|
BBSR |
Bermuda Biological Station for Research |
|
DHA |
Docosahexaenoic Acid |
|
DOPA |
Dihydroxyphenylalanine |
|
EDTA |
Ethylene Diamine Tetraacetic Acid |
|
EPA |
Eicosapentaenoic Acid |
|
FAO |
Food and Agriculture Organization of the United Nations |
|
FLUPSY |
Floating Upwelling System |
|
FSW |
Filtered Seawater |
|
GI |
Growth Index |
|
GRP |
Glass-Reinforced Plastic |
|
HUFA |
Highly Unsaturated Fatty Acid |
|
LDR |
Light Dependent Resistor |
|
MAFF |
Ministry of Agriculture Food and Fisheries |
|
NTM |
Net Treatment Mortality |
|
PHCD |
Post-Harvest Cell Density |
|
PUFA |
Polyunsaturated Fatty Acid |
|
PVC |
Polyvinyl Chloride |
|
RSR |
Resistance Sensing Relay |
|
SI |
Système International |
|
TBT |
Tributyltin |
|
TCBS |
Thiosulfate Citrate Bile Sucrose |
|
UV |
Ultra-Violet |
Not all of the following abbreviations have been used in this manual. However, they are provided as reference when reading other documents.
|
< |
less than |
|
> |
greater than |
|
n.a. |
not analysed or not available (also written as N/A) |
|
µm |
micron |
|
mm |
millimetre |
|
cm |
centimetre |
|
m |
metre |
|
km |
kilometre |
|
inch |
inch |
|
ft |
foot |
|
yd |
yard |
|
mi |
mile |
|
ft2 |
square foot |
|
yd2 |
square yard |
|
mi2 |
square mile |
|
m2 |
square metre |
|
ha |
hectare |
|
km2 |
square kilometre |
|
cc |
cubic centimetre (= ml) |
|
m³ |
cubic metre |
|
ft³ |
cubic foot |
|
yd³ |
cubic yard |
|
µl |
microlitre |
|
ml |
millilitre (= cc) |
|
l |
litre |
|
µg |
microgram |
|
mg |
milligram (milligramme) |
|
g |
gram (gramme) |
|
kg |
kilogram (kilogramme) |
|
mt |
metric tonne (1 000 kg) (also written as tonne) |
|
oz |
ounce |
|
lb |
pound |
|
cwt |
hundredweight [value differs in UK (‘Imperial’) and US units - see weight conversions] |
|
t |
ton [value differs in UK (‘Imperial’) and US units - see weight conversions] |
|
psi |
pounds per square inch |
|
psu |
practical salinity units |
|
gpm |
(‘Imperial’ = UK) gallons per minute |
|
mgd |
million (‘Imperial’ = UK) gallons per day |
|
cfm |
cubic feet per minute |
|
ppt |
parts per thousand (also written as ‰) |
|
ppm |
parts per million |
|
ppb |
parts per billion (thousand million) |
|
min |
minute |
|
hr |
hour |
|
kWhr |
kilowatt-hour |
Conversions
This section of the annex should be used in conjunction with the abbreviations section. Please note that the words gallon and tonne have different values depending on whether the source of the text you are reading is ‘British’ or ‘American’ in origin.
|
Length: |
|
|
1 µm |
0.001 mm = 0.000001 m |
|
1 mm |
0.001 m = 1 000 µm = 0.0394 inch |
|
1 cm |
0.01 m = 10 mm = 0.394 inch |
|
1 m |
1 000 000 µm = 1 000 mm = 100 cm = 0.001 km = 39.4 inch = 3.28 ft = 1.093 yd |
|
1 km |
1 000 m = 1 093 yd= 0.621 mi |
|
1 inch |
25.38 mm = 2.54 cm |
|
1 ft |
12 inch = 0.305 m |
|
1 yd |
3 ft = 0.914 m |
|
1 mi |
1 760 yd = 1.609 km |
|
Weight: |
|
|
1 µg |
0.001 mg = 0.000001 g |
|
1 mg |
0.001 g = 1 000 µg |
|
1 g |
1 000 000 µg = 1 000 mg = 0.001 kg = 0.0353 oz |
|
1 kg |
1 000 g = 2.205 lb |
|
1 mt |
1 000 kg = 1 000 000 g = 0.9842 UK t = 1.102 US t |
|
1 oz |
28.349 g |
|
1 lb |
16 oz = 453.59 g |
|
1 UK cwt |
112 lb = 50.80 kg |
|
1 US cwt |
100 lb = 45.36 kg |
|
1 UK t |
20 UK cwt = 2 240 lb |
|
1 US t |
20 US cwt = 2 000 lb |
|
1 UK t |
1.016 mt = 1.12 US t |
|
Volume: |
|
|
1 µl |
0.001 ml = 0.000001 l |
|
1 ml |
0.001 l = 1 000 µl = 1 cc |
|
1 L |
1 000 000 µl = 1 000 ml = 0.220 UK gallon = 0.264 US gallon |
|
1 m³ |
1 000 l = 35.315 ft3 = 1.308 yd3 = 219.97 UK gallons = 264.16 US gallons |
|
1 ft³ |
0.02832 m3 = 6.229 UK gallons = 28.316 l |
|
1 UK gallon |
4.546 l = 1.2009 US gallons |
|
1 US gallon |
3.785 l = 0.833 UK gallon |
|
1 MGD |
694.44 GPM = 3.157 m3/min = 3 157 l/min |
|
Concentration - dissolving solids in liquids: |
|
|
1 % |
1 g in 100 ml |
|
1 ppt |
1 g in 1 000 ml = 1 g in 1 l = 1 g/l = 0.1% |
|
1 ppm |
1 g in 1 000 000 ml = 1 g in 1 000 L = 1 mg/l = 1 µg/g |
|
1 ppb |
1 g in 1 000 000 000 ml = 1 g in 1 000 000 l = 0.001 ppm = 0.001 mg/l |
|
Concentration - dilution of liquids in liquids: |
|
|
1 % |
1 ml in 100 ml |
|
1 ppt |
1 ml in 1 000 ml = 1 ml in 1 l = 1 ml/l = 0.1% |
|
1 ppm |
1 ml in 1 000 000 ml = 1 ml in 1 000 l = 1 µl/l |
|
1 ppb |
1 ml in 1 000 000 000 ml = 1 ml in 1 000 000 l = 0.001 ppm = 0.001 ml/l |
|
Area: |
|
|
1 m2 |
10.764 ft2 = 1.196 yd2 |
|
1 ha |
10 000 m2 = 100 ares = 2.471 acres |
|
1 km2 |
100 ha = 0.386 mi2 |
|
1 ft2 |
0.0929 m2 |
|
1 yd2 |
9 ft2 = 0.836 m2 |
|
1 acre |
4 840 yd2 = 0.405 ha |
|
1 mi2 |
640 acres = 2.59 km2 |
|
Temperature: |
|
|
°F |
(9 ÷ 5 x °C) + 32 |
|
°C |
(°F - 32) x 5 ÷ 9 |
|
Pressure: |
|
|
1 psi |
70.307 g/cm2 |
Scientific units
Scientists have a different way of writing some of the units described in this glossary. They use what is called the Système International (SI). The units are referred to as SI units. For example: 1 ppt, which can be written as 1 g/l (see concentration above) is written as 1 g l-1 in scientific journals. 1 g/kg is written as 1 g kg-1. 12 mg/kg would be written as 12 mg kg-1.95 µg/kg would be written as 95 µg kg-1. A stocking density of 11 kg/m3 would be written as 11 kg m-3. This system of standardization is not normally used in commercial aquaculture hatcheries and growout units and has therefore not been used in this manual. More information about this topic can be found on the internet by searching for SI Units.
