Boreal and temperate tree species are adapted to the seasonally varying climatic conditions with their annual cycle of development so that the frost hardy dormant phase and the susceptible growth phase are synchronized with the seasonality of the climate. The annual cycle includes various attributes such as timing of bud burst and other phenological events, and seasonality of photosynthetic capacity or frost hardiness of the trees. During the last few decades dynamic ecophysiological models have been used increasingly in studies of the annual cycle, especially when projecting the ecological effects of climate change. These studies are reviewed and some additional new ideas on the topic are also introduced. A unifying notation is used throughout the book when discussing different aspects of the annual cycle. Main emphasis is on combining modelling with experimental studies and on the importance of the biological realism of the models
Since 1973, Storey's Country Wisdom Bulletins have offered practical, hands-on instructions designed to help readers master dozens of country living skills quickly and easily. There are now more than 170 titles in this series, and their remarkable popularity reflects the common desire of country and city dwellers alike to cultivate personal independence in everyday life.
A ghost in a deserted log cabin and an Indian spirit lurking in the surrounding woods are not what the four Plumroy cousins expected to encounter during a two-week summer vacation at their grandparents' home. They become amateur detectives as they investigate how the ghost, the Indian spirit, and three mysterious totem trees are related. As they seek answers to this mystery, they realize they are not the only ones searching for a solution.
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