In field ecological studies inferences must often be drawn from dissimilarities in numbers and species of organisms found in biological samples collected at different times and under various conditions.
Reference:
Chutter, FM, and, Noble, RG. 1966. Reliability of a method of sampling stream invertebrates. Archiv für Hydrobiologie, Vol. 62(1), pp 95-103
Chutter, F., & Noble, R. (1966). Reliability of a method of sampling stream invertebrates. http://hdl.handle.net/10204/4839
Chutter, FM, and RG Noble "Reliability of a method of sampling stream invertebrates." (1966) http://hdl.handle.net/10204/4839
Chutter F, Noble R. Reliability of a method of sampling stream invertebrates. 1966; http://hdl.handle.net/10204/4839.