Abstract
Balikpapan Bay is one of locations of sampling sediments for the study of benthic foraminifera. The objective of this research was to determine the diversity of benthic foraminifera at different depths at Balikpapan Bay, East Kalimantan. Samples was selected at depth of 0-20 m, then divided into 4 depths, 0-5 m, 6-10 m, 11-15 m, and 16-20 m. A total of 1553 specimens were obtained from 66 species, 7 ordo, and 17 family. Asterorotalia trispinosa is a species with the highest of abundance, that followed by Rotalia sp.1, Rotalia sp.2, and Trichammina nana. The diversity index of each sampling point was different, 8 points have stable diversity, 11 moderate points, and 1 unstable point. This condition were influenced by depth, brightness, temperature, pH, turbidity, salinity, and DO at each sediment sampling point.
Highlights
Balikpapan Bay is one of locations of sampling sediments for the study of benthic foraminifera
The objective of this research was to determine the diversity of benthic foraminifera at different depths
Samples was selected at depth of 0-20 m
Summary
Teluk Balikpapan menjadi salah satu lokasi pengambilan sampel sedimen untuk penelitian foraminifera bentik. Tujuan penelitian ini adalah mengetahui keanekaragaman foraminifera bentik di perairan Teluk Balikpapan, Kalimantan Timur. Sampel dipilih pada kedalaman 0-20 m, kemudian dikelompokkan menjadi 4 kedalaman, yaitu 0-5 m, 6-10 m, 11-15 m, dan 16-20 m. Sebanyak 1553 spesimen yang diperoleh berasal dari 66 spesies, 7 ordo, dan 17 famili yang berbeda. Asterorotalia trispinosa merupakan spesies dengan kemelimpahan tertinggi, diikuti oleh Rotalia sp., Rotalia sp., dan Trichammina nana. Indeks keanekaragaman dari masing-masing titik sampling berbeda, yaitu 8 titik memiliki keanekaragaman stabil, 11 titik moderat, dan 1 titik tidak stabil. Kondisi tersebut dipengaruhi oleh kedalaman, kecerahan, temperatur, pH, turbiditas, salinitas, dan DO yang berbeda pada setiap titik pengambilan sampel sedimen
Sign-in/Register to view highlights & summary 
Published Version (
Free)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call