Leaf habit of tree species does not strongly predict leaf litter decomposition but alters climate-decomposition relationships

Ge, Jielin; Berg, Björn; Xie, Zongqiang

doi:10.1007/s11104-017-3353-3

Cited by 7 publications

(7 citation statements)

References 79 publications

(180 reference statements)

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“…In what concerns sempervirent broadleaved trees, its rate of SOC stock change is mostly affected by plantation age rather than climatic conditions (Table 4). This is because (1) the litter production of sempervirent broadleaved trees, which is a major source of SOC input, increases substantially with stand ages; (2) sempervirent broadleaved trees are usually distributed in subtropical or tropical regions, where there is little variations in temperature and precipitation (Ge et al 2017).…”

Section: Management Implicationsmentioning

confidence: 99%

“…For example, a negative effect of precipitation was detected by Zhang et al (2010), whereas a positive effect was documented by Shi et al (2013). This inconsistency may be due to the interaction effects between leaf habit (deciduous broadleaved trees versus sempervirent broadleaved trees) and climate on the decomposition of leaf litter (Ge et al 2017). Climate sensitivities of leaf litter decomposition vary across tree types.…”

Section: Introductionmentioning

confidence: 98%

“…Climatic conditions such as temperature, precipitation and climatic zones can influence the growth of vegetation and the SOC decomposition rate (Lal 2018). In boreal climate zones, trees have a slower growth rate, a lower production of litterfall and a slower decomposition of litter, all of which contribute to a lower SOC input (Laganiere et al 2010;Ge et al 2017). While temperature tends to negatively affect the SOC stock, studies hold different ideas about the relationship between precipitation and the SOC stock.…”

Section: Introductionmentioning

confidence: 99%

“…Climate sensitivities of leaf litter decomposition vary across tree types. Mean annual temperature plays a major role in the leaf litter decomposition of sempervirent broadleaved trees, whereas mean annual precipitation mainly influences the leaf litter decomposition of deciduous broadleaved trees (Ge et al 2017).…”

Section: Introductionmentioning

confidence: 99%

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A meta-analysis of changes in soil organic carbon stocks after afforestation with deciduous broadleaved, sempervirent broadleaved, and conifer tree species

Hou

Delang

et al. 2020

Annals of Forest Science

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& Key message Different tree species have dissimilar capacities to sequester soil organic carbon (SOC). Deciduous broadleaved trees show the most stable increase in SOC stock after afforestation than other tree species, while sempervirent conifer trees show the lowest rate of SOC stock change. Sempervirent broadleaved trees show the greatest increase in SOC stock 20 years after afforestation. & Context The rate at which soil organic carbon (SOC) stock changes after afforestation varies considerably with the tree species. A better understanding of the role of tree species in SOC change dynamic is needed to evaluate the SOC sequestration potential of afforestation programs. & Aims The aim of this paper is to identify the dissimilar rates at which different tree species sequester SOC, following afforestation. & Methods We complete a meta-analysis with 544 data points from 261 sites in 90 papers. We group tree species into decidious broadleved, sempervirent broadleaved and sempervirent conifer. We use standardization and/or extrapolation methods to standardize soil depths. Statistical analysis test the main effects of tree species and their interactions with previous land use and plantation age on SOC stock change after afforestation. & Results Deciduous broadleaved trees show a stable increase in SOC stock, and are especially suited for afforestation of grassland or soils with high initial SOC. Sempervirent broadleaved afforestation results in loss of SOC stock in young stands, but greater SOC stock in mature stands. Sempervirent conifer trees show the lowest rate of SOC stock change, but are suitable for nutrient-poor soil. & Conclusion The results emphasize the importance of considering tree species when estimating SOC stock change, in particular when carbon sequestration is an objective of afforestation programs.

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Section: Management Implicationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A meta-analysis of changes in soil organic carbon stocks after afforestation with deciduous broadleaved, sempervirent broadleaved, and conifer tree species

Hou

Delang

et al. 2020

Annals of Forest Science

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“…The type of factors that could explain the spatial variation of N 2 O flux differed among different scales. For example, studies under global or regional scale showed that the interaction of climatic, biotic, and edaphic factors accounted for significant portions of the variations in a variable [36][37][38]. Based on this, we speculated that such a phenomenon might be caused by the comprehensive and complicated influence of climatic or biotic factors on N 2 O flux, in a larger scale, which would potentially obscure the true role of edaphic effects.…”

Section: The Explanatory Power Of Five Edaphic Factors For N 2 O Fluxmentioning

confidence: 91%

Magnitude and Edaphic Controls of Nitrous Oxide Fluxes in Natural Forests at Different Scales

Zhang

et al. 2020

Forests

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Forest nitrous oxide (N2O) emission plays an important role in the greenhouse gas budget of forest ecosystems. However, spatial variability in N2O fluxes complicates the determination of key factors of N2O fluxes at different scales. Based on an updated database of N2O fluxes and the main edaphic factors of global forests, the magnitude of N2O fluxes from forests and the relationships between edaphic factors and N2O fluxes at different scales were analyzed. According to the results, the average annual N2O flux of the global forest was 142.91 ± 14.1 mg N m−2 year−1. The range of total forest estimated N2O emission was 4.45–4.69 Tg N in 2000. N2O fluxes from forests with different leaf traits (broadleaved and coniferous) have significant differences in magnitude, whereas the leaf habit (evergreen and deciduous) was an important characteristic reflecting different patterns of N2O seasonal variations. The main factors affecting N2O fluxes on the global scale were ammonium (NH4+) and nitrate (NO3−) concentrations. With an increasing scale (from the site scale to the regional scale to the global scale), the explanatory power of the five edaphic factors to N2O flux decreased gradually. In addition, the response curves of N2O flux to edaphic factors were diversified among different scales. At both the global and regional scales, soil hydrothermal condition (water filled pore space (WFPS) and soil temperature) might not be the main spatial regulation for N2O fluxes, whereas soil nutrient factors (particularly NO3− concentration) could contribute more on N2O flux spatial variations. The results of site-control analysis demonstrated that there were high spatial heterogeneity of the main N2O controls, showing N2O fluxes from low latitude forests being more likely associated with soil WFPS and temperature. Thus, our findings provide valuable insights into the regulatory edaphic factors underlying the variability in N2O emissions, when modeling at different scales.

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Climatic seasonality is linked to the occurrence of the mixed evergreen and deciduous broad‐leaved forests in China

Berg

Xie

2019

Ecosphere

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Evergreen and deciduous broad‐leaved tree species can coexist across the globe and constitute different broad‐leaved forests along large‐scale geographical and climatic gradients. A better understanding of climatic influence on the distribution of mixed evergreen and deciduous broad‐leaved forest is of fundamental importance when assessing this mixed forest's resilience and predicting potential dynamics of broad‐leaved forests under future climate change. Here, we quantified the horizontal distribution of this mixed forest in mountains in relation to climate seasonality by compiling vegetation information from the earlier records and our own field sampling on major subtropical mountains of China. We found that the probability of occurrence of this forest in subtropical mountains was positively associated with the latitude but not the longitude. The occurrence probability of this forest was observed at high‐temperature but not precipitation seasonality mountains. Temperature seasonality was five times more important than precipitation seasonality in explaining the total variation of occurrence of this mixed forest. For its distribution, our results shed light on that temperature seasonality was generally a more powerful predictor than precipitation seasonality for montane mixed forest distribution. Collectively, this study clearly underscores the important role of temperature seasonality, a previously not quantified climatic variable, in the occurrence of this mixed forest along geographical gradients and hence yields useful insight into our understanding of climate–vegetation relationships and climate change vulnerability assessment in a changing climate.

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Leaf habit of tree species does not strongly predict leaf litter decomposition but alters climate-decomposition relationships

Cited by 7 publications

References 79 publications

A meta-analysis of changes in soil organic carbon stocks after afforestation with deciduous broadleaved, sempervirent broadleaved, and conifer tree species

A meta-analysis of changes in soil organic carbon stocks after afforestation with deciduous broadleaved, sempervirent broadleaved, and conifer tree species

Magnitude and Edaphic Controls of Nitrous Oxide Fluxes in Natural Forests at Different Scales

Climatic seasonality is linked to the occurrence of the mixed evergreen and deciduous broad‐leaved forests in China

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