河口湿地红树林植被恢复对土壤养分动态的影响

乐易迅; 胡敏杰; 肖琳; 赖兴凯; 王硕; 丁思龙; 李婷婷

doi:10.13870/j.cnki.stbcxb.2022.03.047

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河口湿地红树林植被恢复对土壤养分动态的影响

更新时间：2026-04-09

- 河口湿地红树林植被恢复对土壤养分动态的影响
- Effects of Mangrove Vegetation Restoration on Soil Nutrient Dynamics in Estuarine Wetlands
- 水土保持学报 2022年36卷第3期页码：333-337
- 作者机构：
  
  1. 福建农林大学林学院,福州,350002
  2. 福建师范大学地理科学学院,福州,350007
  3. 泉州湾河口湿地自然保护区发展中心,福建,泉州,362000
- 作者简介：
  
  [ "乐易迅(1997-),男,硕士研究生,主要从事湿地恢复和森林培育研究。E-mail:yixun786779224@126.com" ]
- 基金信息：
  
  国家自然科学基金项目(42171102,41801062);福建省林业科学技术研究项目(闽林函[2020]9号);福建省自然科学基金项目(2021J01177)[JP]
- DOI：10.13870/j.cnki.stbcxb.2022.03.047
  中图分类号： S714.2;S725.2
- 网络首发：2022-05-27，
  
  纸质出版：2022
- 稿件说明：
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乐易迅, 胡敏杰, 肖琳, 等. 河口湿地红树林植被恢复对土壤养分动态的影响[J]. 水土保持学报, 2022,36(3):333-337.

LE Yixun, HU Minjie, XIAO Lin, et al. Effects of Mangrove Vegetation Restoration on Soil Nutrient Dynamics in Estuarine Wetlands[J]. 2022, 36(3): 333-337.
乐易迅, 胡敏杰, 肖琳, 等. 河口湿地红树林植被恢复对土壤养分动态的影响[J]. 水土保持学报, 2022,36(3):333-337. DOI： 10.13870/j.cnki.stbcxb.2022.03.047.

LE Yixun, HU Minjie, XIAO Lin, et al. Effects of Mangrove Vegetation Restoration on Soil Nutrient Dynamics in Estuarine Wetlands[J]. 2022, 36(3): 333-337. DOI： 10.13870/j.cnki.stbcxb.2022.03.047.

摘要

以泉州湾河口人工红树林湿地为研究对象

以光滩为对照

采集0—10

10—20

20—30 cm土层土壤

研究不同红树林恢复(桐花树、秋茄、秋茄-桐花树混交林)对河口湿地土壤pH、有机质及主要养分元素(氮磷钾)的影响。结果表明:不同植被恢复模式下土壤pH和有机质含量呈明显的垂直变化特征

相对于无植被的光滩(恢复前)

红树林植被恢复显著降低了土壤pH (P＜0.05)

但增加了土壤有机质含量(P＜0.05)。不同红树林恢复模式下

土壤碱解氮、有效磷、速效钾和全钾含量均大致表现为随土层深度的增加而增加

而全磷含量则表现为随深度的增加而降低。相对于恢复前

红树林植被恢复均增加了表层土壤主要养分(氮磷钾)含量

其中

以桐花树—秋茄混交林的影响最为显著(P＜0.05)。综上

不同模式红树林植被恢复对河口湿地土壤理化性质和养分动态具有明显的调节作用

其中

混交林模式通过高效利用地上地下空间

改善土壤结构和质量

增加生物量和养分归还量

显著改善了土壤养分动态

是河口区植被恢复的优选手段。研究结果可为加强河口红树林湿地养分管理、维护湿地系统养分平衡提供科学参考。

Abstract

In order to investigate the effect of vegetation restoration on soil pH

organic matter and main nutrient elements (nitrogen (N)

phosphorus (P) and potassium (K))

taking the tidal flat as the control

different mangrove restoration modes (Aegiceras corniculatum

Kandelia obovate and mixed forest) in the Quanzhou Bay estuarine wetland were selected in this study. The results showed that soil pH and organic matter contents varied vertically under different restoration modes. Compared with the control

the restoration of mangrove significantly decreased soil pH (P<0.05)

but increased soil organic matter contents (P<0.05). Under different restoration modes

the contents of alkali-hydrolyzable N

available P

available K

and total K increased with the increase of soil depth

while the contents of total P decreased with soil depth. Compared with the control

the mangrove restoration increased the contents of main soil nutrients (N

and K) in the surface soil

especially in the mixed forest (P<0.05). Our results indicated that different mangrove restoration modes have significant regulatory effects on soil physiochemical properties and nutrient dynamics. Among them

the mixed forest mode significantly improved soil nutrient dynamics through efficient utilization of aboveground and underground space

improving soil structure and quality

and increasing biomass and nutrient return

which is the optimal model for vegetation restoration in the estuarine area. The results can provide scientific reference for strengthening nutrient management and maintaining nutrient balance of estuarine mangrove wetland.

关键词

Keywords

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