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  • Engineering
  • Florida Geological Survey  (8)
  • Tallahassee, FL  (8)
  • FISON  (5)
  • Copernicus
  • Periodicals Archive Online (PAO)
  • Wiley-Blackwell
  • 2020-2022  (13)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Design and construction of 1.5m coracle for pond activities (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23388 | 19325 | 2018-04-10 16:54:44 | 23388 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A coracle 1.5m (LOA) was designed and constructed using hardwood for the frame work and plywood for the base and side covering. It is oval in shape and after construction its light displacement was 24kg and with a dead weight (capacity) of I40kg (2 persons) with a cost estimate of N11,500. (US$83) When placed on water, it floated at a draft of 4.2cm and easily maneuvered by propelling with a paddle. The craft is characterized by light weight, portability, and ability to float at shallow draft. It could be used on shallow water body like ponds for aquaculture thereby increasing fish production.
    Description: Includes:- 2 tables.;1 fig.;4 plates.;6 refs.
    Keywords: Fisheries ; Engineering ; Nigeria ; New Bussa ; Boat construction ; freshwater environment ; Boats ; Construction ; Surface craft
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 80-83
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  • 2
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    Occupation and health hazards in Nigerian coastal artisanal fisheries (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23436 | 19325 | 2018-05-02 08:13:37 | 23436 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: There are more occupational and health hazards in the Fishing Industry than in other occupational categories in the world. In Nigerian Industrial Fisheries, safety measures are regulated while little attention is given to safety standards in the artisanal fisheries. In West Africa, the coastal artisanal canoe fatality rates have been given in 1991-1994 to be 300 to 1,000 per 100,000 fishermen. Thus, the fatality rate in Nigerian artisanal fisheries, (coastal states) has been estimated to be 999 to 3,329 per 100,000 fishermen. The high rate is due to piracy, boundary disputes between fishing communities, unemployment, societal low value for human life and human labour. The paper discusses the various types of accidents associated with artisanal coastal fisheries and give recommendations. Fishermen have rights to safe working conditions in their working environment just as workers in offices and factories on land.
    Description: Includes:-11 refs.
    Keywords: Engineering ; Fisheries ; Sociology ; ASE ; Nigeria ; brackishwater environment ; Hazards ; Navigational hazards ; Hazard assessment ; Health and safety ; Safety regulations
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 128-133
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  • 3
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    Effects of biofouling on shellfish aquaculture (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24205 | 19325 | 2018-05-16 15:31:07 | 24205 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The culture of oysters, clams, scallops, and other molluscs is collectively one of the fastest growing sectors of the aquaculture industry. An inherent issue with shellfish culture methods, particularly for off-bottom culture (i.e. floating trays, racks, long lines, strings, rafts), is biofouling. This can occur directly, by biofouling of the animals themselves, or indirectly, by fouling of cages, nets, filters, and other equipment. Problematic biofouling species have been identified and segmented into six groups: algae, barnacles, mussels, tubeworms, ascidians and hydroids. Controlling and mitigating biofouling can result in significant costs for commercial shellfish culture operations.
    Description: Includes: 1 table and 1 figure.;Also includes: 14 references.
    Keywords: Aquaculture ; Engineering ; Algae ; Barnacles ; Mussels ; Tubeworm ; Ascidians ; Hydroids ; Nigeria ; Port Harcourt ; Epibiosis ; Filter feeding ; Competition for food ; Aquatic invaders ; Marketability ; brackishwater environment ; Fouling ; Shellfish culture ; Methodology ; Off-bottom culture ; Cages ; Nets ; Filters ; Comparative studies ; Fouling organisms ; Fouling control
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 213-215
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  • 4
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    Design and construction of microcontroller-based automatic fish feeding device (2021)
    FISON | Minna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24068 | 19325 | 2018-05-10 10:17:48 | 24068 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: This paper presents the design, construction and demonstration of an automatic fish feeder. It is a microcontroller-based system. This system is designed to dispense a predetermined amount of fish feed into an aquarium at a particular time each day. The device consists of a cylindrical can, distributing tubes and a stand. The dispensing of food is controlled by the use of a stepper motor, which is situated under the canister. A timer controlled switch is used to control the time at which the motor rotates, by a program burned into the microcontroller. The fish feeder was successfully fabricated and tested. It dispenses food automatically at set preset times. It is expected that this device will enhance the fish farming efforts of the local farmers, especially the armature farmers who combine fish farming with other businesses.
    Description: Includes: 4 figs.;Also includes: 9 refs.
    Keywords: Aquaculture ; Engineering ; Nigeria ; freshwater environment ; Aquaria ; Fish culture ; Feeding equipment ; Design
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 11-15
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  • 5
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    Design and building of a monk gate using mild steel plate and carbon steel valve (2021)
    FISON | Lagos (Nigreia)
    In:  http://aquaticcommons.org/id/eprint/24577 | 19325 | 2018-05-20 05:55:29 | 24577 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A design for the building of a monk gate that is safe and easy to operate was constructed for storing water in the pond as water harvesting structures, solving several purposes of farm needs such as supply of water for irrigation, cattle feed, fish production etc. The structure is made from mild steel plate and carbon steel ball valves. It functioned efficiently on installation into a monk designed for it (that has its groove).
    Keywords: Aquaculture ; Engineering ; Nigeria ; Sluices ; Steel plate (mild and stainless) ; Ball valve (carbon or stainless) ; Zinc-oxide and monk gate ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 46-47
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  • 6
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    Well design as a factor contributing to loss of water from the Floridan Aquifer, eastern Clay County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/642 | 3 | 2020-08-24 02:25:04 | 642 | Florida Geological Survey
    Details
    Publication Date: 2021-07-01
    Description: A number of wells penetrating the Floridan aquifer in easternClay County were found to be losing water to permeable zones abovethis aquifer. A differential in artesian pressure was observed in closelyspaced wells of similar depth. Further investigation. revealed thatthe pressure differential in the wells was due to the design of thewells, of which there were four principal types.A comparison of the four types of wells in relation to the subsurfacegeology showed that three types of wells were open to the permeablezones above the Floridan aquifer. In such wells water of relativelyhigh head from the Floridan aquifer moves up through the well boreand out into zones of relatively low head.The estimated water loss from poorly designed wells rangedfrom 32 to 180 gpm (gallons per minute). The artesian head loss inleaky wells ranged from 3 to 15 feet. A total loss of water of 39 mgd(million gallons per day) was estimated from all the leaky wells inthe area. A significant decline of the piezometric surface of the Floridanaquifer was observed in eastern Clay County. Some of this decline canbe attributed to the loss of water from the Floridan aquifer throughthese poorly designed wells. (Document has 16 pages.)
    Keywords: Engineering ; Limnology ; Earth Sciences ; groundwater ; wells ; aquifers ; Clay County ; Florida ; geology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 7
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    Test well exploration in the Myakka River Basin area, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1335 | 3 | 2011-09-29 20:44:07 | 1335 | Florida Geological Survey
    Details
    Publication Date: 2021-07-07
    Description: In recent years, difficulties encountered in obtaining ground-water supplieswith acceptable chemical characteristics in the Myakka River basin area led tothe implementation of a test drilling program. Under this program, well drillingand data collection were executed in such a manner that all water-producingzones of the local aquifers, together with the quality and quantity of the wateravailable, were effectively identified.A step-drilling method was utilized which allowed the collection offormation cuttings, water samples, and water-level data, from isolated zones inthe well as drilling proceeded. The step drilling procedure is described. Thedriller's logs, geophysical logs, and chemical quality of water tables arepresented.(Document has 66 pages.)
    Keywords: Engineering ; Limnology ; Chemistry ; water supply ; groundwater ; Myakka River Basin area ; Florida
    Repository Name: AquaDocs
    Type: monograph
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  • 8
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    Ground-water resources data of Charlotte, DeSoto, and Hardee Counties, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1336 | 3 | 2011-09-29 20:44:11 | 1336 | Florida Geological Survey
    Details
    Publication Date: 2021-07-07
    Description: Charlotte, De Soto, and Hardee counties are east-southeast ofTampa in west-central peninsular Florida, figure 1. In order toplan the future water-resource development of the area, informationabout the water resources is needed. To meet this need, the WaterResources Division of the U.S. Geological Survey, in cooperationwith the Peace River Basin Board of the Southwest Florida WaterManagement District as part of the statewide cooperative programwith the Division of Geology, Florida Board of Conservation, begana continuing hydrologic data collection program in July, 1963, asan initial step in the investigation and evaluation of the groundwaterresources of Hardee and De Soto counties. A similar hydrologicdata program commenced in Charlotte County in July, 1964.Previous work in Hardee and De Soto counties included aone year reconnaissance by the Division of Water Resources andConservation, Florida Board of Conservation, which concluded inJune, 1963, and resulted in a hydrologic report (Woodard, 1964).As an outgrowth of the hydrologic data program, a Map Seriesreport portraying the chemical character of water in the Floridanaquifer in the southern Peace River basin was prepared in 1967(Kaufman and Dion).The data contained herein constitute the basis for the MapSeries report. Additional selected data, including records of wellsand chemical analyses,, on the ground-water resources of the threecounty area are also included and are published to make the dataavailable.(Document has 28 pages.)
    Description: Prepared by the UNITED STATES GEOLOGICAL SURVEY in cooperation with the DIVISION OF GEOLOGY FLORIDA BOARD OF CONSERVATION and the SOUTHWEST FLORIDA WATER MANAGEMENT DISTRICT
    Keywords: Engineering ; Limnology ; Chemistry ; groundwater ; Charlotte County ; DeSoto County ; Hardee County ; Florida
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 9
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    Water resource records of the Econfina Creek Basin area, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1337 | 3 | 2011-09-29 20:44:17 | 1337 | Florida Geological Survey
    Details
    Publication Date: 2021-07-07
    Description: The Econfina Creek basin area in northwestern Florida, which includes BayCounty, southeastern Washiigton County, and parts of Calhoun, Gulf, andJackson counties is shown in figure 1. The basin has an abundant supply ofground water and surface water of good quality. This determination is based ona three-year investigation of the water resources of the basin by the U. S.Geological Survey in cooperation with the Division of Geology, Florida Board ofConservation, during the period from October 1961 through June 1964. Thepurpose of this report is to assemble the basic data collected during thisinvestigation for those persons interested in water development or managementin this basin.(Document has 131 pages.)
    Description: Prepared by the United States Geological Suvey in cooperation with the Division of Geology, Florida Board of Conservation
    Keywords: Engineering ; Limnology ; Chemistry ; Water quality ; Econfina Creek ; Florida
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 10
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    Seepage beneath Hoover Dike southern shore of Lake Okeechobee, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1867 | 3 | 2011-09-29 19:57:08 | 1867 | Florida Geological Survey
    Details
    Publication Date: 2021-07-10
    Description: Future water needs in southern Florida call for an increase in the storagecapacity of Lake Okeechobee. Seepage from the lake is expected to increase as aresult of raising the lake level. Data concerning the occurrence and amounts ofseepage are needed for the design and operation of flood-control works whichwill remove excess water from the rich agricultural lands along the southernshore. Intensive studies at five sites along the southern shore of LakeOkeechobee between the Caloosahatchee Canal and the St. Lucie Canal indicatethat seepage occurs chiefly through beds of shell and limestone which underliethe Hoover Dike at shallow depth. Seepage rates at the five sites range fromabout 0.1 to 0.9 cfs per mile per foot of head across the dike. Seepage beneaththe 50-mile length of dike should increase from about 22 to 50 cfs if the averagestage of the lake is raised from 14 to 16.5 feet. Seepage is greatest betweenMoore Haven and Clewiston, where deep borrows have been excavated on thelandward and lakeward sides of the dike. Most of the seepage from the lake canbe controlled by properly spaced toe ditches which would intercept the seepageand return it to the lake. (PDF contains 108 pages.)
    Keywords: Limnology ; Engineering ; Planning ; Lake Okeechobee ; Florida ; water seepage ; water supply
    Repository Name: AquaDocs
    Type: monograph
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