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Mean site-level trends in abundance between 1994 and 2013 (a–c), mean standardized site-level productivity between 2004 and 2014 (d–f), and mean standardized site-level annual survival rates between 2004 and 2014 (g–i) of resident (a,d,g), arid-zone migrant (b,e,h), and humid-zone migrant (c,f,i) bird species breeding on 13 859 PECBMS sites (a–c), and 336 Euro-CES sites (d–i) across Europe. (Online version in colour.)
