The eight ponds monitored in subsequent periods from 1978 to 2007 revealed a large but non-significant degree of variation in amphibian percentages of occurrence during these years (Table 2, Wilcoxon rank test).
The eight ponds monitored in subsequent periodsfrom 1978 to 2007 revealed a large but non-significantdegree of variation in amphibian percentages ofoccurrence during these years (Table 2, Wilcoxon ranktest).