Huge Fish Killing after Rain at Jeddah Coast, The Red Sea, Saudi Arabia

Affan, Md. Abu; Al-Sofyani, Abdulmohsin; Turki, Adnan J.; Hariri, Mohammed Saleh Bakor

doi:10.17582/journal.pjz/2018.50.6.2099.2106

Cited by 3 publications

(7 citation statements)

References 12 publications

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“…It is a complex program of fishery recovery strategy that possess strict procedure from early preparation including parent selection and farming management to later monitor on influence on local species and environment. Recruitments were restricted by several factors: the quality and fitness of releasing individuals (Walters and Juanes, 1993;Caley et al, 1996;Chesson, 1998); the physical and biological constraints (Hughes et al, 1990;Wahle, 2003); and environmental factors imposing controls on population abundances (Kitada et al, 1992;Masuda and Tsukamoto, 1998;Seitz et al, 2008;Affan et al, 2018). As increasing numbers of individuals were released into the natural environment, disadvantages such as inbreeding, competition between releasing and wild population and decline of genetic diversity occurred gradually (Xu et al, 2001;Li et al, 2004;Selly et al, 2014;Grant et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

Preliminary Assessment of Stock Enhancement in Swimming Crab (Portunus trituberculatus) Based on Molecular Markers

Cai¹,

Gao²,

Yan³

et al. 2019

PJZ

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Assessment of the stock enhancement programs is crucial for fishery resources recovery, yet lack of proper methods hinders the precision and accuracy of such assessment. The swimming crab, Portunus trituberculatus is a commercially important species in Chinese fishery industry. However the natural resources of swimming crabs are declining and enhancement programs are being conducted for resources restoration for decades. In this study, 524 female broodstock from 10 hatcheries and 547 recaptured crabs from 6 investigations were used to assess the proportion of released individuals and evaluate the effect of the program in Shandong Province in 2014. Parentage determination between broodstock and recaptured individuals was implemented by using mitochondrial control region fragments and three microsatellite markers. When using mtDNA loci, 242 individuals (44.24%) were excluded for no shared haplotype with broodstock. Further 81 (14.81%) crabs were identified as hatchery-reared individuals based on microsatellite loci from the remaining 305 crabs. Our results also showed high genetic diversity and a certain degree of heterozygote deficiency of natural swimming crab populations. The advancing technology and its unique advantages will make molecular markers as novel and highly-efficient approaches for assessment of stock enhancement.

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Section: Discussionmentioning

confidence: 99%

Preliminary Assessment of Stock Enhancement in Swimming Crab (Portunus trituberculatus) Based on Molecular Markers

Cai¹,

Gao²,

Yan³

et al. 2019

PJZ

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“…that allowed for a faunal commerce between Iran and Arabia. (Affan, et al, 2018) The Red Sea and the west coast of Arabia…”

Section: The Arabo Gulf and The East Coast Of Arabiamentioning

confidence: 99%

“…The result of Tertiary blaming, which was connected to a recharged development on regional Precambrian weaknesses, is the Red Ocean Break Valley. Along the east coast of the Red Sea, three fault-bounded blocks emerged: the non-homogeneous center block, the Asir block in the south, and the Midian block in the north (Affan, et al, 2018).…”

Section: The Arabo Gulf and The East Coast Of Arabiamentioning

confidence: 99%

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Jazan's Catch Chronicles: A Statistical Exploration of Lethrinus Nebulous and Acanthocybium Solandri Fishing (2012-2022)

Alkinani

2024

ABC j. adv. res.

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This study delves into the fascinating world of fisheries data, specifically focusing on two commercially important fish species in the Red Sea: The Lethrinus nebulous (cloud emperor) and the Acanthocybium solandri (wahoo). Through the lens of statistics, this study aims to uncover valuable insights into the population dynamics, catch patterns and potential management strategies for these fish species. By analyzing data from "Jazan's Catch Chronicles," from General Administration of Fisheries Resources (Ministry of Environment, Water and Agriculture) -the Statistical Yearbook 2022-, we employ statistical methods to extract meaningful patterns from the data and answer critical questions. This knowledge can then inform fisheries management practices, ensuring the long-term sustainability of these valuable resources. The findings suggest that the diversity of the catch may have increased slightly over the study period. The number of species with a catch of more than 100 tonnes increased from 5 in 2017 to 7 in 2022. The number of species with a catch of more than 10 tonnes also increased from 14 in 2017 to 17 in 2022. However, further statistical analysis, such as a chi-squared test, is needed to determine if this difference is statistically significant. The study also highlights the importance of balancing data disclosure with species conservation. While detailed location data can be valuable for scientific research, it can also pose threats to endangered species. In the case of the IUCN-listed Cheilinus undulatus (humphead wrasse), a decision tree approach was employed to weigh the risks and rewards of disclosing location data. Considering the species' endangered status and declining population, the study recommends restricting data by masking species IDs and areas or restricting information by publishing high-resolution habitat maps without specific location details. This approach helps balance the need for scientific knowledge with protecting vulnerable species. Overall, this study sheds light on the dynamics of fish populations in the Red Sea, emphasizing the need for sustainable management practices and responsible data handling to ensure the long-term health of these vital marine resources.

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“…By-catch and discards waste from commercial fishing often has the same effect where there are multiple species and quantities discharged (Kahal et al, 2020). In addition, heavy rain leads to sudden death to large amounts of fish as a result of washing ground and contaminates the environment, like what happened in Jeddah in 2016 (Affan et al, 2018). So, the new coastal cities have had a major effect on the Red Sea environment, where the concentration of toxic materialsin the sediment is rising as a result of industrial and urban development in the area (Badr et al, 2009).…”

Section: Pollutionmentioning

confidence: 99%

Status analysis of the Red Sea fisheries in the Kingdom of Saudi Arabia

Solami¹

2020

Egypt. J. of Aquatic Biolo. and Fish.

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Huge Fish Killing after Rain at Jeddah Coast, The Red Sea, Saudi Arabia

Cited by 3 publications

References 12 publications

Preliminary Assessment of Stock Enhancement in Swimming Crab (Portunus trituberculatus) Based on Molecular Markers

Preliminary Assessment of Stock Enhancement in Swimming Crab (Portunus trituberculatus) Based on Molecular Markers

Jazan's Catch Chronicles: A Statistical Exploration of Lethrinus Nebulous and Acanthocybium Solandri Fishing (2012-2022)

Status analysis of the Red Sea fisheries in the Kingdom of Saudi Arabia

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