Preface: Functional biogeography in Japanese cedar

Hiura, Tsutom

doi:10.1111/1440-1703.12321

Cited by 7 publications

(5 citation statements)

References 76 publications

(94 reference statements)

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“…As C. japonica is one of the most widely distributed foundation species across the Japanese Archipelago, quantifying its intraspeci c variation in functional traits will help us understand how tree species moderate their physiological functions under changing environments in terms of functional ecology and evolutionary biology (Hiura 2023). This study is a few that assessed intraspeci c variations in ne root morphological traits caused only by different genotypic backgrounds using three provenance types of C. japonica trees planted in a common garden and suggested that intragenerational tree acclimation to the growing environment, that includes soil chemical alteration by plant-soil interactions (Ohta et al 2019), is possibly affected by genotypic backgrounds.…”

Section: Discussionmentioning

confidence: 99%

“…Genotypic variations of aboveground parts within a single species have been recognized in foundation species distributed across broad regions: for example, Japanese beech (Fagus crenata) and cedar (Cryptomeria japonicaD. Don) in the Japanese Archipelago (e.g., Hiura 1998 (Hiura 2023). However, genotypic variations in the ne root morphological traits of a single species remain unclear because it is di cult to separate the genotypic variations from trait variations owing to the growing environments.…”

Section: Introductionmentioning

confidence: 99%

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Genotypic variations appear in fine root morphological traits of Cryptomeria japonica trees grown in a common garden

Nakahata¹,

Azuma²,

Tanabe³

et al. 2023

Preprint

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Aims Fine root morphological traits regulate the belowground resource acquisition strategies of trees. However, genotypic variations isolated from environmental variations within tree species remain unclear. Thus, this study aimed to clarify the effects of genotypic variations on the fine root morphology of three types of Japanese cedar (Cryptomeria japonica), which were derived from different provenances but were grown in a common garden.Methods In the three geographically different provenances of C. japonica stands (Yanase, Yoshino, and Yaku), fine root morphological traits, such as root length and diameter and specific root length (SRL), were measured for each root up to the 4th branching order.Results Yaku cedar exhibited root traits distinct from the other provenances, such as growing longer and thinner roots in 1st root order to enhance root surface area. In addition, the SRL patterns with root orders and higher root tissue density suggested a resource conservation strategy corresponding to the low aboveground production of Yaku cedar. Yanase cedar demonstrated a significantly higher root branching ratio and specific root tips than the other provenances, indicating a strategy for investing resources in absorptive roots. Although Yoshino cedar had traits similar to that of Yanase cedar or intermediate between Yanase and Yaku cedars, high aboveground production may be achieved by nutrient acquisition with root exudates instead of absorptive root growth.Conclusion Genotypic variations appeared in fine root morphological traits of C. japonica trees, even when grown in the same environments, implying distinct resource acquisition strategies characterized by each provenance.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Genotypic variations appear in fine root morphological traits of Cryptomeria japonica trees grown in a common garden

Nakahata¹,

Azuma²,

Tanabe³

et al. 2023

Preprint

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“…Some tree species have a greater potential to absorb more nutrients and water in bedrock due to adaptation to the environment in which the tree species evolves (Dijkstra & Smits, 2002; Hiura, 2023; McCormick et al, 2021). Ohta et al (2019) showed that C. japonica has evolved root systems that are adapted to the environment of each provenance to increase nutrient absorption efficiency, and the ability to absorb nutrients from bedrock varies among the geographical populations.…”

Section: Discussionmentioning

confidence: 99%

“…How to cite this article: Ohta, T., & Hiura, T. (2023). The effects of functional differences in cultivar of Cryptomeria japonica on nutrient dynamics and soil invertebrates in a common garden.…”

Section: Conflict Of Interestmentioning

confidence: 99%

The effects of functional differences in cultivar of Cryptomeria japonica on nutrient dynamics and soil invertebrates in a common garden

Ohta

Hiura

2022

Ecological Research

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Recently, some studies have established the ecological effects of intraspecific variation in phytochemical traits on soil ecosystems. Because plantations comprise a major proportion of forest area in some regions, intraspecific functional variation in plantation tree species is of great importance to forest ecosystems. Intraspecific variation in plantation tree species can result from natural geographical and cultivated variation. A previous study estimated the effects of geographical variation of Cryptomeria japonica, the most dominant plantation tree in Japan. The results showed that the significant consequences for ecosystem processes, such as calcium (Ca) dynamics and community composition of soil invertebrates, vary among the geographical variation of C. japonica. However, no studies have shown the effect of cultivar variation of tree species on the soil invertebrate community through alteration of the availability of nutrients. In this study, we used a common garden where four cultivars of C. japonica (Kumotoshi, Aya, Obi, and Satsumameasa) were planted in separate plots. In these plots, we measured the concentration of nutrients in leaves, litter and roots, strontium isotope ratio ( 87 Sr/ 86 Sr) of leaves. Root activities, exchangeable nutrients in soil, and soil parameters such as soil pH and abundance and composition of soil invertebrates. Our results show that cultivating different varieties of C. japonica may alter the accumulation of Ca in soil and soil pH. Furthermore, the effects of the cultivated varieties of C. japonica shape the abundance and composition of soil invertebrates by altering the soil properties, such as Ca concentration and pH in the soil.

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“…Last year, three Special Features were published—“Functional biogeography: Lessons from the geographic variations in the most dominant tree species in Japan” in Issue 1; “Listen to the voices of local beech forests: An ecological and evolutionary conception of beech under phylogenetic and environmental constraints” in Issue 2; and “Blue carbon dynamics in coastal habitats: Their role in climate change mitigation and ecosystem function” in Issue 4 (see Hiura, 2023; Kitamura et al, 2023; Sharma et al, 2022 for prefaces, respectively). Your proposals for future Special Features are welcome and should be submitted to ecores@esj.ne.jp.…”

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confidence: 99%

Message from the new Editor‐in‐Chief

Tomimatsu

2023

Ecological Research

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Preface: Functional biogeography in Japanese cedar

Cited by 7 publications

References 76 publications

Genotypic variations appear in fine root morphological traits of Cryptomeria japonica trees grown in a common garden

Genotypic variations appear in fine root morphological traits of Cryptomeria japonica trees grown in a common garden

The effects of functional differences in cultivar of Cryptomeria japonica on nutrient dynamics and soil invertebrates in a common garden

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