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 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 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.

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.

STRUKTUR KOMUNITAS PLANKTON SEBAGAI BIOINDIKATOR KUALITAS AIR DI SUNGAI UPANG DESA TANAH BAWAH KECAMATAN PUDING BESAR

2020 ◽  
Vol 14 (1) ◽  
pp. 26-32
Author(s):  
Mirwan Suhadi ◽  
Andi Gustomi ◽  
Okto Supratman
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
River Water ◽  
Diversity Index ◽  
Plankton Community ◽  
Purposive Sampling ◽  
Low Correlation ◽  
Highly Correlated ◽  
The Relationship

This Research Is For Analyzing The Structure Of The Plankton Commmuity Also Analyzing The Quality Of The Water And Also The Relationship Or Connection Between The Plankton Against Environment At Upang River, Tanah Bawah Village, The Sub-Disctrict Of Puding Besar. Time And Place Of This Research Was Done In January 2020 At Upang River. Sampling Was Choosen By Doing A Method Called Purposive Sampling That Was Divided Into 3 Research Stations. Plankton Data Taking Was Done By Filtering The River Water 100 Litres Using A Tool Called Plankton Net. The Output Result From Anaylzing The Structure Of The Plankton Community Was 4 Classes And 10 Species Of Plankton That Was Found At The End Of Upang River, Tanah Bawah Village. And The Species Were: Acicular Sp, Navicular Sp, Bacilaria Paradoxa, Isthmia Sp, Pactylococcopsis Sp, Spirulina Laxxissima, Lingbya Agardh, Chrysophyta Sp, Spyrogyra Sp And Asterionela Formosa. The Abundance Of Plankton Itself Between 792-1325 Ind/L. Diversity Index (H’) Is Classiefied In The Diversity That Ranges From 1,41-1,83. Low Index ( D ) Is Dominated Around 0,19-0,33 And Uniformity Index ( E ) Is Also Dominated Around 0,68- 0,83. The Result Of Analysis Between Plankton With Environment Was Done By Using Pca That We Got By Analyzing The Plankton That Has High Correlation Against The Nitrat Parameter, Current And Depth Of The Water And Low Correlation Towards Light, Bod, Tss And Do. Highly Correlated Relationship Means That The Abundance Of Plankton Is Very Influential Towards The Paramater Itself, Otherwise Low Correlated Relationship Means The Abundance Of Plankton Is Less Effective Towards The Parameter.   Keywords: Plankton, Water Quality, Community Structure, Upang River.

scholarly journals STRUKTUR KOMUNITAS MAKROZOOBENTOS DI PERAIRAN TELUK JAKARTA

2017 ◽  
Vol 13 (2) ◽  
pp. 105
Author(s):  
Sri Turni Hartati ◽  
Awwaluddin Awwaluddin
Keyword(s):  
Water Quality ◽  
Organic Matter ◽  
Community Structure ◽  
Diversity Index ◽  
Homogeneity Index ◽  
Total Organic Matter ◽  
Dominance Index ◽  
Water Condition ◽  
Substrate Texture ◽  
Low Diversity

Analisis struktur komunitas makrozoobentos dilakukan terkait dengan upaya pemantauan kondisi perairan Teluk Jakarta dengan membagi perairan ini menjadi 4 wilayah, yaitu A, B, C, dan D. Zona A terletak terjauh dari daratan, kurang lebih 20 mil dan wilayah D semakin mendekat daratan dengan jarak kurang lebih 5 mil. Analisis yang dilakukan meliputi komposisi jenis, kepadatan, keanekaragaman, keseragaman, dominansi, dan beberapa parameter kualitas perairan yang mendukung seperti kedalaman, suhu, kecerahan, kecepatan arus, salinitas, oksigen terlarut (DO), pH, total organik matter, dan tekstur substrat. Hasil penelitian menunjukkan bahwa makrozoobentos yang ditemukan terdiri atas 5 kelas, 42 famili dan 63 genera. Pada wilayah A ditemukan makrozoobentos dari kelas Scaphopoda, Gastropoda, Bivalva, Malacostraca, dan Polychaeta yang didominasi oleh Scaphopoda. Pada wilayah B, C, dan D ditemukan makrozoobentos dari kelas Bivalva, Scaphopoda, Gastropoda, dan Malacostraca, jenis yang mendominasi ke-3 wilayah tersebut adalah Bivalva. Kepadatan makrozoobentos berkisar antara 2,2x103 sampai dengan 3,2x105 ind.m-2. Indeks Keanekaragaman berkisar antara 0,55 sampai dengan 2,95 yang berarti keanekaragaman rendah. Indeks Keseragaman berkisar antara 0,14 sampai dengan 0,79, nilai tersebut termasuk dalam kategori rendah sampai dengan tinggi. Nilai Indeks Dominansi berkisar antara 0,17 sampai dengan 0,86 yang berarti dominansi rendah sampai dengan tinggi. Dominansi terjadi di wilayah D yaitu di stasiun D4 dengan jenis dominan Donax sp. dari kelas Bivalva. Parameter perairan Teluk Jakarta pada umumnya cukup mendukung untuk kehidupan makroozoobentos. The community structure analysis on macrozoobenthos was conducted in relation to the monitoring action of water condition on Jakarta Bay. The bay was classified into 4 zones, such as A, B, C,and D. The zone A is located approximately 20 miles from land and the zone D is nearest (5 miles) from land. The analysis comprised of species composition, abundance, diversity, homogeneity, dominance, and other parameters of water quality such as depth, temperature, tranparancy, current velocity, salinity, dissolved oxygen, pH, total organic matter, and substrate texture. The results show that there were 5 classes of macrozoobenthos, consisting of 42 families and 63 genera. There were Scaphophods, Gastrophods, Bivalvas, Malacostracans, and Polychaetas found in zone A with regard to Scaphophods domination. There were only Bivalvas, Scaphophods, Gastrophods, and Malacostracans found in zone B, C, and D with regard to Bivalvas domination. The abundance of these macrozoobenthos ranged from 2.215 to 323.100 ind.m-2. The diversity index ranged from 0.55 to 2.95 indicating low diversity. The homogeneity index ranged from 0.14 to 0.79, indicating the low to high category. The dominance index was about 0.17 to 0.86, showing the variety water condition. A species, Donax sp. (Bivalva) was most dominant in Zone D (St D4) The parameters of water qualitying Jakarta Bay might be in general to support the life of macrozoobenthos.

STRUKTUR KOMUNITAS MAKROZOOBENTOS DI SUNGAI PAKIL KABUPATEN BANGKA

2018 ◽  
Vol 12 (2) ◽  
pp. 54-63
Author(s):  
Desinawati Desinawati ◽  
Wahyu Adi ◽  
Eva Utami
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
Current Velocity ◽  
Diversity Index ◽  
Mining Activities ◽  
Dominance Index ◽  
Sand Fraction ◽  
Effect Of Water ◽  
Low Diversity ◽  
Macrozoobenthic Community

Pakil River which is located in Paya Benua Village, West Mendo District, Bangka Regency. This river has an impact from mining activities which then affect the macrozoobenthos community. The purpose of this study was to determine the macrozoobenthic community structure in the Pakil River and determine the effect of water quality on macrozoobenthos in the Pakil River. The study was conducted in April 2018 in the waters of the Pakil River, Paya Benua Village, West Mendo District, Bangka Regency. The macrozoobentos sample was taken purposively at 6 observation stations. The results showed that 4 species of macrozoobenthos. With a diversity index of 0.9195 in the category of low diversity, uniformity index of 0.663 was classified as stable and the dominance index of 0.4425 was in the medium category. The effect of TSS parameters and depth greatly affect the life of the macrozoobenthos, while the ones that have sufficient influence are the parameters of current velocity and DO, then those that have no effect are the parameters of pH, temperature and sand fraction.

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 Komposisi dan Kelimpahan Ophiuroidea dan Echinoidea di Perairan Pantai Pok Tunggal, Gunung Kidul, Yogyakarta

2020 ◽  
Vol 9 (2) ◽  
pp. 109-118
Author(s):  
Herlina Lestari Pakpahan ◽  
Irwani Irwani ◽  
Ita Widowati
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
Data Analysis ◽  
Coral Reefs ◽  
Environmental Conditions ◽  
Diversity Index ◽  
Species Abundance ◽  
Temperature Data ◽  
Dominance Index ◽  
Index Value

ABSTRAK: Echinodermata merupakan salah satu komponen penting dalam keaneka ragaman fauna di ekosistem pantai. Habitat utama echinodermata adalah terumbu karang, hal ini karena terumbu karang berperan sebagai tempat berlindung dan mencari makan bagi fauna echinodermata. Salah satu penyebaran biota ini adalah di perairan rataan terumbu karang pantai selatan di pantai Pok Tunggal, Gunung Kidul, Yogyakarta. Tujuan penelitian ini adalah untuk mengetahui jenis dan struktur komunitas echinodermata di pantai Pok Tunggal,  kabupaten Gunung Kidul, Yogyakarta. Penelitian ini dilaksanakan pada bulan Juli 2019 di pantai Pok Tunggal. Metode pengambilan data kelimpahan menggunakan metode transek kuadrat berukuran 1x1 m, parameter kualitas perairan yang diukur adalah salinitas, DO, pH, serta suhu. Analisis  data meliputi identifikasi spesies, kelimpahan jenis (ind/m2), indeks keanekaragaman, indeks keseragaman dan indeks dominansi. Hasil pengamatan ditemukan beberapa spesies, dari 2 kelas filum echinodermata, antara lain 2 species dari kelas Ophiuroidea yaitu Ophiocoma erinaceus dan Ophiocoma dentata, 3 species dari kelas Echinoidea yaitu Echinometra oblonga, Echinometra mathei dan Echinothrix diadema. Hasil penelitian menunjukkan kelimpahan individu tertinggi adalah Echinometra oblonga (16,6 ind/m2) dan terendah adalah Echinothrix diadema (0,4 ind/m2). Parameter lingkungan perairan di pantai Pok Tunggal pada setiap stasiun masih menunjang kehidupan Echinodermata. Struktur komunitas echinodermata yaitu nilai indeks keanekaragaman (H‟) berkisar antara 0,667-1,198, nilai indeks keseragaman (E) berkisar antara 0,744 - 0,999 dan nilai indeks dominansi (C) berkisar berkisar 0,308 - 0,525. ABSTRACT: Echinoderms are one of important component of fauna diversity in coastal ecosystems. The main habitat of Echinoderms is coral reefs, because coral reefs act as a shelter and food for echinoderms fauna. This species distributed in the flat waters of the coral reefs of the south coast at Pok Tunggal beach, Gunung Kidul, Yogyakarta. The aim of this study was to determine the species and Community Structure of echinoderms on the Pok Tunggal beach, Gunung Kidul Regency, Yogyakarta. This research was conducted in July 2018 at Pok Tunggal Beach. Sampling was done by using transect quadrant measuring 1x1 m. Parameter of water quality was salinity, DO, pH, and temperature. Data analysis includes species abundance (ind/m2), diversity index, uniformity index and dominance index. The result showed that several species of Echinodermal phylum classes, including 2 species of Ophiuroidea class namely Ophiocoma erinaceus and Ophiocoma dentata, 3 species of Echinoidea class namely Echinometra oblonga, Echinometra mathei and Echinothrix diadema. The highest individual abundance was Echinometra oblonga (16,6 ind/m2) and the lowest was Echinothrix diadema (0,4 ind/m2). The environmental conditions of the waters at the Pok Tunggal beach at each station can support the life of echinoderms. Echinoderms community structure, namely diversity index (H ') ranges from 0,667-1,198, uniformity index (E) ranges from 0,744-0,999 and dominance index value ranges (C) ranges from 0,308-0,525.

scholarly journals Epiphytic microalgae community as aquatic bioindicator in Brantas River, East Java, Indonesia

2021 ◽  
Vol 22 (7) ◽  
Author(s):  
Sulastri Arsad ◽  
Khabib Taufiq Putra ◽  
Nurul Latifah ◽  
Miftahul Khair Kadim ◽  
Muhammad Musa
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
Diversity Index ◽  
Sampling Technique ◽  
Biological Indicators ◽  
Quality Standard ◽  
Quality Parameters ◽  
Saprobic Index ◽  
Periphyton Community

Abstract. Arsad S, Putra KT, Latifah N, Kadim MK, Musa M. 2021. Epiphytic microalgae community as aquatic bioindicator in Brantas River, East Java, Indonesia. Biodiversitas 22: 2961-2971. One way to monitor water quality is by using biological indicators, namely epiphytic microalgae (periphyton). This study aims to analyze the epiphytic periphyton community structure and analyze the river health status using a saprobic index. The research location was in the Brantas River, Blitar District, East Java, Indonesia. The method used was a survey with sampling at three sites based on the purposive sampling technique. Periphyton samples were taken using the quadrant transect (5x5 cm²) method and then identified using the Lackey Drop Micro transect Counting Method. The results show that the periphyton community structure is in balance, and there are six divisions of 59 different genera. The six divisions found are Bacillariophyta, Cyanophyta, Chlorophyta, Charophyta, Ochrophyta, and Rhodophyta. The most identified genus is from the Bacillariophyta Division with 28 genera, while the least identified genus is the Rhodophyta division with 1 genus. The abundance ??ranges from 242,800-1,229,174 cells. cm-2, the relative abundance index ??of periphyton ranges from 3-60% (site 1), 9-57% (site 2), 1-62% (site 3), the diversity index ranges from 1.212-2.617 (moderate), the uniformity index ranges from 0.307-2.151 (high), the dominance index ranges from 0.105-0.549 (moderate), and the saprobic index ranges from-0.18 to 0.55. Moreover, supporting water quality parameters are still optimal, except for ammonia and total organic matter parameters that exceed the quality standard. Based on the saprobic value obtained, the water quality of the Brantas River in Tawangrejo Village can be classified into the category of ?/?-mesosaprobic to ?-mesosaprobic saprobic levels with mild to moderate levels of pollution.

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.

Sign in / Sign up

Export Citation Format

Share Document