Der Swiss Bird Index fasst die Bestandsentwicklung der Brutvögel in der Schweiz zusammen.
Der SBI besteht aus einem Gesamtindex (SBI Regelmässige Brutvögel) sowie mehreren Teilindices für ausgewählte Artengruppen. Als Grundlage dienen die Bestandsentwicklungen der einzelnen Arten.
Strebel, N., S. Antoniazza, N. Auchli, S. Birrer, R. Bühler, T. Sattler, B. Volet, S. Wechsler & M. Moosmann (2024): Zustand der Vogelwelt in der Schweiz: Bericht 2024. www.vogelwarte.ch/zustand. Schweizerische Vogelwarte, Sempach.
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