Changes in the Macrobenthic Faunal Community during Succession of a Mangrove Forest at Zhanjiang, South China

Chen, Quan; Li, Jing; Zhang, Limin; Lü, Hongfang; Ren, Hai; Jian, Shuguang

doi:10.2112/jcoastres-d-13-00019.1

Cited by 27 publications

(46 citation statements)

References 38 publications

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“…Each site supported a mangrove community at a different stage of succession as described by Chen et al 39, who studied the macrobenthic faunal communities at these sites. Site US-1 was an unvegetated shoal (the primary successional stage).…”

Section: Methodsmentioning

confidence: 99%

Mangrove succession enriches the sediment microbial community in South China

Chen

Zhao

et al. 2016

Sci Rep

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Sediment microorganisms help create and maintain mangrove ecosystems. Although the changes in vegetation during mangrove forest succession have been well studied, the changes in the sediment microbial community during mangrove succession are poorly understood. To investigate the changes in the sediment microbial community during succession of mangroves at Zhanjiang, South China, we used phospholipid fatty acid (PLFA) analysis and the following chronosequence from primary to climax community: unvegetated shoal; Avicennia marina community; Aegiceras corniculatum community; and Bruguiera gymnorrhiza + Rhizophora stylosa community. The PLFA concentrations of all sediment microbial groups (total microorganisms, fungi, gram-positive bacteria, gram-negative bacteria, and actinomycetes) increased significantly with each stage of mangrove succession. Microbial PLFA concentrations in the sediment were significantly lower in the wet season than in the dry season. Regression and ordination analyses indicated that the changes in the microbial community with mangrove succession were mainly associated with properties of the aboveground vegetation (mainly plant height) and the sediment (mainly sediment organic matter and total nitrogen). The changes in the sediment microbial community can probably be explained by increases in nutrients and microhabitat heterogeneity during mangrove succession.

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Section: Methodsmentioning

confidence: 99%

Mangrove succession enriches the sediment microbial community in South China

Chen

Zhao

et al. 2016

Sci Rep

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“…Regression analysis and canonical redundancy analysis (RDA) were calculated to investigate the relationships between environmental factors (vegetation characteristics and sediment physiochemical properties of mangrove communities; these data were obtained from Chen et al (2015Chen et al ( , 2016) and the benthic protozoan communities at the different sites and in different seasons. Two-way ANOVAs were used to assess the effect of the site 9 season interaction on the structures of protozoan communities.…”

Section: Discussionmentioning

confidence: 99%

“…The raw data for vegetation characteristics and sediment physiochemical properties were obtained from Chen et al (2015Chen et al ( , 2016. The raw data for vegetation characteristics and sediment physiochemical properties were obtained from Chen et al (2015Chen et al ( , 2016. 3.…”

Section: Discussionmentioning

confidence: 99%

“…1). The mean annual precipitation ranges from 1500 to 2000 mm, and most of the precipitation occurs during the summer (Chen et al 2015). 1.…”

Section: Study Areamentioning

confidence: 99%

“…Thus, these components of the mangrove benthos have been extensively studied (Kathiresan and Bingham 2001). Moreover, Chen et al (2015Chen et al ( , 2016 have already investigated the dynamics of macrobenthic fauna and sediment microorganism during a mangrove succession at Zhanjiang, China. However, benthic protozoa have rarely been studied in mangroves (Liao et al 2009, Li et al 2010) and have never been studied with respect to mangrove succession.…”

Section: Introductionmentioning

confidence: 99%

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Changes in the benthic protozoan community during succession of a mangrove ecosystem in Zhanjiang, China

Chen

Zhao

et al. 2018

Ecosphere

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The protection and restoration of mangrove ecosystems depend on understanding the interaction between benthic organisms and mangrove succession. Although benthic protozoa are important in such ecosystems, protozoan community dynamics have seldom been studied during the mangrove succession. The benthic protozoa of a mangrove chronosequence that included a primary community (unvegetated shoal), an early community (Avicennia marina), a middle community (Aegiceras corniculatum), and a late community (Bruguiera gymnorrhiza + Rhizophora stylosa) were investigated to determine the changes in the benthic protozoan community during a mangrove succession at Zhanjiang, China. A total of 62 benthic protozoa taxa belonging to three classes, 26 orders, and 38 families were recorded. The abundance of benthic protozoa decreased significantly during mangrove succession, while species richness and diversity changed irregularly. Hierarchical clustering indicated that the distribution of the benthic protozoa closely corresponded with the mangrove successional stages. Further analyses indicated that the changes in the benthic protozoan community with mangrove succession were associated with the changes in total sediment nitrogen content and especially with vegetation characteristics, including plant height and crown breadth. The decline in the abundance of benthic protozoa during mangrove succession may be explained by the deterioration of benthic protozoan microhabitats. However, determining whether these or other factors are responsible for the change in the benthic protozoan community during mangrove succession will require additional research.

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Analysis of coastal storm damage resistance in successional mangrove species

Hespen

Peng

et al. 2021

Limnology & Oceanography

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Use of mangrove ecosystems for coastal flood protection requires reliable predictions of mangrove wave attenuation, especially if this capacity lessens due to storm-induced forest damage. Quantifying and understanding the variation in drag forces and mechanical properties of mangrove vegetation can improve assessment of mangrove protective capacity. We studied five mangrove species common in the subtropical Pearl River Delta, south China. The studied species range from typically landward-occurring to more seaward-occurring pioneer species. We sampled across seven sites in the delta to study the impact of salinity on mechanical properties. We quantified strength and flexibility of branches (branch strength and flexibility related to branch diameter, modulus of rupture and modulus of elasticity), leaf strength (leaf attachment strength related to leaf size, and leaf mass per area) and drag properties (drag force related to surface area and drag coefficient). For all tested species, larger branch diameters resulted in higher mechanical strength. Larger leaf size resulted in larger peak pulling forces and larger branch surface area resulted in stronger drag forces. Notably, species that generally occur lower in the intertidal zone, where exposure to wind and waves is higher, had relatively stronger branches but more easily detachable leaves. This may be regarded as a damage-avoiding strategy. Across the seven field sites, we found no clear effect of salinity on mangrove mechanical properties. This study provides a mechanistic insight in the storm damage process for individual mangrove trees and a solid base for modeling storm (surge) damage at the forest scale.

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Changes in the Macrobenthic Faunal Community during Succession of a Mangrove Forest at Zhanjiang, South China

Cited by 27 publications

References 38 publications

Mangrove succession enriches the sediment microbial community in South China

Mangrove succession enriches the sediment microbial community in South China

Changes in the benthic protozoan community during succession of a mangrove ecosystem in Zhanjiang, China

Analysis of coastal storm damage resistance in successional mangrove species

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