Box 5.1 Examples of the use of stratification Combining two gears into one A boat /gear classification contains two different ... using a computer, it has been found that the new variation is 6% and the resulting estimates are close to the old ones.
|Title||:||Guidelines for the Routine Collection of Capture Fishery Data|
|Author||:||Food and Agriculture Organization of the United Nations|
|Publisher||:||Food & Agriculture Org. - 1999|