Table 3. Mean Labyrinthula zosterae abundance and prevalence among different Zostera marina leaves.

Leaf number	N	L. zosterae cells×mg plant DW−1	Std. Err.	Prevalence (%)
1	16	6.00	2.52	12.50
2	19	5.22	2.01	10.53
3	18	6.00	80.84	50.00
4	12	0.33	0.09	33.33
5	3	2.48	0.00	One data point only

Abundance per g Zostera marina weight (DW) with standard errors: Wilcoxon-Kruskal-Wallis-test_{leaf number}: df = 4, X² = 5.37, p = 0.25). Prevalence (%): Nominal logistic regression_{leaf number}: df = 4, deviance = 9.71, p = 0.05, planned comparison_prevalence: leaf 2<3**, ** = significantly different at p>0.02.