step 3.step one Range and you can variety of your own hermit crab society

step 3.step one Range and you can variety of your own hermit crab society

3.1.step 1 Sepangar shore

A maximum of 850 specimens was basically accumulated spanning of 5 species owned by a few genera from the family Diogenidae: Clibanarius merguiensis, C. striolatus, Diogenes klaasi, D. pallescens and D. tumidus. The biggest varieties was C. striolatus (SL 5.64 ± dos.55 mm), followed closely by C. merguiensis (5.forty five ± 2.forty eight mm), D. pallescens (cuatro.37 ± dos.39 mm), D. klaasi (cuatro.28 ± 2.37 mm) and you may D. tumidus (cuatro.fourteen ± step 1.86 mm). Best diversity try registered in the a hundred meters (H? = step 1.09) once the low at the 0 yards (H? = 0.00) where only 1 types (D. klaasi) was present. Hermit crab types from the one hundred m was in fact one particular uniformly delivered (J? = 0.79) while they were minimum of evenly delivered during the 0 m (J? = 0.00) (Table dos).

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.

Suggest density (+SD) of hermit crabs because of the variety during the an (e-f) beaches. D. pallescens out-of Sepangar wasn’t integrated due to suprisingly low occurrence and are absent for the majority programs.

step three.1.dos Sulaman coastline

There are only a couple of types on Sulaman coast; the newest prominent D. foresti (SL 2.83 ± step one.03 mm) plus one Diogenes sp. (Shape 3b) that was too little (SL step 1.53 ± 0.42 mm) is totally identified. Diversity and evenness indices weren’t determined having hermit crabs during the Sulaman due to the lowest level of varieties. Thickness out-of D. foresti essentially decreased off 3.33 ± dos.65 ind/m dos within 0 meters in order to 0.sixteen ± 0.twenty eight ind/yards 2 at 29 meters (Shape 2e). Diogenes sp. try absent within 31 m and you can took place few with an overall suggest thickness out-of 0.21 ± 0.thirty two ind/meters dos . Chi-rectangular take to revealed no relationship (? dos = 0.fifteen, df = 2, p > 0.05) ranging from hermit crab species and station during the Sulaman shore.

3.2 Shell have fun with

Within Sepangar coastline, a total of 31 cover kinds were used by hermit crabs with many occupied shells becoming Clypeomorus batillariaeformis (%) followed closely by C. bifasciata (8.61%) and Rhinoclavis sinensis (cuatro.13%) if you are usage of other type off shells was indeed significantly lower (Table step 3). Shells employed by hermit crabs at the channel 5 looked like the essential diverse (H? = 1.30, J? = 0.51) certainly one of the channels while route dos try minimum of varied (H? = 0.66, J? = 0.30) (Table cuatro). The latest constitution of hermit crabs according to research by the five really filled shells was shown inside the Shape cuatro. Brand new layer category ‘others’ is short for new collective ratio off hermit crabs from the kinds you to utilized the leftover twenty six cover designs. The fresh blank shells off C. batillariaeformis manufactured many shells used by most of the hermit crab kinds whereas shells out of C. bifasciata illustrated reasonable proportion from shells employed by C. striolatus (17%), D. tumidus (11%) and D. klaasi (6%) (Profile 4). At Sulaman coast, merely one or two shells were utilized because of the hermit crabs: Nassarius livescens and you may Cerithidea cingulata towards second filled from the 98% of the hermit crabs (Desk step 3).

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