scholarly journals Kelimpahan Mikroplastik Pada Sedimen Ekosistem Terumbu di Taman Nasional Laut Karimunjawa

2020 ◽  
Vol 24 (1) ◽  
pp. 1-6
Author(s):  
Sakti Imam Muchlissin ◽  
Prastyo Abi Widyananto ◽  
Agus Sabdono ◽  
Ocky Karna Radjasa

Eleven billion microplastic particles are entangled in coral reef ecosystems in the Asia - Pacific Region. The presence of microplastics in coral reef ecosystems in Indonesia, especially in the Karimunjawa Marine National Park, was found as many as 22.7 and 12.8 particles / kilogram samples in two locations. The presence of microplastics in coral reef ecosystems allows threats to the health of coral reefs. Therefore, the importance of this study is to complement the data on the distribution of microplastics in the Karimunjawa Marine National Park as an initial step for conservation and mitigation of the impact of plastic/ microplastic pollution. Sampling using purposive sampling method. Sediment collection using SCUBA set and sediment grab at a depth of 3 - 5 meters. ± 1000 g of sediment was taken and stored in double zip lock plastic. The samples were then analyzed by microplastics in the Tropical Marine Biotechnology Laboratory, FPIK UNDIP. The results showed that the greatest abundance of microplastics was in the Karang Tengah area with the number of microplastics 96 particles / kilogram, and the farthest in the Ujung Gelam and Lego was 11 particles / kilogram. Research shows that the abundance of microplastics in areas with human activities such as tourism, ports, and boat routes has a high abundance compared to conservation areas or areas with little human activity. It is hoped that the available data from this type of research will be able to produce decisions on conservation measures in Karimunjawa Marine National Park.  Sebelas miliar partikel mikroplastik terjerat pada ekosistem terumbu karang di Kawasan Asia – Pasifik. Keberadaan mikroplastik pada ekosistem terumbu karang di Indonesia, khususnya di Taman Nasional Laut Karimunjawa, ditemukan sebanyak 22,7 dan 12,8  partikel/kilogram sampel di dua lokasi. Keberadaan mikroplastik di ekosistem terumbu karang memungkinkan adanya ancaman terhadap kesehatan terumbu karang. Oleh karena itu pentingnya penelitian ini untuk melengkapi data sebaran mikroplastik di Kawasan Taman Nasional Laut Karimunjawa sebagai langkah awal konservasi dan mitigasi dari dampak polusi plastik/mikroplastik. Pengambilan sampel menggunakan metode purposive sampling. Pengambilan sedimen menggunakan SCUBA set dan sediment grab pada kedalaman 3 – 5 meter. Sedimen diambil ± 1000 gr dan disimpan dalam plastik double zip lock. Sampel kemudian dianalisis mikroplastik di laboratorium Tropical Marine Biotechnology, FPIK UNDIP. Hasil menunjukkan bahwa kelimpahan mikroplastik terbesar pada daerah karang tengah dengan jumlah mikroplastik 96 partikel/kilogram, dan terkecil pada perairan ujung gelam dan lego yaitu sebanyak 11 partikel/kilogram. Penelitian menunjukkan bahwa kelimpahan mikroplastik didaerah dengan aktivitas manusia seperti pariwisata, pelabuhan, dan jalur kapal memiliki kelimpahan tinggi dibanding dengan daerah konservasi atau daerah dengan aktivitas manusia yang kecil. diharapkan dengan data yang tersedia dari penelitian sejenis ini, mampu menghasilkan keputusan terhadap langkah konservasi di Taman Nasional Laut Karimunjawa. 

2019 ◽  
Vol 19 (3) ◽  
pp. 602
Author(s):  
Mila Triana Sari ◽  
Hartati Sandora ◽  
Haflin Haflin

The solitory custom community of Suku Anak Dalam (SAD) is one of group society whose life are depend to the natural researches in the forest. It is needed an effort to provide service in order to meet their needed, especially health care service for improving their quality of life in the solitary custom Community of Suku Anak Dalam.  This research was conducted in order to know about the persepsion of SAD society towards Health Care Service in the Working Area of Puskesmas Pematang Kabau. This research was conducted on Januari until February 2017 for the purpose of getting understanding about persepsion of solitary custom Community of Suku Anak Dalam towards health care service, the number of participants were 15 people. This is qualitative research with purposive sampling method. The research instruments were indepth interview and interview guide. The result of the research analyzed by using Colaizzi Technique. The finding of the research showed five themes:  the reason of SAD Society in terms of receiving care service. Secondly, the respond of SAD society, thirdly, about the changing and the impact of SAD society. Fourth, the meaning of health care service to SAD society. And fifth the experience of SAD society towards health and service.SAD society gave respond about perception or possitive support towards Health Care Service.


2021 ◽  
Vol 2 (2) ◽  
pp. 17-22
Author(s):  
Audy Tri Saputra Meha ◽  
Sugeng Hariadi

The purpose of this study is to examine the impact of corporate social responsibility and financial performance on firm value with managerial ownership as an intermediary variable. Corporate social responsibility and financial performance are used as independent variables. Meanwhile, firm value is used as the dependent variable. Managerial ownership is used as a moderating variable in this study. Manufacturing companies in the consumer goods industry sector listed on the Indonesia Stock Exchange in the 2017-2018 period are the population in this study. Purposive sampling method is a sampling method used in this study by producing 27 companies with 2 observations to produce a sample of 54. Multiple linear regression and moderation regression analysis are the analytical methods used in this study. This research shows that corporate social responsibility and financial performance have a positive and significant effect on firm value. Managerial ownership has a negative and significant effect on firm value. Then corporate social responsibility and financial performance with managerial ownership as the moderating variable have a positive and significant effect on firm value.     Tujuan penelitian ini adalah untuk menguji dampak corporate social responsibility dan kinerja keuangan pada nilai perusahaan dengan kepemilikan manajerial sebagai variabel perantara. Corporate social responsibility dan kinerja keuangan digunakan sebagai variable Independen. Sedangkan nilai perusahaan digunakan sebagai variable dependen. Kepemilikan manajerial yang digunakan sebagai variabel moderating dalam penelitian ini. Perusahaan manufaktur sektor industri barang konsumsi yang terdaftar di Bursa Efek Indonesia pada periode 2017-2018 merupakan populasi dalam penelitian ini. Metode purposive sampling merupakan metode penentuan sampel yang digunakan dalam penelitian ini dengan menghasilkan sebanyak 27 perusahaan dengan pengamatan selama 2 sehingga menghasilkan sampel sebanyak 54. Regresi linier berganda dan analisis regresi moderasi merupakan metode analisis yang digunakan dalam penelitian ini. Dari penelitian ini menghasilkan bahwa corporate social responsibility dan kinerja keuangan berpengaruh positif dan signifikan terhadap nilai perusahaan. Kepemilikan manajerial berpengaruh negatif dan signifikan terhadap nilai perusahaan. Kemudian corporate social responsibility dan kinerja keuangan dengan kepemilikan manajerial sebagai variabel moderating berpengaruh positif dan signifikan terhadap nilai perusahaan.


2021 ◽  
Vol 27 ◽  
pp. 255-272
Author(s):  
Heri Sudarsono ◽  
Jannahar Saddam Ash Shidiqie ◽  
Yunice Karina Tumewang

Purpose – One purpose of this study is to investigate the determinants of young Muslim tourist generation's interest to recommend and visit halal tourist attraction. Design – The interest of young Muslim tourist generation to recommend and visit Halal attractions is influenced by knowledge (KNO), religiosity (REG), perceived behavioral control (PBC), subjective norms (SN) and attitudes (ATT). Methodology – The respondents are the young Muslim generation living in 27 provinces in Indonesia and were selected using the purposive sampling method. The use of purposive sampling method is to support this research where information is obtained from specific target groups. Approach – It was found that in the intention of local Muslim tourists to select and recommend halal tourist destinations, several factors influence their intention such as knowledge, religiosity, perceived behavioral control, subjective norms and attitudes. Moreover, knowledge and religiosity influence tourists' attitude to visit halal tourist destinations. Originality of the research – This study contributes to behavioral theory and extends the application of the theory of Planned Behavior (TPB) in the context of halal tourist studies.


2014 ◽  
Vol 19 (2) ◽  
pp. 81 ◽  
Author(s):  
Anna Ida Sunaryo Purwiyatno ◽  
Fitri Agustriani

Taman Nasional Sembilang merupakan salah satu taman nasional yang terletak di Sumatera Selatan dan menjadi kawasan mangrove terbesar di barat Indonesia. Sebagian besar wilayah mangrovenya telah mengalami alih fungsi menjadi tambak pasang surut. Hal ini menyebabkan timbulnya kekhawatiran kerusakan mangrove di taman nasional. Salah satu upaya untuk mempertahankan wilayah mangrove adalah dengan melakukan sistem silvofishery, yaitu penanaman mangrove dan budidaya bandeng dilakukan secara bersamaan di tambak. Penelitian ini bertujuan untuk menganalisis kualitas air dan kondisi nutrien di tambak di daerah restorasi silvofishery di Taman Nasional Sembilang. Penelitian dilakukan dengan metode purposive sampling di tambak silvofishery, tambak non-silvofishery, dan badan air sungai di seluruh wilayah taman nasional. Pengukuran dilakukan terhadap parameter kualitas air dan kandungan nutrien khususnya nitrat dan fosfat. Hasil penelitian menunjukkan bahwa kehadiran tanaman mangrove di daerah tambak mampu memperbaiki kandungan oksigen dan pH air tambak. Mangrove juga menunjukkan kemampuan dalam mengikat nitrat yang secara tidak langsung akan mencegah air tambak dari polusi. Namun, kandungan fosfat tinggi menunjukkan bahwa tanaman mangrove muda di wilayah restorasi belum mampu mengikat nutrien ini secara signifikan. Hasil penelitian ini menunjukkan bahwa hutan mangrove sangat bermanfaat bagi kegiatan budidaya tambak karena kemampuannya dalam menyerap polutan nutrient. Kata kunci: silvofishery; kolam; nitrat; fosfat; Taman Nasional Sembilang Sembilang National Park is one of the national parks which is located in South Sumatera and became the largest mangrove area in western Indonesia. Most of the mangroves area in this national park has been experiencing conversion to be tidal ponds. This has resulted in concerns on mangrove forest destruction in the park. One of the efforts to maintain mangroves area is by applying silvofishery system, which is mangrove planting and cultivation of milkfish in ponds performed simultaneously. This study aims to investigate the water quality and nutrient condition in the ponds in the area of silvofishery restoration at Sembilang National Park. The study was conducted by purposive sampling method in the silvofishery ponds, non-silvofishery ponds, and river water bodies throughout the park. Measurements conducted on water quality parameters and nutrient content, especially nitrate and phosphate. The results showed that the presence of mangrove in the ponds area is able to improve the oxygen content and pH of pond water. Mangroves also demonstrated the ability to bind nitrates which indirectly will prevent the pond water from pollution. However, the high phosphorus content showed that young mangrove plants in the restoration area have not been able to significantly bind the of this nutrient. The results of this study showed that mangrove forests are very beneficial for aquaculture activities because of its ability to absorb nutrient pollutants. Keywords: silvofishery; ponds; nitrate; phosphate; Sembilang National Park


2014 ◽  
Vol 3 (3) ◽  
pp. 241-251
Author(s):  
OT Aladesanmi ◽  
IO Ogundari ◽  
OG Oladipo ◽  
OE Ilevbare ◽  
GA Ali

In the past few decades, concern for the environment has increased significantly with evidences of change in perception of people's values and attitudes towards the environment. This study presents the results of a survey carried out among postgraduate students undergoing training in environmental and non-environmental fields with the aim of comparing their environmental sustainable behaviour. The purpose of the study was to evaluate the impact of environmental training on the postgraduate students? awareness, perceptions and behaviours with focus on the attitudes of the respondents towards environmental sustainability, and how these attitudes affect their behaviour. A purposive sampling method was used to obtain data using a semi-structured questionnaire. The respondents comprised of 50 and 47 postgraduate students undergoing training in environmental and non-environmental respectively. The data was subjected to statistical analysis using SPSS. The results of the study revealed that most of the students in environmental fields readily transferred the knowledge acquired in their training to a sustainable behaviour. DOI: http://dx.doi.org/10.3126/ije.v3i3.11083 International Journal of Environment Vol.3(3) 2014: 241-251


Profit ◽  
2021 ◽  
Vol 15 (02) ◽  
pp. 1-13
Author(s):  
Afrianti Elsye Vanomy

This study aims to determine whether MSMEs in Batam have implemented PP No. 23 of 2018 according to the form of business or business profile the impact of this rate reduction of this rate reduction on tax revenue at KPP Pratama Batam Selatan. Data obtained from distributing questionnaires via Google form and interviews and direct data collection at KPP Pratama Batam Selatan. The sampling method of this research is purposive sampling technique.and uses descriptive quantitative by investigating the influence of the MSME business profile variable on State Revenue through taxpayer compliance. State revenue data comes from PPh 4 paragraph 2 specifically for MSMEs with PP. No. 46 of 2013 and PP No. 23 of 2018 over period of 4 years, namely 2016 to 2019. And using regression and path analysis. So that the results of this study indicate that the business profile is significant on taxpayer compliance, as well as the significant result between taxpayer compliance with state revenue, but business profile has no significant effect on State Revenue, the effect is direct, but the results differ if the effect of business profile on State Revenue through compliance. The result of taxpayers is significant.


2017 ◽  
Vol 9 (2) ◽  
Author(s):  
Merna Surjadi ◽  
Sarton Sinambela

<p>Objectives of the research are to examine and analyze the impact of the profitability, size dan liquidity to capital structure of the manufacturing firm listed in Indonesia Stock Exchamge. Samples are taken by using purposive sampling method and research has been done on 105 observations. The result show that profitability and size do not have significant impact on firm capital structure. On the other hand, liquidity has significant impact on capital structure. The next research is suggested to be done by different sectors of the firm and use more variable independent in a longer period of time to get a more comprehensive result.</p><p><br />Keywords: capital structure, profitability, size, liquidity</p>


2020 ◽  
Vol 9 (2) ◽  
pp. 186-192
Author(s):  
Muhammad Eka Darmawan Rafsanjani ◽  
Agus Sabdono ◽  
Ali Djunaedi

ABSTRAK: Kerusakan terumbu karang merupakan permasalahan serius di laut saat ini. Kerusakan tersebut disebabkan oleh beberapa faktor salah satunya penggunaan pestisida. Salah satu jenis pestisida yang digunakan para petani yaitu pestisida triazofos. Penggunaan pestisida triazofos di sektor pertanian akan meninggalkan residu dan terbawa ke perairan melalui sungai dan saluran air. Residu pestisida triazofos diduga dapat menyebabkan kerusakan ekosistem terumbu karang. Tujuan dari penelitian yaitu untuk mengetahui potensi resistensi karang Porites sp. dan Galaxea sp. terhadap pestisida triazofos dari Perairan Pulau Panjang, Jepara. Metode yang digunakan untuk pengambilan sampel adalah purposive sampling method, untuk memperoleh isolat bakteri yang berasosiasi dengan karang Porites sp. dan Galaxea sp., dan metode experimental laboratoris untuk uji resistensi isolat bakteri. Kurva regresi larutan standar dengan persamaan y = 0,0057x + 0,1088 dipakai untuk menentukan konsentrasi pestisida triazofos. Nilai R² menunjukkan angka 0,8694 yang berarti secara umum data yang dihasilkan mempunyai validasi data yang baik. Konsentrasi pestisida triazofos digunakan dalam uji degradasi oleh bakteri sebesar 50 ppm. Nilai absorbansi yang dihasilkan sebanyak 0,5285. Hasil uji menunjukkan seluruh isolat yang digunakan bersifat resisten terhadap pestisida triazofos yaitu PPP 11, PPP 9, GPP 6, PPP 1, GPP 7, GPP 4. Isolat PPP 11 memiliki persen degradasi tertinggi sebanyak 99,67%, GPP 4 memiliki persen degradasi terenddah sebanyak 34,34%. Disimpulkan bahwa isolat bakteri asosiasi karang Porites sp. dan Galaxea sp. memiliki resistnesi terhadap pestisida triazofos. ABSTRACT: Damage to coral reefs is a serious problem at sea at this time. The damage is caused by several factors, one of which is the use of pesticides. One type of pesticide used by farmers is the triazophos pesticide. The use of triazophos pesticides in the agricultural sector will leave residues and be carried into the waters through rivers and waterways. Triazophos pesticide residues are thought to cause damage to coral reef ecosystems. The purpose of this study is to determine the potential of coral resistance Porites sp. and Galaxea sp. against triazofos pesticides from Panjang Island waters, Jepara. The method used for sampling is purposive sampling method, to obtain bacterial isolates associated with Porites sp. and Galaxea sp., and spectrophotometric methods for testing bacterial isolate resistance. Standard solution regression curves with the equation y = 0.0057x+ 0.1088 are used to determine the concentration of the triazophos pesticide. R² value indicates the number 0.8694 which means that in general the data generated has good data validation. The concentration of the triazofos pesticide used in the bacterial degradation test was 50 ppm. The absorbance value produced was 0.5285. The test results showed that all isolates used were resistant to triazophos pesticides namely PPP 11, PPP 9, GPP 6, PPP 1, GPP 7, GPP 4. PPP 11 isolates had the highest degradation percentages of 99.67%, GPP 4 had the lowest degradation percentages 34.34%. It was concluded that the bacterial isolates of Porites sp. and Galaxea sp. has triazofos pesticide resistance.


2019 ◽  
Author(s):  
sunreni

This research wanted to know about the potential bankruptcy of the Textile and Garment Company in the research period 2009-2011 due to the impact of the global financial crisis will begin to be felt at the end of 2008 and beginning of 2009. Each of these companies studied had losses two years. Research conducted only descriptive research that just gives an overview of the results of the analysis of the potential bankruptcy of the six companies of Textiles and Garments that meet criteria based on purposive sampling method using a model of the Altman Z-Score as a model to predict the potential bankruptcy of the enterprise Textiles and Garments.Result of this research are six of corporate sample has a potencial bankruptcy because each score of altman Z-score are small of 1,81. Solutions of that corporate is restrukture their financial corporate.


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