Variability of marine macrofouling assemblages in a marina and a mariculture centre in Bahrain, Arabian Gulf

Naser, Humood A.

doi:10.1016/j.rsma.2017.09.005

Cited by 12 publications

(8 citation statements)

References 40 publications

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“…As expected, the settlement of macrofouling species was also affected by the local environmental conditions, since the factor "Site" had a strong effect on most measured responses (both univariate and multivariate) for macrofouling recruitment. Many environmental variables can affect the successional patterns of the colonization on hard substrates, and salinity, temperature or water pollution exert obvious influences on the structure of biological assemblages and, consequently, on their functioning (e.g., [40][41][42]). The selected sites, distributed across the coast of Ria de Vigo, differed moderately in numerous abiotic features, such as temperature, salinity, wave exposure and degree of pollution [43][44][45][46].…”

Section: Discussionmentioning

confidence: 99%

The Role of Biofilms Developed under Different Anthropogenic Pressure on Recruitment of Macro-Invertebrates

Cacabelos

Ramalhosa

Canning‐Clode

et al. 2020

IJMS

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Microbial biofilms can be key mediators for settlement of macrofoulers. The present study examines the coupled effects of microbial biofilms and local environmental conditions on the composition, structure and functioning of macrofouling assemblages. Settlement of invertebrates over a gradient of human-impacted sites was investigated on local biofilms and on biofilms developed in marine protected areas (MPAs). Special attention was given to the presence of non-indigenous species (NIS), a global problem that can cause important impacts on local assemblages. In general, the formation of macrofouling assemblages was influenced by the identity of the biofilm. However, these relationships varied across levels of anthropogenic pressure, possibly influenced by environmental conditions and the propagule pressure locally available. While the NIS Watersipora subatra seemed to be inhibited by the biofilm developed in the MPA, Diplosoma cf. listerianum seemed to be attracted by biofilm developed in the MPA only under mid anthropogenic pressure. The obtained information is critical for marine environmental management, urgently needed for the establishment of prevention and control mechanisms to minimize the settlement of NIS and mitigate their threats.

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Section: Discussionmentioning

confidence: 99%

The Role of Biofilms Developed under Different Anthropogenic Pressure on Recruitment of Macro-Invertebrates

Cacabelos

Ramalhosa

Canning‐Clode

et al. 2020

IJMS

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“…The panels were carefully pulled out of the water and each panel was immediately photographed to calculate the percentage coverage of macrofoulers using the ImageJ v.1.00 software, relative to the total surface area of each panel (Schneider et al, 2012). Obtained photos were later used to identify the major macroalgal groups and macrofouling species based on the Global Invasive Species Database 1 and previous taxonomic records of the region (Dobretsov, 2015;Naser, 2017). The total biomass developed on each panel was scraped off using a sterile scalpel and was collected in 50 ml sterile Falcon tubes (Falcon R , United States).…”

Section: Sampling and Quantification Of Biofouling Communitiesmentioning

confidence: 99%

“…Owing to the complexity of the biofouling process, and the involvement of many exogenous and endogenous factors, most studies related to temporal succession of biofouling communities have focused on either micro- (Rampadarath et al, 2017;Pollet et al, 2018;Antunes et al, 2020) or macro-fouling (Naser, 2017;Briand et al, 2018;Navarrete et al, 2020) communities, rather than both together. Short-term, i.e., hourly, and daily succession of microfouling communities has been investigated to identify primary and secondary colonizers (Dang and Lovell, 2000;Pollet et al, 2018;Antunes et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Long-term succession studies mostly involved analyzing microfouling communities that were developed for two (Satheesh and Wesley, 2012;Elifantz et al, 2013) or four weeks per season (Antunes et al, 2020), while analyses pertaining to monthly succession were quite limited (Pinto et al, 2019). Conversely, succession of macrofouling communities has been extensively investigated beginning from two until a maximum of 84 months (Macleod et al, 2016;Naser, 2017;Navarrete et al, 2020). The exploration of spatial effects on micro- (Briand et al, 2012;Muthukrishnan et al, 2017;Rampadarath et al, 2017) and macro-fouling (Macleod et al, 2016;Navarrete et al, 2020) community development extended to several ocean basins, such as the Arabian Gulf (AG), and the Indian and Atlantic oceans.…”

Section: Introductionmentioning

confidence: 99%

“…Biofouling has serious impacts on the maritime and oilrefinery industries in the AG region (Stachowitsch et al, 2002;Naser, 2017;. The environment of AG is unique due to its low-lying slopes, high temperatures, high evaporation rates (0.2-2 m yr −1 ) and salinities (up to 70 ppt), strong monsoon and dry Shamal winds resulting in frequent dust storms (Piontkovski et al, 2012;Al Senafi et al, 2019;Vaughan et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Monthly Succession of Biofouling Communities and Corresponding Inter-Taxa Associations in the North- and South-West of the Arabian Gulf

et al. 2022

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Marine biofouling is a complicated process involving changes within micro- and macro-fouling community, species co-occurrence, and inter-taxa association patterns. An investigation of all above-mentioned aspects has rarely been conducted so far. Our study aimed to compare the monthly succession of the biofouling community developed at two locations each in the north- (Kuwait) and south-west (Oman) of the Arabian Gulf (AG) over 6 months, and to explore the association patterns within microfouling and between micro- and macro-fouling communities on a temporal and spatial scale. Spatio-temporal effects on the abundance and composition of micro- and macro-fouling communities were detected based on total biomass, bacterial and phototroph abundances, macrofouling coverage and 16S rRNA gene sequencing. We documented the development of distinct ecological niches within the fouling community resulting in fundamentally different succession patterns depending on location. Network analysis revealed nine clusters of highly interconnected co-occurring fouling bacterial taxa (M1-M9), with strong association (both positive and negative) to microalgae and macrofoulers in both Kuwait and Oman. Early stages of Kuwait biofilm showed M7 (cyanobacterial OTUs) positively and negatively associated with the majority of diatoms and macroalgae (Cladophoraceae), respectively, unlike the later stages where M5 (composed of Vibrio spp.) was positively associated with polychaetes (Hydroides elegans). While the causal relationships behind the observed inter-taxa associations remain unknown, our study provided insights into the underlying dynamics of biofouling processes encountered in the north- and south-west of the AG. Comprehensive future investigations encompassing transcriptomic or metabolomic tools may be required to address the challenge of interpreting such complicated dynamics over time and space in a continuously changing environment.

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Mapping Bahrain’s subsurface municipal solid waste

Al-Joburi

2018

Arab J Geosci

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Variability of marine macrofouling assemblages in a marina and a mariculture centre in Bahrain, Arabian Gulf

Cited by 12 publications

References 40 publications

The Role of Biofilms Developed under Different Anthropogenic Pressure on Recruitment of Macro-Invertebrates

The Role of Biofilms Developed under Different Anthropogenic Pressure on Recruitment of Macro-Invertebrates

Monthly Succession of Biofouling Communities and Corresponding Inter-Taxa Associations in the North- and South-West of the Arabian Gulf

Mapping Bahrain’s subsurface municipal solid waste

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