scholarly journals A functional model of tree growth and tree architecture.

Silva Fennica ◽  
1997 ◽  
Vol 31 (3) ◽  
Author(s):  
Philippe de Reffye ◽  
Daniel Barthélémy ◽  
Frédéric Blaise ◽  
Thierry Fourcaud ◽  
François Houllier
Keyword(s):  
Tree Growth ◽  
Functional Model ◽  
Tree Architecture

scholarly journals MODEL ARSITEKTUR POHON ARBORETUM UNIVERSITAS LANCANG KUNING SEBAGAI PENUNJANG PEMBELAJARAN

2018 ◽  
Vol 13 (1) ◽  
pp. 39-54
Author(s):  
Hadinoto Hadinoto ◽  
Eni Suhesti
Keyword(s):  
Direct Observation ◽  
Tree Growth ◽  
Plant Architecture ◽  
Descriptive Analysis ◽  
Tree Architecture ◽  
Growth Series ◽  
Architecture Model ◽  
Research Facilities ◽  
Morphological Representation ◽  
Branching Architecture

Arboretum is an example of forest which is a collection of trees which is a form of conservation of human-made germplasm. Arboretum with various vegetation containing scientific values ​​can be used as an open laboratory for student education and research facilities. The pattern of branching plants will form a form of plant architecture. The branching architecture is a morphological representation of a particular phase of a series of tree growth series, real and observable at all times. This research was conducted by conducting a survey (survey) and direct observation of the model of bamboo branching architecture in plants located in the research location. Identification of tree architecture model using book by F. Halle & R.A.A.Oldeman, namely: An Essay On The Architecture and Dynamics of Growth of Tropical Trees. Each tree is observed and photographed, as research documentation. Analysis conducted in this research is descriptive analysis to the type and shape of architectural architecture of Arboretum University of Lancang Kuning. Based on the results of research that has been done, can be drawn conclusion as follows: obtained 10 shapes / models of tree architecture of 41 species of trees (diamater ≥ 20 cm).

scholarly journals SIMWAL: A structural-functional model simulating single walnut tree growth in response to climate and pruning

2000 ◽  
Vol 57 (5) ◽  
pp. 571-585 ◽  
Author(s):  
Philippe Balandier ◽  
Andr� Lacointe ◽  
Xavier Le Roux ◽  
Herv� Sinoquet ◽  
Pierre Cruiziat ◽  
...  
Keyword(s):  
Tree Growth ◽  
Functional Model ◽  
Walnut Tree

scholarly journals Parametric identification of a functional - structural tree growth model and application to beech trees (Fagus sylvatica)

2008 ◽  
Vol 35 (10) ◽  
pp. 951 ◽  
Author(s):  
Véronique Letort ◽  
Paul-Henry Cournède ◽  
Amélie Mathieu ◽  
Philippe de Reffye ◽  
Thiéry Constant
Keyword(s):  
Fagus Sylvatica ◽  
Tree Growth ◽  
Parametric Identification ◽  
Critical Issue ◽  
Tree Architecture ◽  
Specific Description ◽  
Fagus Sylvatica L ◽  
Species Specific ◽  
Tree Growth Model ◽  
Source Sink

Functional–structural models provide detailed representations of tree growth and their application to forestry seems full of prospects. However, owing to the complexity of tree architecture, parametric identification of such models remains a critical issue. We present the GreenLab approach for modelling tree growth. It simulates tree growth plasticity in response to changes of their internal level of trophic competition, especially topological development and cambial growth. The model includes a simplified representation of tree architecture, based on a species-specific description of branching patterns. We study whether those simplifications allow enough flexibility to reproduce with the same set of parameters the growth of two observed understorey beech trees (Fagus sylvatica L.) of different ages in different environmental conditions. The parametric identification of the model is global, i.e. all parameters are estimated simultaneously, potentially providing a better description of interactions between sub-processes. As a result, the source–sink dynamics throughout tree development is retrieved. Simulated and measured trees were compared for their trunk profiles (fresh masses and dimensions of every growth units, ring diameters at different heights) and compartment masses of their order 2 branches. Possible improvements of this method by including topological criteria are discussed.

Effects Of Weather On Tree Growth

1901 ◽  
Vol 22 (1) ◽  
pp. 71-88
Author(s):  
C. E. Hall
Keyword(s):  
Tree Growth

Link augmented binary (LAB)-tree architecture

1993 ◽  
Vol 140 (2) ◽  
pp. 127 ◽  
Author(s):  
R. Mittal ◽  
B.N. Jain ◽  
R.K. Patney
Keyword(s):  
Tree Architecture

Increasing intrinsic water-use efficiency over the past 160 years does not stimulate tree growth in southeastern China

2018 ◽  
Vol 76 (2) ◽  
pp. 115-130 ◽  
Author(s):  
G Guo ◽  
K Fang ◽  
J Li ◽  
HW Linderholm ◽  
D Li ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Tree Growth ◽  
Southeastern China ◽  
The Past ◽  
Intrinsic Water Use Efficiency ◽  
Use Efficiency

Reconstruction of maximum temperature on Zhegu Mountain, western Sichuan Plateau (China)

2020 ◽  
Vol 81 ◽  
pp. 1-14
Author(s):  
M Keyimu ◽  
Z Li ◽  
Y Zhao ◽  
Y Dong ◽  
B Fu ◽  
...  
Keyword(s):  
Tree Growth ◽  
Ring Width ◽  
Volcanic Eruptions ◽  
Southwestern China ◽  
Maximum Temperature ◽  
Driving Mechanism ◽  
Western Sichuan ◽  
Relationship Analysis ◽  
Decadal Scale ◽  
Thermal Variability

Historical temperature reconstructions at high altitudes are still insufficient in southwestern China, which is considered one of the most sensitive areas to climate change in the world. Here we developed a tree ring-width chronology of Faxon fir Abies fargesii var. faxoniana at the upper timber line on Zhegu Mountain, Miyaluo Scenic Area, western Sichuan, China. The climate-tree growth relationship analysis indicated temperature as the dominant regulator on radial tree growth in this region. The reconstruction of aggregated maximum temperature (TMX) of autumn and winter for the period 1856-2016 was achieved with a linear regression model that accounted for 43.6% of the actual variability in the common time series (1954-2016). The reconstruction identified 4 warm periods and 3 cold periods. Similarities of warm and cold periods with previously published reconstructions from nearby sites indicated the reliability of our reconstruction. The significant positive correlation between TMX reconstruction and the Asian-Pacific Oscillation index and the Atlantic Multi-decadal Oscillation index suggested a linkage between large-scale climate circulations and the thermal variability at a multi-decadal scale on the western Sichuan Plateau. We also found that solar activity exerted a strong influence on decadal temperature variability in this region. The cold periods were matched well with historical large volcanic eruptions. Our results strengthen the historical climatic information in southwestern China and contribute to further understanding the regional thermal variability as well as its driving mechanism.

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