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Biomass production of Betula pendula stands regenerated in the region of allochtonous Picea abies (L.) dieback

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00020702%3A_____%2F18%3AN0000077" target="_blank" >RIV/00020702:_____/18:N0000077 - isvavai.cz</a>

  • Výsledek na webu

    <a href="https://www.silvafennica.fi/pdf/article9985.pdf" target="_blank" >https://www.silvafennica.fi/pdf/article9985.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.14214/sf.9985" target="_blank" >10.14214/sf.9985</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Biomass production of Betula pendula stands regenerated in the region of allochtonous Picea abies (L.) dieback

  • Popis výsledku v původním jazyce

    The paper deals with production of above-ground biomass of silver birch (Betula pendula Roth) stands in the Czech Republic. One-year biomass dynamics was studied within chronosequence of birch stands at the age of 4-5, 8-9, 17-18 and 22-23 years. With the exception of the youngest stand, which was established by seeding, all experimental birch stands were regenerated naturally after the allochthonous spruce stands. Above-ground biomass (AB) was calculated from plot inventory data and biomass equations were parameterized from destructive sampling of biomass component of sampled trees. Results reveal that the peak of the mean annual increment (MAI(ABtotal)) of birch stands can be expected at the age from 15 to 20 years. Additionally, the stand age. the value of basal area (BA) should be considered as a predictor of stand productivity. If the value of BA varied from 25 to 35 m(2) ha(-1), the MM of the birch stands reached the range from 5.0 to 6.5 t of thy biomass per ha y(-1) at the age ranging between 15 and 25 years. The stem/branch proportion increased with stand age, the stem relative proportion ranging from 75 to 90% of total above-ground biomass. According to the results of this study. birch stand biomass production and utilization is one of the approaches in terms of forest recovery' management in large disturbed areas. Although, no silvicultural treatments were occurred in all analysed stands, the pre-commercial thinning method could increase stand productivity and stability as well.

  • Název v anglickém jazyce

    Biomass production of Betula pendula stands regenerated in the region of allochtonous Picea abies (L.) dieback

  • Popis výsledku anglicky

    The paper deals with production of above-ground biomass of silver birch (Betula pendula Roth) stands in the Czech Republic. One-year biomass dynamics was studied within chronosequence of birch stands at the age of 4-5, 8-9, 17-18 and 22-23 years. With the exception of the youngest stand, which was established by seeding, all experimental birch stands were regenerated naturally after the allochthonous spruce stands. Above-ground biomass (AB) was calculated from plot inventory data and biomass equations were parameterized from destructive sampling of biomass component of sampled trees. Results reveal that the peak of the mean annual increment (MAI(ABtotal)) of birch stands can be expected at the age from 15 to 20 years. Additionally, the stand age. the value of basal area (BA) should be considered as a predictor of stand productivity. If the value of BA varied from 25 to 35 m(2) ha(-1), the MM of the birch stands reached the range from 5.0 to 6.5 t of thy biomass per ha y(-1) at the age ranging between 15 and 25 years. The stem/branch proportion increased with stand age, the stem relative proportion ranging from 75 to 90% of total above-ground biomass. According to the results of this study. birch stand biomass production and utilization is one of the approaches in terms of forest recovery' management in large disturbed areas. Although, no silvicultural treatments were occurred in all analysed stands, the pre-commercial thinning method could increase stand productivity and stability as well.

Klasifikace

  • Druh

    J<sub>imp</sub> - Článek v periodiku v databázi Web of Science

  • CEP obor

  • OECD FORD obor

    40102 - Forestry

Návaznosti výsledku

  • Projekt

  • Návaznosti

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Ostatní

  • Rok uplatnění

    2018

  • Kód důvěrnosti údajů

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

Údaje specifické pro druh výsledku

  • Název periodika

    Silva Fennica

  • ISSN

    0037-5330

  • e-ISSN

    2242-4075

  • Svazek periodika

    52

  • Číslo periodika v rámci svazku

    5

  • Stát vydavatele periodika

    FI - Finská republika

  • Počet stran výsledku

    15

  • Strana od-do

    article id 9985

  • Kód UT WoS článku

    000456324600002

  • EID výsledku v databázi Scopus

    2-s2.0-85061900107