Resource management of coconut crab (Birgus latro) in liwo island, north maluku of Indonesia
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2015, Vol 6, Issue 5
Abstract
Coconut crab (Birgus latro) has ecological and economical value that only found in the islands which influenced by the Pacific and Indian Ocean currents, including Liwo Island. The research was done to describe a resource management of coconut crab (Birgus latro) in Liwo island according to the distribution and biological analysis of coconut crab. Data sampling was conducted in February-September 2013, data collection consisted of littoral rainforest vegetation, microhabitat and biological condition of coconut crab (thoracic length, weight, sex and gonad maturity). The result showed that Liwo Island microhabitat condition support the presence of coconut crab. Species diversity of littoral forest vegetation was low. Vegetation was dominated by Calophyllum inophyllum, Erythrina variegata, Areca catechu, Maga (Magnoliopsida) and Pandanus tectorius. Coconut crab population size was 1153 crabs with population density 5 crabs/Ha. The range of thorax length 3-66.09 mm with average of thorax length 23.46 mm. Growth pattern was included in allometric minor. This population was dominated by adult coconut crab with developing reproduction organ followed by functionally mature reproduction organ. A smaller catchable amount of coconut crab indicated that the resource management sustainability was needed to regulate catchable amount and size that involved of local community and relevant institutions.
Authors and Affiliations
S. E. Widiyanti, Marsoedi, Sukoso, D. Setyohadi
Keywords
Related Articles
- EP ID EP38429
- DOI -
- Views 140
- Downloads 0
Evaluation of heavy metal concentration in the poultry feeds
The study was conducted in order to determine the heavy metals contamination in poultry feed. Twenty-one samples of poultry feed were collected from three feed companies and five poultry farms. The samples were analyze...
Effects of nano-iron spraying on the antioxidant activities of canola leaf under drought stress
Drought stress limits plant productivity and performance constraining safe food production worldwide. Reactive oxygen species (ROS) are mostly harmful event taking place in plants under abiotic stresses. This study aimed...
Jasmonic acid influence on the activity of hyp-1 gene in St. John’s wort (Hypericum perforatum)
Considering the importance of hyp-1 gene function in hypericin biosynthesis in Hypericum perforatum, we studied the effect of various concentrations of jasmonic acid on the expression of this gene through qRT-PCR method....
Growth analysis rapeseed (Brassica napus L.) genotypes in different sowing date under warm and semiarid climate condition in South West of Iran
In Warm and semiarid climate condition alternative cropping in some cases have a negative effect on yield after summer cropping, because of Rapeseed delay planting. By analyzing the growth process, planting date and ef...
Plant diversity and distribution of weeds in winter season crops of agro-ecosystems in Bilaspur district, Chhattisgarh
A field survey was conducted at five different sites in Bilaspur district Chhattisgarh, during winter season of 2011- 12 to identify the diversity and distribution of weed species growing in association with cultured cr...