scholarly journals Konsentrasi Nitrat dan Fosfat pada Sedimen dan Hubungannya dengan Kelimpahan dan Keanekaragaman Makrozoobentos di Sungai Kreo Semarang Relationship of Nitrate and Phosphate Consetration in Sediments with Macrozoobhentos Abundance and Diversity in Kreo River Semarang

2020 ◽  
Vol 9 (1) ◽  
pp. 1-7
Author(s):  
Wiwin Try Indrayani ◽  
Haeruddin Haeruddin ◽  
Supriharyono Supriharyono
Keyword(s):  
Sampling Technique ◽  
Strong Relationship ◽  
Growth And Survival ◽  
Purposive Sampling ◽  
Sediment Types ◽  
Regression Test ◽  
Abundance And Diversity ◽  
Relationship Of ◽  
The Relationship

ABSTRAKSungai Kreo merupakan suatu ekosistem yang di dalamnya terdapat beberapa komponen yang saling berinteraksi. Zat hara nitratdan fosfat biasanya terkandung di dalam air dan sedimen. Peranan nitrat dan fosfat yang terkandung dalam sedimen yang ada di sungai adalah sebagai unsur penting bagi pertumbuhan dan kelangsungan mikroorganisme dasar perairan. Tujuan penelitian ini yakni mengetahui konsentrasi nitrat dan fosfat pada sedimen, mengetahui jenis tekstur sedimen, mengetahui kelimpahan dan keanekaragaman makrozoobentos dan menganalisis hubungan konsentrasi nitrat dan fosfat pada sedimen dengan kelimpahan dan Keanekaragaman makrozoobentos di Sungai Kreo Semarang. Metode penelitian yang digunakan adalah metode eksplanatif. Penentuan stasiun sampling menggunakan teknik purposive sampling. Analisis data menggunakan uji regresi linier berganda dengan software SPSS 16. Hasil penelitian menunjukkan bahwa konsentrasi nitrat berkisar 0,14 mg/l - 0,63 mg/l. Konsentrasi fosfat berkisar 0,01 mg/l - 0,11 mg/l. Jenis sedimen stasiun I: lempung liat berpasir, stasiun II: pasir berlempung dan stasiun III : pasir. Spesies Makrozoobentos yang ditemukan adalah kelas gastropoda (Sulcospira sp, Melanoides sp, Brotia sp Annetome sp, Tarebia sp). Keanekaragaman jenis termasuk dalam keanekaragaman yang rendah (0,23 - 0,25). Hubungan konsentrasi nitrat fosfat terhadap kelimpahan dan keanekaragaman termasuk hubungan kuat (r = 0,675). ABSTRACTKreo River is an ecosystem in which there are several interacting components. Nitrate and phosphate nutrients are usually contained in water and sediments. The role of nitrate phosphate contained in sediments in rivers is an important element for the growth and survival of aquatic microorganisms. The purpose of this study was to determine the concentration of nitrate, phosphate sediment and the type of sediment texture in Semarang Kreo River. As well, to investigate the abundance and diversity of macrozoobentos in the Semarang Kreo River, analyzing the relationship of nitrate and phosphate concentrations in sediments with abundance of macrozoobentos in Semarang Kreo River. The study method was used the explanatory method. Sampling was used purposive sampling technique. Data analysised were multiple linear regression test with SPSS 16 software. The results of study showed that the concentration of nitrate was around 0.14 mg/l - 0.63 mg/l. Phosphate concentrations ranged from 0.01 mg/l - 0.11 mg/l. Station I sediment types: sandy clay loam, station II: clay sand and station III: sand. Macrozoobentos genus found were the gastropod class (Sulcospira sp, Melanoides sp, Brotia sp, Annetome sp, Tarebia sp). The diversity of macrozoobentos is included in the low diversity (0,23-0,25). The strong relationship was found between nitrate phosphate concentration and the abundance and diversity (r = 675). 

scholarly journals HUBUNGAN JENIS SEDIMEN DENGAN KERAPATAN MANGROVE DI DESA TIMBULSLOKO, DEMAK

2018 ◽  
Vol 7 (4) ◽  
pp. 323-332
Author(s):  
Fadhil Mauludi ◽  
Bambang Sulardiono ◽  
Haeruddin Haeruddin
Keyword(s):  
Linear Regression Analysis ◽  
Sampling Technique ◽  
Strong Relationship ◽  
Multiple Linear Regression Analysis ◽  
Sediment Texture ◽  
Purposive Sampling ◽  
Sediment Types ◽  
Two Factors ◽  
Density Values ◽  
The Relationship

Timbulsloko adalah salah satu desa yang berada di Kecamatan Sayung, Demak. Daerah ini menjadi salah satu kawasan yang mengalami erosi secara terus menerus yang mengakibatkan luas daerahnya menjadi semakin berkurang. Dominasi mangrove yang ditemukan di desa ini adalah Rhizophora sp. dan Avicennia sp.. Tujuan dari penelitian ini adalah untuk mengetahui jenis sedimen, kerapatan mangrove serta hubungan jenis sedimen dengan kerapatan mangrove di Desa Timbulsloko, Demak. Penelitian ini dilaksanakan pada bulan April 2018. Metode penelitian yang digunakan adalah metode kuantitatif yang bersifat deskriptif dengan pemilihan lokasi penelitian menggunakan teknik purposive sampling. Lokasi sampling dibagi menjadi 3 stasiun, tiap stasiun dibagi menjadi 6 titik sampling. Hasil yang diperoleh dari jenis sedimen ketiga stasiun didominasi tekstur pasir dengan persentase pasir stasiun 1 68,78%, pasir stasiun 2 68,42%, dan pasir stasiun 3 65,91%. Bahan organik sedimen pada stasiun 1 berkisar 1,08-1,48%, stasiun 2 berkisar 0,28-1,6%, dan stasiun 3 berkisar 0,88-2,32%. Salinitas sedimen pada ketiga stasiun berkisar antara 29-30‰. Kerapatan mangrove di lokasi penelitian Desa Timbulsloko didominasi oleh jenis mangrove Avicennia sp.. Nilai kerapatan mangrove stasiun 1 berkisar 2066 - 4550 pohon/ha, stasiun 2 berkisar 2519 - 10000 pohon/ha, dan stasiun 3 berkisar 5986 - 18511 pohon/ha. Hubungan jenis sedimen dengan kerapatan mangrove jika dilihat dari analisa PCA, berdasarkan nilai loading factor kedua faktor yang terbentuk pada ketiga stasiun menunjukkan tingginya korelasi antar variabel. Sedangkan, jika dilihat dari hasil analisa regresi linear berganda menunjukkan bahwa hubungan jenis sedimen dengan kerapatan mangrove di ketiga stasiun mempunyai hubungan yang sangat kuat.  Timbulsloko is one of the villages located in Sayung District, Demak. This area became one of the areas that experienced continuous erotion which resulted the area became decreasing. The dominance of mangroves found in this area is Rhizophora sp. and Avicennia sp. The purpose of this research is to know the type of sediment texture, mangrove density and the relation of sediment texture with mangrove density in Timbulsloko village, Demak. This study was conducted in April 2018. The method of this research is descriptive quantitative method and using purposive sampling technique. Sampling area is divided into 3 stations, each station divided into 6 sampling points. The results showed that sediment types from three stations were dominated by sand texture with the percentage of station 1 sand 68.78%, station sand 2 68.42%, and station sand 3 65.91%. Sediment organic material at station 1 ranged from 1.08 to 1.48%, station 2 ranged from 0.28 to 1.6%, and station 3 ranged from 0.88 to 2.32%. Sediment salinity in three stations ranged from 29-30 ‰. Mangrove density in Timbulsloko Village is dominated by Avicennia sp.. The mangrove density values at station 1 ranged from 2066 to 4550 trees / hectare, station 2 ranged from 2519 to 10000 trees / hectare, and station 3 ranged from 5986 to 18511 trees / hectare. The relationship between the type of sediment and the density of mangroves when viewed from the PCA analysis, based on the value of loading factors from two factors formed on three stations showed the high correlation between variables. Meanwhile, when viewed from the results of multiple linear regression analysis shows that the relationship between the type of sediment and the density of mangroves in three stations has a very strong relationship. 

Hubungan antara Pemberitaan Pembatasan 17 Lagu Barat oleh KPID Jawa Barat terhadap Minat Pendengar Lagu Barat di Radio

2021 ◽  
Vol 1 (1) ◽  
pp. 24-28
Author(s):  
Nadya Savira Chaerani ◽  
Dedeh Fardiah
Keyword(s):  
Random Sampling ◽  
English Language ◽  
Sampling Technique ◽  
Strong Relationship ◽  
Online Media ◽  
Stratified Random Sampling ◽  
The Hours ◽  
Correlational Approach ◽  
Relationship Of ◽  
The Relationship

Abstract. In February 2019 KPID West Java issued a circular containing restrictions on the hours of broadcast of some English-language songs that were vulgar in content, both in the form of songs or video clips. There are 17 English songs contained in circular attachments issued by KPID West of Java. Dozens of songs can only be aired starting at 22:00 WIB until 03.00 WIB. The broadcast limitation starts from public complaints and KPID supervision of the broadcast content. A number of online media rollicking to preach this event, one of which is online media Detik.com which is a news site that is widely accessed by various groups. This study uses a quantitative method with a correlational approach that aims to find out the relationship of truth, relevance, balance and neutrality between the coverage of 17 western songs by KPID West of Java towards the interests of listeners of western songs on Radio as aspects of cognitive, evaluative and the interests of listeners of western songs on the radio The students of Faculty of Communication Sciences Unisba as the dependent variable, this study uses the objectivity theory of Westerstahl. From this study using the stratified random sampling technique, it was concluded that there was a significant and very strong relationship between Factuality, Impartiality and Western Song Listeners' Interests on Radio at the Faculty of Communication Sciences Unisba. Abstrak. Pada bulan Februari 2019 KPID Jawa Barat mengeluarkan surat edaran yang berisi tentang pembatasan jam penyiaran beberapa lagu berbahasa Inggris yang berkonten vulgar, baik dalam bentuk lagu atau pun video klip. Terdapat 17 lagu berbahasa Inggris yang terdapat dalam lampiran surat edaran yang dikeluarkan KPID Jawa Barat. Belasan lagu itu hanya boleh tayang mulai pukul 22.00 WIB hingga 03.00 WIB. Pembatasan penyiaran berawal dari aduan masyarakat dan pengawasan KPID terhadap isi siaran. Sejumlah media online beramai-ramai memberitakan peristiwa ini salah satunya media online Detik.com yang merupakan situs berita yang banyak diakses oleh berbagai kalangan. Penelitian ini menggunakan metode kuantitatif dengan pendekatan korelasional yang bertujuan mengetahui adanya hubungan kebenaran, relevansi, keberimbangan dan netralitas antara pemberitaan pembatasan 17 lagu barat oleh KPID Jawa Barat terhadap minat pendengar lagu barat di Radio sebagai aspek dalam kognitif, evaluatif dengan minat pendengar lagu barat di radio pada Mahasiswa Fikom Unisba sebagai variabel terikat, penelitian ini menggunakan teori Objektivitas dari Westerstahl. Dari penelitian ini yang menggunakan teknik penarikan sampel stratified random sampling ini ditemukan kesimpulan, bahwa terdapat hubungan yang signifikan dan sangat kuat antara Faktualitas, Imparsialitas dengan Minat Pendengar Lagu Barat di Radio pada Mahasiswa Fikom Unisba.

scholarly journals Effect of compensation on employee performance towards motivation as mediation variable

2019 ◽  
Vol 6 (5) ◽  
pp. 134-143
Author(s):  
Intan Candradewi ◽  
I Gst. A. Manuati Dewi
Keyword(s):  
Employee Performance ◽  
Sampling Technique ◽  
Total Sample ◽  
Partial Least Square ◽  
Least Square ◽  
Sample Technique ◽  
Saturated Sample ◽  
Relationship Of ◽  
The Relationship

The purpose of this study was to analyze and explain the role of mediation motivation in the relationship of compensation to employee performance at Wisma Prashanti Hospital. The population in this study were employees of Wisma Prashanti Hospital with a total sample of 83 respondents. The sampling technique is carried out is a saturated sample technique, the entire population is used as a sample. The research instrument used a questionnaire and analysis method using Partial Least Square (PLS) with SmartPLS 3.2 software. The results showed (1) compensation has a positive and significant effect on employee performance (2) compensation has a positive and significant effect on motivation (3) motivation has a positive and significant effect on employee performance (4) motivation mediates partially and positively and significantly on the relationship between compensation and employee performance. The implications of the results of this study indicate that compensation is found to be a major factor in improving employee performance.

scholarly journals The relationship of arm muscle strength, limb muscle explosive and movement coordination with swimming speed bracelet on students of physical education, health and recreation

2021 ◽  
Vol 3 (5) ◽  
pp. 302
Author(s):  
Yudi Ikhwani
Keyword(s):  
Data Analysis ◽  
Physical Education ◽  
Muscle Strength ◽  
Swimming Speed ◽  
Sampling Technique ◽  
Limb Muscle ◽  
Movement Coordination ◽  
Purposive Sampling ◽  
Relationship Of ◽  
The Relationship

This study aims to determined the relationship arm muscle strength, limb muscle explosive and movement coordination with coordination with swimming speed bracelet on students PENJASKESREK at Serambi Mekkah University. The population in this studied were all student PENJASKESREK at Serambi Mekkah University. Based on the purposive sampling technique, the samples totaling 30 students who had passed the T.P. Basic Swimming and T.P. Advanced Swimming. Based on the results of data analysis, it was found that arm muscle strength gave a relationship of 0.52 to the speed of breaststroke swimming in students, limb muscle explosive gave a relationship of 0.44 to the speed of breaststroke swimming to students, movement coordination gave a relationship of 0,42 with the speed of breaststroke swimming to students. The concluded that arm muscle strength, limb muscle explosive and movement coordination were related by 0.79 with the breaststroke swimming speed on Students at Serambi Mekkah University. So the hypothesis that the author proposed was accepted as true.

scholarly journals HUBUNGAN OBESITAS DENGAN PREEKLAMPSIA PADA IBU HAMIL TRIMESTER II DAN III

2019 ◽  
Vol 2 (5) ◽  
pp. 312
Author(s):  
Rahmawati Wahyuni ◽  
Azhari Azhari ◽  
Nursari Abdul Syukur
Keyword(s):  
Maternal Mortality ◽  
Pregnant Women ◽  
Maternal Death ◽  
Significant Relationship ◽  
Sampling Technique ◽  
P Value ◽  
Cross Sectional ◽  
Purposive Sampling ◽  
Relationship Of ◽  
The Relationship

Abstract Maternal mortality rate in Indonesia is still high enough which is dominated by three main causes of death that is bleeding, preeclampsia, and infection. Maternal Mortality in Samarinda city in 2015 increased by 76 per 100,000 live births. Maternal mortality in Samarinda city, dominated maternal death aged 20-34 years that fall into maternal and maternal death category. One of the causes of maternal death is preeclampsia and one of the causes of preeclampsia in pregnant women is obesity. The purpose of this study to determine the relationship of obesity with preeclampsia in pregnant women trimester II and III in RSUD Abdul Wahab Sjahranie Samarinda with specified α is 0,05The design of this study is cross sectional, sampling technique with purposive sampling of 39 pregnant women trimester II and III. The results of this study found there is a significant relationship between obesity with preeclampsia in pregnant women trimester II and III (p value = 0.006) with the value of α = 0.05.There is a significant relationship between obesity with preeclampsia in pregnant women trimester II and III in RSUD Abdul Wahab Sjahranie Samarinda 2018. Keywords :  Obesity, Preeclampsia, Pregnant Women trimester II and III   Abstrak Angka kematian ibu di Indonesia masih cukup tinggi yang didominasi oleh tiga penyebab utama kematian yaitu perdarahan, preeklampsia, dan infeksi. Kematian ibu  di kota Samarinda tahun 2015 meningkat menjadi 76 per 100.000 kelahiran hidup hidup. AKI di kota samarinda, didominasi kematian ibu usia 20-34 tahun yang masuk dalam kategori kematian ibu hamil dan  ibu bersalin. Salah satu penyebab kematian ibu adalah preeklampsia dan salah satu penyebab terjadinya preeklampsia pada ibu hamil yaitu obesitas. Tujuan penelitian ini untuk mengetahui hubungan obesitas dengan preeklampsia pada ibu hamil trimester II dan III di RSUD Abdul Wahab Sjahranie  Samarinda dengan α yang ditentukan adalah 0,05Desain penelitian ini adalah cross sectional, Teknik pengambilan sampel dengan purposive sampling dan responden sebanyak 39 ibu hamil trimester II dan III. Hasil penelitian ini diperoleh terdapat hubungan bermakna antara obesitas dengan preeklampsia pada ibu hamil trimester II dan III  (p value=0,006) dengan nilai α=0,05.Terdapat hubungan bermakna antara obesitas dengan preeklampsia pada ibu hamil trimester II dan III di RSUD Abdul Wahab Sjahranie Samarinda Tahun 2018. Kata Kunci : Obesitas, preeklampsia, wanita hamil trimester II dan III

Analisis Efektivitas dan Efisiensi Penggunaan Dana Serta Dampak Terhadap Kinerja Keuangan (Studi Kasus Rumah Sakit Stroke Nasional Bukittinggi)

2020 ◽  
Vol 5 (3) ◽  
pp. 193-202
Author(s):  
Yulistia Yulistia
Keyword(s):  
Financial Performance ◽  
Sampling Technique ◽  
Strong Relationship ◽  
Working Capital ◽  
Fixed Assets ◽  
Correlation Interval ◽  
Capital Efficiency ◽  
Relationship Of ◽  
The Relationship ◽  
Interval Value

The purpose of this study: 1) to find out the level of effectiveness and efficiency of working capital 2) To find out financial performance 3) To determine the relationship of working capital effectiveness with financial performance. 4) To find out the relationship between working capital efficiency and financial performance. This study uses the RS Bukittinggi National Stroke as object research, with a population of financial statements observed from 2012 - 2018 and the sample used is the Total Sampling technique. The analytical method used in this study uses the analysis of Ratio, Reward Ratio for Fixed Assets and Correlation Analysis. The results showed : 1. that working capital management at Bukittinggi National Stroke Hospital had not been carried out effectively and efficiently. This can be seen that there has been a decline in financial performance in the past six years. 2. In addition there is a positive and strong relationship between the effectiveness of working capital with financial performance with a correlation interval value of 0.7114 and there is a positive and very strong relationship between working capital efficiency with financial performance with a correlation interval value of 0.871. The working capital at Bukittinggi National Stroke Hospital is used more to make payments for activities with less liquidity

scholarly journals Analisis Hubungan Resiliensi Matematik Terhadap Kemampuan Pemecahan Masalah Siswa Pada Materi Lingkaran

2018 ◽  
Vol 1 (5) ◽  
pp. 819
Author(s):  
Sri Maharani ◽  
Martin Bernard
Keyword(s):  
Problem Solving ◽  
Sampling Technique ◽  
Purposive Sampling ◽  
Qualitative Descriptive ◽  
Class Viii ◽  
Relationship Of ◽  
The Relationship ◽  
Academic Year ◽  
Descriptive Method ◽  
Student Problem

The purpose of this study to determine the relationship of mathematical resilience to students problem solving abilities. This research was conducted in MTs Negeri Kota Cimahi class VIII-I even semester in academic year 2017-2018. The method used is qualitative descriptive method. Population taken is all students of class VIII MTs Negeri Kota Cimahi. Sampling using purposive sampling technique, which is a determination and sampling technique determined by the researchers with certain considerations. The sample consists of 34 students. Circle material used in research. Research instrument as many as 5 items about problem solving and resilience statement scale as many as 40 statement. The conclusion gained is that there are difficulties experienced by students in solving problem solving problem and there is correlation between mathematical resiliency to student problem solving ability equal to 0,649.

scholarly journals MOTIVASI MEMBELI PRODUK PEMUTIH WAJAH PADA REMAJA PEREMPUAN

2017 ◽  
Vol 6 (1) ◽  
pp. 7
Author(s):  
Maria Sriyani Langoday ◽  
Flora Grace Putrianti
Keyword(s):  
Correlation Analysis ◽  
Young Woman ◽  
Sampling Technique ◽  
The Self ◽  
Self Control ◽  
Self Concept ◽  
Purposive Sampling ◽  
The University ◽  
Relationship Of ◽  
The Relationship

Abstract The purpose of this study is to determine the relationship of self-concept and motivation to buy whitening products among girls.Subjects in this study were young woman using cosmetic whitening facial at the University Sarjanawiyata Tamansiswa Yogyakarta. The sampling technique was purposive sampling with the Product Moment Correlation analysis method.The results of the self-concept of variable data with the motivation to buy whitening products shows the value of (r) 0.725 with P = 0.000 (P <0.01). Based on the results of the analysis can be stated that the hypothesis is accepted. This means that self control variables contribute effectively to the motivation to buy whitening products by 52.5% and 47.5%. Influenced by other factors. Keywords: Motivation Buy Face Whitening Products, Self Concept.

scholarly journals The Role of Trust in Relationship of Leadership Style and Organizational Effectiveness: Mediation Mechanism

2020 ◽  
Author(s):  
S. Martono . ◽  
Vini Wiratno Putri ◽  
Nury Ariani Wulansari ◽  
Moh. Khoiruddin .
Keyword(s):  
Organizational Effectiveness ◽  
Leadership Style ◽  
Management Practice ◽  
Hypothesis Test ◽  
Sampling Technique ◽  
Path Coefficient ◽  
Non Profit ◽  
Relationship Of ◽  
The Relationship

This study is aimed at explaining the effect of leadership style to organizational effectiveness through trust as mediators. The number of samples of this study was 267 university employee respondents at Universitas Negeri Semarang. The sampling technique used was purposive sampling. The methods of collecting data used were observation, interview, and questionnaire. Hypothesis test used was path coefficient value which was done through t-test using Smart PLS 3.0. Leadership style directly gave positive effect to organizational effectiveness. Furthermore, mediation mechanism had been proven that trust gave important role in determining the relationship between leadership style and organizational effectiveness. This study was expected to contribute to management practice in the field of university in which university need pay attention to effective leadership to encourage employees’ trust. As a result, trust can encourage organizational effectiveness. This study also gave contribution to the development of leadership style literature and organizational effectiveness in the field of non-profit organization. This study attempted to answer the need of previous study by adding mediation variable. It was expected that mediation could explain the mechanism of the relationship between leadership style and organizational effectiveness completely. The scope of this study took university field that become novelty and generalization for the previous study.  

scholarly journals HUBUNGAN KANDUNGAN BAHAN ORGANIK SEDIMEN DENGAN KELIMPAHAN INFAUNA PADA KERAPATAN LAMUN YANG BERBEDA DI PANTAI BANDENGAN JEPARA

2016 ◽  
Vol 5 (3) ◽  
pp. 135-141
Author(s):  
Ucik Ramita Sofiana ◽  
Bambang Sulardiono ◽  
Mustofa Nitisupardjo
Keyword(s):  
Organic Matter ◽  
Random Sampling ◽  
Organic Materials ◽  
Sampling Technique ◽  
Solid Density ◽  
Regression Test ◽  
Positive Meaning ◽  
Relationship Of ◽  
The Relationship ◽  
Seagrass Density

ABTRAK Pantai Bandengan kabupaten Jepara merupakan salah satu habitat bagi lamun. Tegakan daun lamun yang rapat berperan penting untuk mengurangi energi gelombang sehingga dapat mengendapkan partikel organik dan nutrien yang menjadi sumber makanan dari biota infauna. Penelitian dilakukan pada bulan Maret 2016 di Pantai Bandengan yang bertujuan untuk mengetahui hubungan kandungan bahan organik sedimen dengan kelimpahan infauna pada kerapatan lamun yang berbeda di pantai Bandengan Jepara. Metode yang digunakan yaitu metode Purposive Random Sampling yaitu teknik pengambilan sampel yang digunakan apabila sampel yang akan diambil memiliki pertimbangan tertentu. Hasil penelitian menunjukkan terdapat 1 jenis lamun yang ditemukan di Pantai Bandengan  yaitu Thalassia sp dengan kerapatan masing – masing stasiun 1840 ind/5m2, 1200 ind/5m2, 890 ind/5m2. Kandungan bahan organik sedimen pada kerapatan padat, sedang dan jarang berturut – turut adalah 9.81%, 8.00%, 5.71%. Kelimpahan infauna di kerapatan lamun  padat, sedang dan jarang di Pantai Bandengan 26315 ind/m3, 22262 ind/m3, 18304 ind/m3. Berdasarkan hasil uji regresi diperoleh persamaan y = 984.52x - 288.5, menunjukkan bahwa hubungan bersifat positif, artinya setiap kenaikan kerapatan lamun diikuti oleh kenaikan kandungan bahan organik tetapi tidak diikuti oleh kelimpahan infauna. Nilai R² = 0.164206, dan nilai r = 0.405224 menunjukkan bahwa hubungan kandungan bahan organik dengan kelimpahan infauna memiliki keeratan  sedang, karena nilai keeratannya 40.52%. Kata Kunci: Bahan Organik, Kelimpahan Infauna, Kerapatan Lamun , Pantai Bandengan  ABSTRACT The Coastal Bandengan was one of habitat for seagrass. Density seagrass lived could redocing wave energy, so that caould precipitate particles and organic nutrients into the food source of the biota infauna. Research conducted in March 2016 at the Coastal Bandengan this experiment knowed the relationship of the content of organic of sediment  matter with infauna abundance on the density of different at Coastal seagrass Bandengan Jepara. The method used Purposive Random Sampling methods i.e., the sampling technique when a sample taken has certain considerations. The results showed 1 type of seagrass found at Coastal Bandengan i.e. Thalassia sp with the density of each station 1840 ind/5m2, 1200 ind/5m2, 890 ind/5m2. Organic matter of sediment in solid density, medium rare and successive – co-designer were 9.81%, 8.00%, 5.71%. The abundance of infauna in the dense seagrass density, medium rare in the coastal Bandengan 26315 ind/m3, 22262 ind/m3 18304/m3. The results of the regression test obtained the equations y = 984.52 x-288.5, that relations are positive, meaning that increased the density of the seagrass were following by the increasing organic matter, but didn’t follow by an abundance of infauna. The value of R² = 0.164206, and the value of r = 0.405224, that the relationship of the content of organic materials with the abundance of infauna had medium, because the value of the correlation of 40.52%. Keywords: Organic Materials; Epifauna Abundance; Seagrass Density Bandengan Beach

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