The Effect of Temporal and Environmental Conditions on Catch Rates of the Narrow-Barred Spanish Mackerel Setnet Fishery in Khanh Hoa Province, Vietnam
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Data Collection
2.3. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
References
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Year | # of Fishing Days | Total Catch (kg) | Month | # of Fishing Days | Total Catch (kg) |
---|---|---|---|---|---|
2005 | 53 | 23,456.9 | 2 | 6 | 1304.5 |
2006 | 48 | 26,726.0 | 3 | 87 | 20,181.5 |
2007 | 21 | 17,689.9 | 4 | 177 | 93,758.8 |
2008 | 71 | 26,054.7 | 5 | 145 | 62,719.2 |
2009 | 70 | 10,832.3 | 6 | 102 | 14,704.7 |
2010 | 50 | 16,032.0 | 7 | 64 | 12,235.3 |
2011 | 114 | 44,671.9 | 8 | 60 | 23,170.5 |
2012 | 69 | 25,205.9 | 9 | 12 | 3769.9 |
2013 | 36 | 2859.2 | Sum | 653 | 231,844 |
2014 | 66 | 28,619.3 | |||
2015 | 27 | 2698.2 | |||
2016 | 28 | 6998.3 | |||
Sum | 653 | 231,844.5 |
Common Name | Species Name | Total Catch (ton) | Percent (%) |
---|---|---|---|
Target species (retained) | |||
Narrow-barred Spanish mackerel | Scomberomorus commerson | 231.84 | 60.4 |
Incidental catch (retained) | |||
Flat needlefish | Ablennes hians | 0.89 | 0.2 |
Unicorn leatherjacket filefish | Aluterus monoceros | 2.43 | 0.6 |
Frigate tuna | Auxis thazard thazard | 5.61 | 1.5 |
Limpid-wing flyingfish | Cheilopogon unicolor | 3.45 | 0.9 |
Redtail scad | Decapterus kurroides | 8.98 | 2.3 |
Shortfin scad | Decapterus macrosoma | 7.2 | 1.9 |
Japanese scad | Decapterus maruadsi | 4.78 | 1.2 |
Black-spotted grouper | Epinephelus epistictus | 2.13 | 0.6 |
Kawakawa | Euthynnus affinis | 1.46 | 0.4 |
Skipjack tuna | Katsuwonus pelamis | 39.9 | 10.4 |
Squid | Loligo chinensis | 3.46 | 0.9 |
Red snapper | Lutjanus sanguineus | 4.21 | 1.1 |
Torpedo scad | Megalaspis cordyla | 6.27 | 1.6 |
Moontail bullseye | Priacanthus hamrur | 7.82 | 2.0 |
Bigeye scad | Selar crumenophthalmus | 6.73 | 1.8 |
Bigfin reef squid | Sepioteuthis lessoniana | 1.84 | 0.5 |
Mottled spinefoot | Siganus fuscescens | 5.32 | 1.4 |
Spotted mackerel | Somber autralasicus | 17.2 | 4.5 |
Bigeye barracuda | Sphyraena forsteri | 3.7 | 1.0 |
Swordfish | Xiphias gladius | 18.62 | 4.8 |
Other species | 0.21 | 0.1 | |
Sum | 384.05 | 100 |
GCV | Adjusted R2 | Deviance Explained | AIC | Predictors | edf | Ref.df | F | p |
---|---|---|---|---|---|---|---|---|
1.816 | 0.62 | 53.2% | 8777.755 | s(Year) | 9.851 | 10 | 6.805 | <0.001 |
s(DoY) | 7.438 | 9 | 7.364 | <0.001 | ||||
s(Moon phase) | 1.309 | 2 | 1.599 | 0.012 | ||||
s(Temperature) | 2.883 | 3 | 4.985 | 0.002 |
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Vu, N.K.; Nguyen, K.Q. The Effect of Temporal and Environmental Conditions on Catch Rates of the Narrow-Barred Spanish Mackerel Setnet Fishery in Khanh Hoa Province, Vietnam. Fishes 2025, 10, 257. https://doi.org/10.3390/fishes10060257
Vu NK, Nguyen KQ. The Effect of Temporal and Environmental Conditions on Catch Rates of the Narrow-Barred Spanish Mackerel Setnet Fishery in Khanh Hoa Province, Vietnam. Fishes. 2025; 10(6):257. https://doi.org/10.3390/fishes10060257
Chicago/Turabian StyleVu, Nghiep Ke, and Khanh Quoc Nguyen. 2025. "The Effect of Temporal and Environmental Conditions on Catch Rates of the Narrow-Barred Spanish Mackerel Setnet Fishery in Khanh Hoa Province, Vietnam" Fishes 10, no. 6: 257. https://doi.org/10.3390/fishes10060257
APA StyleVu, N. K., & Nguyen, K. Q. (2025). The Effect of Temporal and Environmental Conditions on Catch Rates of the Narrow-Barred Spanish Mackerel Setnet Fishery in Khanh Hoa Province, Vietnam. Fishes, 10(6), 257. https://doi.org/10.3390/fishes10060257