Abstract
Poplars occupy about 31.4 million ha in the world, while in Serbia poplars spread over the area of 48.000 ha. The subject of this research are artificially raised poplar plantations, consisting of poplar clone I-214 (Populus?euramericana (Dode) Guinier cl. I-214) and poplar clone Pannonia (Populus?euramericana (Dode) Guinier cl. Pannonia). Field activities of collecting data required for this research were conducted in two phases. The first phase of data collection included measurement of tree diameter. Also, the numbering, marking and recording of poplar rows, as well as each poplar in the row, was conducted. The second phase of data collection was conducted after the felling of trees that were selected for detailed measurement of the elements required for theoretical cross cutting. In accordance with the general principles of cross cutting, as well as the principles of maximum financial effect, the qualitative partition of trunks into several variants was performed. The classification of wood assortments was performed on the basis of SRPS wood standards. The share of technical wood for veneer (F and L class) in the analyzed poplar trees clone I-214 is 47.54% of the total volume of wood assortments. When it comes to the clone Pannonia, logs for cutting (quality class II), have the greatest share in total volume of wood assortments with 44.08. There is no statistically significant difference between the total volume and the value of the assortments of the two analyzed poplar clones, except when it comes to assortments for chemical exploitation where statistical differences exist.
Highlights
IntroductionAs a species, is widespread throughout the world. FAO (2016) estimated that poplar plantations occupy around 31.4 million hectares, of which an area of 18.3 million hectares (58%) is managed for multiple purposes, 9.4 million hectares (30%) were planted primarily for wood production, 2.9 million hectares (9%) are intended for environmental protection and an area of 0.9 million hectares (3%) are plantations for the production of biomass for firewood. 96% of total area of poplar plantations are located in Canada and People’s Republic of China.Poplar forests in Serbia cover an area of 48000 ha, of which 76.3% is state-owned
Poplar, as a species, is widespread throughout the world
In compartment 43, section b, whose area is 26.28 ha, it was determined that poplar clone I-214 covers about 1/3 of the area, while the remaining part of the area is covered by the Pannonia poplar clone
Summary
As a species, is widespread throughout the world. FAO (2016) estimated that poplar plantations occupy around 31.4 million hectares, of which an area of 18.3 million hectares (58%) is managed for multiple purposes, 9.4 million hectares (30%) were planted primarily for wood production, 2.9 million hectares (9%) are intended for environmental protection and an area of 0.9 million hectares (3%) are plantations for the production of biomass for firewood. 96% of total area of poplar plantations are located in Canada and People’s Republic of China.Poplar forests in Serbia cover an area of 48000 ha, of which 76.3% is state-owned. As a species, is widespread throughout the world. 96% of total area of poplar plantations are located in Canada and People’s Republic of China. Poplar forests in Serbia cover an area of 48000 ha, of which 76.3% is state-owned. The stands consisted of poplars are mainly of artificial origin (plantations - 74.2%) and a smaller part of these are of coppice origin - natural stands (25.8%). In Serbia, plantations intended for the production of technical roundwood are dominate, which is a consequence of market demands for more valuable assortments (A n d ra š e v et al, 2017). The need for poplar in Serbian market is increasing, as well as in the market of large number of countries around the world (Danilovi ć, 2008)
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