Mammals
IS AN ABSOLUTE
DENSITY ESTIMATE
NEEDED ?
DO YOU NEED DATA
ON INDIVIDUALS ?
ARE ORGANISMS
MOBILE RELATIVE
TO THE DETECTION
METHODS?
QUADRAT COUNTS
and AERIAL CENSUS
MARK--RECAPTURE
TECHNIQUES
INDICES FOR
RELATIVE DENSITY
CHANGE-IN-RATIO
METHODS
IS POPULATION
NOW BEING
EXPLOITED ?
IS EXPLOITATION
SELECTIVE BY SEX
OR AGE ?
CATCH-EFFORT
METHODS
Start
Yes
No
Yes
No
Yes