Table 2.

The effects of site (invaded versus uninvaded) and year (2008 vs 2011) on chub growth rates, as indicated by linear models

Age class	Factor	Rother	Chad Brook	Cherwell	Evenlode
0+	Site	F 1,30 = 11.44; p = 0.002	F 1,34 = 13.94; p = 0.001	F 1,56 = 12.63; p = 0.001	F 1,66 = 62.95; p < 0.001
	Year	F 1,30 = 2.84; p = 0.103	F 1,34 = 2.95; p = 0.095	–	–
1+	Site	F 1,30 = 1.63; p = 0.212	F 1,34 = 1.27; p = 0.268	F 1,49 = 0.36; p = 0.552	F 1,64 = 23.43; p < 0.001
	Year	F 1,30 = 5.98; p = 0.021	F 1,34 = 2.14; p = 0.153	–	–
2+	Site	F 1,30 = 1.49; p = 0.232	F 1,34 = 0.68; p = 0.417	F 1,35 = 1.42; p = 0.241	F 1,62 = 8.51; p = 0.005
	Year	F 1,30 = 0.79; p = 0.380	F 1,34 = 0.34; p = 0.564	–	–
3+	Site	F 1,28 = 0.06; p = 0.803	F 1,32 = 3.42; p = 0.074	F 1,24 = 0.34; p = 0.565	F 1,51 = 0.50; p = 0.483
	Year	F 1,28 = 0.27; p = 0.610	F 1,32 = 8.63; p = 0.006	–	–
4+	Site	F 1,18 = 3.75; p = 0.071	F 1,23 = 0.42; p = 0.524	F 1,15 = 0.55; p = 0.470	F 1,41 = 0.53; p = 0.473
	Year	F 1,18 = 2.95; p = 0.582	F 1,23 = 5.05; p = 0.035	–	–
5+	Site	F 1,17 = 13.96; p = 0.002	F 1,9 = 0.13; p = 0.725	F 1,13 = 0.54; p = 0.476	F 1,35 = 6.31; p = 0.017
	Year	F 1,17 = 1.32; p = 0.269	–	–	–
6+	Site	F 1,16 = 4.76; p = 0.047	F 1,6 = 18.37; p = 0.005	–	F 1,33 = 1.49; p = 0.230
	Year	F 1,16 = 1.66; p = 0.218	–	–	–
7+	Site	F 1,16 = 0.13; p = 0.722	–	–	–
	Year	F 1,16 = 0.17; p = 0.691	–	–	–
8+	Site	F 1,10 = 1.42; p = 0.264	–	–	–
	Year	F 1,10 = 0.11; p = 0.751	–	–	–

Significant effects are in bold