Ecological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, China
Abstract Water level conditions are the key factors that affect the growth and distribution of wetland plants. Using Carex cinerascens (C. cinerascens) as the study species, we employ indoor simulations and field surveys. Our results show that C. cinerascens can adapt to rhythmic changes in the wate...
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| Format: | Article |
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Nature Portfolio
2021-03-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-021-84282-x |
| _version_ | 1818995427262857216 |
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| author | Xiaochen Yao Yun Cao Guodi Zheng Adam T. Devlin Xiao Li Menghan Li Siwen Tang Lingming Xu |
| author_facet | Xiaochen Yao Yun Cao Guodi Zheng Adam T. Devlin Xiao Li Menghan Li Siwen Tang Lingming Xu |
| author_sort | Xiaochen Yao |
| collection | DOAJ |
| description | Abstract Water level conditions are the key factors that affect the growth and distribution of wetland plants. Using Carex cinerascens (C. cinerascens) as the study species, we employ indoor simulations and field surveys. Our results show that C. cinerascens can adapt to rhythmic changes in the water level through different adaptation strategies. Compared to that of the control group, plant growth was better with a 0–0.4 cm/d water level rate, and plant growth was in the 42–56 cm range to that a 1.0–1.4 cm/d water level rate. Furthermore, it was observed that 0–0.4 cm/d was the most suitable growth rate, with 0.6–1.0 cm/d and 0–32 cm being the ideal plant tolerance ranges, and increasing to 1.0–1.4 cm/d and 32–56 cm exceeds the plant tolerance threshold. In the middle and late period of the experiment (25–45 d), the ecological characteristics of the plants changed significantly. For example, the root-to-shoot ratio of the plant in the stable water level reached 26.1. In our field observations, plant biomass can be influenced by a variety of environmental factors. The frequency of the species was the largest at an elevation of 15 m, and the growth status of the dominant and companion species of C. cinerascens was weakened with an increase in soil moisture content. The suitable water content for C. cinerascens growth was 27.6–57.3%, the distribution elevation was 12.54–16.59 m, and the optimum elevation was 13.56–15.54 m. The study is expected to provide a reference for wetland ecology research and wetland protection and restoration, a theoretical reference for the coordination of water resource development and utilization of Poyang Lake and ecological protection of important lakes and wetlands, and an important scientific basis for wetland hydrologic regulation, ecological restoration and biodiversity conservation. |
| first_indexed | 2024-12-20T21:13:40Z |
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| id | doaj.art-43b3bf855b6741ca8f86edf404f28cfc |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-12-20T21:13:40Z |
| publishDate | 2021-03-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-43b3bf855b6741ca8f86edf404f28cfc2022-12-21T19:26:29ZengNature PortfolioScientific Reports2045-23222021-03-0111111510.1038/s41598-021-84282-xEcological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, ChinaXiaochen Yao0Yun Cao1Guodi Zheng2Adam T. Devlin3Xiao Li4Menghan Li5Siwen Tang6Lingming Xu7School of Geography and Environment, Jiangxi Normal UniversitySchool of Geography and Environment, Jiangxi Normal UniversityCenter for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of SciencesSchool of Geography and Environment, Jiangxi Normal UniversitySchool of Geography and Environment, Jiangxi Normal UniversitySchool of Geography and Environment, Jiangxi Normal UniversitySchool of Geography and Environment, Jiangxi Normal UniversitySchool of Geography and Environment, Jiangxi Normal UniversityAbstract Water level conditions are the key factors that affect the growth and distribution of wetland plants. Using Carex cinerascens (C. cinerascens) as the study species, we employ indoor simulations and field surveys. Our results show that C. cinerascens can adapt to rhythmic changes in the water level through different adaptation strategies. Compared to that of the control group, plant growth was better with a 0–0.4 cm/d water level rate, and plant growth was in the 42–56 cm range to that a 1.0–1.4 cm/d water level rate. Furthermore, it was observed that 0–0.4 cm/d was the most suitable growth rate, with 0.6–1.0 cm/d and 0–32 cm being the ideal plant tolerance ranges, and increasing to 1.0–1.4 cm/d and 32–56 cm exceeds the plant tolerance threshold. In the middle and late period of the experiment (25–45 d), the ecological characteristics of the plants changed significantly. For example, the root-to-shoot ratio of the plant in the stable water level reached 26.1. In our field observations, plant biomass can be influenced by a variety of environmental factors. The frequency of the species was the largest at an elevation of 15 m, and the growth status of the dominant and companion species of C. cinerascens was weakened with an increase in soil moisture content. The suitable water content for C. cinerascens growth was 27.6–57.3%, the distribution elevation was 12.54–16.59 m, and the optimum elevation was 13.56–15.54 m. The study is expected to provide a reference for wetland ecology research and wetland protection and restoration, a theoretical reference for the coordination of water resource development and utilization of Poyang Lake and ecological protection of important lakes and wetlands, and an important scientific basis for wetland hydrologic regulation, ecological restoration and biodiversity conservation.https://doi.org/10.1038/s41598-021-84282-x |
| spellingShingle | Xiaochen Yao Yun Cao Guodi Zheng Adam T. Devlin Xiao Li Menghan Li Siwen Tang Lingming Xu Ecological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, China Scientific Reports |
| title | Ecological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, China |
| title_full | Ecological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, China |
| title_fullStr | Ecological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, China |
| title_full_unstemmed | Ecological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, China |
| title_short | Ecological adaptability and population growth tolerance characteristics of Carex cinerascens in response to water level changes in Poyang Lake, China |
| title_sort | ecological adaptability and population growth tolerance characteristics of carex cinerascens in response to water level changes in poyang lake china |
| url | https://doi.org/10.1038/s41598-021-84282-x |
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