Interactive influences of distance from seed source and management practices on tree species composition in conifer plantations

Nagaike, Takuo; Fujita, Taku; Dejima, Seiichi; Chino, Tsunehide; Matsuzaki, Seiji; Takanose, Yoichiro; Takahashi, Kazuaki

doi:10.1016/j.foreco.2012.07.006

Cited by 12 publications

(2 citation statements)

References 36 publications

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“…This pattern indicates species diversity and large plants may govern carbon sequestration in various ecosystems ( Ruiz-Jaen and Potvin, 2011 ; Mensah et al., 2020 ). In plantations, species diversity promotes aboveground biomass through facilitating abiotic and biotic conditions simultaneously, for instance, light interception and seed dispersion ( Binkley et al., 2010 ; Nagaike et al., 2012 ). In a natural forest, the positive relationship between species diversity and aboveground biomass was expected due to the complementarity effect, particularly in water availability complementarity ( Guo et al., 2019 ; Wright et al., 2021 ; Yang et al., 2022 ).…”

Section: Discussionmentioning

confidence: 99%

Large plants enhance aboveground biomass in arid natural forest and plantation along differential abiotic and biotic conditions

Yang

Ali

et al. 2022

Front. Plant Sci.

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Big-sized trees, species diversity, and stand density affect aboveground biomass in natural tropical and temperate forests. However, these relationships are unclear in arid natural forests and plantations. Here, we hypothesized that large plants (a latent variable of tall-stature and big-crown, which indicated the effect of big-sized trees on ecosystem function and structure) enhance aboveground biomass in both arid natural forests and plantations along the gradients of climate water availability and soil fertility. To prove it, we used structural equation modeling (SEM) to test the influences of large plants located in 20% of the sequence formed by individual size (a synthetical value calculated from tree height and crown) on aboveground biomass in natural forests and plantations while considering the direct and indirect influences of species diversity as well as climatic and soil conditions, using data from 73 natural forest and 30 plantation plots in the northwest arid region of China. The results showed that large plants, species diversity, and stand density all increased aboveground biomass. Soil fertility declined aboveground biomass in natural forest, whereas it increased biomass in plantation. Although climatic water availability had no direct impact on aboveground biomass in both forests, it indirectly controlled the change of aboveground biomass via species diversity, stand density, and large plants. Stand density negatively affects large plants in both natural forests and plantations. Species diversity positively affects large plants on plantations but not in natural forests. Large plants increased slightly with increasing climatic water availability in the natural forest but decreased in plantation, whereas soil fertility inhibited large plants in plantation only. This study highlights the extended generality of the big-sized trees hypothesis, scaling theory, and the global importance of big-sized tree in arid natural forests and plantations.

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Section: Discussionmentioning

confidence: 99%

Large plants enhance aboveground biomass in arid natural forest and plantation along differential abiotic and biotic conditions

Yang

Ali

et al. 2022

Front. Plant Sci.

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“…Distance from seed sources has been identified as one of the most significant factors influencing tree species colonization in different successional sites such as plantations (e.g. Parrotta, Knowles, et al 1997;H erault et al 2004;Koonkhunthod et al 2007;Gonzales and Nakashizuka 2010;Nagaike et al 2012), where a significant decrease in species richness with increasing distance to the source was a common observation.…”

Section: Discussionmentioning

confidence: 99%

Diversity of native woody regeneration in exotic tree plantations and natural forest in Southern Philippines

Tulod

Casas

Marin

et al. 2017

Forest Science and Technology

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The use of exotic species in reforestations is one of the highly criticized forest policies in the Philippines, mainly due to their perceived negative impacts on biodiversity conservation. To ascertain the influence of exotic plantations on native flora establishments, we inventoried the structure, composition, and diversity of understory woody regeneration in three exotic stands in Southern Philippines and compared them to adjacent second growth forest. The mean total density of regeneration did not differ significantly among the stands, except for the separate density of saplings and seedlings where natural forest had significantly the lowest and highest density, respectively, over the exotic stands. Teak (Tectona grandis L.) and mangium (Acacia mangium Willd.) stands generally had the bigger basal area, indicating the dominance of saplings in these areas. A low diversity characterized the four stands with the lowest and highest diversity indices observed, respectively, in the mahogany (Swietenia macrophylla King) and natural forest. Despite their proximity, each stand exhibited uniqueness in species composition, with some of the endangered species observed only in the exotic stands. Therefore, it would be interesting to know how continued protection of these stands would affect the trajectory of succession of native species over time.

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Species richness of the understory woody vegetation in Japanese cedar plantations declines with increasing number of rotations

Igarashi

Masaki

Nagaike

et al. 2016

Journal of Forest Research

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Interactive influences of distance from seed source and management practices on tree species composition in conifer plantations

Cited by 12 publications

References 36 publications

Large plants enhance aboveground biomass in arid natural forest and plantation along differential abiotic and biotic conditions

Large plants enhance aboveground biomass in arid natural forest and plantation along differential abiotic and biotic conditions

Diversity of native woody regeneration in exotic tree plantations and natural forest in Southern Philippines

Species richness of the understory woody vegetation in Japanese cedar plantations declines with increasing number of rotations

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