Resilience of Zostera noltii to burial or erosion disturbances
Han, Qiuying1,2; Bouma, Tjeerd J.2; Brun, Fernando G.3; Suykerbuyk, Wouter2,4; van Katwijk, Marieke M.4
发表期刊MARINE ECOLOGY PROGRESS SERIES
ISSN0171-8630
2012
卷号449期号:.页码:133-143
关键词Recovery Rhizome Growth Burial Erosion Disturbances Zostera Noltii Seagrass Resilience
产权排序[Han, Qiuying] CAS, Yantai Inst Coastal Zone Res YIC, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc,YICCAS, Yantai 264003, Shandong, Peoples R China; [Han, Qiuying; Bouma, Tjeerd J.; Suykerbuyk, Wouter] Netherlands Inst Ecol NIOO KNAW, Ctr Estuarine & Marine Ecol, NL-4400 AC Yerseke, Netherlands; [Brun, Fernando G.] Univ Cadiz, Fac Marine & Environm Sci, Dept Biol, Cadiz 11510, Spain; [Suykerbuyk, Wouter; van Katwijk, Marieke M.] Radboud Univ Nijmegen, Inst Water & Wetland Res, Dept Environm Sci, NL-6525 AJ Nijmegen, Netherlands
通讯作者Han, QY (reprint author), CAS, Yantai Inst Coastal Zone Res YIC, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc,YICCAS, Yantai 264003, Shandong, Peoples R China. qyhan@yic.ac.cn
作者部门近岸生态与环境试验室 
英文摘要Dynamic environments like seagrass habitats are characterised by continuous local erosion and burial processes, which may induce seagrass decline if disturbances become too intense or frequent. We aim to quantify for Zostera noltii the resilience of both the edge of a meadow and individual propagules to local-scale burial and erosion events. In a set of mesocosm and in situ manipulation experiments, we varied the frequency (sudden vs. continuous rate) and intensity (different levels; -6 cm erosion to 6 cm burial) of sediment dynamics. Our results showed that the intensity of the disturbance event (-6 up to 6 cm) was negatively correlated with plant survival. Burial frequency also had a significant effect on plant survival, with sudden events having a stronger negative impact than continuous ones. Both experiments, on individual propagules and attached rhizomes at meadow edges, demonstrated a rapid acclimatization of seagrass plants to sediment dynamics within certain levels of disturbance (-6 up to 6 cm). After erosion or burial, all surviving plants in the field and mesocosm experiments were able to relocate their rhizomes to the preferential depth (from 0.3 to 0.8 cm), which was the depth at which the rhizomes of undisturbed plants were most frequently found in the field. In situ manipulation experiments showed that at the edge of the meadow, Z. noltii invaded experimentally created hollows more easily than hills. Overall, our results demonstrate that Z. noltii meadows can rapidly recover by clonal growth after modest sediment disturbance, thereby contributing to the current understanding of seagrass recovery mechanisms following disturbances (e.g. sediment dynamics).; Dynamic environments like seagrass habitats are characterised by continuous local erosion and burial processes, which may induce seagrass decline if disturbances become too intense or frequent. We aim to quantify for Zostera noltii the resilience of both the edge of a meadow and individual propagules to local-scale burial and erosion events. In a set of mesocosm and in situ manipulation experiments, we varied the frequency (sudden vs. continuous rate) and intensity (different levels; -6 cm erosion to 6 cm burial) of sediment dynamics. Our results showed that the intensity of the disturbance event (-6 up to 6 cm) was negatively correlated with plant survival. Burial frequency also had a significant effect on plant survival, with sudden events having a stronger negative impact than continuous ones. Both experiments, on individual propagules and attached rhizomes at meadow edges, demonstrated a rapid acclimatization of seagrass plants to sediment dynamics within certain levels of disturbance (-6 up to 6 cm). After erosion or burial, all surviving plants in the field and mesocosm experiments were able to relocate their rhizomes to the preferential depth (from 0.3 to 0.8 cm), which was the depth at which the rhizomes of undisturbed plants were most frequently found in the field. In situ manipulation experiments showed that at the edge of the meadow, Z. noltii invaded experimentally created hollows more easily than hills. Overall, our results demonstrate that Z. noltii meadows can rapidly recover by clonal growth after modest sediment disturbance, thereby contributing to the current understanding of seagrass recovery mechanisms following disturbances (e.g. sediment dynamics).
文章类型Article
资助机构Chinese Academy of Sciences; National science and technology support plan project of China[2010BAC68B01]
收录类别SCI
语种英语
关键词[WOS]NORTHERN WADDEN SEA ; SEAGRASS LANDSCAPE ; INTERTIDAL SEAGRASS ; VERTICAL GROWTH ; SALT-MARSHES ; MARINA ; DYNAMICS ; BEDS ; AUSTRALIA ; RECOVERY
研究领域[WOS]Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Oceanography
WOS记录号WOS:000301231500011
引用统计
被引频次:36[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/5543
专题中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
作者单位1.CAS, Yantai Inst Coastal Zone Res YIC, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc,YICCAS, Yantai 264003, Shandong, Peoples R China
2.Netherlands Inst Ecol NIOO KNAW, Ctr Estuarine & Marine Ecol, NL-4400 AC Yerseke, Netherlands
3.Univ Cadiz, Fac Marine & Environm Sci, Dept Biol, Cadiz 11510, Spain
4.Radboud Univ Nijmegen, Inst Water & Wetland Res, Dept Environm Sci, NL-6525 AJ Nijmegen, Netherlands
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Han, Qiuying,Bouma, Tjeerd J.,Brun, Fernando G.,et al. Resilience of Zostera noltii to burial or erosion disturbances[J]. MARINE ECOLOGY PROGRESS SERIES,2012,449(.):133-143.
APA Han, Qiuying,Bouma, Tjeerd J.,Brun, Fernando G.,Suykerbuyk, Wouter,&van Katwijk, Marieke M..(2012).Resilience of Zostera noltii to burial or erosion disturbances.MARINE ECOLOGY PROGRESS SERIES,449(.),133-143.
MLA Han, Qiuying,et al."Resilience of Zostera noltii to burial or erosion disturbances".MARINE ECOLOGY PROGRESS SERIES 449..(2012):133-143.
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