@article {8456, title = {Improving occurrence-based rarity metrics in conservation studies by including multiple rarity cut-off points}, journal = {Insect Conservation and Diversity}, volume = {5}, year = {2012}, month = {Jan-03-2012}, pages = {159 - 168}, doi = {10.1111/icad.2012.5.issue-210.1111/j.1752-4598.2011.00148.x}, url = {http://doi.wiley.com/10.1111/icad.2012.5.issue-2}, author = {Leroy, Boris and P{\'e}tillon, Julien and R{\'e}gis Gallon and Canard, Alain and Fr{\'e}d{\'e}ric Ysnel} }