Biofilm-Mediated Enhanced Crude Oil Degradation by Newly Isolated Pseudomonas Species

Table 4

Mean thickness, biomass, substratum coverage, kurtosis (𝑆_ku), and skewness (𝑆_sk) of biofilm of Pseudomonas sp. KPW.1-S1, HRW.1-S3, and DSW.1-S4.

Carbon source	Strain	Avg. thickness (𝜇m)	Total biomass (𝜇m^3/𝜇m^2)	Kurtosis (𝑆ku)	Skewness (𝑆sk)	Max. thickness (𝜇m)
	KPW.1-S1	22.36±0.98	14.17±1.71	3.5±0.43	−0.68±0.31	35
Crude oil	HWR.1-S3	26.51±1.2	18.45±1.36	4.19±1.2	−1.01±0.33	73
	DSW.1-S4	4.55±1.6	1.6±0.55	4.06±0.2	0.86±0.16	24
	KPW.1-S1	12.5±0.89	9.33±0.9	3.91±0.5	−0.49±0.34	23
Glucose	HWR.1-S3	10.32±0.37	6.7±0.49	2.72±0.3	−0.46±0.15	12.6
	DSW.1-S4	1.51±0.08	0.9±0.08	3.66±0.2	0.48±0.15	3.2

Values are means of data from 8 image stacks. The standard error is calculated as the square root of the mean of the variances of each of the four groups (image stacks from two glass slides in two independent experiment rounds).