| amphibian occurrence is influenced by current and historic landscape characteristics. | human-induced habitat loss and degradation are major threats to wetland species as reflected in the fact that wetlands have declined by more than 50% in europe and north america during the last century. both current and historic land-use patterns are likely to be significant determinants of wetland species' distributions; however their relative importance is often unknown. we studied the importance of local (study pond) and landscape (current and 18th-century landscape) characteristics in explai ... | 2007 | 18213970 |