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Multi-decade tree mortality in temperate old-growth forests of Europe and North America : non-equilibrial dynamics and species-individualistic response to disturbance
ID
Woods, Kerry D.
(
Avtor
),
ID
Nagel, Thomas Andrew
(
Avtor
),
ID
Brzeziecki, Bogdan
(
Avtor
),
ID
Cowell, C. Mark
(
Avtor
),
ID
Firm, Dejan
(
Avtor
),
ID
Jaloviar, Peter
(
Avtor
),
ID
Kucbel, Stanislav
(
Avtor
),
ID
Lin, Yiching
(
Avtor
),
ID
Maciejewski, Zbigniew
(
Avtor
),
ID
Szwagrzyk, Jerzy
(
Avtor
),
ID
Vencurik, Jaroslav
(
Avtor
)
URL - Izvorni URL, za dostop obiščite
https://doi.org/10.1111/geb.13291
PDF - Predstavitvena datoteka,
prenos
(1,97 MB)
MD5: EBBCBBCDF0E331DBA3FF7C194715736C
Galerija slik
Izvleček
Aim: Old-growth, mesic temperate forests are often assumed to be structured by gap-phase processes, resulting in quasi-equilibrial long-term dynamics. This assumption influences management focused on simulation of natural disturbance dynamics and is embedded in most models of forest successional dynamics. We use multi-decade monitoring of permanent plots in old-growth forests to assess demographic assumptions directly with respect to tree mortality rates. Location: Sixteen sites in mesic, temperate old-growth forests in eastern North America and Europe with multi-decade monitoring. Time period: Variable across sites, spanning c. 20%78 years from 1936 to 2014. Major taxa studied: Tree species of late-successional, cool-temperate forests of Europe and eastern North America. Methods: We calculated and compared the annualized mortality rates (m), with confidence intervals, by species, size class and measurement interval, for tree species of sufficient abundance. Results: Retrospective analysis shows dynamic and diverse demographic properties across populations and sites. Stand-scale mortality rates of 0.7%2.5%/ year average higher than previous estimates for old-growth temperate forests. Variations among species, over time and among size classes, suggest that gap-phase models are inadequate to explain stand dynamics, implying instead that rare disturbance events of moderate severity have long-lasting effects in old-growth forests and that indirect anthropogenic influences affect old-growth, unlogged forests. Main conclusions: Multi-decade baseline data, essential for understanding community assembly and long-term dynamics in these %slow systems,% are rare and poorly integrated. Our analysis demonstrates the value of the few long-term, %legacy% data sets. Results suggest that differences in life history interact with complex disturbance histories, resulting in non-equilibrial dynamics in old-growth temperate tree communities, and that changes in disturbance patterns through anthropogenic climate change might, there%fore, be an important driver of ecosystem change.
Jezik:
Angleški jezik
Ključne besede:
long-term studies
,
old-growth forest
,
permanent plots
,
temperate forest
,
tree mortality rates
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Recenzirani rokopis
Poslano v recenzijo:
22.02.2019
Datum sprejetja članka:
26.01.2021
Datum objave:
19.04.2021
Leto izida:
2021
Št. strani:
Str. 1311-1333
Številčenje:
Vol. 30, iss. 6
PID:
20.500.12556/RUL-130309
UDK:
630*1
ISSN pri članku:
1466-8238
DOI:
10.1111/geb.13291
COBISS.SI-ID:
62542083
Datum objave v RUL:
13.09.2021
Število ogledov:
1517
Število prenosov:
164
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Global ecology and biogeography
Skrajšan naslov:
Glob. ecol. biogeogr.
Založnik:
Blackwell Science.
ISSN:
1466-8238
COBISS.SI-ID:
580341
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
dolgoročne študije
,
pragozdovi
,
raziskovalne ploskve
,
stopnja umrljivosti dreves
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
J4-1765
Naslov:
Razvoj gozdnih ekosistemov in klimatske spremembe: učinki ujm večjega obsega in segrevanja ozračja
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