Population dynamics of black spruce and white spruce near the arctic tree line in the southern Brooks Range, Alaska

Autor:	Christopher L. Fastie, Alexis E. Wilson, Andrea H. Lloyd, R. Matthew Landis
Rok vydání:	2005
Předmět:	Global and Planetary Change education.field_of_study Geography Ecology fungi Population Forestry education Black spruce Tree line The arctic
Zdroj:	Canadian Journal of Forest Research. 35:2073-2081
ISSN:	1208-6037 0045-5067
DOI:	10.1139/x05-119
Popis:	Black spruce (Picea mariana (Mill.) BSP) is the dominant species in interior Alaska but it is largely absent from the arctic tree line. To evaluate the importance of climate and fire as controls over the species distribution, we reconstructed stand history at three sites near its northern limit in Alaska, where it grows with white spruce (Picea glauca (Moench) Voss). We developed a matrix model to explore black spruce population dynamics and response to varying fire intervals. All sites burned in the early 1900s. High recruitment of black spruce occurred for
Databáze:	OpenAIRE
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