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"Trees Growth."
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A tree grows up
Examines \"how an acorn grows up to be an oak tree, [including] the stages of growth of a tree throughout the seasons and year ... Also introduces the happenings around the tree, from children playing in its shade to squirrels climbing up its trunk and birds nesting in its branches\"--Amazon.com.
Book
Forest growth and yield modeling
\"Completely updated and expanded new edition of this widely cited book, Modelling Forest Growth and Yield, 2nd Edition synthesizes current scientific literature, provides insights in how models are constructed, gives suggestions for future developments, and outlines keys for successful implementation of models.The book describes current modeling approaches for predicting forest growth and yield and explores the components that comprise the various modeling approaches. It provides the reader with the tools for evaluating and calibrating growth and yield models and outlines the steps necessary for developing a forest growth and yield model\"--
eBook
The genius of trees : how trees mastered the elements and shaped the world
Taking us on an awe-inspiring journey through deep history and across the globe, 'The Genius of Trees' restores trees to their rightful position not as victims of our negligence but as ingenious, stunningly inventive agents in a grand ecological narrative. Some have been using fire as a reproductive tool since prehistoric times. Others have gone to extraordinary lengths to make sure their fruits reach large primates, who can spread their seeds over vast distances, while poisoning smaller and less useful mammals. Some can split solid rock and create fertile ground in barren landscapes, effectively building entire ecosystems from scratch. For the first time, we witness the inventive and astonishing ways trees sculpt and even master their environment and understand the science of how they achieve these feats.
BOOK
Half-century evidence from western Canada shows forest dynamics are primarily driven by competition followed by climate
Significance Forests worldwide have undergone rapid changes; however, understanding the causes of the changes has been a challenge. Climate on the regional scale has been overwhelmingly presumed to drive these changes, with little attention paid to the possible effects of competition. We compiled a long-term forest dataset from western Canada to study the relative importance of climate change and competition on tree growth, mortality, and recruitment. We showed that competition was the primary factor causing the long-term changes. Regional climate had a weaker yet significant effect on tree mortality, but no effect on tree growth and recruitment. This finding suggests that forest studies focused solely on the effects of climate may overlook the effect of other processes critical to forest dynamics.
Tree mortality, growth, and recruitment are essential components of forest dynamics and resiliency, for which there is great concern as climate change progresses at high latitudes. Tree mortality has been observed to increase over the past decades in many regions, but the causes of this increase are not well understood, and we know even less about long-term changes in growth and recruitment rates. Using a dataset of long-term (1958–2009) observations on 1,680 permanent sample plots from undisturbed natural forests in western Canada, we found that tree demographic rates have changed markedly over the last five decades. We observed a widespread, significant increase in tree mortality, a significant decrease in tree growth, and a similar but weaker trend of decreasing recruitment. However, these changes varied widely across tree size, forest age, ecozones, and species. We found that competition was the primary factor causing the long-term changes in tree mortality, growth, and recruitment. Regional climate had a weaker yet still significant effect on tree mortality, but little effect on tree growth and recruitment. This finding suggests that internal community-level processes—more so than external climatic factors—are driving forest dynamics.
Journal Article
As an oak tree grows
\"From 1775 to the present, the landscape around a lone oak tree goes through significant changes\"-- Provided by publisher.
Book
The happiest tree : a story of growing up
The story of a ginkgo tree's experiences as it grows outside an apartment building.
Book
The case of the wooden timekeeper
\"The Case of the Wooden Timekeeper follows characters Scout and Daisy as they learn about trees. The book features Field Notes with more information about trees and a Nature Craft for kids to make at home.\"-- Provided by publisher.
Book
3,500-year tree-ring record of annual precipitation on the northeastern Tibetan Plateau
An annually resolved and absolutely dated ring-width chronology spanning 4,500 y has been constructed using subfossil, archaeological, and living-tree juniper samples from the northeastern Tibetan Plateau. The chronology represents changing mean annual precipitation and is most reliable after 1500 B.C. Reconstructed precipitation for this period displays a trend toward more moist conditions: the last 10-, 25-, and 50-y periods all appear to be the wettest in at least three and a half millennia. Notable historical dry periods occurred in the 4th century BCE and in the second half of the 15th century CE. The driest individual year reconstructed (since 1500 B.C.) is 1048 B.C., whereas the wettest is 2010. Precipitation variability in this region appears not to be associated with inferred changes in Asian monsoon intensity during recent millennia. The chronology displays a statistical association with the multidecadal and longer-term variability of reconstructed mean Northern Hemisphere temperatures over the last two millennia. This suggests that any further large-scale warming might be associated with even greater moisture supply in this region.
Journal Article