scholarly journals EVALUASI DAMPAK MAKRO PROGRAM GERTAK TANPA DUSTA DI KABUPATEN TANJUNG JABUNG TIMUR PROVINSI JAMBI

2018 ◽  
Vol 3 (2) ◽  
pp. 73
Author(s):  
Nida Kemala ◽  
Rogayah Rogayah
Keyword(s):  
Growth Rate ◽  
Gross Domestic Product ◽  
Sampling Method ◽  
Agricultural Sector ◽  
The Real ◽  
Purposive Sampling ◽  
Real Gdp ◽  
Significant Difference ◽  
Before And After ◽  
The Difference

ABSTRACTThis research was undertaken in East Tanjung Jabung Regency, Jambi Province that focusing on a description of Gross Domestic Product (GDP), contribution of agricultural sector to its GDP, the difference of GDP of agricultural sector, and its contribution difference before and after the implementation of the program called Gerakan Serentak Taman Padi Dua Kali Setahun (Gertak Tanpa Dusta). These regions is one of sample determined by purposive sampling method which by considering that the Gertak Tanpa Dusta program was held in this area.The research results showed that both nominal and real GDP in Tanjabtim Regency had the same fact as GDP of agricultural sector one. Both of them showed an increase by the fluctuating growth rate. Both GDP were continues to rise in 2010 -2016 that followed by the slow down rate in 2015. Globally the nominal GDP of agricultural sector has grown 4,21 % since 2011 become 8,94 % in 2016, and its highest growth showed in 2014 as 9,67 % . It also showed that there was a significant difference between before and after the provision of this program Gertak Tanpa Dusta of both real and nominal GDP of agricultural sector.While the GDP of agricultural sector was rise significantly, in contrary the agricultural contribution was not follow alredy. In this case the contribution of nominal GDP had no significant difference and the real GDP showed decrease followed by significant difference between before and after the program.Keyword : Effect,GDP,Pady, ProgramABSTRAKPenelitian dilaksanakan di Kabupaten Tanjung Jabung Timur, Provinsi Jambi dengan fokus kajian menyangkut gambaran perkembangan Produk Domestik Regional Bruto, perkembangan kontribusi sektor pertanian terhadap Produk Domestik Bruto, perbedaan kontribusi sektor pertanian terhadap PDRB dan perbedaan Produk Domestik Regional Bruto tahun 2010-2017 sebelum dan sesudah pelaksanaan program. Wilayah ini menjadi sampel yang ditentukan secara sengaja (purposive sampling) dengan pertimbangan bahwa di Provinsi Jambi, program Gertak Tanpa Dusta hanya dilaksanakan di Kabupaten ini. Hasil penelitian menunjukkan bahwa PDRB tingkat Kabupaten Tanjabtim senada dengan perkembangan PDRB sektor pertanian yang juga menunjukkan peningkatan dengan pertumbuhan yang berfluktuasi. PDRB sektor pertanian terus meningkat pada 2010 -2016 dengan laju yang menurun pada tahun 2015. Secara keseluruhan pertumbuhan PDRB harga konstan sektor pertanian meningkat sejak tahun 2011 (4,21%) menjadi 8,94% pada tahun 2016 dengan pertumbuhan tertinggi pada tahun 2014 (9,67%). Pada kedua kondisi baik harga berlaku maupun harga konstan PDRB sektor pertanian sebelum dan sesudah adanya program Gertak Tanpa Dusta menunjukkan perbedaan yang signifikan. Pada perubahan PDRB sektor pertanian yang meningkat signifikan tidak diikuti dengan perubahan kontribusi yang nyata. Dalam hal ini tidak menunjukkan berbedaan kontribusi sektor pertanian antara sebelum dan sesudah adanya Gertak Tanpa Dusta pada harga konstan sedangkan pada harga berlaku terlihat penurunan kontribusi yang signifikan.Kata Kunci: Dampak, PDRB, Padi,Program

scholarly journals Pengaruh Penerapan Model Pembelajaran Kooperatif Tipe Course Review Horay (CRH) Terhadap Keaktifan Belajar dan Hasil Belajar Ekonomi

2019 ◽  
Vol 1 (1) ◽  
pp. 1
Author(s):  
Aisyah Aisyah
Keyword(s):  
Learning Outcomes ◽  
Sampling Method ◽  
Learning Model ◽  
Positive Influence ◽  
Learning Activity ◽  
Economic Study ◽  
Purposive Sampling ◽  
Significant Difference ◽  
The Difference

This research is experimental research on students class XI of MIPA in SMA Negeri 3 Purwokerto. This research takes the title of "The Influence of the Application of the Cooperative Learning Model Type Course Review Horay (CRH) Against the Liveliness of learning and the Results of the Economic Study (study on the Grade XI MIPA in SMA Negeri 3 Purwokerto)". The purpose of this research is to know the difference in learning outcomes and learning activity between the learning model Course Review Horay (CRH) with conventional learning model, to know the influence of learning model Course Review Horay (CRH) against the learning outcomes and learning activity, as well as to know the influence of the liveliness of the learning results of learning. The population of this research is the grade XI MIPA in SMA Negeri 3 Purwokerto. The number of samples taken in this study is 72 i.e. 2 Class XI of MIPA which each class amounted to 36 students. Purposive Sampling Method used in the determination of the sample. Based on the results of the research and the anallisis data indicate that (1) there is a significant difference between the model of learning learning activeness cooperative Course Review Horay (CRH) and conventional learning model on economics. (2) there are significant differences between the learning outcomes learning model cooperative Course Review Horay (CRH) and conventional learning model on economi. (3) there is a positive influence learning model cooperative Course Review Horay (CRH) against the liveliness of the study on economic. (4) there is a positive influence learning model cooperative Course Review Horay (CRH) against the results of the study on economic. (5) there is no positive influence between the liveliness of student learning against the results of the study on economic. Penelitian ini adalah penelitian eksperimen pada siswa kelas XI MIPA di SMA Negeri 3 Purwokerto. Penelitian ini mengambil judul “Pengaruh Penerapan Model Pembelajaran Kooperatif Tipe Course Review Horay (CRH) terhadap Keaktifan Belajar dan Hasil Belajar Ekonomi (Studi pada Siswa Kelas XI MIPA di SMA Negeri 3 Purwokerto)”.        Tujuan dari penelitian ini adalah untuk mengetahui perbedaan keaktifan belajar dan hasil belajar antara model pembelajaran Course Review Horay (CRH) dengan model pembelajaran konvensional, untuk mengetahui pengaruh model pembelajaran Course Review Horay (CRH) terhadap keaktifan belajar dan hasil belajar, serta untuk mengetahui pengaruh keaktifan belajar terhadap hasil belajar. Populasi penelitian ini adalah siswa kelas XI MIPA di SMA Negeri 3 Purwokerto. Jumlah sample yang diambil dalam penelitian ini adalah 72 yaitu 2 kelas XI MIPA yang masing-masing kelas berjumlah 36 siswa. Purposive Sampling Method digunakan dalam penentuan sample. Berdasarkan hasil penelitian dan anallisis data menunjukkan bahwa (1) Terdapat perbedaan signifikan keaktifan belajar antara model pembelajaran kooperatif Course Review Horay (CRH) dengan model pembelajaran konvensional pada mata pelajaran ekonomi. (2) Terdapat perbedaan signifikan hasil belajar antara model pembelajaran kooperatif Course Review Horay (CRH)  dengan model pembelajaran konvensional pada mata pelajaran ekonomi. (3) Terdapat pengaruh positif model pembelajaran kooperatif Course Review Horay (CRH)  terhadap keaktifan belajar pada mata pelajaran ekonomi. (4) Terdapat pengaruh positif model pembelajaran kooperatif Course Review Horay (CRH)  terhadap hasil belajar pada mata pelajaran ekonomi. (5) Tidak terdapat pengaruh positif antara keaktifan belajar siswa terhadap hasil belajar pada mata pelajaran ekonomi.  

scholarly journals Difference in the salivary pH before and after consumption of vitamin C lozenge on preclinical student of Faculty of Dentistry Universitas Padjadjaran

2010 ◽  
Vol 22 (2) ◽  
Author(s):  
Nirmala Trihasmana Sopannata ◽  
Edeh Roletta Haroen ◽  
Tuty Sutini Richata
Keyword(s):  
Standard Deviation ◽  
Vitamin C ◽  
Sampling Method ◽  
Research Result ◽  
Average Difference ◽  
Significant Difference ◽  
Salivary Ph ◽  
Before And After ◽  
The Difference ◽  
Paired T Test

Introduction: Vitamin C lozenge can increase pH saliva. Increasing saliva pH is cause saliva works as a buffer that can neutralize the acidity of vitamin C. The purpose of this research was to find  the difference saliva pH before and after sucking vitamin C tablet. Methods: The research was carried out with quasi-experiment, using purposive sampling method and Paired t Test. This research was conducted on 30 students of the Faculty of Dentistry of Padjadjaran University, ranging 18-23 years of age. The research was carried out by measuring salivary pH before and after sucking vitamin C tablet. Results: Research result indicates that the average difference of salivary pH after sucking vitamin C tablet is 0.42 with standard deviation ±0,189. From statistic results   T calc 12,282 > T table 2,05  Ho is rejected, H1 is accepted. Conclusion: The research conclusion shows that there is a significant difference on saliva pH before and after sucking  vitamin C tablet lozenge on preclinical student of Faculty of Dentistry Padjadjaran University.

scholarly journals Perbedaan tinggi badan sebelum tidur dan setelah bangun pagi pada masyarakat subetnis Minahasa di Desa Senduk

2017 ◽  
Vol 5 (1) ◽  
Author(s):  
Magdalena I. Simanullang ◽  
George N. Tanudjaja ◽  
Djon Wongkar ◽  
Taufiq F. Pasiak
Keyword(s):  
Human Body ◽  
Analytical Study ◽  
Sampling Method ◽  
Wilcoxon Test ◽  
Cross Sectional ◽  
Purposive Sampling ◽  
Significant Difference ◽  
The Difference ◽  
Cross Sectional Design ◽  
Waking Up

Abstract: Anthropometry is a measurement of certain parts of human body including height. This study was aimed to obtain the difference in height between after waking up in the morning and before going to bed at night among Minahasan sub-ethnic people at Senduk village. This was an analytical study with a cross-sectional design. Sampels were obtained by using purposive sampling method. There were 65 people as subjects. The results showed that the heights after waking up in the morning were longer than the heights before going to bed at night with an average of 1-2 cm for both sexes. The Wilcoxon test showed a significant difference between the heights after waking up in the morning and the heights before going to bed at night (p=0.002 for males and p=0.000 for females). Conclusion: There was a significant difference between the heights after waking up in the morning and the heights before going to bed at night. The heights after waking up in the morning were longer than the heights before going to bed at night.Keywords: height, after waking up in the morning, before going to bed at night Abstrak: Antropometri merupakan sebuah alat ukur yang digunakan untuk mengukur bagian-bagian tubuh manusia termasuk tinggi badan. Penelitian ini bertujuan untuk mendapatkan perbedaan tinggi badan sebelum tidur dan setelah bangun pagi pada sub-etnis Minahasa di Desa Senduk. Jenis penelitian ialah analitik dengan desain potong lintang. Sampel diambil secara purposive sampling sebanyak 65 orang. Hasil penelitian mendapatkan bahwa tinggi badan setelah bangun pagi lebih panjang dibandingkan sebelum tidur malam hari dengan rerata perbedaan 1-2 cm untuk kedua jenis kelamin. Hasil uji Wilcoxon mendapatkan perbedaan bermakna antara tinggi badan setelah bangun pagi dan sebelum tidur (p=0,002 untuk laki-laki dan p=0,000 untuk perempuan). Simpulan: Terdapat perbedaan bermakna antara tinggi badan setelah bangun pagi dan sebelum tidur malam hari. Tinggi badan setelah bangun pagi lebih pendek dibandingkan sebelum tidur malam hari. Kata kunci: tinggi badan, sebelum tidur malam hari, setelah bangun pagi

Analisis Perbedaan Abnormal Return Dan Laba Perusahaan Sebelum Dan Sesudah Share Split Atau Reverse Share Split

2012 ◽  
Vol 4 (2) ◽  
pp. 1-23
Author(s):  
Amelinda Timothea Winata ◽  
Rosita Suryaningsih
Keyword(s):  
Abnormal Return ◽  
Sampling Method ◽  
Composite Index ◽  
Secondary Data ◽  
Share Price ◽  
Net Income ◽  
Financial Reports ◽  
Significant Difference ◽  
Before And After ◽  
The Difference

The purpose of this research was to analyze the difference of abnormal return and net income before and after share split or reverse share split. Abnormal return and net income are important to investor because it indicated the corporate performance and useful for investor’s decision making. The samples used in this research were 61 companies for variable of abnormal return and 59 companies for variable of net income. These samples were the companies that listed in Indonesia Share Exchange (IDX) for period 2003-2010 and meet the criteria sampling of this study. The samples were determined based on purposive sampling method. Data that used in this research was secondary data, such as share price, Indonesia Composite Index (ICI), and financial reports. The method used for analysis was paired sample t-test. The results of this research are (1) there is significant difference between abnormal return before and after share split, (2) there is no significant difference between net income before and after share split, (3) there is significant difference between abnormal return before and after reverse share split, and (4) there is no significant difference between net income before and after reverse share split. Keywords: share split, reverse share split, abnormal return, net income.

A Macroeconomic Analysis of Agricultural Sector in Nigeria

2019 ◽  
Vol 5 (1) ◽  
pp. 18-25
Author(s):  
Isah Funtua Abubakar ◽  
Umar Bambale Ibrahim
Keyword(s):  
Value Chain ◽  
Crop Production ◽  
Agricultural Sector ◽  
Time Series Data ◽  
Tourism Industry ◽  
Series Data ◽  
Size Analysis ◽  
The Real ◽  
Real Gdp ◽  
The Impact

This paper attempts to study the Nigerian agriculture industry as a panacea to growth as well as an anchor to the diversification agenda of the present government. To do this, the time series data of the four agriculture subsectors of crop production, livestock, forestry and fishery were analysed as stimulus to the Real GDP from 1981-2016 in order to explicate the individual contributions of the subsectors to the RGDP in order to guide the policy thrust on diversification. Using the Johansen approach to cointegration, all the variables were found to be cointegrated. With the exception of the forestry subsector, all the three subsectors were seen to have impacted on the real GDP at varying degrees during the time under review. The crop production subsector has the highest impact, however, taking size-by-size analysis, the livestock subsector could be of much importance due to its ability to retain its value chain and high investment returns particularly in poultry. Therefore, it is recommended that, the government should intensify efforts to retain the value chain in the crop production subsector, in order to harness its potentials optimally through the encouragement of the establishment of agriculture cottage industries. Secondly, the livestock subsector is found to be the most rapidly growing and commercialized subsector. Therefore, it should be the prime subsector to hinge the diversification agenda naturally. Lastly, the tourism industry which is a source through which the impact of the subsector is channeled to the GDP should be developed, in order to improve the impact of such channel to GDP with the sole objective to resuscitate the forestry subsector.

scholarly journals Influence of Apical Patency and Cleaning of the Apical Foramen on Periapical Extrusion in Retreatment

2013 ◽  
Vol 24 (5) ◽  
pp. 482-486 ◽  
Author(s):  
Marili Doro Andrade Deonizio ◽  
Gilson Blitzkow Sydney ◽  
Antonio Batista ◽  
Roberto Pontarolo ◽  
Paulo Ricardo Bittencourt Guimarães ◽  
...  
Keyword(s):  
Material Removal ◽  
Filling Material ◽  
Mean Values ◽  
Filtration System ◽  
Root Canal Retreatment ◽  
Significant Difference ◽  
Before And After ◽  
The Mean ◽  
The Difference ◽  
Removal Technique

This study evaluated the influence of apical patency, root filling removal technique and cleaning of the apical foramen, concerning the amount of debris extruded during root canal retreatment. Forty mandibular incisors were randomly assigned to 4 groups - GIM (n=10), GIIM (n=10), GIPT (n=10) and GIIPT (n=10), which were named according to leaving (I) or not (II) apical patency during canal preparation and filling removal technique (manual - M or ProTaper system - PT). After filling material removal, each specimen of each group had the apical foramen cleaned by sizes 15, 20 and 25 instruments, generating 12 subgroups: GIM15, GIM20, GIM25, GIIM15, GIIM20, GIIM25, GIPT15, GIPT20, GIPT25, GIIPT15, GIIPT20 and GIIPT25. Extruded filling debris was collected by a Milipore filtration system, an HV-durapore, 0.45 µm pore filter with a 25 mm diameter. The filters were weighed before and after the collection on an analytical scale (10–5 g), and the difference was calculated. The mean weight of extruded filling debris was analyzed statistically by Kruskal-Wallis and Friedman ANOVA tests (α=0.05). The mean values found in the groups (in mg) were: GIM (0.95±0.94), GIIM (0.47±0.62), GIPT (0.30±0.31) and GIIPT (0.32±0.44). There was no statistically significant difference among any of the groups or subgroups (p>0.05). ProTaper provided the smallest amount of extruded filling material, regardless of presence or absence of apical patency, followed by manual technique, without and with apical patency. Additional amounts of debris were collected during cleaning of the apical foramen, regardless of the instrument, presence/absence of patency or root filling removal technique.

scholarly journals The difference in saliva pH before and after brushing with fluoride containing toothpaste and without toothpaste

2008 ◽  
Vol 20 (3) ◽  
Author(s):  
Samuel Setiawan ◽  
Edeh Rolleta Haroen ◽  
Dede Hadidjah
Keyword(s):  
Drinking Water ◽  
Research Method ◽  
Control Group ◽  
Research Subjects ◽  
Male And Female ◽  
Significant Difference ◽  
Salivary Ph ◽  
Before And After ◽  
Quasi Experimental ◽  
The Difference

In administering fluoride through drinking water there is the risk of overdose, higher cost and inadequate availability of drinking water containing fluoride in developing countries like Indonesia. A safe fluoride source is contained in toothpaste. The purpose of this research was to obtain data concerning difference in saliva pH before and after brushing with toothpaste containing fluoride and without toothpaste. The research method used was the quasi-experimental method. Samples were collected by the way of purposive sampling, conducted on 43 male and female research subjects. The data were analyzed by statistical analysis using the t test at 95% confidence level. In this research a control group consisting of 43 people was used. Research results indicated that the average saliva pH before brushing was 7.174; after brushing with fluoride containing toothpaste salivary pH was 7.593. Result research of brushing without toothpaste showed an average saliva of 7.163 before brushing and 7.379 after brushing without toothpaste. The average changes in saliva pH before and after brushing using fluoride containing toothpaste was 0.216. The conclusion of this research was that there was significant difference in saliva pH before and after brushing with toothpaste containing fluoride; there was significant difference in saliva pH before and after brushing without toothpaste, and there was significant difference in saliva pH before and after brushing with toothpaste containing fluoride and without toothpaste.

scholarly journals ANALISIS PERGERAKAN SAHAM PERUSAHAAN SUB SEKTOR FARMASI MENGGUNAKAN INDIKATOR BOLLINGER BAND DI TENGAH PANDEMI COVID-19

2020 ◽  
Vol 3 (2) ◽  
pp. 77-88
Author(s):  
Intan Elita ◽  
K. Bagus Wardianto ◽  
M. Iqbal Harori
Keyword(s):  
Stock Prices ◽  
Stock Price ◽  
Sampling Method ◽  
Sample Selection ◽  
T Test ◽  
Analysis Tool ◽  
Selection Technique ◽  
Purposive Sampling ◽  
Analysis Technique ◽  
Significant Difference

This study aims to measure the accuracy of technical analysis using the Bollinger Band indicator in predicting stock prices in the middle of pandemic covid-19. The concept in this study is to compare daily stock price predictions according to technical indicators with the closing prices that occured on that day. Sample selection technique used in this research used a purposive sampling method and obtained 9 pharmaceutical sub-sector companies listed on the IDX from February to April 2020. The type of data used is a chart of the company's daily stock price movements obtained from finance.yahoo.com. The data analysis technique used was the paired sample t-test and used the SPSS 26 analysis tool. The results of this study indicate that the Bollinger indicator does not have a significant difference. ABSTRAK Penelitian ini bertujuan untuk mengukur keakuratan analisis teknikal dengan indikator Bollinger Band dalam memprediksi harga saham pada masa pandemi Covid-19. Konsep pada penelitian ini adalah membandingkan prediksi harga saham harian menurut indikator teknikal dengan harga penutupan yang terjadi pada hari tersebut. Teknik pengambilan sampel dalam penelitian ini menggunakan metode purposive sampling dan diperoleh sebanyak 9 perusahaan sub sektor farmasi yang terdaftar di BEI selama Februari hingga April 2020. Jenis data yang digunakan yaitu berupa grafik pergerakan harga saham harian perusahaan yang diperoleh dari finance.yahoo.com. Teknik analisis data yang digunakan adalah uji independent sample t-test dan menggunakan alat analisis program SPSS 26. Hasil penelitian ini menunjukkan bahwa indikator Bollinger tidak memiliki perbedaan yang signifikan.

scholarly journals OHIS Differences on Primary School Students in Relation to Little Dentist Training

2021 ◽  
Author(s):  
Asep Arifin Senjaya ◽  
Ni Made Sirat ◽  
I Nyoman Wirata ◽  
Ni Ketut Ratmini
Keyword(s):  
Treatment Group ◽  
Primary School ◽  
Oral Hygiene ◽  
Dental Health ◽  
Control Group ◽  
Primary School Students ◽  
School Students ◽  
Significant Difference ◽  
Before And After ◽  
The Difference

Dental healthcare is very important since dental and oral hygiene should be maintained. Statistics showed that more than 80% of children in developed and developing countries suffer from dental disease. This study aimed to see the safety of OHIS (Oral Hygiene Index Simplified) in primary school students who got and did not get little dentist cadre training in Bangli Regency in 2019. The study was done in an experimental design: pre and post-test with control design, which was conducted in August-September 2019. The sample in this study is 366 students. The difference in OHIS scores before and after treatment in the control group and treatment group was carried out by the bivariate Mann Whitney U Test. The results of the study showed that before dental health training was conducted, there were 54.3% of primary school students in the treatment group with good OHIS score criteria, and after the training was carried out as many as 98.4% of the students in the treatment group had a good OHIS. Additionally, prior to the training, 57.5% of the control group had fair OHIS criteria score. Then, after the training was carried out, 73.7% of the control group had good OHIS score. Hence, the study concluded that there was a significant difference in the OHIS of primary school students who got little doctor training prior to and after the training. Also, there was a significant difference in the OHIS of the students who did not get such treatment before and after the training.

scholarly journals MORFOMETRIK LAMUN Thalassia hemprichii BERDASARKAN TIPE SUBSTRAT DI PERAIRAN PANTAI TANJUNG TIRAM, POKA, TELUK AMBON DALAM

2021 ◽  
Vol 17 (2) ◽  
pp. 77-89
Author(s):  
Jessico H Sermatang ◽  
Charlotha I Tupan ◽  
Laura Siahainenia
Keyword(s):  
Environmental Conditions ◽  
Sampling Method ◽  
Environmental Parameters ◽  
Nutrient Content ◽  
Flowering Plant ◽  
Substrate Type ◽  
Thalassia Hemprichii ◽  
Purposive Sampling ◽  
Significant Difference ◽  
Parameters Analysis

Seagrass as a flowering plant can live from muddy substrates to coral fractures. Differences in the characteristics of substrate type, nutrient content and aquatic environmental conditions can affect morphometric seagrass. The purpose of the study was to analyze environmental conditions and nutrient content as well as the morphometric characteristics of T. hemprichii seagrass based on differences in substrate type. This study was conducted in the waters of Tanjung Tiram Coastal, Poka from February-April 2021. Seagrass sampling was using the purposive sampling method. Data analysis was conducted using ANOVA with SPSS. The results of environmental parameters analysis showed that the water conditions of Tanjung Tiram, Poka are still at the tolerance limit intended for seagrass life. The substrate consists of sand substrate, gravel mixed sand substrate and mud substrate. The results of ANOVA showed that there was a significant difference in the content of sedimentary nutrients, especially phosphates in each substrate type and there was a significant difference in morphometric seagrass based on differences in substrate type and nutrient content.   ABSTRAK Lamun sebagai tumbuhan berbunga dapat hidup mulai dari substrat berlumpur sampai dengan patahan karang. Perbedaan karakteristik jenis substrat, kandungan nutrien dan kondisi lingkungan perairan dapat mempengaruhi morfometrik lamun. Tujuan dari penelitian ini adalah menganalisis kondisi lingkungan dan kandungan nutrien serta karakteristik morfometrik lamun T. hemprichii berdasarkan perbedaan tipe substrat. Penelitian ini dilaksanakan di Perairan Pantai Tanjung Tiram, Poka pada Bulan Februari-April 2021. Pengambilan sampel lamun menggunakan metode purposive sampling. Analisis data menggunakan ANOVA dengan SPSS. Hasil analisis parameter lingkungan, menunjukan bahwa kondisi perairan Tanjung Tiram, Poka masih berada pada batas toleransi yang diperuntukan untuk kehidupan lamun. Substrat terdiri dari substrat pasir, pasir campur kerikil dan lumpur. Hasil anova menunjukan bahwa terdapat perbedaan kandungan nutrien sedimen khususnya fosfat secara signifikan pada masing masing tipe substrat dan terdapat perbedaan morfometrik lamun secara signifikan berdasarkan perbedaan tipe substrat dan kandungan nutrien. Kata Kunci: morfometrik, nutrien, substrat, Tanjung Tiram, Thalassia hemprichii

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