Table 6. Expected species numbers (± standard deviation) as calculated by three different extrapolative estimation methods (Chao1, Chao2, Jackknife), plus the proportion of those collected.

	German license area	French license area
Sobs	233	122
N	511	195
Chao1	525 ± 71	327 ± 67
%registration	44.4%	37.3%
Chao2	530 ± 68	422 ± 98
%registration	43.9%	28.9%
Jackknife 1	375	200
%registration	62.1%	61%