HABITAT QUALITY MUD CRAB (Scylla serrata) IN MANGROVE ECOSYSTEM OF BINTAN BAY,  BINTAN DISTRIC, RIAU ISLANDS

Tahmid, M.; Fahrudin, Achmad; Wardiatno, Yusli

doi:10.29244/jitkt.v7i2.11025

Cited by 6 publications

(4 citation statements)

References 22 publications

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“…In terms of size the crabs collected from Kahayan Delta was smaller than that from Tibi Island. This phenomenon might be caused by the discrepancies of habitat conditions in both locations (Tahmid et al 2015a(Tahmid et al , 2015b. Similar result was also found in east Kutai (Wijaya et al 2010), that have crabs size smaller than in mangrove habitat or the sea.…”

Section: Discussionmentioning

confidence: 99%

Carapace length-weight and width-weight relationships of Scylla serrata in Bulungan District, North Kalimantan, Indonesia

et al. 2017

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Widigdo B, Rukisah, Laga A, Hakim AA, Wardiatno Y. 2017. Carapace length-weight and width-weight relationships of Scylla serrata in Bulungan District, North Kalimantan, Indonesia. Biodiversitas 18: 1316-1323. The mud crab, Scylla serrata lives associated with mangrove ecosystems and is widely distributed in the Indo West-Pacific. The present work was aimed to reveal the carapace length/width-weight relationships of Scylla serrata in two mangrove ecosystem area of Bulungan District, North Kalimantan- Indonesia, i.e. Kahayan Delta and Tibi Island. The crabs were collected by using ambau pancang (trap) for two months from November to December 2016. A total of 522 individuals were collected and their carapace length, carapace width, and weight were measured. The sex ratio of total collected samples (male to female) was 1:0.79. Carapace length and width of S. serrata caught in these two study area ranged from 40 to 89 mm for male; 32 to 91 mm for female and 59 to 128 mm for male; 53 to 122 mm for female, respectively. The carapace length-weight relationships of total samples showed logarithmic equations as follow: W = -3.2194 + 2.9725 Log CL for male and Log W = -2.2010 + 2.3750 Log CL for female. While the carapace width-weight relationships are as follow: W = -3.9162 + 3.1012 Log CW for male and Log W = -2.6001 + 2.3968 Log CW for female. The b values of carapace width-weight relationship indicated that the growth pattern of male was positive allometric and female was negative allometric. Size frequency of crab population is also presented.

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Section: Discussionmentioning

confidence: 99%

Carapace length-weight and width-weight relationships of Scylla serrata in Bulungan District, North Kalimantan, Indonesia

et al. 2017

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“…A study by Setiawan and Triyanto (2012) showed that the Scylla serrata mangrove crabs prefer mangrove forests dominated by the mangrove genus Rhizophora. A study by Tahmid et al (2015) also showed a positive correlation A B between mangroves' density and Scylla serrata's abundance. Based on their observations, mud crabs tended to live in the mangrove vegetation with dense root systems capable of holding more silt substrate and forming small caves to hide and food.…”

Section: Discussionmentioning

confidence: 87%

Diversity and abundance of mud crabs (Scylla spp.) living in mangrove forest ecosystems on Serangan Island, Bali, Indonesia

SWASTA,

MURNI,

AMELIA

2023

Biodiversitas

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Abstract. Swasta IBJ, Murni IAAD, Amelia JM. 2023. Diversity and abundance of mud crabs (Scylla spp.) living in mangrove forest ecosystems on Serangan Island, Bali. Biodiversitas 24: 5664-5670. The mangrove forest ecosystem on Serangan Island contains dozens of types of aquatic fauna, including mud crabs from the Scylla genus (Scylla spp). The objectives of this study were to obtain the variety and abundance of mud crabs and to determine the variety and abundance of mangroves on Serangan Island after the reclamation. This study's results are expected to make all parties aware of the ecological impact of reclamation activities on the coast. Data on mangrove diversity was collected through observation during a field survey. At the same time, samples of mud crabs were caught randomly using traps (rakang) of as many as 20 units set proportionally around Serangan Island. The fishing gear (rakang) is placed in the afternoon at 18.00, then taken in the morning at 06.00 to see the trapped mud crabs. The data on the diversity and abundance of mud crabs were processed to obtain a diversity index using the diversity index formula (H') from Shannon Wiener and quantitative and qualitative descriptive. The results showed that there are three types of mud crabs around Serangan Island, namely Scylla serrata (47.8%), Scylla olivacea (30.4%), and Scylla tranquebarica (21.8%) with a diversity index (H' ) of mud crabs was 1,047. Scylla serrata has the highest prevalence of 35%, followed by Scylla olivacea (25%) and Scylla tranquebarica (10%). The mangrove community on Serangan Island consists of 6 species, namely Rhizophora apiculate, Rhizophora stylosa, Ceriop tagal, Sonneratia alba, Avicennia lanata, and Brugierra gymnorhiza.

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“…The lowest temperature is 31.7 o C, and the highest is 32.7 o C. The water temperature of the research location is not significantly different, and this is probably due to the location of the mangrove vegetation, which is entirely in direct contact with the sea, except in Tanjung Buku, Mapillli District, which is located slightly deeper and surrounded by cultivated water areas but still affected by tidal movements of seawater. According to Karim (2013), a suitable temperature for mud crab cultivation ranges from 26-32 o C. However, according to Tahmid et al (2015), the temperature range of 25-35 o C is still suitable habitat for adult crabs. Thus, the water temperature conditions of the research location are ideal for the maintenance of silvofishery mud crabs because adult crabs are cultivated, so an excess temperature of 0.7 0 C from the suitability threshold is considered not to interfere with crab growth.…”

Section: Discussionmentioning

confidence: 99%

Water Quality Assessment For The Development Of Silvofishery Pattern Mangrove Crabs In Coastal Area, Polewali Mandar, West Sulawesi

Muhtar¹,

Karim²,

Lanuru³

2021

IJSRP

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Silvofishery is a concept that was developed as a form of sustainable fisheries cultivation with low inputs. The basic principle of this cultivation is the plural or dual use of mangroves without losing their natural ecosystem function. Various marine biota can be cultivated using silvofishery patterns, one of which is the mangrove crab. This study examines the water quality for the development of silvofishery-style mud crab cultivation in Polewali Mandar Regency, West Sulawesi Province. The method used is a survey method to obtain water quality data. Sampling was carried out at four research stations, namely Campalagian, Wonomulyo, Mapilli, and Binuang, measuring directly in the field and analyzing water quality at the Fisheries Cultivation Laboratory Pangkep State Agricultural Polytechnic, South Sulawesi. The results showed that the water quality parameters of the coastal area of Polewali Mandar Regency were entirely suitable for silvofishery mud crab cultivation.

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HABITAT QUALITY MUD CRAB (Scylla serrata) IN MANGROVE ECOSYSTEM OF BINTAN BAY, BINTAN DISTRIC, RIAU ISLANDS

Cited by 6 publications

References 22 publications

Carapace length-weight and width-weight relationships of Scylla serrata in Bulungan District, North Kalimantan, Indonesia

Carapace length-weight and width-weight relationships of Scylla serrata in Bulungan District, North Kalimantan, Indonesia

Diversity and abundance of mud crabs (Scylla spp.) living in mangrove forest ecosystems on Serangan Island, Bali, Indonesia

Water Quality Assessment For The Development Of Silvofishery Pattern Mangrove Crabs In Coastal Area, Polewali Mandar, West Sulawesi

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