexity and
great physiognomic and ecological variety of the timberline phenomenon; a heterogeneity …

The importance of seedling establishment to the position ofalpine-treeline is recognized, yet
little is known about factorsaffecting the survival of seedlings of treeline conifers during their …

Four microsatellite DNA markers were developed which were used to examine the
relationship between landscape and population genetic structure among a set of …

1 Dendroecological techniques are used to reconstruct the recent population dynamics of
white spruce (Picea glauca) at the alpine treeline of north-western Canada in order to test …

Summary 1 Nothofagus pumilio forms an abrupt alpine timberline (AT) at 690 m asl on
Balseiro mountain, 54° S, Tierra del Fuego, Chile. Fruit and seed rain (quantity and quality) …

April-August temperatures are reconstructed from maximum latewood density and ring-width
data for a tree-line site in the Canadian Rockies of Alberta close to Athabasca Glacier. The …

Background Recent warming is affecting species composition and species areal distribution
of many regions. However, although most treeline studies have estimated the rates of forest …

The relationship between climate change and the dynamics of ecotonal populations of
mountain hemlock (Tsuga mertensiana [Bong.] Carr.) was determined by comparing climate …