Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Aquaculture > 2) Aquaculture (1) > Flashcards

2) Aquaculture (1) Flashcards

1
Q

The farming of aquatic organisms in inland and coastal areas, involving intervention in the rearing process to enhance production and the individual or corporate ownership of the stock being cultivated (FAO)

A

Aquaculture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Fisheries operations involving all forms of raising and culturing fish and other fishery species in fresh, brackish, and marine water areas (RA 8550)

A

Aquaculture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

top producing countries in 2010 in terms of aquaculture; where does Philippines

A
  1. china - 61%
  2. indonesia - 8%
  3. india - 6%
  4. viet nam - 3%
  5. philippines - 3%
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Aquaculture can be classified according to the following:

A
  • aquatic environment
  • species cultured
  • systems/structures utilized
  • level of intensity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Aquaculture can be classified according to what?

A
  • aquatic environment
  • species cultured
  • systems/structurs utilized
  • level of intensity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Classification of aquaculture according to level of intensity

A
  • Backyard aquaculture
  • Extensive aquaculture
  • Intensive aquaculture
  • Semi-intensive aquaculture
  • Super-intensive aquaculture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Classification of aquaculture according to species cultured

A
  • shrimp aquaculture
  • finfish aquaculture
  • seaweed culture
  • bivalve culture
  • etc.
  • Monoculture or polyculture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

classification of aquaculture according to systems/structures utilized

A
  • pens
  • raceways
  • tanks
  • cages
  • ponds
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Rate at which energy/biomass is produced per unit area over a specifide period of time (i.e. kcal/m2/year or tons/hectare/year)

A

Productivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Measuring Primary Productivity

A

Chlorophyll Method

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Light and Dark Bottle Method (measuring oxygen produced)

A

Chlorophyll Method

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The amount of a given activity that can be accommodated within the environmental capacity of a defined area

A

Carrying Capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

the maximum quantity of fi sh that any particular body of water can support over a long period without negative effects to the fish and to the environment (maximum standing crop).

A

carrying capacity in aquaculture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

carrying capacity can be increased through

A
  • fertilization
  • supplemental feeding
  • aeration
  • maintenance of water quality.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Nutrients are added to aquaculture systems in order to ___ and ___.

A
  1. augment the carrying capacity
  2. increase productivity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Nutrients are supplied via

A

the application of fertilizers (either organic or inorganic)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

major nutrients

A
  • Nitrogen (N)
  • Phosphorus (P)
  • Potassium (K)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

different forms of nitrogen

A
  • Nitrogen gas (N2)
  • ammonia (NH4)
  • nitrite (NO2)
  • nitrate (NO3)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Phosphorus are present in natural waters as

A
  • orthophosphate
  • undifferentiated organic phosphates
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

In soil, P is most available between pH

A

pH 5.5 and 7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Potassium is important in

A

osmoregulation and other metabolic processes in plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Camilla dripisera

A

Teaseed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

teaseed contains

A

10-15% saponin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

teaseed should be applied (how many?

A

200 kg/ha

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
tobacco dust contains
nicotine
26
how much tobacco dust should be applied?
15 kg/ha
27
derris root contains
rotenone
28
water increment in lablab production
5-30 cm
29
water increment in lumot production
30-60 cm
30
water increment in microalgae production
60-120 cm
31
shape of pond
rectangular
32
depth of shallow end of pond
0.5 - 1m deep
33
depth of sloping end of pond
1.5 - 2 m deep
34
dike shape
trapezoidal
35
8 steps in pond preparation
1) pond draining 2) levelling of pond bottom 3) pond drying 4) application of lime 5) application of fertilizer 6) screening water inlet and outlet and gate boards 7) filling pond with filtered water 8) stocking
36
common used organic fertilizer for pond preparation
chicken manure
37
type of fertilizer applicable for pond preparation
1) organic fertilizer 2) inorganic fertilizer
38
rate of application for organic fertilizer
2000 kg/ha - old pond 3000 kg/ha - new pond
39
rate of application for inorganic fertilizer
100 kg/ha - old pond 200 kg/ha - new pond
40
amount of lime for application
100 g/m2 or 1000 kg/ha
41
water level to be maintained
maintain the water level at a depth of 0.8 – 1.5 meter
42
Stop feeding ____ before harvest
2 days
43
water movement
1) Static 2) Flowing
44
example of static water movement
earthen ponds
45
example of flowing water movement
raceways, cages, tanks
46
General term for all the physical, chemical and biological factors which influence the use of the water.
water quality
47
Major Water Parameters
 pH and alkalinity  Salinity  Dissolved oxygen  Temperature  Nutrients  Nitrogen  Phosphorous
48
A logarithmic scale for expressing the acidity of a solution
pH
49
Measure of the amount of hydrogen ions (H+) in water
pH
50
The measurement of the total amount of salts in the water
salinity
51
Organisms that can tolerate a wide range of salinities
euryhaline
52
those that can tolerate only a narrow range
stenohaline
53
Oxygen gas which is in solution
Dissolved Oxygen
54
level of DO that can cause stress
2 ppm
55
potential harm to fish during high DO
gas embolisms or gas bubble disease
56
ideal DO level
8 ppm
57
desirable range of DO
5-8 ppm
58
DO level that makes fish susceptible to disease or poor health
2-5 ppm
59
DO level that could be lethal to fish if prolonged
0-2 ppm
60
Nutritional requirements will vary depending on
- Fish size/age - Reproductive condition - Feeding habits
61
nutrients that is mainly required for growth
Proteins
62
( Proteins) muscles and connective tissues
fibrous proteins
63
(Proteins) for skin and membranes
Collagenous protein
64
(Proteins) for blood
Globular protein
65
(Proteins) for metabolic processes
Enzymes and hormones
66
Made up of amino acids
Proteins
67
Cannot be synthesized by fish
Essential amino acids

Aquaculture (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions