Thus the statistical approach pres- ented here should prove to be generally useful in studies of genetic variation in moss populations. REFERENCES ANDERSON, L. EL. 1963. Modern species concepts: mosses. Bryologist, 66, 107-119. ANDERSON, L. EL. AND LEMMON, B. E. 1974. Gene flow dis- ...
More recently, attention has turned toward an "external" measure to increase resilience and reduce vulnerability in the sense that this term is used by Wolters and Kuenzler [18], that of releasing fine-grained sediment now collecting behind tributary dams of the Platte and Kansas Rivers [10,20...