Analysis of volume differences occuring during timber scaling on different production locations

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F19%3A43918110" target="_blank" >RIV/60461373:22340/19:43918110 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.researchgate.net/publication/333117699" target="_blank" >https://www.researchgate.net/publication/333117699</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Analysis of volume differences occuring during timber scaling on different production locations

Popis výsledku v původním jazyce

As the use of harvester technology and cut-to-length harvesting systems in the Czech Republic has been increasing lately, the volume of timber, for which it is possible to use several methods of the volume determination for forest management documentation, is also rising. These methods are (i) using harvester production - inventory software outputs on felling site, (ii) using pile measuring method at the roadside, or (iii) a combination of both. Volume differences between methods (i) and (ii), however, cause problems in timber stock documentation, and for accepting harvester data outputs by state-owned company Forests of the Czech Republic (Lesy České republiky) there are accuracy requirements of ± 2% maximal difference from the control pile measurement. In this study, harvester data outputs were compared with the pile measurements on 168 piles from 53 felling sites. Only 11.3% of recorded values proved ± 2% of volume difference. The most of the measurements (38.6%) were in the category of ± 10-25% difference. The biggest difference was recorded on larch (9.2%), followed by broad-leaved trees (-7.48%), pine (-2.38%), and the lowest difference was observed in spruce (2.09%). © 2019 Forestry and Game Management Research Institute.

Název v anglickém jazyce

Analysis of volume differences occuring during timber scaling on different production locations

Popis výsledku anglicky

As the use of harvester technology and cut-to-length harvesting systems in the Czech Republic has been increasing lately, the volume of timber, for which it is possible to use several methods of the volume determination for forest management documentation, is also rising. These methods are (i) using harvester production - inventory software outputs on felling site, (ii) using pile measuring method at the roadside, or (iii) a combination of both. Volume differences between methods (i) and (ii), however, cause problems in timber stock documentation, and for accepting harvester data outputs by state-owned company Forests of the Czech Republic (Lesy České republiky) there are accuracy requirements of ± 2% maximal difference from the control pile measurement. In this study, harvester data outputs were compared with the pile measurements on 168 piles from 53 felling sites. Only 11.3% of recorded values proved ± 2% of volume difference. The most of the measurements (38.6%) were in the category of ± 10-25% difference. The biggest difference was recorded on larch (9.2%), followed by broad-leaved trees (-7.48%), pine (-2.38%), and the lowest difference was observed in spruce (2.09%). © 2019 Forestry and Game Management Research Institute.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

40102 - Forestry

Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

REPORTS OF FORESTRY RESEARCH-ZPRAVY LESNICKEHO VYZKUMU

ISSN

0322-9688

e-ISSN

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Svazek periodika

64

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

6

Strana od-do

45-50

Kód UT WoS článku

000466813300006

EID výsledku v databázi Scopus

2-s2.0-85068617334