scholarly journals Analysis of water quality in Maninjau Lake, West Sumatera, Indonesia using phytoplankton

2018 ◽  
Vol 197 ◽  
pp. 13007
Author(s):  
Muhammad Arif Salsabil ◽  
Astri Rinanti ◽  
Melati Ferianita Fachrul
Keyword(s):  
Water Quality ◽  
Diversity Index ◽  
Inorganic Contaminants ◽  
Dominance Index ◽  
Average Value ◽  
Quality Of Water ◽  
Evenness Index ◽  
Polluted Waters ◽  
Research Show

This research aimed to analyze the water quality of Maninjau Lake (0°19'N 100°12'E, 0,317°S 100,2°E), West Sumatera, Indonesia by phytoplankton as bioindicator of water quality. The quality of water was determined by identified the phytoplankton. Analyzed phytoplankton as bioindicator with Diversity Index (H′), Evenness Index (E) and Dominance Index (D). The abundance of phytoplankton ranged 273-378 cell/liter, consists of three division which are Cyanophyta, Chrysophyta, and Chlorophyta. The average value of Diversity Index (H′) is 3.52 show that the waters classified as moderate, or indicating half-polluted waters. The average value of Evenness Index (E) is 0.92 indicating that the evenness of species is medium. The average value of Dominance Index (C) is 0.12, meaning there is not any phytoplankton dominance in the waters. Maninjau Lake is slightly polluted caused by organic and inorganic contaminants from many activities surrounding especially household and fish breeding activities. The research show that Maninjau Lake is in oligotrophic state or nutrient-deficient waters.

scholarly journals The Structure of Macrozoobenthos Community as a Bioindicator of Water Quality in Gilimanuk Bay, Jembrana Regency, Bali

2021 ◽  
Vol 5 (2) ◽  
pp. 57
Author(s):  
Yohana Christanti Ndale ◽  
I Wayan Restu ◽  
Ni Putu Putri Wijayanti
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
Diversity Index ◽  
Water Area ◽  
Dominance Index ◽  
Know How ◽  
Quantitative Descriptive ◽  
Polluted Waters ◽  
Descriptive Method

Gilimanuk Bay is a water area located in Melaya District, Jembrana Regency, West Bali Region. In this area, there are development and human activities that have an impact on the quality of the waters so that they interfere with the life of organisms such as macrozoobenthos. Macrozoobenthos can be the bioindicator that determining the condition in a water area. The decline of the macrozoobenthos community structure is an indicator of a disturbance in the ecosystem in these waters. The purpose of this research to know how community structure of macrozoobenthos and the condition of the water quality in Gilimanuk Bay. This research was conducted in June to July 2020. The research used the quantitative descriptive method, with 3 of the research stations. Based on the result of the research, it has found 45 species of macrozoobenthos that included from 5 classes, there are Gastropods, Bivalves, Crustaceans, Polychaeta and, Sipunculidea. The highest total abundance was at station 3, namely 534.33 ind/m2, station 1 is 522.00 ind/m2 and the lowest abundance is at station 2, namely 371.33 ind/m2. The diversity index obtained was classified as moderate, which ranges from 1.53-1.89, the uniformity index is classified as moderate, which ranges from 0.47-0.57, while the dominance index is low to moderate, which ranges from 0.29-0.44. Based on the macrozoobenthos community structure and the interrelation with water quality, Gilimanuk Bay is classified as moderately polluted waters.

scholarly journals Analysis of Gastropod Diversity as a Bioindicator of Waters in Situ Ciburuy Padalarang, West Bandung Regency, West Java, Indonesia

2021 ◽  
pp. 10-19
Author(s):  
Erwin Theofilius ◽  
Zahidah Hasan ◽  
Asep Agus Handaka ◽  
Herman Hamndani
Keyword(s):  
Water Quality ◽  
Species Diversity ◽  
Sampling Method ◽  
Diversity Index ◽  
Research Area ◽  
Survey Method ◽  
Gastropod Species ◽  
Evenness Index

This study conducted to determine the water quality of Situ Ciburuy based on the structure of the gastropod community as a bioindicator. The survey method used in this study based on collecting data directly at the research area (purpose sampling method).  For instance, species and density of gastropods were descriptively analyzed, using diversity index and evenes index. For instance, The findings showed that level of water quality in  Situ Ciburuy based on gastropods bioindicators was lightly polluted. That is indicated by the low to moderate diversity of gastropods, which ranges from 1.31-1.98. The Shannon evenness index (0,73-0.95) revealed low gastropod species diversity in Situ Ciburuy, indicating low evenness of gastropod in Situ Ciburuy.

scholarly journals STRUKTUR DAN KOMPOSISI FITOPLANKTON DI BAGIAN TENGAH DAN HILIR SUNGAI SALUESEM - SULAWESI UTARA

2015 ◽  
Vol 17 (1) ◽  
pp. 111
Author(s):  
Jeane O.K Tiwow ◽  
Herni E.I Simbala ◽  
Sendy Rondonuwu ◽  
Ratna Siahaan
Keyword(s):  
Water Quality ◽  
Random Sampling ◽  
Diversity Index ◽  
Light Pollution ◽  
Phytoplankton Composition ◽  
North Sulawesi ◽  
Evenness Index

STRUKTUR DAN KOMPOSISI FITOPLANKTON DI BAGIAN TENGAH DAN HILIR SUNGAI SALUESEM - SULAWESI UTARA ABSTRAK Sungai Saluesem berasal dari Gunung Mahawu melintasi Kota Manado sebelum bermuara di Teluk Manado, Sulwesi Utara. Penelitian dilakukan di bagian tengah dan hilir Sungai Salueseum, Sulawesi Utara dari April hingga November 2014. Penelitian ini bertujuan untuk menganalis ke struktur dan komposisi fitoplankton di bagian tengah dan hilir Sungai Saluesem, Sulawesi Utara. Penelitian menggunakan metode purposive random sampling untuk menentukan lokasi penelitian. Dua stasiun penelitian disebarkan di tiap bagian sungai. Sebanyak tiga ulangan dilakukan di tiap stasiun. Total banyaknya sampel yaitu dua belas (2x2x3) sampel yang diperoleh dengan plankton net ukuran 30 mesh. Hasil penelitian menunjukkan bahwa fitoplankton yang didapatkan di bagian tengah Sungai Saluesem sebanyak 399 individu, 28 spesies dan 3 kelas.  Fitoplankton yang didapatkan di bagian hilir Sungai Saluesem sebanyak 913 individu, 26 spesies dan 4 kelas. Kelas fitoplankton yaitu Bacillariophyceae, Chlorophyceae dan Cyanophyceae dan Euglenophyceae. Kelas Bacillariophyceae merupakan kelas yang memiliki kepadatan tertinggi di bagian tengah dan hilir berturut-turut yaitu 4067 individu/m3 (81%) dan 14950 individu/m3 (95%). Indeks keanekaragaman di bagian tengah dan hilir termasuk keanekaragaman sedang dengan nilai H’ bagian tengah  (H’: 2,88) dan hilir (H’: 2,64). Distribusi species fitolankton di bagian tengah dan hilir merata dengan Indeks Kemerataan (E)  berturut-turut yaitu 0,87  dan 0,81.  Tidak ada species fitoplankton di bagian tengah yang mendominansi dengan nilai Indeks Dominansi (D) mendekati nol (0,222). Beberapa species fitoplankton di bagian hilir mendominansi dengan nilai Indeks D mendekati satu (0,544). Kualitas air Sungai Saluseum di bagian tengah dan hilir dikategorikan tercemar ringan. Kata kunci : Sungai Saluesem, struktur fitoplankton, komposisi fitoplankton, kualitas air, Sulawesi Utara. STRUCTURE AND COMPOSITION OF PHYTOPLANKTON OF MIDDLE AND DOWNSTREAM SALUESEUM RIVER, NORTH SULAWESI ABSTRACT Saluesem River originated from Mahawu Mount crosses the Manado City before down to Manado Bay, North Sulwesi. The study was conducted in the middle and lower part of Salueseum River, North Sulawesi from April to November 2014. This study aims to analyze the structure and composition of the phytoplankton at the middle and lower part of the River Saluesem, North Sulawesi. Research used purposive random sampling to choose researc locations. Two research stations were distributed in each part of the river. A total of three replications performed at each station. The total number of samples that were twelve (2x2x3) samples by plankton net 30 mesh. The results showed that phytoplankton at the middle as 399 individuals, 28 species and 3 classes. Phytoplankton were at down as 913 individuals, 26 species and 4 classes i.e.  Bacillariophyceae, Chlorophyceae and Cyanophyceae and Euglenophyceae. Bacillariophyceae has the highest density at the middle and downstream respectively were 4067 individuals/m3 (81%) and 14950 individuals/m3 (95%). Diversity index (H’) at middle and downstream were classified into middle diversity with index respectively 2.88 and 2.64. Evenness index (E) at middle and down respectively were 0.87 and 0.81 showed that phytoplankton distributed equally. Some species at middle were dominant (D:0.222) but not at downstream (D: 0,544). Water quality of middle and downstream Saluseum River were classified into light pollution. Keyword: Saluesem River, structure phytoplankton, composition phytoplankton, water quality, North Sulawesi.

scholarly journals Jumlah dan Jenis Fitoplankton Di Muara Sungai Banjir Kanal Barat Semarang

2020 ◽  
Vol 9 (3) ◽  
pp. 261-270
Author(s):  
Anantya Setya Perdana ◽  
Raden Ario ◽  
Hadi Endrawati
Keyword(s):  
Water Quality ◽  
River Flow ◽  
Diversity Index ◽  
Evaluation Criteria ◽  
River Estuary ◽  
Aquatic Organisms ◽  
Household Waste ◽  
The West ◽  
Dominance Index ◽  
Polluted Waters

ABSTRAK: Muara Sungai Banjir Kanal Barat merupakan muara sungai terbesar di Semarang yang alirannya langsung menuju ke laut. Terdapat beberapa aktifitas yang terjadi di sepanjang aliran ini, diantaranya yaitu aktifitas industri dan pemukiman penduduk. Selain itu, adanya pembuangan limbah rumah tangga yang masuk ke dalam badan sungai yang juga berdampak bagi perubahan kualitas perairan serta kehidupan ekosistem di sepanjang aliran sungai tersebut. Fitoplankton merupakan organisme perairan yang keberadaannya dapat dijadikan sebagai indikator kualitas perairan. Penelitian ini bertujuan untuk mengetahui komposisi, kelimpahan, indeks keanekaragaman, indeks keseragaman, dan indeks dominasi fitoplankton di Muara Sungai Banjir Kanal Barat Semarang. Penelitian ini dilakukan pada Oktober-Desember 2019. Metode yang digunakan adalah metode deskriptif eksploratif. Pengambilan sampel dilakukan sebanyak tiga periode dengan interval dua minggu sekali di tiga stasiun. Stasiun 1 merupakan perairan air tawar, stasiun 2 merupakan muara dan stasiun 3 merupakan perairan air laut. Hasil penelitian menunjukkan bahwa terdapat 24 genus fitoplankton dari 3 kelas, yaitu 17 genus dari kelas Bacillariophyceae, 5 genus dari kelas Dinophyceae dan 2 genus dari kelas Cyanophyceae dengan kelimpahan terbesar terdapat pada Stasiun 3 sebesar 67669 sel/L dan terendah pada Stasiun 1 sebesar 52287 sel/L, indeks keanekaragaman termasuk kategori sedang. Indeks keseragaman termasuk dalam kategori tinggi, indeks dominansi termasuk dalam kategori tidak ada jenis yang mendominasi. Berdasarkan kriteria penilaian menurut Shannon – Wiener bahwa perairan tersebut tergolong ke dalam perairan tercemar sedang. ABSTRACT: The Banjir Kanal Barat River Canal is the largest river estuary in Semarang that flows directly to the sea. There are several activities that occur along this flow, including industrial activities and human settlements. In addition, the disposal of household waste that enters the river body also has an impact on changes in water quality and ecosystem life along the river flow. Phytoplankton is aquatic organisms whose existence can be used as indicators of water quality. This study aims to determine the composition, abundance, diversity index, uniformity index, and a dominance index of phytoplankton in the West Banjir Canal River Estuary in Semarang. This research was conducted in October-December 2019. The method used is a descriptive exploratory method. Sampling was conducted in three periods with biweekly intervals at three stations. Station 1 is freshwater waters, station 2 is estuary and station 3 is seawater waters. The results showed that there were 24 genera of phytoplankton from 3 classes, namely 17 genera from the Bacillariophyceae class, 5 genera from the Dinophyceae class and 2 genera from the Cyanophyceae class with the greatest abundance at Station 3 at 67669 cells/L and lowest at Station 1 at 52287 cells/L, the diversity index is in the medium category. Uniformity index is included in the high category, dominance index is included in the category of no species that dominates. Based on the evaluation criteria according to Shannon-Wiener that the waters are classified as medium polluted waters.

scholarly journals Biodiversity of Fishes in Musi Estuary, South Sumatra, Indonesia

2020 ◽  
Vol 9 (2) ◽  
pp. 192-198
Author(s):  
Fitri Agustriani ◽  
Anna Ida Sunaryo Purwiyanto ◽  
Wike Ayu Eka Putri ◽  
Fauziyah Fauziyah
Keyword(s):  
Community Structure ◽  
Data Collection ◽  
Diversity Index ◽  
Stable Condition ◽  
High Availability ◽  
Fishing Ground ◽  
Dominance Index ◽  
Average Value ◽  
Gill Net ◽  
Evenness Index

Agustriani F, Purwiyanto AIS, Putri WAE, Fauziyah F. 2020. Biodiversity of fishes in musi estuary, South Sumatra, Indonesia.  Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 9(2): 192-198.The high activity in the Musi estuary will have an impact on fishes diversity. This research aimed to analyse the biodiversity of fishes in the Musi estuary in South Sumatra. An experimental fishing method was used for data collection by fishing ground following the local fishermen habit using gillnet millennium. The abundance of fish species found were 21 species and 16 families. The main catch was Hemibagrus nemurus with a high relative abundance (RA) of 35.4% but the high availability frequency of 100% is Eleutheronema tetradactylum. The average value of the moderate diversity index (H'= 1.47), the moderate evenness index (J'= 0.48) and the low dominance index (D= 0.32). This condition shows that the community structure of the species captured by the gill net is in a fairly stable condition with the number of species that are spread fairly evenly and no species dominate each other.

scholarly journals Struktur Komunitas Makrozoobenthos Sebagai Indikator Kualitas Perairan di Pantai Serangan Provinsi Bali

2018 ◽  
Vol 5 (1) ◽  
pp. 36
Author(s):  
Yulihatul Meisaroh ◽  
I Wayan Restu ◽  
Dewa Ayu Angga Pebriani
Keyword(s):  
Water Quality ◽  
Species Distribution ◽  
Quantitative Method ◽  
Diversity Index ◽  
Small Island ◽  
Dominance Index ◽  
Know How ◽  
Wiener Diversity Index ◽  
Transportation Routes ◽  
Polluted Waters

Serangan Island is a small island located approximately 5 km in south of Denpasar City and has a maximum length of 2.9 km and a width of 1 km which is administratively as part of the Denpasar City, Bali Province. Serangan Island is widely used for aquaculture and fisheries activities, moreover Serangan is also used as tourism activities, transportation routes, the harbour of ships and residences which may have impact on the aquatic ecosystem balance. The purpose of this research is to know how the structure of macrozoobenthos community and the water quality condition in Serangan Island. The research was conducted on February to March 2017 by using descriptive quantitative method in 3 research stasions. The result showed that there are 23 species of macrozoobenthos that consists of 7 classes, namely Gastropods, Bivalve, Crustacea, Echinoidea, Asteroidea, Ophiuroidea, and Holothuroidea. The highest total of abundance was at station 1 about 46,8 ind/m2. The diversity index ranged from 0,66-2,14  and the equibility index ranged from 0,60-0,81, while the dominance index ranged from 0,17-0,63. Based on the criteria of the Shanon-Wiener diversity index (H'), the diversity index at station 1 and 2 indicates moderate diversity which has moderate species distribution and moderately polluted waters, whereas the value of the diversity index at station 3 indicates that the diversity in this stasion is low, showed by low abundance of species, low stability of the community and severe polluted condition.

Investigation of Phytoplankton and Evaluation on Water Quality of Taizi River in Liaoyang Area

2014 ◽  
Vol 955-959 ◽  
pp. 403-406 ◽  
Author(s):  
Hong Wei Wang ◽  
Qing Chao Xing ◽  
Chun Long Zhao ◽  
Hai Tao Zhao ◽  
Liang Ma ◽  
...  
Keyword(s):  
Water Pollution ◽  
Water Quality ◽  
Phytoplankton Community ◽  
Diversity Index ◽  
Species Diversity Index ◽  
Wiener Diversity Index ◽  
Evenness Index ◽  
Taizi River ◽  
Better Than

To evaluate water quality, an investigation of phytoplankton community was conducted in Taizi River of Liaoyang Area, June 2011. The results showed that 130 species of phytoplankton belong to 6 phyla and 63 genera existed. Chlorphyta has the richest species of algae, which accounted for 43.85% of the total number, followed by Bacillariophyta (32.41%). Water quality in upstream is better than downstream. Species and biomass of Cyanophyta and Euglenophyta which have tolerance of pollution increasing According to the integrative analysis result of Shannon-Wiener diversity index, Pielou Evenness index and Margalef Species diversity index, Taizi river is judged belong to low-polluted or oligo- polluted，but some sites belong to β -moderate polluted, effective managements should be taken in order to control the water pollution.

scholarly journals Biodiversity of benthic macroinvertebrates in Sungai Kisap, Langkawi, Kedah, Malaysia

2021 ◽  
Vol 6 (1) ◽  
pp. 36-40
Author(s):  
S. Nurhafizah-Azwa ◽  
A.K. Ahmad
Keyword(s):  
Water Quality ◽  
Benthic Macroinvertebrates ◽  
Diversity Index ◽  
Strong Relationship ◽  
Biological Indicators ◽  
Diversity Indices ◽  
Average Value ◽  
Evenness Index ◽  
Moderate Condition ◽  
Richness Index

A study on macroinvertebrate diversity was conducted in Sungai Kisap, Langkawi, Kedah. Five stations were selected with a distance of approximately 500 metres apart with three replications of benthos and two replications of water sample. The results classified Sungai Kisap in Class I, which indicates very good water quality based on WQI recommended by the Department of Environment. A total of 2 phyla, 3 classes, 8 orders, 29 families, and 3564 individuals were successfully sampled and recorded. The presence of Hydropsychidae, Baetidae, and Chironomidae with a high abundance of the families show the potential to be used as biological indicators of a clean ecosystem. The analysis showed that the average value of Shannon Diversity Index, H’ (1.28), Pielou Evenness Index, J’ (0.45), and Margaleff Richness Index, DMG (2.80) indicates that Sungai Kisap is in moderate condition and the distribution of macroinvertebrates is uniform between stations. The correlation test showed that the WQI has a strong relationship with the diversity indices involved. BMWP, ASPT, and FBI showed that Sungai Kisap has good water quality.

scholarly journals STRUKTUR KOMUNITAS MAKROALGA DI PANTAI GEGER DAN PANTAI MENGENING KABUPATEN BADUNG

2021 ◽  
Vol 9 (1) ◽  
pp. 51
Author(s):  
Ni Putu Sintha Maharani ◽  
Ni Luh Watiniasih ◽  
Ayu Putu Wiweka Krisna Dewi
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
Diversity Index ◽  
Habitat Characteristics ◽  
Dominance Index ◽  
Sandy Substrate ◽  
Stable Conditions ◽  
Evenness Index ◽  
Coral Rock ◽  
Stems And Leaves

Macroalgae is a type of flora known as seaweed and is classified into low-level plants, where roots, stems, and leaves are relatively difficult to distinguish. This study aims to determine the differences of habitat characteristics, number of species, biomass, and macroalgae community structure in Geger Beach and Mengening Beach. This quadrant transect method was used to collect the data. The results show that Geger Beach has sandy substrate, while Mengening Beach has substrate consisting of coral rock. The water quality in both locations are still suitable for macroalgae growth. The results of the study found 8 types of macroalgae in Geger Beach and 10 types of macroalgae in Mengening Beach. The highest macroalgae biomass at Geger Beach was found in Gracilaria hayi with the weight ranging from 72.08-73.18 g/m2, while at Mengening Beach was found in the Valonia aegagropila, ranging from 181.31-190.40 g/m2. The diversity index of macroalgae in Geger Beach was between 1.93-1.99, while at Mengening Beach was between 1.79-2.07, therefore categorized as medium. The dominance index of macroalgae at Geger Beach was between 0.15-0.17, while at Mengening Beach was between 0.17-0.25, therefore the dominance index at both site was categorized low. The evenness index at Geger Beach was between 0.93-0.96, while at Mengening Beach was between 0.78-0.90, which categorized as stable conditions.

scholarly journals Plankton Community as a Bio-indicator of Water Quality in Situ Ciburuy Padalarang, West Bandung Regency, West Java

2021 ◽  
pp. 36-49
Author(s):  
Ezra Angel R. Samosir ◽  
Zahidah Hasan ◽  
Iis Rostini ◽  
Herman Hamdani
Keyword(s):  
Water Quality ◽  
Diversity Index ◽  
Plankton Community ◽  
Survey Method ◽  
Unstable Condition ◽  
Dominance Index ◽  
Simpson Diversity Index ◽  
Phytoplankton Group

This research was conducted to determine the water quality of Situ Ciburuy based on the plankton community as water quality bio-indicator. This research used the survey method and the observation result data were analyzed descriptively. The abundance of phytoplankton is about 340 – 8913 ind/L indicates that the abundance of phytoplankton is moderate and the abundance of zooplankton is about 7 – 30 ind/L indicates that the abundance of zooplankton is low. The Simpson diversity index for the phytoplankton group ranged from 0.29 – 0.33 and the Simpson Diversity Index for the zooplankton group ranged from 0.42 – 0.56 while the Simpson Dominance Index for the phytoplankton group ranged from 0.67 – 0.71 and the Simpson Dominance Index for zooplankton ranged from between 0.44 – 0.58 which indicates Situ Ciburuy is in an unstable condition. Based on the value of the Saprobic Index ranged between (-0.2) to (0). Situ Ciburuy belongs to α / β – mesosaprobic phase and categorized in the moderately polluted category.

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