scholarly journals POPULATION DENSITY AND DISTRIBUTION PATTERNS OF KALAMBODO MUSSEL (Anodonta woodiana) IN THE SUB WATERSHED OF LAHOMBUTI RIVER, LAHOTUTU VILLAGE, KONAWE DISTRICT SOUTH EAST SULAWESI

AQUASAINS ◽  
2017 ◽  
Vol 8 (1) ◽  
pp. 759
Author(s):  
Muhammad Fajar Purnama ◽  
Abdullah Abdullah ◽  
Alfi Kusuma Admaja ◽  
La Ode Alirman Afu
Keyword(s):  
Population Density ◽  
Random Sampling ◽  
Sampling Method ◽  
Rice Field ◽  
Distribution Patterns ◽  
Average Density ◽  
Sampling Location ◽  
Channel Diameter ◽  
Irrigation Channel ◽  
Anodonta Woodiana

Abstrak The research was conducted in November 2018 - February 2019 in the Sub-watershed of the Lahombuti River in Lahotutu Village, Konawe Regency. The purpose of this study was to determine aspects of population density and distribution patterns of the Kalambodo (A. woodiana) in the Sub watershed of the Lahombuti tributary in Lahotutu Village, Wonggeduku District, Konawe Regency. The sampling location was determined using the purposive random sampling method. Sampling of Kalambodo (A. woodiana) was carried out at the location with the greatest abundance of A. woodiana, in the Sub watershed of the Lahombuti tributary of Lahotutu Village, on the "Main Rice Field Irrigation Channel" (diameter: ± 1,75 m, length: ± 4500 m, depth: ± 110 cm). Sampling of A. Woodiana was carried out at the same station with different spot sampling points. The Kalambodo samples were taken using a 1x1 m2 sized transect on 3 randomly assigned plots. The range of A. woodiana density per sub station is November 2018 amounting to 67-95 ind/m2, December 2018 is 41-61 ind/m2, January 2019 is 41-148 ind/m2 and February 2019 is 101- 114 ind/m2. The average density based on the period from the highest to the lowest is obtained in February 2019, January 2019, November 2018, and December 2018, which is 106.67 ind/m2, 81.33 ind/m2, 78 ind/m2, and 53 ind/m2, respectively. The distribution pattern of A. woodiana in the Sub-watershed of the Lahombuti River Basin generally shows a uniform category (Id <1), with a range of morisitha index values of 0.65-0.87.

scholarly journals An inventory of Tortoise Beetles (Cassidinae) in Post Harvest Rice Field Ecosystem Area, Serdang Menang Village, Sirah Pulau Padang Sub-District.

2018 ◽  
Author(s):  
Ari Sugiarto
Keyword(s):  
Sampling Method ◽  
Rice Field ◽  
Sampling Location ◽  
Post Harvest ◽  
Major Threat ◽  
Field Ecosystem

Abstract Diversity of plants species in post harvest rice field ecosystem area tends to be higher compared to before harvest. Tortoise beetles can be a threat to plants species that exist in rice field ecosystem area. Serdang Menang Village has a fairly extensive rice field ecosystem area. An inventory of tortoise beetles in rice field ecosystem area, Serdang Menang Village will be very helpful in potential estimating of tortoise beetles to plants that exist in rice field ecosystem area, Serdang Menang Village. Determination of this sampling location was done randomly in post harvest rice field ecosystem area, Serdang Menang Village. The sampling method uses small insecting net and hand picking methods. Species of tortoise beetles found were 5 species (Aspidomorpha miliaris, Cassida subreticulata, Cassida circumdata, Cassida sp., dan Doloyala sp.) of a total 3 genera. Cassida circumdata and Aspidomorpha miliaris is tortoise beetles species that easiest to be found in this rice field ecosystem area which indicates that population is more than any species of tortoise beetles found. Cassida circumdata and Aspidomorpha miliaris can be major threat in rice field ecosystem area compared any species of tortoise beetles that found because a population is estimated to be more.

scholarly journals INVENTARISASI, DISTRIBUSI, DAN POLA PENYEBARAN Rhododendron EPIFIT DI KEBUN RAYA EKA KARYA BALI

2020 ◽  
Vol 23 (1) ◽  
pp. 59-68
Author(s):  
Tri Warseno ◽  
Rajif Iryadi ◽  
Dyan Meiningsasi Siswoyo Putri
Keyword(s):  
Light Intensity ◽  
Host Species ◽  
Random Sampling ◽  
Sampling Method ◽  
Distribution Patterns ◽  
Substrate Thickness ◽  
Botanic Gardens ◽  
Host Trees ◽  
Bischofia Javanica

Epiphytic Rhododendrons is an important component in an ecosystem, but there is not much information and studies related to its ecology. This research aims to inventory and study the distribution and distribution patterns of Rhododendron populations that grow naturally in Eka Karya Botanic Gardens Bali (KREK). Random sampling method was employed to census the host trees especially old ones (more than 20 years) that overgrown with Rhododendrons. The results showed that there is one species of epiphytic Rhododendron identified in the KREK, namely Rhododendron javanicum. It is found typically in thin substrate thickness with moderate light intensity, mostly in zone III and IV. There were five host species, namely Bischofia javanica Blume, Dacrycarpus imbricatus (Blume) de Laub., Glochidion rubrum Blume, Prunus sp., and Syzygium polyanthum (Wight) Walp. with a total number of 31 trees. The results of this study would provide considerations for KREK managers to conserve, develop and utilize policies of epiphytic Rhododendron species.

scholarly journals The Species of Rice Bug (Leptocorisa oratorius Fabricius) Egg Parasitoids in Rice Field in West Sumatera, Indonesia

2020 ◽  
Vol 4 (1) ◽  
pp. 76-85
Author(s):  
Fri Maulina ◽  
Novri Nelly ◽  
Hidrayani Hidrayani ◽  
Hasmiandy Hamid
Keyword(s):  
Random Sampling ◽  
Rice Field ◽  
Diversity Index ◽  
Egg Parasitoid ◽  
Sampling Location ◽  
Transect Line ◽  
Sampling Locations ◽  
West Sumatra ◽  
Rice Bug ◽  
Leptocorisa Oratorius

The species of egg parasitoid in rice bug is necessary to know to be used as biological agent in the field. The research aimed to determine spesies of parasitoid, diversity index, parasitization level and parasitoid mortality which found in rice bug eggs in rice fields in West Sumatra. Purposive random sampling was used in this research for determining the sampling locations. Collecting eggs sampling was conducted for 1 km along transect line in sampling location. The collected eggs of 12 sampling locations then observed and identified in Laboratory of Insect Bioecology, Faculty of Agriculture, Andalas University. The result showed that the kind of egg parasitoid  found in the field were Hadronotus leptocorisae  and  Ooencyrtus malayensis with each parasitization level were 22.3 ± 11.1 %  and 4.2 ± 5.3 %, each the mortality were 57.8 ± 26.4% and 30.6 ± 37%, the diversity of egg parasitoid was low with the index 0.3858 Based on Shannon-Wienner.

scholarly journals Diversity, Distribution Pattern, Morphometric of Box Mussel Septifer bilocularis (Linnaeus, 1758) on the Reef Flat in Cape Lampangi, South Minahasa

2014 ◽  
Vol 2 (1) ◽  
pp. 8 ◽  
Author(s):  
Grace Mustamu ◽  
Lawrence J. L Lumingas ◽  
Anneke V. Lohoo
Keyword(s):  
Intertidal Zone ◽  
Reef Flat ◽  
Sampling Method ◽  
Distribution Patterns ◽  
Average Density ◽  
Suspension Feeder ◽  
Total Weight ◽  
Dead Coral ◽  
Weight Index ◽  
Maximum Shell Length

Septifer bilocularis (Linnaeus, 1758) is a suspension feeder organisms which are found live clustered on dead coral . This study aims to estimate the average density, analyzes the distribution patterns and analyze morphometric aspects of a long-high (thick) relation, length-total weight relation and length-weight index without shell  relation of S. bilocularis at that location. Sampling method using transect squares method, with the length of each line is 50m, on each transect placed 10 squares (measuring 1m x 1m). Based on the data analysis of the average density in both transect was 214 individuals with a clustered deployment pattern, with a maximum shell length of 29,64mm. The relation between length and high of shell shows that the growth is allometri negative, length and total weight shell relationships is allometri negative, where the contents of the weight index does not increase with increasing length but declined. Box mussel Septifier bilocularis live clustered with very dense aggregations in intertidal reef flat area on the intertidal zone are exposed at the lowest tide at Cape Lampangi.   Keywords : box mussel, morphometric, Cape Lampangi, South Minahasa   ABSTRAK Septifer bilocularis (Linnaeus, 1758) merupakan organisme pemakan suspensi yang banyak ditemukan hidup secara mengelompok pada rataan terumbu karang mati. Penelitian ini bertujuan untuk menduga kepadatan rata-rata, menganalisis indeks dispersi atau pola sebaran dan menganalisis aspek morfometrik berupa hubungan panjang-tinggi (tebal), panjang-berat dan panjang-indeks berat tubuh tanpa cangkang dari S. bilocularis di lokasi tersebut. Pengambilan sampel menggunakan metode transek kuadrat, dengan panjang setiap garis 50 meter, pada masing-masing transek diletakkan 10 kuadrat (berukuran 1m x 1m). Berdasarkan analisis data kepadatan rata-rata secara keseluruhan (kedua transek) adalah 214 individu dengan pola penyebaran mengelompok, dengan panjang cangkang maksimum 29,64mm. Hubungan pertumbuhan panjang dan tinggi cangkang ‘allometri negatif’, hubungan panjang cangkang dan berat total ‘allometri negatif’, di mana pertambahan indeks isi tidak sejalan dengan pertambahan panjang tetapi menurun. Kerang kotak Septifier bilocularis hidup mengelompok dengan agregasi yang sangat padat di daerah intertidal rataan terumbu pada zona intertidal yang terekspos pada saat surut terendah di Tanjung Lampangi.   Kata kunci : karang kotak, morfometrik, Tanjung Lampangi, Minahasa Selatan

scholarly journals The Perifiton Alga Community in Masang Kecil River Receives Liquid Palm Oil Mill Waste in Kinali District, West Pasaman Regency

2019 ◽  
Vol 7 (2) ◽  
pp. 100
Author(s):  
Vivi Safitri ◽  
Izmiarti Izmiarti ◽  
Jabang Nurdin
Keyword(s):  
Palm Oil ◽  
Sampling Method ◽  
Diversity Index ◽  
Similarity Index ◽  
Average Density ◽  
Sampling Location ◽  
Dominance Index ◽  
Composition And Structure ◽  
Palm Oil Mill ◽  
Mill Waste

The study of the periphyton algae community in Masang Kecil River that received palm oil mill effluent in Kinali District, West Pasaman Regency was held from November 2017 to September 2018. This study aims to determine the composition and structure of periphyton communities in the Masang Kecil River in Kinali, West Pasaman. This study used purposive sampling method with a sampling location of 4 stations. Based on this study, 88 species of periphyton were classified as 3 classes i.e Bacillariophyceae (64 species), Chlorophyceae (15 species) and Cyanophyceae (9 species). The average density is 8.967 ind/ cm2.  The highest relative density (KR) at stations 1,2 and 3 is Navicula lanceolata and station 4 is Fragilaria capucina. Species that are always found at each station (FK= 100%) are Fragilaria capucina, Navicula lanceolata and Synedra ulna. The diversity index in the Masang Kecil River is classified as medium (H’ = 2.87). Equitability index is evenly distributed (E= 0.64). Dominance index (C= 0.12) there is no dominant  species. The similarity index is almost the same except between stations 1 and 3.

scholarly journals Study on Abundance and Distribution Pattern of Collembola on Three Types of Land Utilizations in Banjar Regency, South Kalimantan

2020 ◽  
Vol 5 (3) ◽  
pp. 107-117
Author(s):  
Manap Trianto ◽  
Fajri Marisa
Keyword(s):  
Environmental Factors ◽  
Distribution Pattern ◽  
Oil Palm ◽  
Sampling Method ◽  
Distribution Patterns ◽  
Sampling Location ◽  
Ecosystem Development ◽  
Soil Organism ◽  
Land Utilization ◽  
Abundance And Distribution

Collembola is one of soil organism which classified as mesofauna. This reseach is aims to study the abundance and distribution patterns of Collembola on three types of land utilization in Banjar District, South Kalimantan Province. This research was conducted on April 2020 by using a purposive sampling method. Based on results of Collembola identification obtained at the sampling location, there are 12 genera, 6 families, and 2 orders of Collembola. The highest abundance is found in oil palm plantations. While the Collembola distribution pattern on the three types of land clearing is the same, which is clustering. The results of this study are expected to provide information on the study of abundance and distribution patterns of Collembola in South Kalimantan Province related to environmental factors also help in carrying out sustainable ecosystem development.

Faktor-Faktor Yang Mempengaruhi Keputusan Mahasiswa Memilih Program Studi Kebidanan STIKES Muhammadiyah Ciamis Tahun 2016

2018 ◽  
Vol 5 (1) ◽  
pp. 69-82
Author(s):  
Evi Mariana
Keyword(s):  
Data Analysis ◽  
Linear Regression ◽  
Multiple Linear Regression ◽  
Random Sampling ◽  
Sampling Method ◽  
Marketing Mix ◽  
Stratified Random Sampling ◽  
Price Promotion ◽  
F Test ◽  
Physical Evidence

The purpose of this study was to analyze the factors that influence the decisionof the students chose to study in Obstetrics Prodi STIKES Muhammadiyah Ciamis and analyze the factors that most influence the decision of the students chose to study in Obstetrics Prodi STIKES Muhammadiyah Ciamis. Collecting data in this study was conducted using a survey by questionnaire to 114 students by stratified random sampling method. Methods of data analysis using multiple linear regression, F test and test T. The result is a marketing mix that significantly is the product, place, and physical evidence. And that does not affect the marketing mix is price, promotion, place, and processes

BANKACILIKTA MÜŞTERİ İLİŞKİLERİ YÖNETİMİNİN MÜŞTERİ SADAKATİNE ETKİSİ

2015 ◽  
Vol 3 (1) ◽  
Author(s):  
Fikret GÜMÜŞBUĞA
Keyword(s):  
Customer Loyalty ◽  
Random Sampling ◽  
Management System ◽  
Care Management ◽  
Sampling Method ◽  
Simple Random Sampling ◽  
Face To Face ◽  
Descriptive Research ◽  
Customer Care ◽  
Research Type

This study mainly focuses on customer care management and customer loyalty. Even though there are many experiential studies about customer care management and customer loyalty system, the lack of studies on customers in Karabük and Safranbolu locally, has leaded to focus on this study. Thus, this study mainly focuses on the influence of customer care treatments of banks in Karabük and Safranbolu on customer loyalty. Descriptive research type was used in the study. In this study simple random sampling method was used which is one of the probability sampling method, face to face surwey to all 726 participants was used for the study. As the result of the experiential study, the attendance and influence of customer care management and loyalty systems have been comparatively low, but it has been figured out that customer care management system influences customer loyalty level.

A Scale Development Approach To Employees’ Perspective Of Knowledge Management In Banks

2019 ◽  
Vol 118 (7) ◽  
pp. 82-94
Author(s):  
DR.C. KATHIRAVAN ◽  
DR.M. MANIVANNAN ◽  
E.CHANDRA MOULI ◽  
A. RAJASEKAR
Keyword(s):  
Knowledge Management ◽  
Random Sampling ◽  
Tamil Nadu ◽  
Sampling Method ◽  
Sampling Technique ◽  
Technology Knowledge ◽  
Interview Method ◽  
Development Approach ◽  
Chennai City ◽  
Future Topics

The data were collected using personal interview method and a total of 455 employees who were in some aspect knowledge management in banks and identified through multistage random sampling method. Multistage random sampling technique is a probability sampling type where available study topics employ future topics from among their contacts. The study was limited to Chennai city of Tamil Nadu. The analysis found that banks employees moderately perceived towards factors of knowledge management such as knowledge utilization, information technology, knowledge motivation, knowledge storage, knowledge sharing enablers and knowledge creation. Hence, it is concluded that training program is important for the survival of knowledge management. It is also imperative for effective of employees’ job performance.

Kapasitas Adaptasi dan Resiliensi Komunitas Menghadapi Bencana Erupsi Gunung Merapi

2019 ◽  
Vol 2 (5) ◽  
pp. 617
Author(s):  
Nyimas Ayu Dillashandy ◽  
Nurmala K Panjaitan
Keyword(s):  
Adaptive Capacity ◽  
Random Sampling ◽  
Qualitative Data ◽  
Sampling Method ◽  
Sampling Technique ◽  
Community Resilience ◽  
Simple Random Sampling ◽  
Quantitative Approach ◽  
Institutional Memory ◽  
Innovative Learning

Mount Merapi eruption has occurred several times in Indonesia and the biggest eruption that last occurred in 2010. The community were suffered losses and were affected by eruptions. The purposes of this research are to analyze community resilience, to analyze the level of vulnerability, and to analize the community adaptive capacity. The research using a quantitative approach supported by qualitative data. Simple random sampling technique is used as the sampling method and the informant was taken purposively. The results of this research showed that when the eruption occurred the community has a high vulnerability. The adaptive capacity is also high with innovative learning based on institutional memory and supported by the connectedness. Communities achieve resilience and can adapt to changes with high adaptive capacity.  Keywords: adaptive capacity, community resilience, eruption, vulnerability ABSTRAK Erupsi Gunung Merapi sudah terjadi beberapa kali di Indonesia dan erupsi terbesar yang terjadi terakhir kalinya yaitu pada tahun 2010. Komunitas mengalami berbagai kerugian dan terkena dampak dari erupsi. Tujuan dari penelitian ini adalah untuk menganalisis resiliensi komunitas, menganalisis tingkat kerentanan komunitas, dan menganalisis kapasitas adaptasi komunitas. Penelitian ini dilaksanakan dengan menggunakan pendekatan kuantitatif yang didukung oleh data kualitatif. Pemilihan responden dilakukan dengan teknik sampel acak sederhana sedangkan pemilihan terhadap informan dilakukan secara sengaja. Hasil penelitian ini menunjukkan bahwa saat erupsi terjadi komunitas memiliki kerentanan yang tinggi. Kapasitas adaptasi komunitas tinggi dengan adanya innovative learning yang didasari oleh pengetahuan dan pengalaman dan didukung oleh jaringan yang dimiliki. Komunitas berhasil mencapai resiliensi dan dapat beradaptasi dengan perubahan-perubahan dengan kapasitas adaptasi yang tinggi.Kata kunci : kapasitas adaptasi, kerentanan, erupsi, resiliensi komunitas

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