- Tytuł:
-
Określenie wieku dojrzałości rębnej drzewostanów sosnowych I bonitacji na przykładzie Obrębu Wilcze Bagno (Nadleśnictwo Pisz)
Determination of the rotation age in Scots pine stands of 1st site index class on the example of Wilcze Bagno Management Unit (Pisz Forest District) - Autorzy:
-
Stępień, E.
Lewandowska-Gross, M. - Powiązania:
- https://bibliotekanauki.pl/articles/991503.pdf
- Data publikacji:
- 2013
- Wydawca:
- Polskie Towarzystwo Leśne
- Tematy:
-
lesnictwo
gospodarka lesna
drzewostany sosnowe
dojrzalosc rebna
dojrzalosc techniczna
drzewostany I bonitacji
Obreb Wilcze Bagno
Nadlesnictwo Pisz
scots pine
production target
rotation age
traditional criteria
financial indicators - Opis:
- The paper presents determination of the rotation age in Scots pine stands of 1st site index class on the example of Pisz Forest District (northern Poland). The development of quantitative and qualitative changes in the structure of 10 stands, forming a homologous series ranged between 40 and 130 years was the basis for determining their rotation age. Stand maturity for cutting was determined taking into account three variants of production targets considered alternatively. Traditional criteria and financial indicators were adopted to determine the rotation age. The traditional criteria included the absolute yield of a given variant, the average yield of an assortment per hectare and per year and the percentage share of each assortment group in relation to the growing stock of stands. The financial criteria included the assortment value of the considered variants of production targets, the average change in the value of these assortments, the percentage share of each assortment group in relation to the total growing stock and the average price of one cubic meter of the selected assortments groups.
- Źródło:
-
Sylwan; 2013, 157, 07; 526-532
0039-7660 - Pojawia się w:
- Sylwan
- Dostawca treści:
- Biblioteka Nauki