Table 1. Environmental variables of shallow water in Tramariglio Cove (Capo Caccia –Isola Piana MPA, Sardinian Sea).

Mean values recorded in the water column by multiparametric probe (YSI 6600 V2).

Month	Temperature °C	Salinity PSU	Dissolved oxygen %	pH	Chlorophyll a µgl−1
May 2013	17.8	38.3	111.6	8.22	0.14
Oct 2013	22.5	37.8	92.8	8.18	0.42
May 2014	16.5	38.7	127.1	8.18	0.00
Nov 2014	19.7	38.7	98.1	8.08	0.09