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  • 2010-2014  (401)
  • 1980-1984  (112)
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  • 1
    facet.materialart.
    Unknown
    Seychelles Fishing Authority | Victoria, Seychelles
    Publication Date: 2021-05-19
    Description: (1). During 2003 a total of 3,852 Metric Tonnes (MT) of fish was landed on Mahe, Praslin and La Digue by 405 fishing boats. 80.5% of the total catch was landed on Mahe alone. The total artisanal catch decreased by 1063 (MT) compared to 2002, whilst the number of boats operating increased by 31 over the same period (excluding sport fishing vessels). (2). The most important species groups landed (greater than 5% of the total catch) were carangues (33.6%), job (15.8%), bourgeois (9.1%), cordonier (6.6%), capitaine (6.1%), becune (6.0%), and maquereau doux (5.4%). Compared to 2002, there were notable increases in the relative importance of cordonier and bourgeois to the overall catch. (3). Peak landings occurred in November (463.7 MT) and the lowest catch was recorded in September (137.3 MT). The average monthly catch in 2003 was 321 (MT). (4). Slight seasonal variation in total catch was observed in 2003. The mean monthly catch during the months of May — October, inclusive; was 290.5 MT, compared to a mean montly catch of 318.1 MT during the months of December — March, inclusive. In contrast to the patterns observed in 2001 and 2002, the highest catches for carangues occurred in November rather than April. Catches of cordonnier continued to increase (254.7 MT) over the previous two years, with peak monthly catches coinciding with the peak spawning months for those species, namely October to December. (5). The percentage of the total artisanal catch taken by the small boat fishery (pirogues and outboards) was 28.3%, similar to the estimate obtained in 2002. Fishermen on foot landed 0.6% of the total artisanal catch, with octopus catches from this fishery totaling 21.3 MT in 2003. 5.4 MT of maquereau were landed by pirogues using beach seines. Carangues (22.6%) replaced maquereau doux (19.2%) as the most important species landed by vessels with outboards in 2003, other important groups in this fishery including cordonier (22.3%) and other trap fish (11.9%). In 2003, landings by the small boats and foot fishermen were divided equally between pelagic and semi-pelagic species (48.2%) and demersal/ reef species (51.8%). (6). Typical of previous years, the whaler handline fishery dominated artisanal fisheries catches, accounting for 63.4% of total landings in 2003. An average of 96 whalers operated each month during 2003, an increase of 5 vessels compared to 2002. Carangues made up 42.1% of the total whaler handline catch. Other important species in the catch were, in order of importance, job gris (22.1%), becune (8.3%) bourgeois (8.3%) and bonite (3.7%). For the second consecutive year, catches of bourgeois by the whaler handline fishery increased, by 22.2% over 2002. (7). A maximum of 16 schooners were in operation during 2002 and these vessels accounted for 6.8% of total landings. Bourgeois was again the most important species caught (36.9%), followed by the 'others' category (18.6%) and job gris (8.5%). The spanner crab Ranina ranina accounted for 5.8% of schooner landings. (8). Fish purchases from the artisanal fisheries by Oceana Fisheries Co. Ltd. were equivalent to 10.4% total landings (400.7 MT). Major species groups purchased were red snappers and bourgeois (219 MT), job (57.4 MT), groupers (30,6 MT), capitaine (23.2 MT), octopus (21.9 MT) and carangue (17 MT). (9). Fish purchases from foreign longline and purse seine vessels by Oceana Fisheries Co. Ltd. were 245.9 MT during 2002. Species purchased were all pelagic, of which bonito bait was the most common (112.8 MT), followed by yellowfin (40.3 MT), dorade (37.3 MT) and skipjack (14.1 MT). (10). Fish exports by Oceana Fisheries Co. Ltd. amounted to 201.1 MT, a decrease of around 25 MT compared to 2002. These exports were valued at SR 5.6 million (C.I.F). Compared to the previous year, the markets shifted in order of importance in 2003, with Mauritius constituting the major importer of Seychelles fish products (69.9 MT), followed by Reunion (55.6 MT), England (50.1 MT) and France (14.6 MT). Pelagic fishes (33.8%), bourgeois (29.5%) and job (15.8%) were the most important fish groups exported. (11). A comparison of data collected between 1991 and 2003 follows, The proportion of catch by boat type and number of boats operating shown in the following table does not include the research vessel (RJV L'Amitie) of the Seychelles Fishing Authority, which landed 3.1 MT of fish in 2003, contributing 0.1% to the total artisanal catch.
    Description: Published
    Keywords: Artisanal fishing ; Landing statistics ; Catch composition ; Fish catch statistics
    Repository Name: AquaDocs
    Type: Report , Non-Refereed
    Format: 82
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  • 2
    facet.materialart.
    Unknown
    Seychelles Fishing Authority | Victoria, Seychelles
    Publication Date: 2021-05-19
    Description: (1). During 2002 an estimated total of 4915 tonnes of fish was landed on Mahe, Praslin and La Digue by 374 fishing boats. 83.1% of the total catch was landed on Mahe alone. The total catch increased by 625 tonnes compared to 2001, and the number of boats operating decreased by 3 over the same period. (2). The most important species groups landed (greater than 5% of the total catch) were carangues (41.5%), job (12.4%), capitaine (6.8%), becune (6.1%), maquereau doux (5.7%) and bourgeois (5.7%). (3). Peak landings occurred in October (576.5 MT) and the lowest catch was recorded in January (222.51 MT). The average catch per month was 409.6 tonnes. (4). Seasonal variation in catches of demersal species was less marked compared to previous years. The mean monthly catch during the SE Trades (May — October, inclusive) was 420.5 MT, compared to a mean monthly catch of 359.4 MT during the NW monsoon (December — March, inclusive). High catches were probably maintained during the period of May to October in 2002 due to the comparatively weak strength of the SE Trades in that year, as determined by lower than average wind speeds for most months in that period (Meteorological Office, pers. comm.). Identical to the pattern observed in 2001, the highest catches for carangues occurred in April. Catches of cordonnier in 2002 (203.0 MT) were more than double those recorded in 2001 (90.5), and were lowest during the period of March to June, inclusive. (5). In total, the small boat fishery accounted for 26.4% of fish landings during 2002. Compared to the total artisanal catch, the percentage catch by boat type for the small boat fishery was as follows: fishermen on foot — 0.6%; pirogues — 0.6%; outboards -25.2% and whalers with traps — 2.2%. Fishermen on foot mostly landed octopus (87.0%), although cordonnier catches by this category were also recorded in 2002 (12.6%). Due to changes in fisheries fieldworker coverage in 2002, landings of maquereau by pirogue were not recorded, with cordonnier (57.6%) and other trap fish (23.2%) dominating landings instead. The predominant species groups landed by outboards were, in order of importance, maquereau doux (22.6%), carangues (21.7%), other trap fish (13.9%) and cordonnier (13.6%). Whalers with traps landed mainly capitaine (61.3%), other trap fish (20.1%) and cordonnier (12.3%). In 2002, landings by the small boat fleet were once again approximately divided equally between pelagic (51.3%) and demersal/ reef species (47.4%). (6). The whaler handline fishery accounted for 67.9% of total landings. An average of 91 whalers operated each month during 2002, indicating an increase of 1 vessel operating when compared to 2001. Carangues made up 52.5% of the total whaler handline catch. Other important species in the catch were, in order of importance, job gris (16.4%), becune (8.4%) bourgeois (5.0%), bordemar (2.6%) and vara vara (2.2%). Catches of Bourgeois decreased by 28.8% in 2002 compared to the catch of 2001. (7). Purchases from the artisanal fisheries by Oceana Fisheries were equivalent to 10.3% of total landings (504.2 MT). Oceana Fisheries purchased all fish from the Port Victoria site. Major species groups purchased were red snappers and bourgeois (57.5%), job (12.7%), groupers (5.2%) and capitaine (5.9 %). (8). Fish purchases from foreign longline vessels were in the order of 152.3 MT of frozen fish (gutted and ungutted) during 2002. Species purchased were all pelagic, of which bonito bait was the most common (98.0 MT), followed by yellowfin (18.9 MT), dorade (12.6 MT) and skipjack (12.6 MT). (9). Fish exports by Oceana Fisheries amounted to 226.6 MT, 85.9% of which was fresh and 14.1% frozen. These exports were valued at SR 7.1 million (CIF). Major destinations for the fish were England (34.5%), Reunion (30.3%) and Mauritius (17.0%). Pelagic fish (41.5%), bourgeois (23.4%), and Job (19.2%). formed the most important fish groups exported. (10). A comparison of data collected between 1990 and 2002 follows. The proportion of catch by boat type and number of boats operating shown in the following table do not include the research vessels of the Seychelles Fishing Authority which landed 11.7 tonnes of fish in 2002, contributing 0.2% of the total catch.
    Description: Published
    Keywords: Artisanal fishing ; Landing statistics ; Catch composition ; Fish catch statistics
    Repository Name: AquaDocs
    Type: Report , Non-Refereed
    Format: 85
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Environmental science & technology 14 (1980), S. 148-153 
    ISSN: 1520-5851
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 102 (1980), S. 4415-4420 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 135 (1983), S. 158-160 
    ISSN: 1432-072X
    Keywords: Methanobacterium formicicum ; Chemostat ; Growth parameters ; Hydrogenase ; Formate dehydrogenase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Growth of Methanobacterium formicicum strain MF was studied in pH-stat batch cultures and formatelimited chemostat cultures. The maxium rate of methanogenesis from formate occurred at pH 7.6 and 43°C and the maximum specific growth rate constant (μm) was 0.08 h-1. The K s and maximum growth yield (Y s max ) were 3.5 mM formate and 1.4 (g dry wt) mol01 formate respectively, and the maintenance coefficient (m) was calculated as 6.8 mmol formate (g dry wt)-1 h-1. The efficiency of electron transport phosphorylation during formate metabolism assuming Y ATP of 10.5 g mol-1 was about 20%. The specific activities of hydrogenase and formate dehydrogenase increased slightly with dilution rate.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 19 (1981), S. 279-285 
    ISSN: 1432-1041
    Keywords: chlordiazepoxide ; alcoholic liver disease ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The clearance of chlordiazepoxide from the systemic circulation was studied in 20 subjects which included 15 patients with alcoholic hepatitis and 5 normal volunteers. The half-life for the appearance of the drug in the systemic circulation was found to increase exponentially with age (r=0.73, P〈0.0005) and was independent of the presence of alcoholic hepatitis. The metabolic clearance of chlordiazepoxide was significantly lower in the patients than in the normal subjects (7.6 compared to 13.8 ml/kg-h, P〈0.005). Linear regression analysis revealed a significant correlation between clearance and albumin (r=0.77, P〈0.00005). However, the predictive value of this relationship was shown to be minimal. Multiple regression analysis produced only a slight improvement in the correlation when both albumin and lactate dehydrogenase were used as variables (r=0.83, P〈0.00005). In six of the patients, a second clearance study was conducted three weeks following their initial one. All repeat subjects showed improvement both clinically and as reflected by their laboratory tests for liver injury, but there was not a significant change in their clearance of chlordiazepoxide. Multiple regression analysis of the clearance data on the initial and repeat subjects showed a significant correlation between clearance and the variables age, albumin, and lactate dehydrogenase (r=0.91, P〈0.0025). This relationship suggests that over a short period of time (where age can be considered constant) changes in albumin and lactate dehydrogenase could be potentially useful in predicting clearance changes in a single individual.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Biochemistry 53 (1984), S. 847-869 
    ISSN: 0066-4154
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Chemistry and Pharmacology , Biology
    Type of Medium: Electronic Resource
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  • 9
    facet.materialart.
    Unknown
    Chicago : Periodicals Archive Online (PAO)
    Economic development and cultural change. 33:1 (1984:Oct.) 211 
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  • 10
    facet.materialart.
    Unknown
    Washington, D.C., etc. : Periodicals Archive Online (PAO)
    The Journal of economic education. 14:3 (1983:Summer) 67 
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