Branch elongation and diameter growth were temporally dissociatedin "cerrado" tree species
نویسندگان
چکیده
منابع مشابه
Dependency of branch diameter growth in young Acer trees on light availability and shoot elongation.
Many biomechanical and theoretical studies have been based on the pipe-model theory, according to which a tree is regarded as an assemblage of pipes, each having the same amount of leaf area or leaf mass. However, the physiological mechanisms underlying the theory have not been extensively examined, particularly at the branch level. We analyzed how branches and trunks thickened in nine young Ac...
متن کاملPredicting maximum branch diameter from crown dimensions, stand characteristics and tree species
Forest resource inventories must include wood quality information to support the optimum use of wood fibre. The objective of this study was to develop models relating maximum live branch diameter (MBD), which affects lumber value, to tree and stand characteristics that can be measured through current and emerging remote sensing technologies. Using non-linear mixed effects models for six Canadia...
متن کاملOptimal Diameter Growth Equations for Major Tree Species of the Midsouth
Optimal diameter growth equations for 60 major tree species werefit using the potential relat ive increment (PRI) methodology. Almost 175,000 individualsfrom the Midsouth (Arkansas , Louis iana, Missouri, Oklahoma, and Texas) were selectedfrom the USDA Forest Service’s Eastwide Forest Inventory Database (EFIDB). These records were then reduced to the individualsgrowing at thefastest rategiven t...
متن کاملSpatial Genetic Structure and Life History Traits in Cerrado Tree Species: Inferences for Conservation
Spatial Genetic Structure (SGS) is correlated with life history traits and is affected by ecological and demographic processes. We discuss here the SGS within populations of three species from Cerrado Biome, Caryocar brasiliense, Dipteryx alata and Tibouchina papyrus, which vary in life history traits. Our working hypothesis was that self-incompatible and wind-dispersed species present no SGS d...
متن کاملDiameter-Constrained Steiner Tree
Given an edge-weighted undirected graph G = (V,E, c, w), where each edge e ∈ E has a cost c(e) and a weight w(e), a set S ⊆ V of terminals and a positive constant D0, we seek a minimum cost Steiner tree where all terminals appear as leaves and its diameter is bounded by D0. Note that the diameter of a tree represents the maximum weight of path connecting two different leaves in the tree. Such p...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Hoehnea
سال: 2009
ISSN: 2236-8906
DOI: 10.1590/s2236-89062009000300005