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step 3.step one Range and wealth of the hermit crab area

3.step one.1 Sepangar coastline

A total of 850 specimens was in fact collected comprising of 5 variety belonging to two genera about nearest and dearest Diogenidae: Clibanarius merguiensis, C. striolatus, Diogenes klaasi, D. pallescens and you can D. tumidus. The largest species was C. striolatus (SL 5.64 ± 2.55 mm), followed closely by C. merguiensis (5.forty-five ± 2.48 mm), D. pallescens (cuatro.37 ± 2.39 mm), D. klaasi (cuatro.28 ± dos.37 mm) and you may D. tumidus (4.14 ± step one.86 mm). The number one assortment is filed at the a hundred m (H? = 1.09) just like the reduced on 0 m (H? = 0.00) in which one types (D. klaasi) are introduce. Hermit crab species at one hundred m was basically the most evenly marketed (J? = 0.79) because they was in fact at least equally distributed during the 0 meters (J? = 0.00) (Dining table 2).

The overall highest density was reported for D. tumidus (8.98 ± 6.52 ind/m 2 ) which peaked at 50 m ( ± ind/m 2 ) but absent at 0 m (Figure 2a). This species was dominant at both 50 and 75 m stations (Figure 3a). Density of D. tumidus decreased gradually towards 100 m. On the other hand, D. klaasi was present in the first three stations (0, 25 and 50 m) and absent at 75 and 100 m. It was the sole species at 0 m with density of 6.25 ± 7.39 ind/m 2 . Peak density of this species was observed at 25 m ( ± ind/m 2 ) (Figure 2b). Densities of both Clibanarius species generally increased towards the sea. At the highest station (0 m), C. striolatus was absent but gradually increased in density from 25 m (0.22 ± 0.54 ind/m 2 ) to 100 m (5.33 ± 8.92 ind/m 2 ) (Figure 2c). Similarly, C. merguiensis was absent at 0 m but had density peak at 100 m (6.11 ± 7.20 ind/m 2 ). Lowest density of this species was recorded at 75 m (1.17 ± 2.07 ind/m 2 ) (Figure 2d). The results from ANOVA showed no significant difference (p > 0.05) in density among stations for all species. The least abundant species in the study was D. pallescens which was present at 50 m (0.11 ± 0.17 ind/m 2 ) and 100 m (0.11 ± 0.27 ind/m 2 ). Chi-square test revealed strong dependency/association (? 2 = , df = 16, p < 0.0001) of hermit crab species on stations/zones in Sepangar shore.

Imply occurrence (+SD) regarding hermit crabs of the varieties at the an enthusiastic (e-f) beaches. D. pallescens out-of Sepangar was not provided due to really low thickness and are absent in the most common stations.

3.1.2 Sulaman shore

There had been only a couple of species within Sulaman coastline; the dominant D. foresti (SL 2.83 ± step one.03 mm) and one Diogenes sp. (Figure 3b) that has been too small (SL step 1.53 ± 0.42 mm) are completely understood. Variety and you may evenness indices were not computed getting hermit crabs inside Sulaman because of a reduced amount of species. Density regarding D. foresti generally reduced out of 3.33 ± dos.65 ind/yards 2 during the 0 yards so you can 0.sixteen ± 0.twenty-eight ind/yards 2 within 30 m (Contour 2e). Diogenes sp. are missing in the 30 m and you may occurred in few with an overall escort services Houston indicate thickness regarding 0.21 ± 0.thirty two ind/yards 2 . Chi-rectangular try revealed no association (? dos = 0.fifteen, df = dos, p > 0.05) between hermit crab types and station from inside the Sulaman coastline.

step three.2 Shell play with

From the Sepangar coastline, a maximum of 29 shell types were used by the hermit crabs with a lot of occupied shells getting Clypeomorus batillariaeformis (%) accompanied by C. bifasciata (8.61%) and you will Rhinoclavis sinensis (cuatro.13%) if you are use of different kind regarding shells was in fact markedly reduced (Desk 3). Shells used by hermit crabs at station 5 appeared to be the essential diverse (H? = step one.30, J? = 0.51) certainly one of the channels while channel dos try at least varied (H? = 0.66, J? = 0.30) (Dining table 4). The new constitution off hermit crabs based on the five really filled shells are shown from inside the Contour 4. The fresh cover classification ‘others’ means the new cumulative proportion regarding hermit crabs by the kinds that made use of the kept twenty-six layer models. This new empty shells out-of C. batillariaeformis made many shells employed by all hermit crab types whereas shells from C. bifasciata illustrated large ratio away from shells utilized by C. striolatus (17%), D. tumidus (11%) and you will D. klaasi (6%) (Profile 4). In the Sulaman shore, simply several shells were used from the hermit crabs: Nassarius livescens and you can Cerithidea cingulata to the second occupied from the 98% of one’s hermit crabs (Desk step 3).

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