Displaying publications 1 - 20 of 543 in total

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  1. A 9-year study of shigellosis in Northeast Malaysia: Antimicrobial susceptibility and shifting species dominance
    Banga Singh KK, Ojha SC, Deris ZZ, Rahman RA
    Z Gesundh Wiss, 2011 Jun;19(3):231-236.
    PMID: 21654922
    AIMS: In Malaysia, Shigella spp. is the third most common bacterial agent responsible for childhood diarrhoea. This study was conducted to determine the prevalence and antimicrobial susceptibility patterns of Shigella spp. isolated from patients admitted to the Hospital Universiti Sains Malaysia from January 2001 to December 2009. SUBJECTS AND METHODS: A hospital-based retrospective study was used. Stool samples from patients were cultured using a standard culture method. Shigella spp. isolates were identified by biochemical and serological methods, and the antimicrobial susceptibility pattern was evaluated using the Kirby-Bauer disc-diffusion method. RESULTS: A total of 138 Shigella spp. were isolated from a total of 14,830 routine stool specimens, yielding an isolation rate of 0.93% that corresponded to 9.99% of the 1,381 bacterial pathogens isolated. Of these isolates, S. sonnei was the predominant species, followed by S. flexneri and S. boydii. Seasonal variation was noticed, and no significant differences were detected in the demographic data for S. flexneri and S. sonnei. The susceptibility of all isolated Shigella strains was tested against seven antibiotics. Ceftriaxone (99.1%), ciprofloxacin (98.4%), and nalidixic acid (93.8%) were effective against the Shigella strains, whereas tetracycline and trimethoprim-sulfamethoxazole exhibited high frequencies of resistance (58.4% and 53.8%, respectively). CONCLUSION: This study is important for public health education aimed at reducing the morbidity and mortality associated with Shigella spp. infection. Our results also will be helpful for paediatricians and microbiologists in the selection of appropriate antibiotics for the management of diarrhoea.
    Matched MeSH terms: Seasons
  2. A Bornean peat swamp forest is a net source of carbon dioxide to the atmosphere
    Tang ACI, Melling L, Stoy PC, Musin KK, Aeries EB, Waili JW, et al.
    Glob Chang Biol, 2020 Dec;26(12):6931-6944.
    PMID: 32881141 DOI: 10.1111/gcb.15332
    Tropical peat forests are a globally important reservoir of carbon, but little is known about CO2 exchange on an annual basis. We measured CO2 exchange between the atmosphere and tropical peat swamp forest in Sarawak, Malaysia using the eddy covariance technique over 4 years from 2011 to 2014. The CO2 fluxes varied between seasons and years. A small carbon uptake took place during the rainy season at the beginning of 2011, while a substantial net efflux of >600 g C/m2 occurred over a 2 month period in the middle of the dry season. Conversely, the peat ecosystem was a source of carbon during both the dry and rainy seasons in subsequent years and more carbon was lost during the rainy season relative to the dry season. Our results demonstrate that the forest was a net source of CO2 to the atmosphere during every year of measurement with annual efflux ranging from 183 to 632 g C m-2  year-1 , noting that annual flux values were sensitive to gap filling methodology. This is in contrast to the typical view of tropical peat forests which must have acted as net C sinks over time scales of centuries to millennia to create the peat deposits. Path analyses revealed that the gross primary productivity (GPP) and ecosystem respiration (RE) were primarily affected by vapour pressure deficit (VPD). Results suggest that future increases in VPD could further reduce the C sink strength and result in additional net CO2 losses from this tropical peat swamp forest in the absence of plant acclimation to such changes in atmospheric dryness.
    Matched MeSH terms: Seasons
  3. A Pseudo-nitzschia metabarcoding approach with a calibrated ITS1 reference sequence database applied in the Taiwan Strait
    Niu B, Pang J, Lundholm N, Liang C, Teng ST, Zheng Q, et al.
    Harmful Algae, 2024 Mar;133:102602.
    PMID: 38485439 DOI: 10.1016/j.hal.2024.102602
    Pseudo-nitzschia is a cosmopolitan phytoplankton genus of which some species can form blooms and produce the neurotoxin domoic acid (DA). Identification of Pseudo-nitzschia is generally based on field material or strains followed by morphological and/or molecular characterization. However, this process is time-consuming and laborious, and can not obtain a relatively complete and reliable profile of the Pseudo-nitzschia community, because species with low abundance in the field or potentially unavailable for culturing may easily be overlooked. In the present study, specific ITS primer sets were designed and evaluated using in silico matching. The primer set ITS-84F/456R involving the complete ITS1 region was found optimal. Based on matching with a Pseudo-nitzschia ITS1 reference sequence database carefully-calibrated in this study, a metabarcoding approach using annotated amplicon sequence variants (ASV) was applied in the Taiwan Strait of the East China Sea during two cruises in the spring and summer of 2019. In total, 48 Pseudo-nitzschia species/phylotypes including 36 known and 12 novel were uncovered, and verified by haplotype networks, ITS2 secondary structure comparisons and divergence analyses. Correlation analyses revealed that temperature was a key factor affecting the seasonal variation of the Pseudo-nitzschia community. This study provides an overview of the Pseudo-nitzschia community in the Taiwan Strait, with new insights into the diversity. The developed metabarcoding approach may be used elsewhere as a standard reference for accurate annotation of Pseudo-nitzschia.
    Matched MeSH terms: Seasons
  4. A Review on Mycotoxins in Food and Feed: Malaysia Case Study
    Afsah-Hejri L, Jinap S, Hajeb P, Radu S, Shakibazadeh S
    Compr Rev Food Sci Food Saf, 2013 Nov;12(6):629-651.
    PMID: 33412719 DOI: 10.1111/1541-4337.12029
     Fungi are distributed worldwide and can be found in various foods and feedstuffs from almost every part of the world. Mycotoxins are secondary metabolites produced by some fungal species and may impose food safety risks to human health. Among all mycotoxins, aflatoxins (AFs), ochratoxin A (OTA), trichothecenes, deoxynivalenol (DON and T-2 toxin), zearalenone (ZEN), and fumonisins (FMN) have received much attention due to high frequency and severe health effects in humans and animals. Malaysia has heavy rainfall throughout the year, high temperatures (28 to 31 °C), and high relative humidity (70% to 80% during wet seasons). Stored crops under such conditions can easily be contaminated by mycotoxin-producing fungi. The most important mycotoxins in Malaysian foods are AFs, OTA, DON, ZEN, and FMN that can be found in peanuts, cereal grains, cocoa beans, and spices. AFs have been reported to occur in several cereal grains, feeds, nuts, and nut products consumed in Malaysia. Spices, oilseeds, milk, eggs, and herbal medicines have been reported to be contaminated with AFs (lower than the Malaysian acceptable level of 35 ng/g for total AFs). OTA, a possible human carcinogen, was reported in cereal grains, nuts, and spices in Malaysian market. ZEN was detected in Malaysian rice, oat, barley, maize meal, and wheat at different levels. DON contamination, although at low levels, was reported in rice, maize, barley, oat, wheat, and wheat-based products in Malaysia. FMN was reported in feed and some cereal grains consumed in Malaysia. Since some food commodities are more susceptible than others to fungal growth and mycotoxin contamination, more stringent prevention and control methods are required.
    Matched MeSH terms: Seasons
  5. A comparative longitudinal study of bovine trypanosomiasis in tsetse-free and tsetse-infested zones of the Amhara Region, northwest Ethiopia
    Cherenet T, Sani RA, Speybroeck N, Panandam JM, Nadzr S, Van den Bossche P
    Vet Parasitol, 2006 Sep 10;140(3-4):251-8.
    PMID: 16675127
    A study was conducted to determine the incidence of trypanosome infections in cattle in tsetse-free and tsetse-infested zones of the Amhara Region of northwest Ethiopia. A total of six sentinel herds were established and the cattle observed during a period of 8 consecutive months. The prevalence of seropositive cattle was high in both the tsetse-free and tsetse-infested zones. The average monthly incidence of trypanosome infection, determined using molecular diagnostic tools, was 20.9% and 25.7% in the tsetse-free and the tsetse-infested zones, respectively. In the tsetse-free, Trypanosoma vivax was responsible for 90.9% of the cattle trypanosome infections. In the tsetse-infested zone, Trypanosoma congolense and T. vivax contributed almost equally to the trypanosome infections in cattle. Trypanosome infection, regardless of species, resulted in anaemia as evidenced by a significant decrease in the packed cell volume of the infected animal. The outcome of this longitudinal study suggests that control of trypanosomiasis in the Amhara Region cannot be achieved by tsetse control alone. Supplemental measures to include drug therapy and biting fly control are discussed.
    Matched MeSH terms: Seasons
  6. Fulltext A decade of Japanese encephalitis surveillance in Sarawak, Malaysia: 1997-2006
    Wong SC, Ooi MH, Abdullah AR, Wong SY, Krishnan S, Tio PH, et al.
    Trop Med Int Health, 2008 Jan;13(1):52-5.
    PMID: 18291002 DOI: 10.1111/j.1365-3156.2007.01967.x
    Japanese encephalitis virus (JEV) is an important encephalitis virus in Asia, but there are few data on Malaysia. A hospital-based surveillance system for Japanese encephalitis (JE) has been in operation in Sarawak, Malaysia, for the last 10 years. JEV is endemic in Sarawak, with cases occurring throughout the year and a seasonal peak in the last quarter (one-way anova, P < 0.0001). Ninety-two per cent of 133 cases were children aged 12 years or younger; the introduction of JE vaccination in July 2001 reduced the number of JE cases (84 in the four seasons prior to vs. 49 in the six seasons after, McNemar's test, P = 0.0001). After implementation of the programme, the mean age of infected children increased from 6.3 to 8.0 years (Student's t-test, P = 0.0037), suggesting the need for a catch-up programme.
    Matched MeSH terms: Seasons
  7. Fulltext A four year review of acute viral hepatitis cases in the east coast of peninsular Malaysia (1994-1997)
    Saat Z, Sinniah M, Kin TL, Baharuddin R, Krishnasamy M
    Southeast Asian J. Trop. Med. Public Health, 1999 Mar;30(1):106-9.
    PMID: 10695797
    A total of 1,157 sera from jaundiced patients with clinical and biochemical evidence of liver disease received from government hospital in Kelantan and Terengganu, during the period from 1994 to 1997, were investigated to determine the cause. Hepatitis A virus was found to be the main cause in 26.1% (24/92) of symptomatic clinical hepatitis cases in 1994, 47.8% (63/132) in 1995, 66.4% (613/923) in 1996 and 20% (2/10) in 1997. Sera received in 1996 were also tested for hepatitis B, hepatitis C, hepatitis D and hepatitis E. 1.4% (13/923) anti-bodies were found to be positive for HBc IgM indicating recent HBV infection, 5.4% (50/923) for total HCV Ab, 0.9% (8/923) for total HDV Ab and 0.4% (4/923) for anti-HEV IgM. This study shows that HAV is still a major problem in Kelantan and Terengganu, and there is a need to identify effective strategies for prevention and control in these two states.
    Matched MeSH terms: Seasons
  8. A longitudinal study of the prevalence of Nipah virus in Pteropus lylei bats in Thailand: evidence for seasonal preference in disease transmission
    Wacharapluesadee S, Boongird K, Wanghongsa S, Ratanasetyuth N, Supavonwong P, Saengsen D, et al.
    Vector Borne Zoonotic Dis, 2010 Mar;10(2):183-90.
    PMID: 19402762 DOI: 10.1089/vbz.2008.0105
    After 12 serial Nipah virus outbreaks in humans since 1998, it has been noted that all except the initial event in Malaysia occurred during the first 5 months of the year. Increasingly higher morbidity and mortality have been observed in subsequent outbreaks in India and Bangladesh. This may have been related to different virus strains and transmission capability from bat to human without the need for an amplifying host and direct human-to-human transmission. A survey of virus strains in Pteropus lylei and seasonal preference for spillover of these viruses was completed in seven provinces of Central Thailand between May 2005 and June 2007. Nipah virus RNA sequences, which belonged to those of the Malaysian and Bangladesh strains, were detected in the urine of these bats, with the Bangladesh strain being dominant. Highest recovery of Nipah virus RNA was observed in May. Of two provincial sites where monthly surveys were done, the Bangladesh strain was almost exclusively detected during April to June. The Malaysian strain was found dispersed during December to June. Although direct contact during breeding (in December to April) was believed to be an important transmission factor, our results may not entirely support the role of breeding activities in spillage of virus. Greater virus shedding over extended periods in the case of the Malaysian strain and the highest peak of virus detection in May in the case of the Bangladesh strain when offspring started to separate may suggest that there may be responsible mechanisms other than direct contact during breeding in the same roost. Knowledge of seasonal preferences of Nipah virus shedding in P. lylei will help us to better understand the dynamics of Nipah virus transmission and have implications for disease management.
    Matched MeSH terms: Seasons*
  9. A metagenome for lacustrine Cladophora (Cladophorales) reveals remarkable diversity of eukaryotic epibionts and genes relevant to materials cycling
    Graham LE, Knack JJ, Graham ME, Graham JM, Zulkifly S
    J Phycol, 2015 Jun;51(3):408-18.
    PMID: 26986658 DOI: 10.1111/jpy.12296
    Periphyton dominated by the cellulose-rich filamentous green alga Cladophora forms conspicuous growths along rocky marine and freshwater shorelines worldwide, providing habitat for diverse epibionts. Bacterial epibionts have been inferred to display diverse functions of biogeochemical significance: N-fixation and other redox reactions, phosphorus accumulation, and organic degradation. Here, we report taxonomic diversity of eukaryotic and prokaryotic epibionts and diversity of genes associated with materials cycling in a Cladophora metagenome sampled from Lake Mendota, Dane Co., WI, USA, during the growing season of 2012. A total of 1,060 distinct 16S, 173 18S, and 351 28S rRNA operational taxonomic units, from which >220 genera or species of bacteria (~60), protists (~80), fungi (6), and microscopic metazoa (~80), were distinguished with the use of reference databases. We inferred the presence of several algal taxa generally associated with marine systems and detected Jaoa, a freshwater periphytic ulvophyte previously thought endemic to China. We identified six distinct nifH gene sequences marking nitrogen fixation, >25 bacterial and eukaryotic cellulases relevant to sedimentary C-cycling and technological applications, and genes encoding enzymes in aerobic and anaerobic pathways for vitamin B12 biosynthesis. These results emphasize the importance of Cladophora in providing habitat for microscopic metazoa, fungi, protists, and bacteria that are often inconspicuous, yet play important roles in ecosystem biogeochemistry.
    Matched MeSH terms: Seasons
  10. A preliminary study of the distribution of selected trace metals in the Besut River basin, Terengganu, Malaysia
    Suratman S, Hang HC, Shazili NA, Mohd Tahir N
    Bull Environ Contam Toxicol, 2009 Jan;82(1):16-9.
    PMID: 18665317 DOI: 10.1007/s00128-008-9507-5
    This paper presents a preliminary result carried out in the Besut River basin, Terengganu, Malaysia to determine the selected trace metal concentrations. Concentrations of dissolved Pb, Cu, and Fe during the present study were in the range of 3.3-8.3 microg/L Pb, 0.1-0.3 microg/L Cu, and 1.1-12.3 microg/L Fe. For the particulate fraction concentrations of Pb, Cu, and Fe ranged from 1.0 to 3.6 microg/L, 0.3 to 2.8 microg/L, and 114 to 1,537 microg/L, respectively. The concentrations of metals in this study area, in general, were lower than those reported for other study areas. Higher metal concentrations measured in the wet monsoon season suggest that the input was mainly due to terrestrial runoff.
    Matched MeSH terms: Seasons
  11. Fulltext A preliminary study on the decomposition and dipteran associated with exposed carcasses in an oil palm plantation in Bandar Baharu, Kedah, Malaysia
    Azwandi A, Abu Hassan A
    Trop Biomed, 2009 Apr;26(1):1-10.
    PMID: 19696721 MyJurnal
    This study was carried out in an oil palm plantation in Bandar Baharu, Kedah using monkey carcasses and focuses in documenting the decomposition and dipteran colonization sequences in 50 days. This is the first study of Diptera associated with the exploitation of carcasses conducted in the north of peninsular Malaysia during the dry and wet seasons thereat. During the process of decomposition in both seasons, five phases of decay were recognized namely fresh, bloated, active decay, advance decay and dry remain. In this decomposition study, biomass loss of carcass occurred rapidly during the fresh to active decay stage due to the colonization and feeding activity of the Diptera larvae. The duration of the fresh and bloated stages of decay were the same in wet and dry seasons but later stages of decay were markedly shorter during the wet season. Twenty one species of adult Diptera were identified colonizing carcasses in the study period. Among the flies from the family Calliphoridae, Chrysomya megacephala Fabricius and Chrysomya nigripes Aubertin were recognized as the earliest arrivals on the first day of exposure. Adult Ch. nigripes was abundant for approximately two weeks after placement of the carcasses. By comparing the percentages of adults collected during the study period, the calliphorids abundance in percentages in wet season was 50.83%, but in dry season, the abundance was only about 35.2%. In contrast, the percentage of Sphaeroceridae in wet season was only 3.33%, but in the dry season, the abundance was 20.8%. Dipteran in family Phoridae, Piophilidae, Sepsidae, Drosophilidae and Dolichopodidae colonized the carcasses for a long period of time and were categorized as long term colonizers.
    Matched MeSH terms: Seasons
  12. Fulltext A report of Anopheles (Diptera: Culicidae) attracted to cow bait in a malaria endemic village in Peninsular Malaysia near the Thailand border
    Rahman WA, Abu Hassan A, Adanan CR, Mohd Razha R
    Southeast Asian J. Trop. Med. Public Health, 1995 Jun;26(2):359-63.
    PMID: 8629076
    Twelve species of Anopheles were collected by using cow-baited net trap in a malarial endemic village in northern Peninsular Malaysia. Anopheles maculatus which is the main malaria vector with its densities were related to drought. An. aconitus, An. kochi and An. philippinensis were less susceptible to P. falciparum and P. vivax infection, and are not considered important in falciparum or vivax malaria transmission. Biting activities of An. kochi and An. vagus were primarily active after dusk and steadily declined after midnight. An. maculatus and An. aconitus showed biting activities throughout the night but An. maculatus showed two peaks of biting activity in the first half of the night.
    Matched MeSH terms: Seasons
  13. Fulltext A retrospective study to detect dengue infection in unsuspected fever cases
    Sudipta Poddar, Amiya Kumar Hati
    Malaysian Journal of Medical Research, 2018;2(1):67-70.
    MyJurnal
    Dengue is endemic in Kolkata, India. Outbreaks of dengue cases often occur regularly at short intervals. This
    retrospective seroepidemiological surveillance was conducted longitudinally. Dengue cases were diagnosed
    in the laboratories from suspected patients by dengue specific IgG, IgM antibodies and NS1 antigen, from
    suspected persons to investigate, analyze and categorize the cases who were actually suffering from dengue to
    diagnose a dengue patient in the laboratory practice along with the status of the patient related to the detection
    of disease and duration of primary and secondary infection for effective monitoring of the patient. Age and
    Sex of the dengue patients were determined. Detection of dengue in unsuspected fever cases in unfavorable
    transmission season was evaluated. The transmission of dengue infection in the non-transmission season is
    not remarkable and often remains submerged. Proper measure at this stage may prevent the epidemic
    outbreak in the transmission season. This sort of experience will help to enrich the effective control and case
    management of the menace.
    Matched MeSH terms: Seasons
  14. A seasonal analysis of Chinese births
    Abeysinghe T
    J Appl Stat, 1991;18(2):275-86.
    PMID: 12343764
    Matched MeSH terms: Seasons*
  15. Fulltext A serological study of Japanese encephalitis virus infections in northern Peninsular Malaysia
    Cardosa MJ, Choo BH, Zuraini I
    Southeast Asian J. Trop. Med. Public Health, 1991 Sep;22(3):341-6.
    PMID: 1667957
    This study describes the status of viral encephalitis in Perak, Malaysia during the year 1990. In addition, 14 cases selected from Penang and Perak during the years 1989 and 1990 are presented, with data showing titers of neutralizing antibodies against Japanese encephalitis virus (JEV) and dengue 2 virus, titers of antibodies against JEV and dengue virus antigens as determined by DEIA, and a comparison of these with the presence of IgM to JEV and dengue virus. These data show that there probably is far more viral encephalitis due to JEV in Malaysia than the national figures reflect.
    Matched MeSH terms: Seasons
  16. Fulltext A spatio-temporal agent-based approach for modeling the spread of zoonotic cutaneous leishmaniasis in northeast Iran
    Tabasi M, Alesheikh AA, Sofizadeh A, Saeidian B, Pradhan B, AlAmri A
    Parasit Vectors, 2020 Nov 11;13(1):572.
    PMID: 33176858 DOI: 10.1186/s13071-020-04447-x
    BACKGROUND: Zoonotic cutaneous leishmaniasis (ZCL) is a neglected tropical disease worldwide, especially the Middle East. Although previous works attempt to model the ZCL spread using various environmental factors, the interactions between vectors (Phlebotomus papatasi), reservoir hosts, humans, and the environment can affect its spread. Considering all of these aspects is not a trivial task.

    METHODS: An agent-based model (ABM) is a relatively new approach that provides a framework for analyzing the heterogeneity of the interactions, along with biological and environmental factors in such complex systems. The objective of this research is to design and develop an ABM that uses Geospatial Information System (GIS) capabilities, biological behaviors of vectors and reservoir hosts, and an improved Susceptible-Exposed-Infected-Recovered (SEIR) epidemic model to explore the spread of ZCL. Various scenarios were implemented to analyze the future ZCL spreads in different parts of Maraveh Tappeh County, in the northeast region of Golestan Province in northeastern Iran, with alternative socio-ecological conditions.

    RESULTS: The results confirmed that the spread of the disease arises principally in the desert, low altitude areas, and riverside population centers. The outcomes also showed that the restricting movement of humans reduces the severity of the transmission. Moreover, the spread of ZCL has a particular temporal pattern, since the most prevalent cases occurred in the fall. The evaluation test also showed the similarity between the results and the reported spatiotemporal trends.

    CONCLUSIONS: This study demonstrates the capability and efficiency of ABM to model and predict the spread of ZCL. The results of the presented approach can be considered as a guide for public health management and controlling the vector population .

    Matched MeSH terms: Seasons
  17. A study of two cholera epidemics in the district of Tawau, Sabah (1989-1991)
    Khoo A
    Southeast Asian J. Trop. Med. Public Health, 1994 Mar;25(1):208-10.
    PMID: 7825016
    Matched MeSH terms: Seasons
  18. Fulltext A study on some aspects of the epidemiology of malaria in an endemic district in northern Peninsular Malaysia near Thailand border
    Rahman WA, Adanan CR, Abu Hassan A
    Southeast Asian J. Trop. Med. Public Health, 1998 Sep;29(3):537-40.
    PMID: 10437952
    A study on the distribution of malaria in Hulu Perak district, Peninsular Malaysia was carried out between January and December 1993. The study encompassed the distribution of malaria cases according to sex, age and profession. A total of 332 cases were recorded, with 182 cases occurring in males. The highest infection was observed in the above 15 years old age group. Forest workers (loggers, rattan collectors and forest product gatherers) were the group most exposed to the disease (32.8%), followed by both plantantion workers (32.2%) and aboriginal communities (32.2%). Army and police personnels (2.1%) were also infected. Plasmodium falciparum was the most common species of malaria in the area.
    Matched MeSH terms: Seasons
  19. A survey of amphistomes of cattle and buffaloes slaughtered at the Shah Alam abattoir, Selangor, Malaysia
    Ambu S
    Southeast Asian J. Trop. Med. Public Health, 1978 Sep;9(3):443-4.
    PMID: 749230
    Matched MeSH terms: Seasons
  20. Abundance, Fishing Season and Management Strategy for Blue Swimming Crab (Portunus pelagicus) in Pangkajene Kepulauan, South Sulawesi, Indonesia
    Wiyono ES, Ihsan
    Trop Life Sci Res, 2018 Mar;29(1):1-15.
    PMID: 29644012 DOI: 10.21315/tlsr2018.29.1.1
    In order to manage blue swimming crabs in Pangkajene Kepulauan, management measures are required. Since the environment which affects the abundance of the blue swimming crab varies seasonally, it is necessary to take into account the seasonal nature with the aim of developing a management strategy. The objectives of this study are to define the abundance of and fishing season of blue swimming crabs in the Pangkajene Kepulauan waters, South Sulawesi, Indonesia. The fishing season was analysed using seasonal index analysis, while fish abundance was analysed by means of Equilibrium-Schaefer. The result of this study demonstrated that fishermen allocate their fishing gear all year, although the fish catch is seasonal. Based on analysis of the result, the fishing season for the blue swimming crabs is short. The peak fishing season starts in May and finishes in June. However, in order to enable their families to earn a living, fishermen operated their fishing gear throughout the year. As a result, both catch landing and effort were close to maximum sustainable yield (MSY). In order to reduce fishing pressure, it is necessary to reduce fishing gear and have a seasonal arrangement regarding fishing gear allocation.
    Matched MeSH terms: Seasons
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