Compared to natural selection, domestication implies a dramatic change in traits linked to fitness. A number of traits conferring fitness in the wild might be detrimental under domestication, and domesticated species typically differ from their ancestors in a set of traits known as the domestication syndrome. Specifically, trade-offs between growth and reproduction are well established across t...

All individuals of Cedrela lilloi (a valuable timber species of Meliaceae) > 4 cm DBH were sampled in three rectangular plots (c. 15 000 m each) in northwestern Argentina subtropical montane forests between 850 and 1350 m. Regeneration dynamics of C. lilloi was characterized by testing two hypotheses: (i) C. lilloi has a gap-phase regeneration mode, which implies a negative exponential size/age...

Tree location and tree attributes are valuable elements of municipal tree management systems. By creating the tree data in Geographic Information System, users have access to other digital data that can be used in conjunction with tree database. A study was conducted at the Universiti Putra Malaysia's arboretum with an objective to establish a computerized information system for Universiti Putr...

Studies of forest declines are important, because they both reduce timber production and affect successional trajectories of landscapes and ecosystems. Of particular interest is the decline of red pines which is characterized by expanding areas of dead and chlorotic trees in plantations throughout the Great Lakes Region. Here we examine the impact of two bark beetle groups, namely red turpentin...

This research work aims at application of sensing and mapping technology which has been developed with mobile robotics to equipment measurement of forest trees. One of the key information for forest management in artificial forest is the records of the tree sizes and standing timber volume of a unit area. The authors made measurement equipment as trial production which consists of small sized l...

Past silvicultural treatments have resulted in the high-grading mixed temperate forests of Québec, Canada. Despite recognition of this issue, the low occurrence of yellow birch (Betula alleghaniensis Britton) within current stands raises questions about the potential of the species to grow and eventually constitute a high-quality forest resource. The objective of this study was to assess this p...

Trees and forests are, because of seasonal changes and their size, shape, and color, the most prominent elements of urban nature. Their benefits and uses range from intangible psychological and aesthetic benefits to amelioration of urban climate and mitigation of air pollution. Historically the main benefits of urban trees and forests relate to health, aesthetic and recreational benefits in ind...

Timber stumpage prices exhibit considerable volatility, which has a tremendous effect on the long-term returns associated with growing timber. Predicting trends in the market occupies a great deal of effort in forest economics research and practice. But what are the possible gains from having the ability to predict the future of timber stumpage markets? On the stand-level, forward-recursive dyn...