Adineta, C.T.Hudson & P.H.Gosse, 1886

Kaya, Murat & Erdoğan, Sevil, 2015, Testing the habitat selectivity of bdelloid rotifers in a restricted area, Turkish Journal of Zoology 39 (6), pp. 1132-1141 : 1137-1138

Adineta , Ceratotrocha , Pleuretra , Rotaria (2 species), and Otostephanos (1 species). Using the Chao estimator the expected number of species in the system is 75.1 ± 19.3 (mean ± standard error).

In terms of abundance, the genus Adineta was dominant, with 3512 individuals (39% of the total), followed by Macrotrachela (1783 individuals, 20%), Mniobia (1661, 18%), Habrotrocha (1313, 15%), Philodina (282, 3%), Rotaria (173, 2%), Ceratotrocha (150, 2%), Pleuretra (125, 1%), and Otostephanos (1, 0.01%).

Species richness for each sample ranged from 1 to 7 (mean = 3.4, median = 3, Figure 2). Species richness in each sample was significantly different among habitats

Habitats

L

S

TR, GP, HL

TR

TR, GP, L, S, B

TR

L

TR, GP, L, S, B

L

L

TR, GP, HL, L, S

L

B

L

L

GP

GP

HL

GP, HL, S

B

L

TR

S

TR, HL, S

TR, HL, S

S

(ANOVA: F 5,84 = 19.3, P <0.0001): according to the Tukey HSD test, it was significantly lower in bark samples, compared to all the other habitats, and significantly higher in the moss H. lutescens , whereas no significant differences were found between the other four habitats ( Figure 2; Table 3).

Overall, a larger number of species was found in T. ruralis (18 species, Chao estimates: 58.5 ± 49.1 SE), followed by soil (17 species, Chao 18.6 ± 1.9), L. muralis (15, 65.0 ± 59.6), G. pulvinata (14, 26.2 ± 13.1), H. lutescens (14, 18.5 ± 7.2), and bark (7, 7.0 ± 0.0). Thirty of 45 species (67%) were found only in one habitat, but 19 of these 30 species (42% of the total) were recorded from only one sample.

7

6

5

chness 4

r

3

2

1

bark pulv nata lutescens

l

chen so l s rural

.

a

.

mm

.

um

Tortula

Gr Homalothec

Differences in species composition between samples between habitats were significantly higher than differences in species composition between samples within each habitat (ANOSIM: R = 0.40, P = 0.001). The proportion of variance in species composition explained by the differences between habitats accounted for 28% (adonis test). Analyzing the distribution of the differences in species composition between samples within and between habitat, differences within bark are high ( Figure 3A) and may create problems in the analyses. Thus, we repeated the analyses with only the other five habitats, but the results are qualitatively confirmed (ANOSIM: R = 0.038, P = 0.001; adonis: 25%; Figure 3B).