Počet záznamů: 1

Impacts and underlying factors of landscape-scale, historical disturbance of mountain forest identified using archival documents

SYSNO ASEP	0397638
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Impacts and underlying factors of landscape-scale, historical disturbance of mountain forest identified using archival documents
Tvůrce(i)	Brůna, Josef (BU-J)_{ORCID, RID} Wild, Jan (BU-J)_{RID, ORCID} Svoboda, M. (CZ) Heurich, M. (DE) Müllerová, Jana (BU-J)_{RID, ORCID}
Celkový počet autorů	5
Zdroj.dok.	Forest Ecology and Management. - : Elsevier - ISSN 0378-1127 Roč. 2013, č. 305 (2013), s. 294-306
Poč.str.	13 s.
Jazyk dok.	eng - angličtina
Země vyd.	NL - Nizozemsko
Klíč. slova	mountain forests ; disturbance ; historical range of variability
Vědní obor RIV	EF - Botanika
CEP	GAP504/10/0843 GA ČR - Grantová agentura ČR
Institucionální podpora	BU-J - RVO:67985939
UT WOS	000324222800032
DOI	10.1016/j.foreco.2013.06.017
Anotace	Large areas of temperate mountain Norway spruce (Picea abies) forests in Central Europe have been disturbed by windstorms and subsequent bark beetle (Ips typographus) outbreaks in recent years. The impact of these events has been severe, with millions of canopy trees dying in nature reserves, where salvage logging was not conducted. The occurrence of these windstorms has raised the question of whether such events were within the historical range of variability (HRV) of forest dynamics in Central Europe, where disturbances were traditionally perceived as non-natural and without strong relevance for forest development. To answer this question, we analyzed the available historical forest management maps documenting large-scale disturbance resulting from windthrow events in the years 1868-1870 in spruce-and beech- (Fagus sylvatica) dominated forests in the Bohemian Forest region (Sumava Mts., Czech Republic and Bayerischer Wald, Germany).To identify important factors responsible for the severity of disturbance, we constructed regression models relating severity to two groups of explanatory variables: forest stand characteristics and environmental attributes (mainly topographic factors). Overall, stand age was identified as the most important driver of disturbance severity across the landscape, with the oldest trees most susceptible. The high importance of age for disturbance severity showed the role of forest age structure in determining the scale of disturbances resulting from windstorms and associated bark beetle outbreaks. Nevertheless, despite the documented occurrence of frequent large disturbances during the two centuries that preceded the 1868-1870 events, old growth accounted for 26% of the area, making it clear that both large scale disturbance and old-growth forest are within the HRV of mountain spruce forest dynamics in Central Europe.
Pracoviště	Botanický ústav
Kontakt	Martina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8
Rok sběru	2014

Počet záznamů: 1