Abstract
Periphyton group are biota communities that be able adapt and grow well in lentic waters. Their habits are adhere to a permanent location. Aquatic vegetation in Bangkau can influenced the periphyton abundance and diversity as natural food in the food chain. The purpose of this study was to analyzed abundance and diversity of Periphyton from different aquatic vegetation. The research was conducted in three stations by purposive sampling. The method used was quantitative explored. The data that has been taken were epiphythic periphyton samples. Periphyton sampling procedures, preservation, and analysis were carried out based on Indonesian National Standard methods. Bangkau’s peatland had the highest abundance of phytoplankton-periphyton (9982 sel/liter) in inlet, but low at middle station (778 sel/liter). Zooplankton-periphyton (553 sel/liter) in middle station was the highest abundance whereas in outlet station (153 sel/liter) was the lowest. Bacillariophyceae had predominant and always attendanced Oscillatoria, Closterium, Planktonella, Diatom, meanwhile zooplankton-periphyton dominated Ciliophora in all stations and sampling. Diversity index of phytoplankton-periphyton in inlet station (1,55) was the highest and in inlet (0,77) was the lowest. Zooplankton-periphyton in middle (1,76) and outlet (0,94) was different based on Shannon wiener’s Index. The abundance index of Bangkau were mesotrophic categorized for phytoplankton-periphyton and oligotrophic for zooplankton-periphyton. Due to the low level of species diversity (H’≤ 3) showed moderate stability and for the water quality conditions was moderate polluted.
Highlights
Rendahnya kuantitas ikan piscivora di perairan selain faktor penangkapan yang tinggi akibat permintaan meningkat di pasaran, tingginya predator, terbatasnya suplai pakan yang berasal dari perifiton (Amelida et al, 2016) dalam trophik level
Epipsammic diatoms in streams influenced by urban pollution, São Carlos, Brasil
Struktur Komunitas Plankton Pada Perairan yang ditumbuhi Eceng Gondok Sebagai Bioindikator Kualitas Perairan di Danau Rawa Pening, Semarang
Summary
Penelitian ini telah dilaksanakan dari bulan Juli sampai Oktober 2020, berlokasi di perairan rawa Bangkau Kecamatan Kandangan Kabupaten Hulu Sungai Selatan. Penentuan lokasi berdasarkan survei awal menjadi tiga stasiun yang masing-masing memiliki tutupan tumbuhan air yang berbeda. Pengambilan sampel perifiton dilakukan secara bersamaan pada 3 stasiun sebanyak 3 kali dengan interval 1 minggu. Sampel perifiton yang diambil menempel pada substrat batang, daun dan akar tumbuhan air yang terendam pada kedalaman yang masih ditembus cahaya matahari. Hasil kerikan yang telah didapatkan kemudian dibersihkan dengan menggunakan aquades dan sebagian disaring menggunakan plankton net no 25, kemudian dimasukan ke dalam botol contoh dan diawetkan menggunakan larutan lugol 1% hingga larutan sampel berubah warna menjadi kuning teh. Analisis Kelimpahan Dan Keanekaragaman Perifiton Rawa Bangkau Kabupaten Hulu Sungai Selatan Kalimantan Selatan (Dharmaji, D., et al) yang dihitung index kelimpahan, keanekaragamann Shannon-Wiener.
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