Numbers of IWC survey sites monitored between 1988/89–2010/11 and number of administrative districts (AD) providing bag data during the same time span.
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1 = North Eastern Low Mountain Ranges, 2 = Main; 3 = Eastern Low Mountain Ranges, 4 = Upper Danube / Altmuehl, 5 = Lower Danube / Isar, 6 = Southwest Bavaria, 7 = Inn / Salzach, 8 = BavariaNumbers of IWC survey sites monitored between 1988/89–2010/11 and number of administrative districts (AD) providing bag data during the same time span.
创建时间：
2015-12-03
