00341nam a2200121Ia 4500001000500000005001700005008004100022020001500063082001700078245008100095260001900176650002400195404720261006003741.0120911s9999 xx 000 0 und d a0044453752 a574.5028 GIL aPractical ecology:for geography and biology survey,mapping and data analysis aCHAPMAN & HALL aEcology-Methodology