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Evaluating five forest models using multi-decadal inventory data from mountain forests
ID
Irauschek, Florian
(
Avtor
),
ID
Barka, Ivan
(
Avtor
),
ID
Bugmann, Harald
(
Avtor
),
ID
Courbaud, Benoit
(
Avtor
),
ID
Elkin, Che
(
Avtor
),
ID
Hlásny, Tomáš
(
Avtor
),
ID
Klopčič, Matija
(
Avtor
),
ID
Mina, Marco
(
Avtor
),
ID
Rammert, Werner
(
Avtor
),
ID
Lexer, Manfred J.
(
Avtor
)
URL - Izvorni URL, za dostop obiščite
https://doi.org/10.1016/j.ecolmodel.2021.109493
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Galerija slik
Izvleček
Forest ecosystem models, being widespread science tools and used for forest management decision support are usually evaluated individually against field data sets, while model intercomparison and joint evaluation studies are rare. We tested five forest models according to a harmonized protocol against data from nine forest compartments in the Sn%žnik region, in Slovenia. The suite of models included stand- and landscape-scale, empirical- and process-based models used across Europe. The test dataset originated from inventory data covering 50 years (tree measurements 1963, 1983 and 2013) and included annual harvesting records at tree level. Uncertainties in data and forest conditions were considered by defining 12 scenarios varying initial regeneration, browsing pressure and harvest modalities. We evaluated the models` ability to initialize forest conditions accurately, whether management interventions could be implemented based on harvest records, and how well basal area and diameter structure could be predicted. Simulation results for basal area development showed good to satisfactory performance for all models, at which SAMSARA2, SIBYLA and PICUS showed the best agreement. Comparison of simulated and observed diameter distributions showed good performance of ForClim, PICUS, SAMSARA2 and SIBYLA. Model output variability was between 6% and 24%, indicating the relevance to consider uncertainties that can be attributed to specific sources. There was no clear hierarchy between more empirical or more process-based models regarding accuracy of stand development projections. The cohort-based landscape model LandClim showed the lowest stand-level accuracy and scenario sensitivity, but results nevertheless qualified it for complementary application at landscape scale. Within individual-based models, spatially explicit models seemed to be more suitable for heterogeneous mixed mountain forests. The findings demonstrated the usefulness of inventory datasets for model testing and intercomparison.
Jezik:
Angleški jezik
Ključne besede:
model intercomparison
,
tree growth
,
tree mortality
,
forest management
,
ungulate browsing
,
forest inventory data
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:
21.07.2020
Datum sprejetja članka:
18.02.2021
Datum objave:
03.03.2021
Leto izida:
2021
Št. strani:
11 str.
Številčenje:
Vol. 445, article 109493
PID:
20.500.12556/RUL-133322
UDK:
630*52:630*45
ISSN pri članku:
0304-3800
DOI:
10.1016/j.ecolmodel.2021.109493
COBISS.SI-ID:
85939203
Datum objave v RUL:
22.11.2021
Število ogledov:
1101
Število prenosov:
154
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Objavi na:
Gradivo je del revije
Naslov:
Ecological modelling
Skrajšan naslov:
Ecol. model.
Založnik:
Elsevier
ISSN:
0304-3800
COBISS.SI-ID:
26792960
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
primerjava modelov
,
rast dreves
,
mortaliteta
,
gospodarjenje z gozdovi
,
objedanje
,
gozdna inventura
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