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AREA 2 - CLSU > Aquaculture > Flashcards

Aquaculture Flashcards

CLSU - Part 2

1
Q

fishery operation of all of forms of raising and culturing fish and other fishery species in fresh, brackish, and marine water areas

A

Aquaculture

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2
Q

use of an aquaculture organism to make a product or run a process.

A

aquaculture biotechnology

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3
Q

a multi-disciplinary field of engineering that aims to solve technical problems associated with farming aquatic vertebrates, invertebrates, and algae.

A

aquaculture engineering

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4
Q

the farming facility used in the culture or propagation of aquatic species including fish, mollusk, crustaceans and aquatic plants for purposes of rearing and culturing to enhance production

A

aquafarm

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5
Q

and artificial enclosure within a boy of water for culturing fish, enclosed with wooden material, screen, or nylon netting to prevent escape of fish

A

fish pen

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5
Q

an enclosure which is either stationary or floating made up of nets or screens sewn or fastened together and installed in the water with opening at the surface or covered and held in place by wooden/ bamboo posts or various types of anchors and floats

A

fish cage

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6
Q

is a land-based facility enclosed with earthen or stone material to impound water for growing

A

fishpond

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6
Q

refers to mixed seawater and freshwater and salinity varies with the tide ex: estuaries, mangroves and mouth of rivers

A

brackishwater

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7
Q

fish of any particular species which a re raised for reproduction purposes

A

brood stock

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7
Q

refers to all kinds of harvesting of naturally occurring living resources in both marine and freshwater environment

A

capture fisher

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8
Q

the catching of fish with the use of fishing boats with a capacity of more than 3 gross tons for trade, business or profit

A

commercial fishing

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9
Q

artificial holding areas used to rear fish farm stocks

A

culture tanks

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9
Q

waters beyond municipal waters marked by coordinated drawn from two points on the seaward border extending to EXCLUSIVE ECONOMIC ZONE (EEZ)

A

commercial water

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9
Q

artificial holding areas used to rear fish farm stocks

A

culture tanks

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10
Q

the unprocessed value excluding the costs of packaging or transport of the adequate product to its first point of sale

A

farm gate value

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11
Q

development stage of fish following the fry stage and continuing into the first three to four months of life. young fish larger than fry but not yet an adult

A

fingerling

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12
Q

a term used to distinguish true fish, having fins and gills, from shellfish, crayfish, jelly fish

A

finfish

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12
Q

locations used to grow populations of aquatic organisms, primarily fish

A

fish farm

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12
Q

commercially processed food source used in fish farming as a source of protein for the fish stock

A

fish meal

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12
Q

the breeding and rearing of fish for a variety of reasons

A

fish husbandry

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13
Q

a description of the number of fish stock to die in a specific amount of time

A

fish kill

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14
Q

refers to people who are directly or personally and physically engaged in catching and/or culturing and processing fishery and/or aquatic resources

A

fisherfolk

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15
Q

refers to a classification of workers who catch, breed, and raise fish and cultivate other forms of aquatic life for sale or delivery on a regular basis to wholesale buyers, marketing organizations or at markets

A

fishermen

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15
Q

refers to all aquatic flora and fauna, including but not restricted to fish, algae, coelenterates, mollusks, etc

A

fishery species

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15
Q

a type of watercraft, such as motorized/non-motorized banca, sailboat, motorboat, etc used for fishing purposes

A

fishing boat

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15
Q

is a collective variable pertaining to manpower, machine power, and technology employed in harvesting fishery resources

A

fishing efforts

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16
Q

is any instrument or device and its accessories utilized in taking fish and other fishery species

A

fishing gear

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17
Q

is a household in which one or more members were directly engaged for at least 30 days in fishing anytime during the past 12 mounts

A

inland fishing household

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17
Q

refers to areas in any body of water where fish and other aquatic resources congregate and become target of capture

A

fishing ground

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18
Q

an artificial enclosure constructed within a body of water for culturing fish and fishery/aquatic resources made up of bamboo poles closely arranged in an enclosure with wooden materials, screen or nylon netting to prevent escape of fish

A

fish pen

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18
Q

a body of water (artificial or natural) where fish and other aquatic products are cultured, raised or cultivated under controlled conditions

A

fishpond

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18
Q

refers to water without salt or marine origin, such as generally found in lakes, rivers, canals

A

freshwater

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18
Q

stationary or floating fish enclosure made of synthetic net wire/bamboo screen or other materials set in the form of inverted mosquito net tied to pole stakes to the water bottom or width anchored floats for aquaculture purposes

A

fish cage

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18
Q

development stage of fish immediately after larvae stage at an age less than a week

A

fry

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19
Q

is the place where fish catch and other aquatic products are unloaded and traded

A

landing center

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19
Q

refers to catching of fish and all other aquatic animals and plants in inland water like lakes, rivers, and dams, using simple gears and fishing boats with a capacity of less than or equal to 3 tons

A

inland municipal waters

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20
Q

is the seawater environment with salinity ranging from 34.5 to 35.5 parts per thousand (ppt) consisting of ocean, bay, gulf, and channels

A

marine water

21
Q

is fishing within the municipal waters using fishing vessels of 3 gross tons or less, or fishing not requiring the use of fishing vessels

A

municipal fishing

22
Q

include not only streams, lakes, inland bodies of water and tiadl waters within the municipality which are not included within the protected areas as defined under RA No. 7586

A

municipal waters

23
Q

ocean-based aquaculture or the production of marine organisms in coastal waters or in the open ocean

A

mariculture

24
Q

a type of fish farming where juvenile fish are released into the ocean to grow unprotected and unassisted to be harvested in the future

A

ocean ranching

24
Q

refers to the person who own and operates the farm, exercise technical initiatives and lakes full economic risk and responsibility in the admission and operation of the farm

A

owner/ operator

24
Q

refers to inshore and open waters and inland seas in which salinity generally exceeds 20%

A

seawater/ marinewater

25
Q

aquatic animals with shells

A

shellfish

26
Q

development stage of fish following the fingerling stage and lasting until approximately 1 year of age

A

yearling

27
Q

aquaculture in the phil. is carried out in 3 major aquatic environments. what are those?

A

brackishwater
freshwater
marine

28
Q

what are the classification of aquaculture according to production environments in freshwater? Give at least 5.

A

lakes
reservoir
dams
rivers
streams
creeks
ponds
swamps

29
Q

what are the classification of aquaculture according to production environments in mariculture? Give 3.

A

shallow coastal
deep coastal
intertidal flats

29
Q

fish production can be controlled for as long as there is sufficient oxygen, fresh water, and food.

A

intensive systems

29
Q

what country is the top milkfish producer in the world

A

philippines

29
Q

rely on natural food such as phytoplankton and zooplankton

A

extensive farming system

29
Q

top 3 milkfish producing regions

A

region VI, I, III

30
Q

what are the classification of aquaculture according to production environments in brackish water? Give 3.

A

intertidal flats
mangroves swamps
estuarine areas

30
Q

what is the 3rd most important species produced in the phil

A

tilapia

30
Q

the phil was the 3rd most important _____ producing country after thailand and indonesia

A

shrimp

30
Q

the only 2 species of mollusks farmed significantly in the phil for food

A

oysters and mussels

31
Q

these are for animals that swim or move

A

closed systems

31
Q

(with the exception of rainfall) recieves water only when intentionally filled up with water at the start of the culture cycle or during the cycle to compensate for water loss due to evaporation and seepage

A

static water pond

31
Q

these have continuous exchange of water with the external environment, usually by gravity from rivers or streams

A

running water pond or raceway

31
Q

a fenced enclosed in a larger water body which us embedded in the mud or bottom sediment

A

pen

31
Q

a box shaped enclosure which floats, is suspended, or sits on the bottom of a larger water body

A

cage

31
Q

a largely closed water system in which water from the culture facility is treated on-site and is pumped back into the culture facility

A

recirculating system

32
Q

what are the factors to be considered when selecting a site for land based culture systems

A

ecological factor
biological factor
socio-economic factor

32
Q

the recommended slope for land based culture systems should

A

not be greater than 2%

33
Q

recommended flow rate for land based culture systems is ______ m3/min/ha

A

0.28

34
Q

defined as water of which the chemical and physical characteristics are within the defined units for the cultured species

A

good quality water

35
Q

man-made bodies of water usually smaller than lakes, fall into the category of extensive or semi-intensive culture systems

A

ponds

36
Q

2 primarily types of ponds

A

embankment
excavated ponds

37
Q

are formed by building up a dam, dike, or similar above-ground structure to hold water

A

embankment ponds

38
Q

constructed by removing soil from an area to form a depression that can be filled with water

A

excavated ponds

39
Q

cultured organisms derive their food from algae or other naturally growing aquatic organisms in the pond

A

natural feeding

40
Q

feeding with commercial diets

A

manual feeding

41
Q

the height the dike should have after settling down to safety provide the necessary water depth in the pond. obtained by adding the water depth and the freeboard

A

design height

42
Q

the height the dike should have when newly built and before any settlement takes place. it is equal to the design height plus the settlement height

A

construction height

43
Q

the dike top is also called

A

crest or crown

44
Q

volume of the soil at the site before excavation

A

undisturbed volume

45
Q

entirely obtained through soil excavation, are simplest to build

A

dug-out ponds

46
Q

commonly found in relatively flat, well-drained terrain such as the low point of a natural depression

A

dug-out ponds fed by rain and surface runoff

47
Q

commonly found in areas where the ground water table is close to the surface, either permanently or seasonally

A

dug-out ponds fed by springs or seepage

48
Q

constructed in deeper water and it is smaller than net pens and range in size from 1 m2 to over 1000 m2 in surface area.

A

cages

49
Q

can be manufactured from a variety of materials such as wood, concrete, metal, plastics, pili-ethylene, PVC, fibre-glass, etc., and an infinite number of shapes and sizes to suite the specific needs of the species and farming operation

A

tanks

50
Q

most commonly used for nursery and grow out purposes, it has a better hydraulic characteristics

A

circular tanks

51
Q

it offers an advantage of efficient use of space. however, it has a disadvantage, the wastes tend to collect in the corners, whilst short-circuits and dead spots tend to develop

A

square and rectangle tanks

52
Q

relatively new addition to tank culture and are an effort to combine the advantage of circular tanks with regards to efficient water use and self-cleaning action with the space efficiency of rectangular tanks

A

oval tanks

53
Q

must at all times provide for control over the flow rate (L/s) and velocity (cm/s) of water.

A

water inlet

54
Q

single-pass, relatively shallow structures, typically with a rectangular cross-section, containing aquatic organisms

A

raceways

55
Q

2 basic arrangements of raceways

A

series and parallel

56
Q

what are the 3 categories of pens with regard to design and construction of pens?

A

rigid pens
flexible pens (netting)
outer barrier nets

57
Q

caused by suspended solids and affects productivity and fish life, it decreases light penetration into the water and thus reduces primary production which impacts on secondary production

A

turbidity

58
Q
A

AREA 2 - CLSU (4 decks)

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