Quantitative division of succession and spatial patterns among different stand developmental stages in Changbai Mountains

Gong, Zhijun; XinGang, Kang; Gu, Li

doi:10.1007/s11629-018-5142-8

Cited by 3 publications

(3 citation statements)

References 58 publications

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“…In addition to habitat heterogeneity and limited seed dispersal, the low recruitment rate of mature trees could result in a clustered pattern [ 66 ]. On the other hand, the random and uniform patterns that were observed for all KP and mature trees in the CBS and LS plots, as well as saplings in the LS plot, might have been generated by intraspecific competition for resources or self-thinning processes [ 38 , 45 ]. The large KP trees in the LS and FL plots represented random and regular distributions, which might be because larger trees require more nutrients, light, and water resources, leading to competition with each other [ 42 ].…”

Section: Discussionmentioning

confidence: 99%

“…A variety of studies on the community structure and spatial distribution dynamics in BKMFs have mainly focused on a few major tree species, including Korean pine, with high importance values in the forest community [ 42 , 43 , 44 , 45 ]. However, these studies were mainly restricted to individual plots and investigated the spatial association among individual populations of those major tree species.…”

Section: Introductionmentioning

confidence: 99%

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Spatial Distribution of Pinus koraiensis Trees and Community-Level Spatial Associations in Broad-Leaved Korean Pine Mixed Forests in Northeastern China

Pak

Guo

Liu

et al. 2023

Plants

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Investigating the spatial distributions and associations of tree populations provides better insights into the dynamics and processes that shape the forest community. Korean pine (Pinus koraiensis) is one of the most important tree species in broad-leaved Korean pine mixed forests (BKMFs), and little is known about the spatial point patterns of and associations between Korean pine and community-level woody species groups such as coniferous and deciduous trees in different developmental stages. This study investigated the spatial patterns of Korean pine (KP) trees and then analyzed how the spatial associations between KP trees and other tree species at the community level vary in different BKMFs. Extensive data collected from five relatively large sample plots, covering a substantial area within the natural distribution range of KP in northeastern China, were utilized. Uni- and bivariate pair correlation functions and mark correlation functions were applied to analyze spatial distribution patterns and spatial associations. The DBH (diameter at breast height) histogram of KP trees in northeastern China revealed that the regeneration process was very poor in the Changbai Mountain (CBS) plot, while the other four plots exhibited moderate or expanding population structures. KP trees were significantly aggregated at scales up to 10 m under the HPP null model, and the aggregation scales decreased with the increase in size classes. Positive or negative spatial associations were observed among different life stages of KP trees in different plots. The life history stages of the coniferous tree group showed positive spatial associations with KP saplings and juvenile trees at small scales, and spatial independence or negative correlations with larger KP trees at greater scales. All broad-leaved tree groups (canopy, middle, and understory layers) exhibited only slightly positive associations with KP trees at small scales, and dominant negative associations were observed at most scales. Our results demonstrate that mature KP trees have strong importance in the spatial patterns of KP populations, and site heterogeneity, limited seed dispersal, and interspecific competition characterize the spatial patterns of KP trees and community-level spatial associations with respect to KP trees, which can serve as a theoretical basis for the management and restoration of BKMFs in northeastern China.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Spatial Distribution of Pinus koraiensis Trees and Community-Level Spatial Associations in Broad-Leaved Korean Pine Mixed Forests in Northeastern China

Pak

Guo

Liu

et al. 2023

Plants

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“…The forest type of the undisturbed plot is broadleaved Korean pine forest. Korean pine forest, also called primary forest, which shows limited effects of human disturbance, has maintained its basic primitive forest form and relatively high stand stability 22 , 23 . The results of Table 1 and Fig.…”

Section: Discussionmentioning

confidence: 99%

Spatial distribution pattern of dominant tree species in different disturbance plots in the Changbai Mountain

Zhang

Wang

XinGang

2022

Sci Rep

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The effects of disturbance on spatial patterns and species interactions provide critical information on community structure and species coexistence. Two standard plots of 1-ha were set, one of them was a sample plot with retrograde succession after disturbance, and the other one was undisturbed. Spatial indices and Spatial patterns statistics were used to analyze the spatial pattern and inter-specific correlation of main tree species in two plots. Our results showed that the diameter distributions of different species have reverse J-shape, unimodal and bimodal distribution in the disturbed plot, while bell-shaped curves were observed in the undisturbed plot. The distributions of tree species were mainly showed clustered patterns in almost all scales through univariate pair correlation function. Some similar results of the classification of Wiegand scheme of species association consistent with the consequences of the bivariate pair correlation. The mark variograms showed positive autocorrelation at a coarse scale. The current study may aid in efforts of forest management planning and ecosystem services. Meanwhile, different research methods of spatial distribution also help to improve the accuracy of spatial distribution and the interspecific association of tree species.

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Optimizing Stand Spatial Structure at Different Development Stages in Mixed Hard Broadleaf Forests

Sheng,

Dong,

Liu

2024

Forests

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Thinning plays a key role in regulating the stand spatial structure (SpS) to improve the development of stand quality, and the stand has different characteristics of stand structure (SS) at different growth and development stages (DSs), so it is most important to reasonably determine the stage of growth and development of the stand to optimize the stand structure. We applied the TWINSPAN two-way indicator species analysis method to classify the different development stages of mixed hard broadleaf forests. We provided a comprehensive stand spatial structure optimization model for three selected plots at different development stages, respectively, to optimize the SpS. The results demonstrated the classified DS of 29 mixed hard broadleaf plots for three forest stages: the establishment stage, competitive stage, and quality selection stage. We then applied the SpS optimization model to our three plots; the Q(x) increased by 124.04%, 333.74%, and 116.83% when compared with those with no harvest, in which, upon the removal of 10% of the trees from the three plots, the maximum RIP values were all observed. Our results indicated that the SpS optimization model could regulate the SS for different growth stages and DSs.

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Quantitative division of succession and spatial patterns among different stand developmental stages in Changbai Mountains

Cited by 3 publications

References 58 publications

Spatial Distribution of Pinus koraiensis Trees and Community-Level Spatial Associations in Broad-Leaved Korean Pine Mixed Forests in Northeastern China

Spatial Distribution of Pinus koraiensis Trees and Community-Level Spatial Associations in Broad-Leaved Korean Pine Mixed Forests in Northeastern China

Spatial distribution pattern of dominant tree species in different disturbance plots in the Changbai Mountain

Optimizing Stand Spatial Structure at Different Development Stages in Mixed Hard Broadleaf Forests

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