The propagule dispersal pattern of the two common mangrove species, Avicennia marina (Forsk.) Vierh. and Rhizophora apiculata Blume at a fringed coast, in southwest tip Penang Island was examined. Propagule study both species were carried out by release recapture method, while early developments observed an on-site tethering system. A. propagules recorded higher rate as compared to R. apiculata...

This study aims to determine the bioconcentration of heavy metal Lead Pb in seawater, sediment, and mangrove plants Avicennia marina factor which was conducted January 2022 Mangunharjo coastal area. The method used this research a survey with quantitative analysis. samples A. mangroves were divided into three categories stem diameter, namely small (3 – 8 cm), medium (6 15 large (11 23 cm). Meas...

The antibacterial activity of the leaves and bark of mangrove plants, Avicennia marina, A. officinalis, Bruguiera sexangula, Exoecaria agallocha, Lumnitzera racemosa, and Rhizophora apiculata was evaluated against antibiotic resistant pathogenic bacteria, Staphylococcus aureus and Proteus sp. Soxhlet extracts of petroleum ether, ethyl acetate, ethanol and water were prepared and evaluated the a...

Avicennia marina (Forsk.) Vierh has a typical diurnal pattern of salt gland activity, with high secretion rate during the day, a peak at noon, declining after sunset, and remaining low throughout the night. The main factor affecting the daily secretion rhythm was radiation, with a 2-hr time lag between the radiation level and the corresponding secretion. This lag might be a result of a salt acc...

Mangrove leaves contain abundant bioactive compounds that can optimize the growth of shrimp. This research examined effect adding Avicennia marina to feed on and FCR Whiteleg shrimp determined optimal dose. seeds PL-20 were used in experiments employed RAL method with 4 treatments 3 replications. Different doses leaf extract used: (A) 125 ppm/500 g feed, (B) 175 (C) 225 (D). The amounted 3% tot...

Mangroves play an important role in carbon sequestration. However, mangroves can be sources of greenhouse gas (GHG) emissions. In this study, methane (CH4) emissions and related soil properties were determined multiple Taiwan, including Kandelia obovata Avicennia marina mangroves. K. possess prop roots, whereas pneumatophores are found A. marina. Our results showed that mangrove soils significa...