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1. MSU-GSC > PART 2: AQUA > Flashcards

PART 2: AQUA Flashcards

1
Q

rearing and breeding of aquatic organisms on confined condition which is more or less controllable by am

A

aquaculture

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2
Q

uses freshwater supplied by spring, stream or river, rain, deep well or lake

A

freshwater aqua

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3
Q

uses combination of freshwater and seawater and is usually located in the mangrove areas where the river flows and mixes with the tidal water

A

brackishwatter

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4
Q

usually located in protected coastal areas and uses only seawater

A

mariculture

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5
Q

period of rising and falling of the water surface of the oceans, seas, bays, mouth of rivers, etc.

A

tidal phenomenon

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6
Q

published by the government by the bureau of coast and geodetic survey, this contains the compilation of tables of predicted time and height of high and low waters each day of the year

A

tide table

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7
Q

prediction for the specific area using the tidal differences and constants of the tide table

A

actual tide gauging

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8
Q

normal length of a step or stride of an individuak

A

pace

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9
Q

defined as the ratio of the measure distance and the number of paces made by an individual to cover the measured distance

A

pace factor

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10
Q

the angle that is referred from the north and south

A

bearing

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11
Q

a clockwise angle measured from a reference direction, usually north

A

azimuth

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12
Q

boundaries of the farm are plotted to scale and area is determined by planimeter

A

planimeter method

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13
Q

area is calculated from the coordinates of the farm

A

double-meridian distance method

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14
Q

are conducted on the farm site to detrrmine the nature of the ground relief of its characteristics

A

topographic surveys

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15
Q

provides the basic horizontal and vertical control in the planning and design of the fishpond

A

topographic map

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16
Q

is a complex of establishments consisting of ponds of various kinds, water control structures and supporting facilities

A

fish farm

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17
Q

is a section of fairly shallow water, used for the controlled farming of fish and other aquatic organisms and laid out in such a way that it may be easily and completely drained

A

pond

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18
Q

all the water course crosses the pond

A

barrage or terrace pond

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19
Q

only a part of the water course crosses the pond

A

diversion pond

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20
Q

the allowd water flow crosses all the ponds

A

linked ponds

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21
Q

each pond has its own individual water supply and outlet

A

parallel ponds

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22
Q

about 2 ft. (0.5-0.7m) deep; series of small ponds

A

nursery ponds

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23
Q

0.75-1.25 m depth;

A

rearing pond

24
Q

is the arrangement of all the fish farm facilities and structures in a proposed site based on the physcial features of the area

A

effective farm layout

25
Q

serves as the foundation of the structure and its elevation for main gates must be lower than the pond elevation

A

floor

26
Q

broadened and extended part of the floor and also generally rests on the foundation piles

0.3

A

apron

27
Q

are provided at both ends of the fate floor to prevent seepage and undercutting of water within the gate’s foundation

0.6m

A

cut-off walls

28
Q

define the waterway in addition to their being retaining walls

A

side or breast walls

29
Q

this is built against the side walls to support or reinforce it

A

buttress

30
Q

provide the transition from the waterway into the main canal in addition to retaining the earth at both sides of the gate

A

wing walls

31
Q

these are reinforce concrete slabs or thick wooden planks that connect the isde walls

A

bridges or catwalks

32
Q

are generally wooden planks, 2.5-5 cm thick and 30 cm wide inserted into grooves

A

flashboards

33
Q

usually made of bamboo strips or fine polyethylene meshes attached to a wooden rectangular frme that fit into the grooves

A

screens

34
Q

these are vertical supports where wooden walls are nailed

A

pillars

35
Q

these wooden members are held or fasten two or more pillars together in a place

A

braces

36
Q

appropriate side slope of dike

A

1:1

37
Q

starts from the main gate and usually traverses the central portion of the fish farm

A

main water supply canal

38
Q

serves the portions where main canal cannot reach. it starts from the main canal and traverses the inner portion of the fishpond

A

secondary water supply canal

39
Q

this is the canal that usually supplies water in the nursery and transition ponds

A

tertiary canal

40
Q

the purpose of this canal is to protect the farm from being flooded with runoff water coming from the watershed

A

diversion canal

41
Q

application of basic engineering principles and procedures to the design and construction of structures and systems for aquaculture

A

aquaculture engineering

42
Q

the first and most important consideration in the suitability of a shrimp farm

A

water

43
Q

a good water quality for shrimp pond should have a salinity of ____; pH range from _____; and a minimum level of DO of ___

A

10-25 ppt
7-8.5
5 ppm

44
Q

configuration of the land surface

A

land topography

45
Q

enclose the entire facility and render overall protection to the cultured stock as well as other related structures

A

perimeter dikes

46
Q

define the size and limits of each grow out compartment

A

secondary or partition dikes

47
Q

second most significant significant structure in an aquaculture farm; regulates water ingress and egress and are responsible for maintaining desired pond water depth

A

gates

48
Q

gates located on the perimeter dike

A

main gates

49
Q

gates located in the partition dikes amd are used to regulate water level in the pond compartments

A

secondary gates

50
Q

open channels constructed on top of the dike equipped with gates to regulate flow of water into the various compartments in the farm

A

flumes

51
Q

a critical process for intensive aquaculture systems, is the addition of oxygen or air-containing oxygen to water

A

aeration

52
Q

take advantage of the energy released when water losses altitude to improve the air-water surface area

A

gravity aerators

53
Q

are devices that break-up or agitate the water surface to attain large oxygen transfer rates

A

surface aerators

54
Q

are devices that inject air oxygen into a body of water in the form of bubbles

A

diffuser aerators

55
Q

consist of a propeller submerged in the liquid to be aerated

A

turbine aerators

56
Q

the main canal starts from the main gate and traverses the central portion of the fishfarm

A

main canal

57
Q

constructed in parts of the fishpond not reached by the main canal; bed width of 2 m

A

secondary supply canal

1. MSU-GSC (13 decks)

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