2.6.1.2.1 Dichotomous key for survey spatial design

Answering the following questions will guide you to the most appropriate survey spatial design for your monitoring program.  If you are going to implement a multiple-stage or multiple-phase design, answer the questions separately for each stage or phase.

A graphical depiction of the decision process created by these questions is shown below:

Enlarge Image

Q1: Do you want a spatially representative or "balanced" design?

    Yes    No

Q2: Will you use auxiliary variables or information to create a stratified or variable probabilty design?

    Yes    No

Q3: Are there special circumstances that require a uniform spacing between sample locations?

    Yes    No

Q4: Will you use auxiliary variables or information to create a stratified or variable probability design?

    Yes    No

Q5: Will you use auxiliary variables or information to create a stratified or variable probability...?

    Yes    No

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