Table 1.

Mean performance (Φ) scores from artificial ecosystem selection experiments for control line, low-selected, and high-selected communities

Sampling	Tprop	Pmut	Runs	Φ
				Control	Low	High
Propagule	2000	0.01	46	0.67	0.19	0.94
	5000	0.01	57	0.66	0.16	0.93
	10000	0.01	60	0.62	0.19	0.94
	20000	0.01	75	0.71	0.29	0.89
	5000	0	43	0.56	0.28	0.91
	5000	0.03	87	0.62	0.25	0.92
	5000	0.05	42	0.56	0.32	0.86
	5000	0.1	73	0.57	0.42	0.84
	All	All	483	0.63	0.27	0.90
Migrant	5000	0.01	49	0.73	0.19	0.96

Results for the propagule sampling method, with varying propagation time T_prop and mutation rate P_mut, and for the migrant-pool sampling method at the default values.