Journal of Tropical Oceanography >
Comparison of mangrove community characteristics in different pond-to-mangrove models in Dongzhaigang
Copy editor: LIN Qiang
Received date: 2024-06-13
Revised date: 2024-07-23
Online published: 2024-07-25
Supported by
Hainan Province Science and Technology Special Fund(SQKY2022-0022)
The Key Science and Technology Program of Hainan Province(ZDKJ202008)
The study provides a reference for the pond-to-mangrove project through comparing the restoration effects of three restoration models in Dongzhaigang, Hainan, from the perspectives of species composition, community structure, and species diversity, using natural mangrove forests as a control. After 25 years of restoration, there were a total of 16 species of mangrove plants in the study area, with the highest species richness observed in the artificial pond-to-mangrove restoration model. The community structure of the three restoration models was well developed, with Aegiceras corniculatum, Bruguiera sexangula, and Sonneratia apetala being the dominant species in the area. Aegiceras corniculatum and Bruguiera sexangula were the species with vigorously growing population and great renewal potential. With the development of the community, the pond-to-mangrove area is expected to transition toward dominance by native tree species such as Bruguiera sexangula and Aegiceras corniculatum for renewal and succession. From the perspective of the community complexity, individual plant densities in both artificial pond-to-mangrove and artificially assisted pond-to-mangrove models were found, to some extent, to be higher than those of the natural restoration model and natural mangrove. In the pond-to-mangrove project, based on site conditions and cost, appropriate artificial assistance could be prioritized to accelerate the restoration process of mangrove vegetation and increase community species diversity so that a healthy mangrove wetland ecosystem is rebuilt quickly.
TIAN Mi , ZHONG Cairong , LYU Xiaobo , FANG Zanshan , HUANG Danmin . Comparison of mangrove community characteristics in different pond-to-mangrove models in Dongzhaigang[J]. Journal of Tropical Oceanography, 2025 , 44(3) : 58 -65 . DOI: 10.11978/2024126
表1 不同退塘还林模式红树植物种类组成Tab. 1 Species components of mangrove plants in different pond-to-mangrove models |
| 科名 | 种名 | 人工退塘还 林模式区(A) | 人工辅助退塘 还林模式区(B) | 自然修复 模式区(C) | 天然林 对照区(D) |
|---|---|---|---|---|---|
| 卤蕨科 | 卤蕨Acrostichum aureum | + | + | ||
| 海桑科 | 无瓣海桑Sonneratia apetala | + | + | + | + |
| 红树科 | 木榄 Bruguiera gymnorrhiza | + | + | ||
| 红树科 | 海莲 Bruguiera sexangula | + | + | + | + |
| 红树科 | 尖瓣海莲Brguiera sexangula var. rhynchopetala | + | + | + | |
| 红树科 | 角果木 Ceriops tagal | + | + | ||
| 红树科 | 秋茄 Kandelia obovata | + | + | + | |
| 使君子科 | 榄李 Lumnitzera racemosa | + | + | + | + |
| 紫金牛科 | 桐花树 Aegiceras corniculatum | + | + | + | + |
| 马鞭草科 | 白骨壤 Avicennia marina | + | |||
| 爵床科 | 老鼠簕 Acanthus ilicifolius | + | + | + | |
| 大戟科 | 海漆 Excoecaria agallocha | + | + | + | + |
| 豆科 | 水黄皮Pongamia pinnata | + | |||
| 锦葵科 | 黄槿 Hibiscus tilisceus | + | |||
| 锦葵科 | 杨叶肖槿 Thespesia populnea | + | |||
| 马鞭草科 | 苦郎树Clerodendrum inerme | + | |||
| 合计 | 13 | 8 | 10 | 9 | |
注: +代表该区域调查到的物种。 |
表2 群落红树植物的重要值Tab. 2 Importance values of mangrove plant species in the community |
| 模式 | 树种 | RA/% | RF/% | RP/% | Ⅳ/% |
|---|---|---|---|---|---|
| 人工退塘还林模式区(A) | 无瓣海桑 | 5.21 | 22.73 | 53.46 | 27.13 |
| 桐花树 | 46.89 | 22.73 | 10.97 | 26.86 | |
| 海莲 | 25.85 | 18.18 | 17.11 | 20.38 | |
| 榄李 | 13.83 | 4.55 | 6.09 | 8.15 | |
| 木榄 | 2.61 | 13.64 | 1.52 | 5.92 | |
| 杨叶肖槿 | 3.41 | 4.55 | 9.76 | 5.90 | |
| 黄槿 | 1.80 | 4.55 | 0.76 | 2.37 | |
| 尖瓣海莲 | 0.20 | 4.55 | 0.31 | 1.68 | |
| 海漆 | 0.20 | 4.55 | 0.02 | 1.59 | |
| 人工辅助退塘还林模式区(B) | 桐花树 | 44.17 | 22.73 | 17.14 | 28.01 |
| 无瓣海桑 | 4.60 | 18.18 | 52.22 | 25.00 | |
| 海莲 | 25.62 | 22.73 | 16.39 | 21.58 | |
| 秋茄 | 24.63 | 22.73 | 13.08 | 20.14 | |
| 海漆 | 0.33 | 4.55 | 0.98 | 1.95 | |
| 榄李 | 0.49 | 4.55 | 0.16 | 1.73 | |
| 尖瓣海莲 | 0.16 | 4.55 | 0.03 | 1.58 | |
| 自然修复区(C) | 桐花树 | 56.96 | 16.67 | 19.92 | 31.18 |
| 无瓣海桑 | 6.84 | 20.83 | 64.61 | 30.76 | |
| 海莲 | 25.06 | 20.83 | 7.93 | 17.94 | |
| 秋茄 | 8.61 | 20.83 | 3.94 | 11.13 | |
| 木榄 | 0.51 | 8.33 | 0.25 | 3.03 | |
| 海漆 | 1.27 | 4.17 | 2.29 | 2.57 | |
| 榄李 | 0.51 | 4.17 | 0.60 | 1.76 | |
| 白骨壤 | 0.25 | 4.17 | 0.46 | 1.63 | |
| 天然林对照区(D) | 海莲 | 69.48 | 26.32 | 78.44 | 58.08 |
| 桐花树 | 15.72 | 21.05 | 5.95 | 14.24 | |
| 角果木 | 10.93 | 10.53 | 3.65 | 8.37 | |
| 无瓣海桑 | 0.46 | 10.53 | 7.90 | 6.29 | |
| 秋茄 | 1.37 | 10.53 | 1.81 | 4.57 | |
| 榄李 | 1.59 | 10.53 | 1.36 | 4.49 | |
| 海漆 | 0.23 | 5.26 | 0.75 | 2.08 | |
| 尖瓣海莲 | 0.23 | 5.26 | 0.16 | 1.88 |
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