SUMMARY The Kali Angke waters flows through a densely populated area with various economic activities, making it a location for domestic waste disposal. The study was conducted at four observation stations representing various environmental conditions. Sampling was carried out using a purposive sampling method and identification was carried out at the Ecology and Biodiversity Laboratory of Jaka…
This study aims to investigate the dragonfly community structure (Order: Odonata) in oil palm plantations in the Tebing Tinggi District, Empat Lawang Regency, and its contribution to high school biology learning. The research method used was a survey method with purposive sampling to identify dragonfly species in the oil palm plantations. The results show that there are 11 dragonfly species bel…
Perubahankualitas perairan erat kaitannya dengan kelimpahan dan struktur komunitas fitoplankton sehingga keberadaan fitoplankton di suatu perairan dapat memberikan infomasi mengenai kondisi suatu perairan. Tujuan penelitian ini adalah untuk mengkajiparameter fisika dan kimiadiperairan pesisir Banyuasin, menganalisis kelimpahan danstruktur komunitas fitoplankton serta menganalisis keterkait…