Seasonal and vertical distribution of planktonic bacteria and heterotrophic nanoflagellates in the middle Adriatic Sea

Table 1 Simultaneous effects of temperature, chl a and bacterial production on bacterial abundance in the surface layers (0–5 m) of Kaštela Bay. R coefficient of correlation;r_p coefficient of partial correlation;a,b coefficients of multiple linear regression (a intercept; b slope;n=24);β (beta coefficient) regression coefficient b stated in terms of its standard deviation;R coefficient of multiple regression; R²(%) coefficient of multiple determination, i.e. measure of the proportion (percentage) of variance explained; ** P<0.01; * P<0.05

Variable	r	r _p	a	b	β	R	R² (%)
Temperature	0.549**	0.589**	215,806.1	54,247.7	0.615	0.591**	35.00
Chl a	0.055	0.254	215,806.1	68,628.3	0.230	0.591**	35.00
Temperature	0.549**	0.523**	264,166.4	45,843.7	0.519	0.565**	31.94
Bacterial production	0.249	0.160	264,166.4	6,348.5	0.137	0.565**	31.94
Chl a	0.055	0.041	914,320.3	12,060.9	0.040	0.304*	6.35
Bacterial production	0.289*	0.286*	914,320.3	11,415.1	0.247	0.304*	6.35
Temperature	0.549**	0.564**	116,788.3	51,797.2	0.587	0.601**	36.12
Chl a	0.055	0.249		64,341.7	0.216
Bacterial production	0.249	0.132		5,088.10	0.110

ISSN: 1438-3888