Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China
IntroductionIn the face of escalating climate change, conserving fir forests in southeastern Tibet is paramount. These forests uphold Tibetan biodiversity and support crucial ecological services.MethodsThis study used the typical plot method to investigate the survival status and development trends...
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Frontiers Media S.A.
2024-12-01
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| Series: | Frontiers in Ecology and Evolution |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fevo.2024.1487984/full |
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| author | Di Huang Di Huang Di Huang Di Huang Di Huang Yihua Ren Yihua Ren Yihua Ren Yihua Ren Yihua Ren Shouzhi Yang Shouzhi Yang Shouzhi Yang Shouzhi Yang Shouzhi Yang Yingxia Zhao Yingxia Zhao Yingxia Zhao Yingxia Zhao Yingxia Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao |
| author_facet | Di Huang Di Huang Di Huang Di Huang Di Huang Yihua Ren Yihua Ren Yihua Ren Yihua Ren Yihua Ren Shouzhi Yang Shouzhi Yang Shouzhi Yang Shouzhi Yang Shouzhi Yang Yingxia Zhao Yingxia Zhao Yingxia Zhao Yingxia Zhao Yingxia Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao |
| author_sort | Di Huang |
| collection | DOAJ |
| description | IntroductionIn the face of escalating climate change, conserving fir forests in southeastern Tibet is paramount. These forests uphold Tibetan biodiversity and support crucial ecological services.MethodsThis study used the typical plot method to investigate the survival status and development trends of three Chinese endemic Abies species, namely, Abies georgei var. smithii, Abies chayuensis, and Abies delavayi var. motuoensis, from the diameter structure, static life table, and survival curve.ResultsThe results revealed that 1) the density of Abies georgei var. smithii, Abies chayuensis, and Abies delavayi var. motuoensis in the community is 408, 320, and 103 trees per hectare, respectively. The structure of the diameter class of the three species of fir trees is a pyramid shape. As the diameter class increases, the number of each population fluctuates to varying degrees, and there is a lack of many medium- and large-diameter trees. 2) The survival curve of Abies georgei var. smithii tends to be similar to the Deevey type II curves, whereas the survival curves of Abies chayuensis and Abies delavayi var. motuoensis tend to be similar to the Deevey type III curves. Various population structures are growth-oriented but highly sensitive to external random disturbances, with mortality and disappearance rates multiple times, indicating poor population development. Survival analysis reveals that all populations begin to decline after the middle age range and that the age structure is relatively unstable.DiscussionThe results of this study contribute to revealing the structural characteristics and dynamic patterns of various spruce populations, providing a theoretical basis for the management and sustainable utilization of fir forests in southeastern Tibet. |
| format | Article |
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| issn | 2296-701X |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Ecology and Evolution |
| spelling | doaj-art-a780b9ae5dd540ec8aebd72938a5a20f2025-08-20T02:38:25ZengFrontiers Media S.A.Frontiers in Ecology and Evolution2296-701X2024-12-011210.3389/fevo.2024.14879841487984Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, ChinaDi Huang0Di Huang1Di Huang2Di Huang3Di Huang4Yihua Ren5Yihua Ren6Yihua Ren7Yihua Ren8Yihua Ren9Shouzhi Yang10Shouzhi Yang11Shouzhi Yang12Shouzhi Yang13Shouzhi Yang14Yingxia Zhao15Yingxia Zhao16Yingxia Zhao17Yingxia Zhao18Yingxia Zhao19Guoqing Zhao20Guoqing Zhao21Guoqing Zhao22Guoqing Zhao23Guoqing Zhao24Institute of Tibet Plateau Ecology, Tibet Agricultural and Animal Husbandry University, Nyingchi, ChinaNational Forest Ecosystem Observation and Research Station of Tibet, Nyingchi, ChinaKey Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education, Nyingchi, ChinaKey Laboratory of Alpine Vegetation Ecological Security in Tibet, Nyingchi, ChinaNyingchi Ecological Monitoring Station, Nyingchi, ChinaInstitute of Tibet Plateau Ecology, Tibet Agricultural and Animal Husbandry University, Nyingchi, ChinaNational Forest Ecosystem Observation and Research Station of Tibet, Nyingchi, ChinaKey Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education, Nyingchi, ChinaKey Laboratory of Alpine Vegetation Ecological Security in Tibet, Nyingchi, ChinaNyingchi Ecological Monitoring Station, Nyingchi, ChinaInstitute of Tibet Plateau Ecology, Tibet Agricultural and Animal Husbandry University, Nyingchi, ChinaNational Forest Ecosystem Observation and Research Station of Tibet, Nyingchi, ChinaKey Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education, Nyingchi, ChinaKey Laboratory of Alpine Vegetation Ecological Security in Tibet, Nyingchi, ChinaNyingchi Ecological Monitoring Station, Nyingchi, ChinaInstitute of Tibet Plateau Ecology, Tibet Agricultural and Animal Husbandry University, Nyingchi, ChinaNational Forest Ecosystem Observation and Research Station of Tibet, Nyingchi, ChinaKey Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education, Nyingchi, ChinaKey Laboratory of Alpine Vegetation Ecological Security in Tibet, Nyingchi, ChinaNyingchi Ecological Monitoring Station, Nyingchi, ChinaNational Forest Ecosystem Observation and Research Station of Tibet, Nyingchi, ChinaKey Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education, Nyingchi, ChinaKey Laboratory of Alpine Vegetation Ecological Security in Tibet, Nyingchi, ChinaNyingchi Ecological Monitoring Station, Nyingchi, ChinaAnimal Science College, Tibet Agriculture and Animal Husbandry University, Nyingchi, ChinaIntroductionIn the face of escalating climate change, conserving fir forests in southeastern Tibet is paramount. These forests uphold Tibetan biodiversity and support crucial ecological services.MethodsThis study used the typical plot method to investigate the survival status and development trends of three Chinese endemic Abies species, namely, Abies georgei var. smithii, Abies chayuensis, and Abies delavayi var. motuoensis, from the diameter structure, static life table, and survival curve.ResultsThe results revealed that 1) the density of Abies georgei var. smithii, Abies chayuensis, and Abies delavayi var. motuoensis in the community is 408, 320, and 103 trees per hectare, respectively. The structure of the diameter class of the three species of fir trees is a pyramid shape. As the diameter class increases, the number of each population fluctuates to varying degrees, and there is a lack of many medium- and large-diameter trees. 2) The survival curve of Abies georgei var. smithii tends to be similar to the Deevey type II curves, whereas the survival curves of Abies chayuensis and Abies delavayi var. motuoensis tend to be similar to the Deevey type III curves. Various population structures are growth-oriented but highly sensitive to external random disturbances, with mortality and disappearance rates multiple times, indicating poor population development. Survival analysis reveals that all populations begin to decline after the middle age range and that the age structure is relatively unstable.DiscussionThe results of this study contribute to revealing the structural characteristics and dynamic patterns of various spruce populations, providing a theoretical basis for the management and sustainable utilization of fir forests in southeastern Tibet.https://www.frontiersin.org/articles/10.3389/fevo.2024.1487984/fulltypical plot methoddiameter structurestatic life tablefir forestsSoutheastern Tibet |
| spellingShingle | Di Huang Di Huang Di Huang Di Huang Di Huang Yihua Ren Yihua Ren Yihua Ren Yihua Ren Yihua Ren Shouzhi Yang Shouzhi Yang Shouzhi Yang Shouzhi Yang Shouzhi Yang Yingxia Zhao Yingxia Zhao Yingxia Zhao Yingxia Zhao Yingxia Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao Guoqing Zhao Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China Frontiers in Ecology and Evolution typical plot method diameter structure static life table fir forests Southeastern Tibet |
| title | Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China |
| title_full | Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China |
| title_fullStr | Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China |
| title_full_unstemmed | Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China |
| title_short | Population structure and dynamic characteristics of three endemic Chinese Abies species in southeastern Tibet, China |
| title_sort | population structure and dynamic characteristics of three endemic chinese abies species in southeastern tibet china |
| topic | typical plot method diameter structure static life table fir forests Southeastern Tibet |
| url | https://www.frontiersin.org/articles/10.3389/fevo.2024.1487984/full |
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