There may be a number of methods that can be used to monitor each
	environmental parameter or coral reef attribute. The choice of method will be
	determined by,
	•The type of data required to answer the question or hypothesis.
	•Frequency with which data must be collected.
	•The level of confidence that one must have in the result.
	•Financial resources
	•Human resources
	•Logistic constraints (bottom time)
	•Available levels of capacity and expertise in the work force