Tissue type and location within forest together regulate decay trajectories of Abies faxoniana logs at early and mid-decay stage

Chang, Chenhui; Wang, Zhuang; Tan, Bo; Li, Jun; Cao, Rui; Wang, Qin; Yang, Wanqin; Weedon, James T.; Cornelissen, Johannes H. C.

doi:10.1016/j.foreco.2020.118411

Cited by 10 publications

(6 citation statements)

References 54 publications

(76 reference statements)

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“…Our study revealed that the average cellulose (Ce) of high DC (V) was significantly lower than that of low decay classes (I and II) (p < 0.05), and the average total carbon and lignin (Xy) of low DC (I) was significantly higher than that of high decay classes (IV and V) (p < 0.05), which was consistent with the study of Yang et al (2021). The nutrient composition of deadwood is intricately linked to tree species, diameter class, location (bark, sapwood, heartwood), decomposition stage, and site conditions within the ecosystem (Chang et al, 2020;Leonhardt et al, 2019;Moll et al, 2018). Our results showed that the mean values of total carbon (TC), carbon-nitrogen ratio (TC/TN), total phenol (Tp), condensed tannin (Ct) and cellulose (Ce) in the deadwood decreased with the decrease of PD.…”

Section: Discussionmentioning

confidence: 80%

The role of deadwood substrates in promoting moss growth: Decay class and particle size effects

Shi,

Wang,

Yang

et al. 2024

GCB Bioenergy

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Plagiomnium acutum has a high value of landscape application and medicinal value, but there is a lack of related research on propagation and cultivation techniques. The deadwood substrate has rich nutrients and superior water retention properties, which will be conducive to promoting the growth of moss. Nevertheless, the underlying mechanisms by which deadwood influences moss growth are not yet fully unclear. In this study, we pulverized deadwood from five decay classes of Pinus massoniana into three distinct particle sizes. Through a pot experiment, we investigated the effects of decay class and physicochemical properties on the growth and physiology of Plagiomnium acutum, aiming to identify the most suitable growth substrate. The results indicated that both the decay class and particle diameter of deadwood significantly affect the substrate's physicochemical characteristics and the growth indexes of P. acutum, with the decay class exerting a more pronounced effect. The water‐holding porosity, water‐holding capacity, total nitrogen, total phosphorus, total potassium and lignin content of the substrate positively affected the growth of P. acutum, while the bulk density, void ratio, total carbon, carbon‐to‐nitrogen ratio, condensed tannin content and cellulose content had negative impacts. A comprehensive evaluation using a fuzzy membership function indicated that deadwood with higher decay classes (IV and V) was more conducive to the growth of P. acutum. Specifically, substrates from decay class IV with particle sizes of 10–20 mm provided the most favorable conditions for P. acutum and were recommended as the optimal cultivation substrate. The results of this study provide theoretical basis and technical support for the propagation and cultivation of P. acutum, and provide a foundation for further development of the industrial, pharmaceutical and environmental biotechnology potential of P. acutum.

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Section: Discussionmentioning

confidence: 80%

The role of deadwood substrates in promoting moss growth: Decay class and particle size effects

Shi,

Wang,

Yang

et al. 2024

GCB Bioenergy

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“…All logs were sawed on‐site into lengths of 120 cm and carefully placed on the forest floor under the closed canopy in each subplot. See Chang et al (2020) and Wang et al (2021) for more details about the placement and arrangement of decaying logs.…”

Section: Methodsmentioning

confidence: 99%

“…We established a permanent 100 Â 100 m plot of primary Minjiang fir forest in the nature reserve in August 2013 based on previous studies (Chang et al, 2019(Chang et al, , 2020 and three 25 Â 25 m subplots with similar slope aspects, slope degrees, canopy closures and tree heights. Logs of Minjiang fir with 35 ± 5 cm in diameter in five decay classes (I-V, at increasing levels of decay) described in detail by Chang et al (2019) and Wang et al (2021) were collected.…”

Section: Experimental Designmentioning

confidence: 99%

The role of decaying logs in nursing soil fungal diversity varies with decay classes in the forest ecosystem

Wang

Peñuelas

Tan

et al. 2022

European J Soil Science

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“…moisture, C/N and pH) of individual trees (Kazartsev et al, 2018). In addition, different forest canopy positions could provide additional controls of the intraspecific decomposition variation of bark, which in a mountain forest study decomposed faster below the forest canopy but had hardly any difference between canopy edge and canopy gap (Chang, Wang, et al, 2020). Moreover, the intraspecific variation of bark decomposition may also stem from the stochastic process of microbial and invertebrate community assembly (Hagge et al, 2019), such as the ecological drift imposed by factors that include dispersal and random birth-death dynamics (Hubbell, 2001).…”

Section: Difference In the Decomposability Of Inner And Outer Bark At...mentioning

confidence: 99%

Considering inner and outer bark as distinctive tissues helps to disentangle the effects of bark traits on decomposition

Lin

Song

et al. 2022

Journal of Ecology

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1. Revealing the ecological consequences of bark multifunctionality and its underlying traits has become a relatively new but essential focus in plant ecology.Although the enormous differences between the most crucial bark layers, that is, inner and outer bark, in structure and functions have been widely recognized, the overall bark has been regarded as a homogenous tissue in most bark-related studies. This has led to poor knowledge on the functional independence, specialized contributions and possible linkages of inner and outer bark traits across tree species when further evaluating the crucial ecosystem functions that bark provides, especially in driving variation in bark decomposition.2. To fill this research gap, we used a 'common garden experiment' on deadwood of six gymnosperms in a temperate forest in the Netherlands over 4 years of decomposition. We evaluated the differences and associations between the inner and outer bark in initial functional traits, decomposition rates and afterlife effects of traits in driving in situ bark decomposition across tree species at the earlier decomposition stage.3. We report four main findings: (1) inner and outer bark traits varied significantly and were not coordinated across tree species; (2) correspondingly, the decomposition of the inner and outer bark were asynchronous and not coordinated across species and inner bark generally decomposed faster than outer bark; (3) the strong predictive traits driving bark decomposability were bark layer-specific, with several inner bark traits controlling inner bark decomposition rates but outer bark decomposability being poorly predicted by outer bark traits and (4) besides being controlled by inner bark traits, inner bark decomposition was also indirectly regulated by several functional traits and the structure-related trait spectrum of outer bark.

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Tissue type and location within forest together regulate decay trajectories of Abies faxoniana logs at early and mid-decay stage

Cited by 10 publications

References 54 publications

The role of deadwood substrates in promoting moss growth: Decay class and particle size effects

The role of deadwood substrates in promoting moss growth: Decay class and particle size effects

The role of decaying logs in nursing soil fungal diversity varies with decay classes in the forest ecosystem

Considering inner and outer bark as distinctive tissues helps to disentangle the effects of bark traits on decomposition

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