Can Artificial Reefs Really Enhance the Inshore Fishery Resources Along Indian Coast? A Critical Review

Sreekanth, G. B.; Lekshmi, N. Manju; Singh, Narendra Pratap

doi:10.1007/s40011-017-0861-0

Cited by 8 publications

(3 citation statements)

References 19 publications

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“…The first scientifically planned reefs were deployed in 1974 off the Adriatic coast of central Italy (Fabi and Fiorentini, 1994). However, in the Indian scenario, AR was first reported on the Coromandel Coast (Hornell, 1924), whereas the first AR construction was carried out off Puthiyathura village in 1953, and further organized efforts to deploy ARs were initiated from 1980 onward (Sreekanth et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Site Suitability for Artificial Reefs Deployment in Southeast Coast of India Using Geographical Information System as a Management Tool

et al. 2022

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A planned artificial reef (AR) deployment program as part of a fisheries enhancement might be a useful tool for managers to supplement traditional ways to utilize available space and augment local productivity. Several AR deployment initiatives have been carried out globally, but they are rarely subjected to a rigorous site selection process. We created a site selection procedure in this study that includes systematic stages including exclusion mapping, underwater visual transect, benthic composition, seawater quality, and comparative visual mapping. This research focused on restoring the fishing grounds for artisanal fishermen by deploying AR along the southeast coast of India. The results of each stage in the procedure enabled us to choose suitable locations at a target depth with low wave action, no slope, and a good substrate capable of supporting an AR. Analysis of variance (ANOVA-one way) showed significant (p < 0.05) spatial variation for depth, slope, seawater current, salinity, chlorophyll-a, benthic density, and diversity. The geographical information system (GIS) based model output showed space allocation for AR deployment. The GIS methodology for site selection was developed to be easily adaptable to the demands of diverse artificial reef programs. The integrated strategy has proven to be a successful regulatory intervention for AR deployment practices in order to facilitate coastal restoration and management.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Site Suitability for Artificial Reefs Deployment in Southeast Coast of India Using Geographical Information System as a Management Tool

et al. 2022

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“…Nowadays, artificial reefs, submerged structures deliberately constructed or placed on the seabed to emulate some functions of a natural reef, are some of the techniques adopted to protect, regenerate, or enhance the population of living marine resources [8]. Over the last decade, artificial reefs have also been considered to be an effective measure to reduce the impact of human activities on coastal ecosystems and increase fishery production, and recent studies have confirmed these properties [9][10][11][12][13][14][15]. The flow fields generated by artificial reefs are considered to be the source of the major benefits that these structures may have on marine environments.…”

Section: Introductionmentioning

confidence: 99%

An Experimental Investigation of Turbulence Features Induced by Typical Artificial M-Shaped Unit Reefs

et al. 2021

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Artificial reefs are considered to have the function of repairing and improving the coastal habitat and increasing the fishery production, which are mainly achieved by changing the regional hydrodynamic conditions. The characteristics of flow turbulence structure are an important part of the regional hydrodynamic characteristics. Different methods are used to evaluate the performance of artificial reefs according to their shape and the purpose for which the reef was built. For this study, the M-shaped unit reefs, which are to be put into the area of Liaodong Bay, were selected as the research object and have never been fully investigated before. Experimental tests were conducted to assess the effect of these M-shaped artificial reefs on the vertical and longitudinal turbulent intensity under different hydraulic conditions and geometries, and datasets were collected by using the Particle Image Velocimetry technique implemented within the experimental facility. The distribution and variation characteristics of the turbulence intensity were analyzed, and the main results obtained can confirm that in the artificial reef area, there was an extremely clear turbulent boundary. Furthermore, the area of influence of the longitudinal turbulence was identified to be larger than that of the vertical turbulence, and the position where the maximum turbulence intensity appeared was close to where the maximum velocity was measured. Finally, results demonstrate that low turbulence conditions are typically located in front of the unit reef, the general turbulence area is located within the upwelling zone, and the more intense turbulence area is located between the two M-shaped monocases. These results are extremely important, because they provide the local authorities with specific knowledge about what could be the effect of these M-shaped reefs within the area where they will be implemented, and therefore, specific actions can be taken in consideration with the geometrical setup suggested as an optimal solution within this study.

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“…Some active strategic management measures have been implemented worldwide to create more sustainable fisheries, including input-oriented control measures (such as fishing permits, closed fishing areas, and seasonal fishing restrictions) (FAO, 2003;Morison, 2004;Tang, 2011), outputoriented control measures (such as total allowable catches and fishing quotas) (Pope, 2009;Lyu et al, 2022), and technological control measures (such as marine conservation areas, marine life stocks enhancement, and artificial reefs construction) (FAO, 2011;Shen and Heino, 2014;Zhang et al, 2021). Among these measures, artificial reefs (ARs), man-made submarine structures, have the main purpose of increasing the diversity and biomass of fishery resources by providing additional favorable habitats for the organisms living in coastal waters (Sreekanth et al, 2017). Historically, Japan is the first country to research the ecological applications of ARs (OKA, 1962).…”

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confidence: 99%

Acoustic telemetry system as a novel approach for evaluating the effective attraction of fish to artificial reefs

Lyu

Lauden²,

Wang³

et al. 2023

Front. Mar. Sci.

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Due to there being a lack of suitable approaches for evaluating the effectiveness of artificial reefs, two experiments were designed to examine the feasibility of acoustic telemetry, a rapidly developing method for tracking aquatic animals. The first experiment was conducted to understand the deployment procedures of an acoustic telemetry system and determine the appropriate deployment of receivers’ spacing, while the second experiment was conducted to quantify the site fidelity and habitat use of 11 reef fish in the Fangchenggang artificial reef area in the northern South China Sea, China. The results indicated that the logistic regression model was an effective way to balance the detection probability at different distances between the range test transmitter and receiver, with above 50% detection probability within 240 m and 80% detection probability within 110 m. The residency index, as a quantification of site fidelity, was 0.85 ± 0.24. The 100% minimum convex polygon, 95% kernel utilization distribution, and 50% kernel utilization distribution, which are the indicators of habitat use, were 34,522.94 ± 35,548.95, 1,467.52 ± 1,619.05, and 236.01 ± 294.59 m2, respectively. High site fidelity and the small spatial scale of habitat use for reef fish demonstrated that artificial reefs were an effective man-made structure to attract fish. Overall, this study supports the feasibility of the acoustic telemetry system, indicating that it provides a good approach for quantifying the associations between artificial reefs and fish.

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Can Artificial Reefs Really Enhance the Inshore Fishery Resources Along Indian Coast? A Critical Review

Cited by 8 publications

References 19 publications

Evaluation of Site Suitability for Artificial Reefs Deployment in Southeast Coast of India Using Geographical Information System as a Management Tool

Evaluation of Site Suitability for Artificial Reefs Deployment in Southeast Coast of India Using Geographical Information System as a Management Tool

An Experimental Investigation of Turbulence Features Induced by Typical Artificial M-Shaped Unit Reefs

Acoustic telemetry system as a novel approach for evaluating the effective attraction of fish to artificial reefs

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