Macrofauna community patterns in a Chiloe Island channel used intensely for aquaculture: the ecological status of its benthic environment

Table 2 Output of PERMANOVA main tests for (A) abundance fourth-root transformed with the Bray-Curtis index, (B) biomass fourth-root transformed with the Bray-Curtis index. Factors of analysis were channel area (AREA), environment (ENV), farming center (CENTER) and sampling site (SITE). P(perm) < 0.05 values are in bold

Source	*d.f.*	SS	MS	Pseudo-F	P (perm)	Unique perms
A)
AREA	2	22.628	11.314	3.8018	0.0001	9893
Res	128	380.920	2.976
Total	130	403.550
ENV	2	26.665	13.332	4.5281	0.0001	9848
Res	128	376.890	2.944.4
Total	130	403.550
CENTER	6	80.450	13.408	5.1458	0.0001	9806
Res	124	323.100	2.605.7
Total	130	403.550
SITE	46	274.810	5.974.2	3.8981	0.0001	9564
Res	84	128.740	1.532.6
Total	130	403.550
B)
AREA	2	24.985	12.492	3.7757	0.0001	9866
Res	128	423.500	3.308.6
Total	130	448.490
ENV	2	27.043	13.522	4.1067	0.0001	9862
Res	128	421.450	3.292.5
Total	130	448.490
CENTER	6	82.509	13.752	4.6592	0.0001	9747
Res	124	365.980	2.951.4
Total	130	448.490
SITE	46	299.090	6.502	3.6559	0.0001	9558
Res	84	149.390	1.778.5
Total	130	448.490

ISSN: 0717-6317