Wood Growth Determined from Growth Ring Analysis in Red Pine (Pinus Resinosa) Trees Forced to Lean by a Hurricane

IAWA Journal ◽  
1991 ◽  
Vol 12 (3) ◽  
pp. 263-274 ◽  
Author(s):  
A. E. Akachuku
Keyword(s):  
Growth Ring ◽  
Ring Width ◽  
Pinus Resinosa ◽  
Wood Formation ◽  
Red Pine ◽  
Tree Age ◽  
Lower Side ◽  
Annual Increment ◽  
Growth Ratio ◽  
Ring Analysis

Leaning red pine (Pinus resinosa) trees at Harvard Forest in Petersham, Massachusetts, U.S.A., were sampled for wood growth studies 50 years after they were displaced by a hurricane. Before the hurricane incursion, ring width varied among trees and from year to year but not among radiL After the hurricane, between-tree variation in ring width was again significant but it was not appreciably due to angle of displacement (AOD) of the bole. Wood growth distribution along the bole in the leaning trees was complex. Between- radius variation in ring width was significant in the leaning boles; ring width was largest on the lower side. On the average ring width decreased as tree age increased but the variation was much less on the upper than on the lower side. Ring area tended to decrease with increase in age but the relationship was strongest in the least displaced bole and vice versa. Asymmetrie growth ratio increased with AOD of a bole and varied with year of wood formation but was not related to cambium age. Graphs of height above the ground on percentage pith eccentricity exhibited a sinuous shape like that of the trees. Cumulative growth and mean annual increment of height and volume increased with tree age. Current annual increment of height and volurne decreased for 9 and 5 years after the hurricane and after the 64th and 69th year of the tree, respectively. Form factor increased after pruning but decreased later with age. Precipitation was not closely related to ring width in the leaning boles.

GROWTH AND MORPHOGENESIS IN THE CANADIAN FOREST SPECIES: II. SPECIFIC INCREMENTS AND THEIR RELATION TO THE QUANTITY AND ACTIVITY OF GROWTH IN PINUS RESINOSA AIT.

1957 ◽  
Vol 35 (4) ◽  
pp. 527-572 ◽  
Author(s):  
G. H. Duff ◽  
Norah J. Nolan
Keyword(s):  
Apical Meristem ◽  
Specific Growth ◽  
Volume Growth ◽  
Ring Width ◽  
Pinus Resinosa ◽  
Forest Species ◽  
Annual Increment ◽  
Wood Volume ◽  
Two Measures ◽  
The Mean

Two measures are needed to describe numerically the activity of the internodal cambium in terms of annual increment. These are "specific wood volume increment", a measure of additive growth and "specific increment of cambial area", a measure of multiplicative growth. The mean area of the internodal cambium is the basis of reference for both since it is the measure of that which is active in growth. The former measure of specific growth is numerically equal to ring width and the manner of its factorial control has already been considered. Data for the latter are new.The geometry of the apical meristem and its products is too complex for the ready computation of specific terminal growth, but it can be shown empirically that internode length is a valid measure of apical activity. Analysis of internodal wood volume growth into its three linear components leads to the conclusion that the determinants in control of wood growth act mainly through their effect upon apical activity and upon specific increment of cambial area.

scholarly journals Growth and yield estimation of Chamaecyparis spp. through tree ring analysis

2013 ◽  
Vol 22 (2) ◽  
pp. 36-42 ◽  
Author(s):  
D. K. Kharal ◽  
T. Fujiwara
Keyword(s):  
Tree Ring ◽  
Radial Growth ◽  
Ring Width ◽  
Forest Products ◽  
Growth And Yield ◽  
Tree Age ◽  
Biomass Estimation ◽  
Tree Ring Analysis ◽  
Ring Density ◽  
Ring Analysis

Tree ring analysis is one of the most useful methods in volume and biomass estimation especially of the conifer trees. Ring width and ring density are important parameters in dendrochronological research. The present research was carried out with the aim of estimating the radial and volumetric growth of the Japanese Cypress trees (Chamaecyperis obstusa and C. pisifera). Destructive method was used while collecting the wood samples from the selected trees. Ring width and ring density were measured using soft X-ray densitometry method using micro-densitometer. Computer programme, developed by the Forestry and Forest Products Research Institute, Japan was used to analyze the ring with and ring density data. The average ring width of the Chamaecyparis spp. was found to be about 3.4 mm at the age of 30 years. However, two types of growth pattern were observed in the trees. Average radial growth was about 5% every year during the first 20 years of the tree age, whereas, the average radial growth was negative during the age of 20–30 years. Average density of the tree rings were increased by about 11% in each height of the trees starting from the ground. Similarly, the stem density decreased by about 3.4% annually along the radial direction from the pith.DOI: http://dx.doi.org/10.3126/banko.v22i2.9197Banko Janakari: A Journal of Forestry Information for NepalVol. 22, No. 2, 2012 November Page: 36-42 Uploaded date: 12/1/2013 

scholarly journals Analysis of basal area increment of Pinus hartwegii Lindl. at different altitudes and aspects on Jocotitlán Mountain, State of Mexico

2020 ◽  
Vol 27 (1) ◽  
pp. 73-88
Author(s):  
Angélica Núñez-García ◽  
◽  
Armando Gómez-Guerrero ◽  
Teresa M. Terrazas-Salgado ◽  
J. Jesús Vargas-Hernández ◽  
...  
Keyword(s):  
Tree Ring ◽  
Growth Ring ◽  
Ring Width ◽  
Basal Area ◽  
Climatic Variables ◽  
Basal Area Increment ◽  
Tree Age ◽  
Tree Ring Width ◽  
Pinus Hartwegii ◽  
Different Altitudes

Introduction: Basal area increment (BAI) is an indicator of forest productivity that varies with tree age and site factors such as soil and climate. Objective: To generate tree-ring width index (RWI) and BAI chronologies of Pinus hartwegii Lindl., relate them to climatic variables, and study the variation in BAI at different altitudes and aspects. Materials and methods: Four observation sites were identified, combining northwest (NW) and southwest (SW) aspects, as well as altitudes of 3 800 and 3 700 m. At each site, the temperature was recorded every four hours for 435 days and 32 growth ring segments were collected using a Pressler´s increment borer. Tree-ring width was measured and BAI was calculated; the correlation index between these indicators and the climatic variables was Pearson’s correlation coefficient. Results and discussion: The RWI series from the four observation sites had an intercorrelation of 0.33 (P < 0.01). Two low-growth periods were detected, one between 1950 and 1960 and the other between 1990 and 2005. Site SO-3700 had a different growth pattern, due to a second growth phase beginning in 1978, possibly a benefit resulting from increased temperature. The previous autumn temperature, spring temperature and April-September precipitation of the current year explained the variation in BAI (P < 0.05). Conclusion: The BAI of P. hartwegii could respond favorably to the predicted increases in temperature at an altitude of 3 700 m with southwest aspect.

scholarly journals Diagnostic features of Fraxinus excelsior L. with wavy-grained wood growing in Ukraine

2013 ◽  
Vol 74 (3) ◽  
pp. 189-195
Author(s):  
Ivan Sopushynskyy ◽  
Alfred Teischinger
Keyword(s):  
Statistical Evaluation ◽  
Growth Ring ◽  
Ring Width ◽  
Wood Formation ◽  
Diagnostic Features ◽  
Average Width ◽  
Oven Drying ◽  
Annual Growth Ring ◽  
Growth Ring Width ◽  
The Aesthetic

Abstract. The paper presents analysis of biometric features of ash with wavy-grained wood, which has decorative appeal. The research results shows that fresh broadleaves ash forest stands growing in the Vinnytsya and Sokyryany Regions of Ukraine have high potential for growing curly ash. The differences between straight-grained and wavygrained wood density and macrostructure were analysed and estimated. Statistical evaluation of the aesthetic macrostructure of wood characteristics indicated that the length of wave varied from 3,25 to 10,83 mm and its amplitude varied from 0,37 to 1,74 mm. The average width and mean height of anomalies in wood formation were equal to 15,89 mm and 5,00 mm, and their mean occurrence was 30 times m-2. Average annual growth ring width of wavy-grained ash wood was clearly greater (by 25%) than that of straight-grained wood. The density of wavy-grained wood was 82 kg·m-3 higher than straight-grained wood after oven-drying and 70 kg·m-3 higher prior to oven-drying

Distribution of Radial Growth During the Development of Red Pine Root Systems

1975 ◽  
Vol 5 (4) ◽  
pp. 608-625 ◽  
Author(s):  
D. C. F. Fayle
Keyword(s):  
Root System ◽  
Ring Width ◽  
Root Systems ◽  
Red Pine ◽  
Longitudinal Distribution ◽  
Radial Increment ◽  
Root Tips ◽  
Annual Increment ◽  
Branching Points ◽  
Individual Sequences

The patterns of ring width throughout the root systems and stems of several 32- to 36-year-old, plantation-grown red pine were analyzed. All root systems showed a basic similarity in their radial sequences of ring width. Within a root system, individual sequences ranged from those similar to the radial sequence at the stem base to ones apparently dissimilar. At the stem–root base, the increasing distance to the tree crown with time and changes in mechanical stresses with increasing tree size appeared to play major roles in the development of the basic pattern. The position and type of root, the environment of its apices, and changes in the transportation pathways in the xylem and phloem at branching points may all have influenced the pattern in individual roots. The pattern of deposition of xylem at branching points was visualized as an interaction between the stream of growth regulators and assimilates towards the root tips and the stream of xylem water (and (or) dissolved substances) towards the root base. Discontinuities in the growth layers did not occur in the stem but increased with time in the roots, particularly in the surface horizontal roots. Moisture availability modified the radial sequence patterns and probably influenced the shifts in longitudinal distribution of radial increment from year to year within and between the stem and the root system. The maximum current annual increment in root wood volume occurred before that in the stem.

Formation of heartwood phenols in callus tissue cultures of red pine (Pinus resinosa)

1969 ◽  
Vol 47 (6) ◽  
pp. 1015-1016 ◽  
Author(s):  
E. Jorgensen ◽  
D. Balsillie
Keyword(s):  
Callus Tissue ◽  
Pinus Resinosa ◽  
Wood Formation ◽  
Monomethyl Ether ◽  
Red Pine ◽  
Tissue Cultures ◽  
Biochemical Studies

Pinosylvin (3,5-dihydroxy-stilbene) and Pinosylvin monomethyl ether (3-hydroxy-5-methoxy-stilbene) were formed by cells in callus tissue cultures of Pinus resinosa Ait., when these cells were subjected to desiccation leading to death over a period of time at 25 °C. Pinosylvin and Pinosylvin monomethyl ether were absent in check cultures growing under normal conditions at the same temperature.The significance of the above findings is discussed in relation to the theory of "protection wood formation" in trees as well as for biochemical studies on the biosynthesis of heartwood phenols in trees.

Timing of spring xylogenesis in temperate deciduous tree species relates to tree growth characteristics and previous autumn phenology

2020 ◽  
Author(s):  
Lorène Julia Marchand ◽  
Inge Dox ◽  
Jožica Gričar ◽  
Peter Prislan ◽  
Jan Van den Bulcke ◽  
...  
Keyword(s):  
Tree Growth ◽  
Ring Width ◽  
European Beech ◽  
Wood Formation ◽  
Growth Characteristics ◽  
Tree Age ◽  
Deciduous Tree ◽  
Pedunculate Oak ◽  
Temperate Deciduous ◽  
Previous Autumn

Abstract We explored the timing of spring xylogenesis and its potential drivers in homogeneous mature forest stands in a temperate European region. Three species with contrasting leaf development dynamics and wood anatomy were studied: European beech, silver birch and pedunculate oak. Detailed phenological observations of xylogenesis and leaf phenology were performed from summer 2017 till spring 2018. Cambium reactivation (CR) occurred before the buds of oak and birch were swollen, whereas these two phenological phases were concurrent for beech. On the other hand, initial earlywood vessels were fully differentiated (FDIEV) after leaf unfolding for all three species. Timing of CR was correlated to average ring-width of the last 10 years (2017–2008), tree diameter, and, partially, with tree age. In addition, the timing of FDIEV was correlated to tree age and previous’ year autumn phenology i.e., timing of wood growth cessation and onset of leaf senescence. Multivariate models could explain up to 68% of the variability of CR and 55% of the variability of FDIEV. In addition to the “species” factor, the variability could be explained by ca. 30% by tree characteristics and previous’ years autumn phenology for both CR and FDIEV. These findings are important to better identify which factors (other than environment) can be driving the onset of the growing season and highlight the influence of tree growth characteristics and previous’ year phenology on spring wood phenology, wood formation and, potentially, forest production.

Modelling of tangential, radial, and longitudinal shrinkage after drying in jack pine and white spruce

2013 ◽  
Vol 43 (8) ◽  
pp. 742-749 ◽  
Author(s):  
Mingkai Peng ◽  
John A. Kershaw ◽  
Ying Hei Chui ◽  
Meng Gong
Keyword(s):  
Fixed Effects ◽  
Growth Ring ◽  
Ring Width ◽  
White Spruce ◽  
Wood Formation ◽  
Jack Pine ◽  
Longitudinal Shrinkage ◽  
Nonlinear Mixed Effects Models ◽  
Individual Tree ◽  
Cambial Age

The purpose of this study was to develop an understanding of the pattern of variation in longitudinal, radial, and tangential shrinkage in two commercially important Canadian wood species using multivariate nonlinear mixed-effects models. Shrinkage data were measured in each growth ring at different heights on trees harvested from a mixed-species Nelder tree-spacing plot located in New Brunswick, Canada. Live crown base was reconstructed based on stem analysis. Cambial age, sampling height, crown characteristics (crown length, crown ratio, and distance to live crown base), and ring width at time of wood formation were used as prediction variables. The results indicated that shrinkage magnitude and pattern were closely related to crown dimensions and stem position at time of wood formation. Trees from wider tree spacings with larger crown lengths and ratios tended to have smaller tangential and radial shrinkage. Longitudinal shrinkage decreased nonlinearly from pith outwards with slower rate changes near the bottom of the trees. The model fixed effects accounted for more variation in jack pine (Pinus banksiana Lamb.) than in white spruce (Picea glauca (Moench) Voss) for shrinkage in the same anatomical direction. After further validation, the model developed can be used to provide shrinkage predictions for lumber distortion models within the framework of an individual tree growth model.

scholarly journals A red pine provenance test in northwestern Ontario: 48-year results

2010 ◽  
Vol 86 (3) ◽  
pp. 348-353 ◽  
Author(s):  
Ali A Rahi ◽  
Colin Bowling ◽  
Dale Simpson
Keyword(s):  
Significant Variation ◽  
Pinus Resinosa ◽  
Red Pine ◽  
Provenance Trial ◽  
Maritime Provinces ◽  
Poor Growth ◽  
Breast Height ◽  
Seed Sources ◽  
Northwestern Ontario ◽  
Provenance Test

Survival, total height and diameter at breast height (DBH) were measured in the fall of 2005 in a 48-year-old red pine (Pinus resinosa Ait.) provenance trial growing in northwestern Ontario. There was significant variation in both height and diameter among the 23 provenances. Generally, westerly provenances performed well while those from the Maritime Provinces exhibited relatively poor growth. Considering that the plantation is at the northern biological range of red pine, survival was high, averaging 96% after 48 years. Provenances with the best growth rates exceeded a volume of 420 m3 ha-1. Some provenances from Minnesota and Wisconsin as well as Fort Frances, Ontario exhibited superior growth and should be considered as seed sources for future planting programs in northwestern Ontario. Key words: red pine, provenance test, survival, diameter, height, volume, Northwestern Ontario

Tree-Ring Formation, Radial Increment Periodicity, and Phenology of Tree Species from a Seasonal Semi-Deciduous Forest in Southeast Brazil

IAWA Journal ◽  
2008 ◽  
Vol 29 (2) ◽  
pp. 189-207 ◽  
Author(s):  
Claudio S. Lisi ◽  
Mário Tomazello Fo ◽  
Paulo C. Botosso ◽  
Fidel A. Roig ◽  
Vivian R.B. Maria ◽  
...  
Keyword(s):  
Tree Rings ◽  
Tree Species ◽  
Deciduous Forest ◽  
Growth Ring ◽  
Climatic Conditions ◽  
Dry Season ◽  
Tree Age ◽  
Radial Increment ◽  
Future Studies ◽  
Southeast Brazil

Many tropical tree species produce growth rings in response to seasonal environmental factors that influence the activity of the vascular cambium. We applied the following methods to analyze the annual nature of treering formation of 24 tree species from a seasonal semi-deciduous forest of southeast Brazil: describing wood anatomy and phenology, counting tree rings after cambium markings, and using permanent dendrometer bands. After 7 years of systematic observations and measurements, we found the following: the trees lost their leaves during the dry season and grew new leaves at the end of the same season; trunk increment dynamics corresponded to seasonal changes in precipitation, with higher increment (active period) during the rainy season (October–April) and lower increment (dormant period) during the dry season (May–September); the number of tree rings formed after injuries to the cambium coincided with the number of years since the extraction of the wood samples. As a result of these observations, it was concluded that most study trees formed one growth ring per year. This suggests that tree species from the seasonal semi-deciduous forests of Brazil have an annual cycle of wood formation. Therefore, these trees have potential for use in future studies of tree age and radial growth rates, as well as to infer ecological and regional climatic conditions. These future studies can provide important information for the management and conservation of these endangered forests.

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