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Intermediate disturbances are a key driver of long%term tree demography across old%growth temperate forests
ID
Nagel, Thomas Andrew
, 3-104.06 (
Avtor
),
ID
Firm, Dejan
(
Avtor
),
ID
Rozman, Andrej
, 3-104.06 (
Avtor
)
URL - Izvorni URL, za dostop obiščite
https://onlinelibrary.wiley.com/doi/10.1002/ece3.8320
URL - Izvorni URL, za dostop obiščite
https://doi.org/10.1002/ece3.8320
PDF - Predstavitvena datoteka,
prenos
(498,33 KB)
MD5: 9008D78FE37AF8BA35A4CD37B36A744F
Galerija slik
Izvleček
Disentangling the relative influence of background versus disturbance related mortality on forest demography is crucial for understanding long%term dynamics and predicting the influence of global change on forests. Quantifying the rates and drivers of tree demography requires direct observations of tree populations over multiple decades, yet such studies are rare in old%growth forest, particularly in the temperate zone of Europe. We use multi%decade (1980%2020) monitoring of permanent plots, including observations of mode of mortality and disturbance events, to quantify rates and drivers of tree demography across a network of old%growth remnants in temperate mountain forests of Slovenia. Annual rates of mortality and recruitment varied markedly among sites and over time; census intervals that captured intermediate severity canopy disturbances caused subtle peaks in annual mortality (e.g., >2%/year), while rates of background mortality in non%disturbed intervals averaged about 1%/year. Roughly half of the trees died from modes of mortality associated with disturbance (i.e., uprooting or snapped%alive). Results of a Bayesian multilevel model indicate that beech (Fagus sylvatica) had a higher likelihood of disturbance related mortality compared to fir (Abies alba), which mainly died standing, and there was a notable increase in the odds of disturbance mortality with increasing diameter for all species. Annual recruitment rates were consistently low at sites (<0.5%) that lacked evidence of disturbance, but often exceeded 3% on sites with higher levels of past canopy mortality. Recruitment was dominated by beech on sites with more diffuse background mortality, while the less shade tolerant maple (Acer pseudoplatanus) recruited following known disturbance events. Our study highlights the important role of stand%scale, partial canopy disturbance for long%term forest demography. These results suggest that subtle climate%driven changes in the regime of intermediate severity disturbances could have an important influence on future forest dynamics and warrant attention.
Jezik:
Angleški jezik
Ključne besede:
demography
,
disturbance
,
forest dynamics
,
mode of mortality
,
moderate disturbance
,
mortality
,
permanent plots
,
recruitment
,
temperate forest
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Poslano v recenzijo:
12.08.2021
Datum sprejetja članka:
04.10.2021
Datum objave:
12.11.2021
Leto izida:
2021
Št. strani:
Str. 16862-16873
Številčenje:
Vol. 11, iss. 23
PID:
20.500.12556/RUL-134606
UDK:
630*2
ISSN pri članku:
2045-7758
DOI:
10.1002/ece3.8320
COBISS.SI-ID:
83520515
Datum objave v RUL:
20.01.2022
Število ogledov:
1048
Število prenosov:
248
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Ecology and evolution
Založnik:
Wiley-Blackwell, Blackwell Publishing
ISSN:
2045-7758
COBISS.SI-ID:
518617625
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
demografija
,
motnje
,
dinamika gozdov
,
umrljivost
,
zmerna motnja
,
zmerni gozdovi
,
stalne raziskovalne ploskve
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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