TUESDAY, 31 MAY 2011
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Milenka Mehr and her colleagues from five European institutions studied whether the number of different species of bats in an area was more affected by its climate or its dominating land-use [1]. In addition to finding more bat species per area around land dominated by forests, Mehr also found that the greater the amount of land area associated with human activity, the greater the bat ‘species richness’. The researchers were keen to emphasise that the study was focused on regional scales of diversity, accomplished by splitting Bavaria into a mosaic of study grids, and at this scale environmental factors are more important than large scale extinction and speciation events.
The findings that cities are providing suitable habitats for a wide range of species, Mehr writes, “underline the importance of urban areas for the conservation of bats”.
Written by Nick Crumpton