KEANEKARAGAMAN IKAN DI SUNGAI SULUP KECAMATAN RIMBO PENGADANG KABUPATEN LEBONG PROVINSI BENGKULU

This study aims to determine the diversity of fish species in Sulup River, Rimbo Pengadang District, Lebong Regency, Bengkulu. The Research was conducted from in April-May 2020. The method used in this study is a direct survey method. The sampling method used is purposive sampling by dividing the research station into 3 stations based on river conditions. The types of fish found in the Sulup River Rimbo Pangadang District Lebong Regency Bengkulu Province were found as many as 4 orders, 4 families with 8 species namely species Mystus singaringan, Angullia marmorata, Osteochilus vittatus, Hampala macrolepidota, Barbonymus gonionotus, Schismatorhynchos heterorhynchos, Rasbora argyrotaenia and Mastacembelus armatus. The ecological conditions in the Sulup river have a temperature of 230C, a depth of 1.5 m, 45 cm river clarity, water pH 7, flow velocity 0.66 m/sec. Sulup River has a diversity index of 0.840, so the diversity index is low.

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ANALISIS KUALITAS PERAIRAN BERDASARKAN KOMPOSISI DAN KELIMPAHAN FITOPLANKTON DI SUNGAI LANANGAN, KLATEN

Management of Aquatic Resources Journal (MAQUARES) ◽

10.14710/marj.v7i3.22549 ◽

2018 ◽

Vol 7 (3) ◽

pp. 253-262

Author(s):

Faudzi Ath Tho Azzam ◽

Niniek Widyorini ◽

Bambang Sulardiono

Keyword(s):

Sampling Method ◽

Phytoplankton Community ◽

Diversity Index ◽

Animal Husbandry ◽

Open Water ◽

Survey Method ◽

Purposive Sampling ◽

Freshwater Aquaculture ◽

Range Of Values

Sungai Lanangan merupakan bagian hulu Sungai Bengawan Solo yang terletak di Desa Daleman, Kecamatan Tulung, Kabupaten Klaten. Jenis limbah seperti limbah domestik, industri, pertanian, perikanan dan peternakan telah mencemari Sungai Lanangan. Limbah organik dari industri tepung aren dan mie soun yang dibuang di Sungai Lanangan mencapai 50 ton limbah per hari. Hal tersebut menyebabkan perubahan kualitas air dan komposisi fitoplankton di Sungai Lanangan.Penelitian ini dilakukan dari bulan Januari - Februari 2018 di Sungai Lanangan. Tujuan dari penelitian ini adalah untuk mengetahui kelimpahan dan komposisifitoplankton serta mengetahui kualitas perairan berdasarkan struktur komunitas fitoplankton di Sungai Lanangan tersebut. Penelitian ini menggunakan metode survei denganpengambilan sampel menggunakan metode purposive sampling. Frekuensi pengambilan sampel dilakukan setiap 1 minggu sekali selama 3 minggu. Sampel diambil dari 3 stasiun, dimana stasiun 1 dengan karakteristik perairan terbuka; Stasiun 2 dengan karakteristik dekat industri pengolahan tepung aren; dan stasiun 3 dengan karakteristik dekat dengan daerah budidaya air tawar.Hasil penelitian didapatkan 11 genera fitoplankton yaitu dari kelas Bacillariophyceae (4 genera), Cyanophyceae (2 genera), Chrysophyceae (1 genus), Ulvophyceae (2 genera), Zygnematophyceae (1 genus) dan Chlorophyceae (1 genus). Kelimpahan rata-rata fitoplankton tertinggi terdapat pada stasiun 2 dengan kelimpahan 1.989 ind/l yang didominasi oleh genus Oscillatoria. Indeks keanekaragaman rata-rata pada setiap stasiun adalah 1,68 pada stasiun 1; 1,63 pada stasiun 2; dan 1,52 pada stasiun 3. Dari hasil indeks keanekaragaman yang didapatkan tersebut menunjukkan kisaran nilai antara 1,52 hingga 1,68 yang berarti bahwa kualitas perairan Sungai Lanangan tercemar ringan. Lanangan river is one upstream of Bengawan Solo river which located at Daleman, Tulung, Klaten. types of waste such as domestic waste, industrial waste, agriculture, fishery and animal husbandry polluted Lanangan river. Especially organic waste from palm starch and soun noodle industry that are dumped in the Lanangan river reaches 50 tonnes waste per day. This research was conducted from January to February 2018 in the Lanangan river. The purpose of this research is to find out the abundance and composition of phytoplankton; and to determine the water qualitybased on the structure of the phytoplankton community in Lanangan river. This research uses survey method and use purposive sampling method. The Frequency of sampling is done once a week for 3 week. The samples taken from 3 stations, where station 1 is open water; Station 2 is near palm starch and soun noodle industry; and station 3 is close to freshwater aquaculture area.The resultsof the research found 11 genus of phytoplankton in class Bacillariophyceae, Cyanophyceae, Chrysophyceae, Ulvophyceae, Zygnematophyceae and Chlorophyceae. The highest average of phytoplankton abundance found in station 2 with 1,989 ind/l which is dominated by the genus of Oscillatoria. The average diversity index each station is 1.68 at station 1; 1.63 at station 2; and 1.52 at station 3. From the results obtained the diversity index indicates the range of values between 1.52 to 1.68 which show that the water quality of Lanangan River is lightly to moderate polluted.

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STUDY ON MACROZOOBENTHOS COMMUNITY IN THE WATERS OF THE RIVER AIR PERIKAN MUNICIPALITY OF PAGAR ALAM SOUTH SUMATRA

BIOVALENTIA Biological Research Journal ◽

10.24233/biov.3.2.2017.73 ◽

2017 ◽

Vol 3 (2) ◽

Author(s):

Rafles Tampubolon ◽

Zazili Hanafiah ◽

Endri Junaidi

Keyword(s):

Species Composition ◽

Sampling Method ◽

Diversity Index ◽

Similarity Index ◽

Survey Method ◽

Research Station ◽

Sampling Station ◽

Sampling Point ◽

Leaf Pack ◽

Index Value

The research entitled “ Study on Macrozoobenthos Community in the Waters of the River Air Perikan Pagar Alam Municipality”, was conducted from November 2007 until March 2008. The aims of the research: to know about composition, density, diversity index, dominancy index, and similarity index, which based on the different microhabitat types. Sampling was carried out on November 2007. Five sampling stations were determined by survey method and the Purposive Sampling method was used at each sampling point to find stony, gravel, sandy and leaf pack area as a different microhabitat substrate. Twenty one orders (Ephemeroptera, Trichoptera, Diptera, Plecoptera, Collembola, Hemiptera, Odonata, Coleoptera, Lepidoptera, Megaloptera, Hymenoptera, Orthoptera, Decapoda, Plesiopora, Tricladida, Amphipoda, Isopoda, Mesogastropoda, Ctenobranchiata, Eulamellibranchiata, and Rhynchobdellida) which are consisted of 70 families and 151 genera were identified from four types of substrates on each sampling station. According to this research, station 4 has the highest in composition (80 genera), and the lowest one at station 1(33 genera). The highest abundance was 12589 ind./m2 found in the station 5, and the lowest one was in the station 1 approximately 880 ind./m2. For the diversity index value, station 3 was the highest (3.1) and the lowest one was station 5 (1.9). The Dominancy index was found in station 5 at the sandy substrates was approximately 0,8 index, which dominated by Tubifex sp. There were differences species composition on each station. Keywords : Macrozoobenthos, community, the river Air Perikan.

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Komposisi dan Struktur Komunitas Zooplankton di Danau Diatas, Sumatera Barat

Bioeksperimen Jurnal Penelitian Biologi ◽

10.23917/bioeksperimen.v4i2.6880 ◽

2018 ◽

Vol 4 (2) ◽

pp. 10-15

Author(s):

Sulis Setiawati ◽

Izmiarti Izmiarti ◽

Nofrita Nofrita

Keyword(s):

Community Structure ◽

Sampling Method ◽

Diversity Index ◽

Similarity Index ◽

Population Diversity ◽

Research Station ◽

Zooplankton Species ◽

Purposive Sampling ◽

Composition And Structure

Penelitian tentang komposisi dan struktur komunitas zooplankton pada di Danau Diatas, Solok Sumatera Barat telah dilakukan pada bulan April sampai September 2016. Penelitian ini bertujuan untuk mengetahui komposisi dan struktur komunitas zooplankton di Danau Diatas kabupaten Solok, Sumatera Barat. Penelitian ini menggunakan metoda Purposive Sampling di empat stasiun. Sampel Zooplankton diambil menggunakan pompa air Alkon dan planktonnet. Zooplankton yang didapatkan 44 spesies dengan komposisi Protozoa 5 spesies, Rotifera 22 spesies, Cladocera 13 spesies, dan Copepoda 4 spesies. Kepadatan total 20683,58 ind/l. indeks diversitas di Danau Diatas yaitu berkisar 1,043 -1,45. Indeks equitabilitas berkisar 0,31-0,54. Berdasarkan strata indeks equitabilitas berkisar 0,42-0,52, dan komunitas antar stasiun relatif seragam dengan indeks similaritas 53,06-61,53%. Study of composition and community structure zooplankton of Diatas Lake, Solok District, West Sumatera, from April until September 2016. The purpose of this research was to know the composition and structure of zooplankton. The research was conducted by using Purposive Sampling method with four research station. the samples by using water pomp machine and plankton net. The result showed that zooplankton it was found 44 zooplankton species with composition of Protozoa 5 species, 22 species of Rotifers, 13 species of Cladocera, and 4 species Copepods. The population diversity average 1723,6 ind/l. diversity index (H’) ranged from 1,04 – 1,45, Equitability index (E) ranged from 0,31-0,54, Sorensen Similarity index ranged from 53,06 – 61,53 %.

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Dampak Pengalihan Lahan Mangrove Terhadap Keanekaragaman Benthos di Kecamatan Jaya Baru Kota Banda Aceh

BIOTIK: Jurnal Ilmiah Biologi Teknologi dan Kependidikan ◽

10.22373/biotik.v4i1.1069 ◽

2017 ◽

Vol 4 (1) ◽

pp. 41 ◽

Cited By ~ 1

Author(s):

Fitria Ulfa ◽

Muhammad Ali Sarong ◽

Abdullah Abdullah

Keyword(s):

Direct Observation ◽

Sampling Method ◽

Diversity Index ◽

Mangrove Ecosystem ◽

Survey Method ◽

Purposive Sampling ◽

Land Transfer ◽

Awareness Raising ◽

The Impact ◽

Banda Aceh

This study aims to determine the impact of the land transfer to the diversity of mangrove benthos in the district of Banda Aceh Jaya Baru. This research was conducted in September-November 2014 in an area of mangrove Jaya Baru sub-district of Banda Aceh. The method used survey method or direct observation. Stations were divided into four stations using purposive sampling method on the basis of the existence of mangrove. Benthos diversity analyzed by formula diversity index, while the impact of the transfer was analyzed with the description. The results obtained by analysis of benthos diversity on land that has been reclaimed 1.18 and on land that is not reclaimed 1,17. The conclusion is the diversity of benthos was proving that the land transfer mangrove in the district of Banda Aceh Jaya Baru impact on the benthos diversity that needs to be disseminated and awareness-raising so that the mangrove ecosystem is maintained.

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Makrozoobenthos Gastropoda pada Vegetasi Mangrove di Pesisir Utara, Semarang

BULETIN OSEANOGRAFI MARINA ◽

10.14710/buloma.v8i1.22453 ◽

2019 ◽

Vol 8 (1) ◽

pp. 37

Author(s):

Haryo Farras Raditya Hutama ◽

Retno Hartati ◽

Ali Djunaedi

Keyword(s):

Community Structure ◽

Sampling Method ◽

Diversity Index ◽

Secondary Data ◽

Mangrove Ecosystem ◽

Sampling Location ◽

Research Station ◽

Purposive Sampling ◽

Data Density ◽

Index Value

Kerusakan hutan mangrove yang terjadi karena adanya aktivitas manusia cukup mengkhawatirkan dan berpengaruh terhadap kelangsungan hidup biota yang hidup didalamnya, salah satunya adalah Gastropoda. Penelitian ini dilakukan untuk mengetahui komposisi jenis makrozoobenthos gastropoda dan menganalisa struktur komunitasnya. Pengambilan sampel dilaksanakan pada bulan Maret 2015 di 4 lokasi yakni Mangunharjo, Mangkang Wetan, Pantai Maron dan Trimulyo, Semarang. Penentuan lokasi sampling dengan metode purposive sampling method terbagi dari kelebatan mangrove lebat, sedang dan jarang pada setiap lokasi penelitian dengan pertimbangan pengaruh aliran sungai terhadap parameter disetiap stasiunnya.Klasifikasi kelebatan mangrove berdasarkan data sekunder kerapatan mangrove Pesisir Utara Semarang 2015. Pengambilan sampel gastropoda menggunakan metode kualitatif dengan transek 5m x 5m dan 1m x 1m dengan jumlah stasiun sebanyak 8 dan 3 kali pengulangan pada setiap stasiunnya. Hasil penelitian ditemukan 8 jenis spesies yang terdiri dari 4 famili yang berbeda.Famili Potamididae paling banyak ditemukan dengan jumlah 4 spesies. Ditemukan satu spesies Famili Neriitidae yakni Nerita sp. serta satu spesies Famili Ellobiidae yakni Cassidula sp.. Kelimpahan tertinggi terdapat pada Stasiun MR1 (25.667 ind./75m2) dan terendah distasiun MW3 (0.107 ind./75m2). Nilai Indeks Keanekaragaman masuk dalam kategori sedang, sedangkan nilai indeks keseragaman dalam kategori tinggi.Dalam penelitian ini menemukan spesies yang mendominasi pada 2 stasiun yaitu Stasiun MW1 dan MR1. The damage of the mangrove ecosystem which occur due to human activity is quite alarming and effect on the survival of biota that lived in it, one which is Gastropods. This research was conducted to find out the composition of macrozoobenthos gastropods and analyze its community structure. Sampling did on March 2015 at 4 locations, i.e., Mangunharjo, Mangkang Wetan, Maron and Trimulyo, Semarang. This study was conducted to determine and identify the community structure of gastropod macrozoobenthos in mangrove vegetation on the coast of Semarang The determination of sampling location use purposive sampling method that divide the dense mangrove luxuriance, moderate and rarely at location research. The dense mangrove classification based on secondary data from the landsat image of 8 and the data density of mangrove North Coastal Semarang 2015. Sampling use qualitative method with 5 m x 5 m transects and 12 stations with three-time repetitions for each stations. The results found gastropods 8 types of species comprising in 4 different families. Potamididae family is the most dominant where found 4 species. One species of Neriitidae family is found which Nerita sp. and one species of the Ellobidae family is also found, which Cassidula sp.. The highest abundance was found on Station MR1 (25.667 ind./75m2) and the lowest in station MW3 (0.107 ind./75m2). The value of the Diversity Index can be category as average while the Equitability Index value is high. In this study, found there is 2 dominance species on the whole research station, one at MW1 and the other at MR1.

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INVENTARISASI JENIS DAN STRUKTUR EKOLOGI ZOOPLANKTON DI SUNGAI MUSI BAGIAN HILIR, SUMATERA SELATAN

Jurnal Penelitian Perikanan Indonesia ◽

10.15578/jppi.14.3.2008.263-271 ◽

2017 ◽

Vol 14 (3) ◽

pp. 263

Author(s):

Eko Prianto ◽

Husnah Husnah ◽

Siti Nurul Aida

Keyword(s):

Sampling Method ◽

Field Survey ◽

Diversity Index ◽

Similarity Index ◽

Survey Method ◽

Zooplankton Species ◽

Dominance Index ◽

Purposive Sampling ◽

The Difference ◽

Set Up

Penelitian yang bertujuan untuk mengetahui struktur komunitas zooplankton di Sungai Musi bagian hilir telah dilakukan pada bulan Mei, September, dan Januari 2007. Penelitian dilaksanakan dengan menggunakan metode survei pada 9 lokasi. Pemilihan lokasi pengambilan contoh dengan menggunakan purposive sampling didasarkan pada mikrohabitat. Contoh zooplankton diambil dengan menggunakan ember 10 l dan total volume yang disaring dengan plankton net 150 l. Parameter yang diukur meliputi kelimpahan, komposisi jenis, keragaman, keseragaman, dan indeks dominasi zooplankton. Hasil analisis jumlah spesies zooplankton yang tertinggi dijumpai pada bulan September dan terendah pada bulan Mei. Indeks keragaman dan kelimpahan zooplankton pada Mei 2006 dan Januari 2007 berkisar antara 0 sampai dengan 2,2 dan 0,8 sampai dengan 21x103 ind.m-3. Indeks keseragaman bervariasi. Nilai yang tertinggi diperoleh pada bulan Januari (0,8 sampai dengan 1), sedangkan bulan Mei dan September 2006. Pada September dan Mei lebih bervariasi dengan kisaran nilai masing-masing 0,6 sampai dengan 1 dan 0,6 sampai dengan 0,9. Selanjutnya untuk dominasi jenis, terdapat 2 stasiun yaitu Sebokor (bulan Mei) dan Selat Cemara (bulan September), yang didominasi 1 jenis zooplankton. Research with aiming to know the community structure of zooplankton at the down stream of Musi Rivers was conducted in May and September 2006, and January 2007. The work was done with field survey method at nine sampling sites, that were set up by using purposive sampling method based on the difference an microhabitat. Samples for zooplankton were collected by using 10 l bucket to sample a total of 150 l of water, and the total volume of wals filtered by using plankton net. Parameters measured include the abundance, spesies composition, diversity, similarity, and dominance index of zooplankton. Results show that the highest number of zooplankton species was found in September while the lowest one was recorded in May. The diversity index and abundance zooplankton in May 2006 and January 2007 were between 0 until 2.2, and 0.8 until 21x103 ind.m-3, respectively. The similarity index varied. The highest value was recorded in january (0.8 until 1) while in may and september 2006 were 0.6 until 1 and 0.6 until 0.9, respectively. Zooplankton was dominanted sebokor and cemara sampling sites.

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Struktur Komunitas Fitoplankton di Kolam Bekas Pertambangan Batubara Desa Kampung Baru Kecamatan Cempaka

BIOSCIENTIAE ◽

10.20527/b.v17i2.3451 ◽

2021 ◽

Vol 17 (2) ◽

pp. 37

Author(s):

Sukoco Sukoco ◽

Gunawan Gunawan ◽

Muhamat Muhamat

Keyword(s):

Community Structure ◽

Coal Mining ◽

Sampling Method ◽

Diversity Index ◽

Pool Analysis ◽

Fertility Rate ◽

The State ◽

Purposive Sampling ◽

Phytoplankton Communities ◽

Average Abundance

This study aims to determine the structure of phytoplankton communities in the pool are former coal mining Desa Kampung Baru Kecamatan Cempaka which include abundance, diversity, uniformity and dominance. Phytoplankton samples taken in two pools with a purposive sampling method with a three-point shooting at each pond. Sampling was performed three times. Phylum of phytoplankton were identified in both pools as much as 2 phylum (Chloropyta and Chrysopita) with 17 genera. Average abundance of phytoplankton in the first pool of 7174 ind / liter and 6873 ind / liter in the second pool. The average diversity index of phytoplankton in the first pool of 1.540 and 1.621 in the second pool. Average uniformity index of phytoplankton in the first pool of 0622 and 0.623 in the second pool. The average index of phytoplankton dominance in the first pool of 0271 and 0250 in the second pool. Analysis of community structure (abundance, diversity, uniformity and dominance) shows the condition of the two ponds in the state is quite stable and capable of supporting life inside the phytoplankton. Where the pool in the fertility rate is the level of contamination is, the conditions included in the category of individuals spread more evenly and there are no species that dominate other species in the extreme.

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

Asian Journal of Fisheries and Aquatic Research ◽

10.9734/ajfar/2021/v15i530341 ◽

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.

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ANALISIS PERSEPSI PETANI PETERNAK TERHADAP PERAN PENYULUHAN DALAM PENGEMBANGAN AGRIBISNIS PETERNAKAN BABI DI DESA GIWAN KECAMATAN TIOM KABUPATEN LANNY JAYA

ZOOTEC ◽

10.35792/zot.39.2.2019.25256 ◽

2019 ◽

Vol 39 (2) ◽

pp. 302

Author(s):

Elinde Yoman ◽

M T Massie ◽

R E.M.F Osak ◽

J Pandey

Keyword(s):

Random Sampling ◽

Sampling Method ◽

Simple Random Sampling ◽

Agricultural Extension ◽

Survey Method ◽

Extension Agents ◽

Purposive Sampling ◽

Pig Farming ◽

Pig Farm

ANALYSIS OF FARMERS' PERCEPTIONS TOWARD THE ROLE OF COUNSELING IN THE DEVELOPMENT OF PIG FARMING ON AGRIBUSINESS IN GIWAN VILLAGE, TIOM DISTRICT, LANNY JAYA REGENCY. The objective of this study was to determine farmer’s perceptons toward the role of agricultural extension agents in the development of pig livestock agribusiness for breeder’s in Giwan Village, Tiom District, Lanny Jaya Regency. This study used a survey method. Sample of group breeder wasdetermined by purposive sampling and sample of breeders was selected by simple random sampling method. The results of the study showed that: (1) Most pig farmers in Giwan village had good or high perceptions of extension workers in their roles as educators (80%), still have moderate as consultants (75%), as motivators (75%), and as organizers (80%) of farmers in providing counseling in Giwan village. The conclusion of this research was farmers in Giwan village have good perceptions of extension workers in their roles as educators, motivators, and as organizers of farmers in managing pigs' business.Keywords: Agribusiness, Pig Farm, Extension, Giwan.

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Giresun İlinde Balık Tüketiminin Araştırılması

Turkish Journal of Agriculture - Food Science and Technology ◽

10.24925/turjaf.v4i8.712-718.773 ◽

2016 ◽

Vol 4 (8) ◽

pp. 712

Author(s):

Mustafa Türkmen ◽

Aysun Türkmen ◽

Köksal Duran

Keyword(s):

Fish Species ◽

Fish Consumption ◽

Random Sampling ◽

Sampling Method ◽

Consumption Rate ◽

Education Level ◽

Survey Method ◽

Face To Face ◽

Fish Meat ◽

Meat Type

This study aimed to investigate the fish consumption in Giresun by survey method. Fish meat was compared with other meat types according to education, level of income, consumption rate and quantity. In research carried out according to the random sampling method. Questions were asked face to face a total of 433 persons. A total 428 participants (98.9%) stated that they consumed fish. However, the most consumed meat type is chicken, second is fish. A total 91% participant preferred marine fish. The most consumed fish species is anchovy with 34%. Fish consumption per person in Giresun is above Turkey’s average with 12.34 kg/year.

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