Aquaculture

Question 1

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

Answer 1

Aquaculture

Question 2

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

Answer 2

aquaculture biotechnology

Question 3

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

Answer 3

aquaculture engineering

Question 4

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

Answer 4

aquafarm

Question 5

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

Answer 5

fish pen

Question 5

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

Answer 5

fish cage

Question 6

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

Answer 6

fishpond

Question 6

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

Answer 6

brackishwater

Question 7

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

Answer 7

brood stock

Question 7

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

Answer 7

capture fisher

Question 8

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

Answer 8

commercial fishing

Question 9

artificial holding areas used to rear fish farm stocks

Answer 9

culture tanks

Question 9

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

Answer 9

commercial water

Question 9

artificial holding areas used to rear fish farm stocks

Answer 9

culture tanks

Question 10

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

Answer 10

farm gate value

Question 11

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

Answer 11

fingerling

Question 12

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

Answer 12

finfish

Question 12

locations used to grow populations of aquatic organisms, primarily fish

Answer 12

fish farm

Question 12

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

Answer 12

fish meal

Question 12

the breeding and rearing of fish for a variety of reasons

Answer 12

fish husbandry

Question 13

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

Answer 13

fish kill

Question 14

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

Answer 14

fisherfolk

Question 15

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

Answer 15

fishermen

Question 15

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

Answer 15

fishery species

Question 15

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

Answer 15

fishing boat

Question 15

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

Answer 15

fishing efforts

Question 16

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

Answer 16

fishing gear

Question 17

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

Answer 17

inland fishing household

Question 17

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

Answer 17

fishing ground

Question 18

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

Answer 18

fish pen

Question 18

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

Answer 18

fishpond

Question 18

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

Answer 18

freshwater

Question 18

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

Answer 18

fish cage

Question 18

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

Answer 18

fry

Question 19

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

Answer 19

landing center

Question 19

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

Answer 19

inland municipal waters

Question 20

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

Answer 20

marine water

Question 21

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

Answer 21

municipal fishing

Question 22

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

Answer 22

municipal waters

Question 23

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

Answer 23

mariculture

Question 24

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

Answer 24

ocean ranching

Question 24

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

Answer 24

owner/ operator

Question 24

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

Answer 24

seawater/ marinewater

Question 25

aquatic animals with shells

Answer 25

shellfish

Question 26

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

Answer 26

yearling

Question 27

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

Answer 27

brackishwater freshwater marine

Question 28

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

Answer 28

lakes reservoir dams rivers streams creeks ponds swamps

Question 29

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

Answer 29

shallow coastal deep coastal intertidal flats

Question 29

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

Answer 29

intensive systems

Question 29

what country is the top milkfish producer in the world

Answer 29

philippines

Question 29

rely on natural food such as phytoplankton and zooplankton

Answer 29

extensive farming system

Question 29

top 3 milkfish producing regions

Answer 29

region VI, I, III

Question 30

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

Answer 30

intertidal flats mangroves swamps estuarine areas

Question 30

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

Answer 30

tilapia

Question 30

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

Answer 30

shrimp

Question 30

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

Answer 30

oysters and mussels

Question 31

these are for animals that swim or move

Answer 31

closed systems

Question 31

(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

Answer 31

static water pond

Question 31

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

Answer 31

running water pond or raceway

Question 31

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

Answer 31

pen

Question 31

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

Answer 31

cage

Question 31

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

Answer 31

recirculating system

Question 32

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

Answer 32

ecological factor biological factor socio-economic factor

Question 32

the recommended slope for land based culture systems should

Answer 32

not be greater than 2%

Question 33

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

Answer 33

0.28

Question 34

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

Answer 34

good quality water

Question 35

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

Answer 35

ponds

Question 36

2 primarily types of ponds

Answer 36

embankment excavated ponds

Question 37

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

Answer 37

embankment ponds

Question 38

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

Answer 38

excavated ponds

Question 39

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

Answer 39

natural feeding

Question 40

feeding with commercial diets

Answer 40

manual feeding

Question 41

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

Answer 41

design height

Question 42

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

Answer 42

construction height

Question 43

the dike top is also called

Answer 43

crest or crown

Question 44

volume of the soil at the site before excavation

Answer 44

undisturbed volume

Question 45

entirely obtained through soil excavation, are simplest to build

Answer 45

dug-out ponds

Question 46

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

Answer 46

dug-out ponds fed by rain and surface runoff

Question 47

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

Answer 47

dug-out ponds fed by springs or seepage

Question 48

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.

Answer 48

cages

Question 49

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

Answer 49

tanks

Question 50

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

Answer 50

circular tanks

Question 51

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

Answer 51

square and rectangle tanks

Question 52

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

Answer 52

oval tanks

Question 53

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

Answer 53

water inlet

Question 54

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

Answer 54

raceways

Question 55

2 basic arrangements of raceways

Answer 55

series and parallel

Question 56

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

Answer 56

rigid pens flexible pens (netting) outer barrier nets

Question 57

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

Answer 57

turbidity