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Can the solar cycle and climate synchronize the snowshoe hare cycle in Canada? Evidence from tree rings and ice cores
Download1993
Dale, M., Gosline, J.M., Sinclair, A.R., Boonstra, R., Smith, J.N., Holdsworth, G., Boutin, S., Krebs, C.J.
Dark marks in the rings of white spruce less than 50 yr old in Yukon, Canada, are correlated with the number of stems browsed by snowshoe hares. The frequency of these marks is positively correlated with the density of hares in the same region. The frequency of marks in trees germinating between...
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Climate and nutrient influences on the growth of white spruce trees in the boreal forests of the Yukon
Download2008
Krebs, C.J., Boonstra, R., Desantis, L., Hik, D.S.
The boreal forests of North America are undergoing major changes because of the direct effects of global warming and increased CO2 levels. Plant production in the boreal forest is nutrient limited, and we examined how long-term fertilization affected growth of white spruce Picea glauca in the...