Lokop is one of the villages in East Aceh which has a watershed Leuser Ecosystem. Human activities have potential to disrupt Trophic Status River, such as use pesticides for agriculture, household waste and potassium fishing. It necessary research quality waters River. The plankton community present river can be an indicator environmental pollution by analyzing saprobic index. This study aims d...

Coastal waters of Bojonegara in Banten Bay has a lot pressure from the surrounding environment, including industry and sand mining. The high intensity limited space encourage reclamation coastal areas which can trigger changes water quality. Research was conducted October to December 2019, aims analyze phytoplankton biodiversity pollution bioindicator waters. obtained through filtering 50 liter...

This article studies the indicator properties of gastropods common in Upper Syr Darya River basin. They are divided into ecological groups according to their habitats. The generally accepted and zoological methods were used research. According research results, fresh-water Fergana Valley inhabit xenosaprobic, oligosaprobic, β – mesosaprobic, α mesosaprobic polysaprobic waters. Molluscs mainly d...

Establishing robust estimates of polar marine biodiversity is important for interpreting future changes in the Arctic; however, despite a recent increase scientific expeditions, this region remains relatively underexplored. Particularly overlooked assessments are small species, such as protists, fungi, and many invertebrates that collectively known meiofauna. These species contribute to foundat...