Abstract
Understanding the key drivers controlling biomass production in forest ecosystems is an important process from both theoretical and practical perspectives. Here, we examined the relationships of aboveground biomass (AGB) production variables with species diversity, community weighted mean (CWM) values and variety of functional traits during temperate forest succession in a forest long-term ecological research site, South Korea. Our results revealed that species diversity and CWM trait values are crucial drivers for AGB production in a Korean temperate forest. The relative importance of the explanatory variables was different among AGB production variables. Mass ratio mechanism by CWM values of dominant traits was a main driver for initial and last AGBs and the increment of AGB by survivors and recruits, whereas AGB loss by mortality of stems was govern by species diversity. The mechanism governing AGB loss associated with species diversity may relate to size-dependent demographic processes of individual woody stems, especially, the withering of canopy trees. Therefore, our results suggest that mass ratio and size-dependent mechanisms of woody plants may be important drivers shaping the AGB dynamics in our study system.
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Claims 6
Claim · model-written summary
Species diversity and community weighted trait means were important drivers of AGB production.
- Taxon
- Korean temperate foreste0
- Outcome
- AGB productione0
- Qualifier
- species diversity and CWM trait valuese0
- Setting
- Korean temperate foreste0
Not reportedDirection
Verbatim
e0“species diversity and CWM trait values are crucial drivers for AGB production in a Korean temperate forest.”
Claim · model-written summary
The relative importance of explanatory variables differed among AGB production measures.
Verbatim
e0“The relative importance of the explanatory variables was different among AGB production variables.”
t0“FOREST LONG-TERM ECOLOGICAL RESEARCH SITE”
Claim · model-written summary
CWM values of dominant traits drove initial and final AGB.
- Taxon
- FORESTt0
- Outcome
- initial and last AGBse0
- Qualifier
- CWM values of dominant traitse0
- Setting
- FOREST LONG-TERM ECOLOGICAL RESEARCH SITEt0
Not reportedDirection
Verbatim
e0“Mass ratio mechanism by CWM values of dominant traits was a main driver for initial and last AGBs”
t0“FOREST LONG-TERM ECOLOGICAL RESEARCH SITE”
Claim · model-written summary
CWM values of dominant traits drove AGB increments from survivors and recruits.
- Taxon
- FORESTt0
- Outcome
- increment of AGB by survivors and recruitse0
- Qualifier
- CWM values of dominant traitse0
- Setting
- FOREST LONG-TERM ECOLOGICAL RESEARCH SITEt0
Not reportedDirection
Verbatim
e0“CWM values of dominant traits was a main driver for initial and last AGBs and the increment of AGB by survivors and recruits”
t0“FOREST LONG-TERM ECOLOGICAL RESEARCH SITE”
Claim · model-written summary
Species diversity governed AGB loss from stem mortality.
- Taxon
- FORESTt0
- Outcome
- AGB loss by mortality of stemse0
- Qualifier
- species diversitye0
- Setting
- FOREST LONG-TERM ECOLOGICAL RESEARCH SITEt0
Not reportedDirection
Verbatim
e0“AGB loss by mortality of stems was govern by species diversity.”
t0“FOREST LONG-TERM ECOLOGICAL RESEARCH SITE”
Claim · model-written summary
AGB loss related to diversity may reflect size-dependent woody-stem demography, especially canopy-tree withering.
Verbatim
e0“The mechanism governing AGB loss associated with species diversity may relate to size-dependent demographic processes of individual woody stems, especially, the withering of canopy trees.”
t0“FOREST LONG-TERM ECOLOGICAL RESEARCH SITE”