Community structure and standing crop biomass of a mangrove forest in Futian Nature Reserve, Shenzhen, China

Hydrobiologia ◽  
1995 ◽  
Vol 295 (1-3) ◽  
pp. 193-201 ◽  
Author(s):  
N. F. Y. Tam ◽  
Y. S. Wong ◽  
C. Y. Lan ◽  
G. Z. Chen
Keyword(s):  
Community Structure ◽  
Standing Crop ◽  
Mangrove Forest ◽  
Nature Reserve ◽  
Crop Biomass

The community structure of macroalgae in a low shore mangrove forest in Selangor, Malaysia

Hydrobiologia ◽  
1994 ◽  
Vol 285 (1-3) ◽  
pp. 131-137 ◽  
Author(s):  
Sarala Aikanathan ◽  
A. Sasekumar
Keyword(s):  
Community Structure ◽  
Mangrove Forest

Bacterial community diversity and dynamics of Dongzhai harbor mangrove soils in China

2019 ◽  
Vol 65 (10) ◽  
pp. 703-712
Author(s):  
Peng Li ◽  
Siyu Wu ◽  
Haoneng Yin ◽  
Hongping Wu ◽  
Qin Peng ◽  
...  
Keyword(s):  
Community Structure ◽  
Bacterial Community ◽  
High Throughput Sequencing ◽  
Nature Reserve ◽  
Soil Samples ◽  
Community Diversity ◽  
Orthologous Group ◽  
Bacterial Community Diversity ◽  
National Nature Reserve ◽  
Abundant Otus

Dongzhai Harbor National Nature Reserve is the largest mangrove reserve in China, but the bacterial diversity and community structure of soils in the Dongzhai harbor mangrove (DHM) is still not well known. This study was conducted to characterize and compare the bacterial community diversity and composition of DHM soils in three typical sites (YA, entrance of wastewater and sanitary sewage; YB, located in Dongzhai Harbor National Nature Reserve; YC, near the sea) using high-throughput sequencing of the 16S rDNA. Community statistical analyses suggested that the YB and YC soils have a similar community structure, but they differ from the YA soils significantly. Proteobacteria and Chloroflexi were the ubiquitous and dominant groups that made up nearly 80% of total bacterial communities, but it was noted that Chloroflexi had a higher relative abundance in YA soil samples than YB and YC soil samples and that the operational taxonomic units (OTUs) of Anaerolineaceae, Gammaproteobacteria, and Thiogranum reached extremely significant levels. Interaction network analysis of the 50 most abundant OTUs further demonstrated that the OTUs of YA showed few interactions with YB and YC OTUs, and the Cluster of Orthologous Group (COG) involved in lipid transport and metabolism showed significant differences between the YA and YB soil samples. Our results will greatly help to understand the bacterial community variation of the DHM as human activities enhance and grow, and to identify some challenges for the restoration and management of the mangrove ecosystem.

scholarly journals Macrobenthic community structure and distribution in the Zwin nature reserve (Belgium and The Netherlands)

2009 ◽  
Vol 89 (3) ◽  
pp. 431-438 ◽  
Author(s):  
Carl Van Colen ◽  
Frederik Snoeck ◽  
Kris Struyf ◽  
Magda Vincx ◽  
Steven Degraer
Keyword(s):  
Community Structure ◽  
Nature Reserve ◽  
High Tide ◽  
Multivariate Techniques ◽  
Mobile Species ◽  
Important Prey ◽  
Macrobenthic Community Structure ◽  
Capitella Capitata ◽  
Tidal Pond ◽  
Development And Management

Distribution and structure of intertidal macrobenthic communities in the Zwin nature reserve, a lagoonal inlet consisting of marsh and tidal flat habitats, was investigated using univariate and multivariate analyses. Macrobenthos community structure was related to environmental characteristics and discussed in the framework of the implemented extension of the nature reserve.Based on explorative multivariate techniques, five different sample groups (SGs) were distinguished, which were, in general, located in different habitats of the Zwin nature reserve. The ecologically most important SGs consisted of the highest macrobenthic density, diversity and highest densities of Nereis diversicolor and Scrobicularia plana; these important prey species for wading birds and fish occurred in the deep tidal inlet channels. This habitat was characterized by fine to medium sand sediment and strong tidal currents, guaranteeing water renewal at each high tide. Other SGs were found in less and erratically submersed and thus stressed areas (i.e. tidal pond, salt pans and shallow flats). These assemblages were characterized by typical r-strategists (i.e. Capitella capitata and Polydora cornuta) and typical supralittoral, mobile species (i.e. Orchestia gammarellus and Collembola spp.). Being ecologically most important, the extension of wide, tidal creeks should be a prime target within the future development and management of the nature reserve.

scholarly journals Impacts of exotic mangrove forests and mangrove deforestation on carbon remineralization and ecosystem functioning in marine sediments

2010 ◽  
Vol 7 (2) ◽  
pp. 2631-2671 ◽  
Author(s):  
A. K. Sweetman ◽  
J. J. Middelburg ◽  
A. M. Berle ◽  
A. F. Bernardino ◽  
C. Schander ◽  
...  
Keyword(s):  
Community Structure ◽  
Ecosystem Functioning ◽  
Mangrove Forest ◽  
Mangrove Forests ◽  
Short Term ◽  
Benthic Respiration ◽  
Faunal Abundance ◽  
Carbon Remineralization ◽  
And Control ◽  
Mangrove Biomass

Abstract. To evaluate how mangrove invasion and removal can modify benthic carbon cycling processes and ecosystem functioning, we used stable-isotopically labelled algae as a deliberate tracer to quantify benthic respiration and C-flow through macrofauna and bacteria in sediments collected from (1) an invasive mangrove forest, (2) deforested mangrove sites 2 and 6 years after removal of above-sediment mangrove biomass, and (3) two mangrove-free, control sites in the Hawaiian coastal zone. Sediment oxygen consumption (SOC) rates were significantly greater in the mangrove and mangrove removal site experiments than in controls and were significantly correlated with total benthic (macrofauna and bacteria) biomass and sedimentary mangrove biomass (SMB). Bacteria dominated short-term C-processing of added microalgal-C and benthic biomass in sediments from the invasive mangrove forest habitat. In contrast, macrofauna were the most important agents in the short-term processing of microalgal-C in sediments from the mangrove removal and control sites. Mean faunal abundance and short term C-uptake rates in sediments from both removal sites were significantly higher than in control cores, which collectively suggest that community structure and short-term C-cycling dynamics in habitats where mangroves have been cleared can remain fundamentally different from un-invaded mudflat sediments for at least 6-yrs following above-sediment mangrove removal. In summary, invasion by mangroves can lead to large shifts in benthic ecosystem function, with sediment metabolism, benthic community structure and short-term C-remineralization dynamics being affected for years following invader removal.

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