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Table 6 Species significantly contributing to characterizing each year and the dissimilarity between 1991 and 2007 (average of similarity/SD ≥ 1.4)

From: Looking for long-term changes in hydroid assemblages (Cnidaria, Hydrozoa) in Alboran Sea (South-Western Mediterranean): a proposal of a monitoring point for the global warming

  SIM DISS
1991 2007 1991 versus 2007
Aglaophenia kirchenpaueri 5.53 3.15
Aglaophenia tubiformis 2.46
Antennella ansini 5.22 4.8
Anthohebella parasitica 0.57
Campanularia hincksii 3.27 3.64
Clytia gracilis 2.7 2.22
Clytia linearis 4.41 6.88 2.76
Filellum sp.1 3.34 1.84
Halecium delicatulum 1.81
Halecium lankesteri 4.97 2.53 2.01
Kirchenpaueria pinnata 2.55
Obelia dichotoma 2.01 1.77
Plumularia setacea 0.55
Scandia spp. 12.89
Sertularella ellisii 2.73 1.69
Sertularia distans 2.04 1.47
  1. Data were standardized and square root-transformed data. SIM = Average of Similarity; DISS = Average of Dissimilarity