Tracking and determining the amount and types of urban sewage that is being releasing to the environment is important in planning for wastewater treatment systems and water quality control. In this research, in four stations of Anzali Lagoon, (by means of a gas chromatograph device with mass detector spectrometer) wastewater pollution has been measured and evaluated with molecular indicator Lin...

Mussel mussels are invasive shellfish whose reproductive potential in the Lahumbuti River is unknown. This study aims to determine seasonal variations reproduction of mussel shells River, Southeast Sulawesi. research was carried out Konawe, Sulawesi 2 periods, namely: May-October 2021 and February-June 2022. The were collected manually using a hand scoop. Furthermore, washed from dirt/soil atta...