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All Journal HAYATI Journal of Biosciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences Aquacoastmarine Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) JURNAL ENGGANO Omni-Akuatika Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat OLDI (Oseanologi dan Limnologi di Indonesia) Indonesian Journal of Agricultural Research Indonesian Journal of Limnology Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan AQUACOASTMARINE: Journal of Aquatic & Fisheries Sciences Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine
Rusdi Leidonald
Department Of Aquatic Resources Management, Agriculture Faculty, Universitas Sumatera Utara, Medan, 20155. Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Veterinary Other

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LAJU PRODUKTIVITAS PRIMER PERAIRAN RAWA KONGSI KECAMATAN PATUMBAK KABUPATEN DELI SERDANG PROVINSI SUMATERA UTARA (The Rate of Aquatic Primary Productivity in Kongsi Swamp Patumbak District of Deli Serdang Regency North Sumatra) Dinarta Pardede; Ternala Alexander Barus; Rusdi Leidonald
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The Rate of Aquatic Primary Prod uctivity (RAPP) is the formation of organiccompounds from inorganic compounds with the aid of sunlight and chlorophyll. KongsiSwamp is stagnant water system utilized by people for agriculture, livestock, fishingand waste disposal that cause a negative effect. This study aims to know RAPP in RawaKongsi and to know RAPP relationship with chlorophyll-a and physical chemistryparameters of water. The study took place from February until March 2016. Thesampling location choosed by purposive sampling which divided into 4 stations basedon different activities. The analysis were method water quality, chlorophyll-a, primaryproductivity and Pearson correlation. The results of water quality analysis showed thatKongsi swamp was moderately polluted based on the average of DO 2,28 mg/L, thevalue average of aquatic primary productivity Kongsi swamp 487,968 mgC/m3/hari,levels trophic based on the value average of chlorophyll-a 2.461 mg/m3 including thecategory of low fertility (oligotrophic). The correlation between primary productivitywith chlorophyll-a and chemical physics of water in Kongsi Swamp is very strong.Keywords: Aquatic Primary Productivity, Chlorophyl-a, Kongsi Swamp, Water Quality
KESESUAIAN PEMANFAATAN RUANG DAN DAMPAK KONVERSI MANGROVE TERHADAP PERUBAHAN KUALITAS PERAIRAN DI MUARA DESA BAGAN DELI KECAMATAN MEDAN BELAWAN Tawakal Kusuma; Darma Bakti; Rusdi Leidonald
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The spatial planning is important to build a region in order to be a suistinable development. Thedeviation of space utilization which inappropriate with the spatial planning of local government willcause water quality degradation. Bagan Deli Village is a settlement with commonly high inhabitant, sothere has been deviation of space utilization, which cause degradation water quality by domesticpollution and loss of mangrove function as pollution controller. The aim of this research was toobserved deviation of space utilization in Bagan deli Village and impact of mangrove deforestationtoward water quality. it was held on March 2016 till May 2016. Water sampling done using purposivesampling method. Secondary data obtained from department of spatial and building such as MedanBelawan spatial planning map. From this research known there has been deviation of space utilizationsuch as irregulation use of river border and mangrove deforestation which has broke law 26 of 2007,law 1 of 2014 and local government regulation No. 13 of 2011, in addition there has been degradationof water quality became lightly polluted based on US-EPA (Environmental Protection Agency)calculation compared with water quality standard class III in ministerial decree No. 115 of 2003Keywords : Spatial plans, mangrove deforestation, water quality
Kajian Bahan Organik Dasar Perairan di Rawa Kongsi Kecamatan Patumbak Kabupaten Deli Serdang Provinsi Sumatera Utara (Study of Bottom Waters Organic Materials at Kongsi Swamp Patumbak District of Deli Serdang Regency, North Sumatra) Ratna Dewi Sinaga; Hesti Wahyuningsih; rusdi leidonald
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Organic materials are one of the environment fertility indicator both on land and sea. Ground’s organic matter content reflected the soil and waters quality to be a factor in an environment of waters quality. Kongsi swamp is an inundated inland waters which is used for fishing, farming, agricultural, and household waste disposal that impacted surroundings environment. This study aimed to assess the organic matter content and its relationship with the availability of nitrogen and phosphorus nutrients in Kongsi swamp. The study took place in February – April 2016. The method used to determine the location was purposive sampling which were divided into four stasions based on different activities. Analysis was conducted on substrate with three segments based on different depth include C organic, total nitrogen, total phosphorus, soil texture and pH, physical – chemical water analysis.The result showed that Kongsi swamp waters was in medium category with a total of nitrogen range from 0,05 to 0,56%, highest C organic was 3,9% and highest phosphorus was 27 ppm at the third stasion showed high organic matter content with a lot of Eceng Gondok. Using Pearson correlation analysis, accumulation of organic materials on the bottom waters sediment had a stronger relationship with the nitrogen availability which was very strong compared to the phosphorus availibility in each segment.Keywords : Kongsi Swamp, Organic Material, Nitrogen, Phosphorus Pearson Correlation Analysis
PENGARUH PEMBERIAN ENZIM PAPAIN PADA PAKAN TERHADAP KELANGSUNGAN HIDUP DAN PERTUMBUHAN BENIH IKAN LELE DUMBO (Clarias gariepinus) Effect of Enzyme Papain Giving Within Food Against Survival and Growth on Dumbo Catfish (Clarias gariepinus) Sumarwan Syahputra; Syammaun Usman; Rusdi leidonald
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Intensive Dumbo catfish farming covers the environment, water quality, and feeding. Feeding using the appropriate dose of enzyme papain can determine the growth and survival rate of dumbo catfish. This research aims to know the effect of giving enzyme papain to the catfish and also to determine the amount of enzyme papain which is effective to growth and survival rate of the catfish. This research was conducted from December 2015 - January 2016 in the Laboratory of Aquaculture, Water Resource Management, Faculty of Agriculture, University of North Sumatra. The results showed that the enzyme papain can speed up the length and weight growth of catfish and also increase the survival rate of catfish. The enzyme papain also significantly affects to the growth of length and weight catfish, but it does not have any effect on the survival rate of catfish. The amount of enzyme papain which can effectively affect the length and weight growth of catfish is about 2.5% of the enzyme.Keywords: Catfish, Growth, Cultivation, Survival, Enzyme papain
DEKOMPOSISI SERASAH DAUN Avicennia marina DI PERAIRAN PULAU SEMBILAN KECAMATAN PANGKALAN SUSU KABUPATEN LANGKAT PROVINSI SUMATERA UTARA Saleha Bako; Yunasfi Djayus; Rusdi Leidonald
AQUACOASTMARINE Vol 4, No 4 (2016): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The mangrove litter which has been decomposed contributes organic matter as food source for many species of fish and other organisms in the mangrove ecosystem. The purpose of this research is  to know the decompositio of A. marina litter leaf and to know the nutrient content of carbon (C), nitrogen (N) and phosphorus (P) in the A. marina litter leaf which been released during the decomposition time. This research was done at Pulau Sembilan, Pangkalan Susu Regency of Langkat North Sumatra Province during March until Mei  2016. This research used purposive sampling method at three stations and the determination of the station is done by seeing the availability of A. marina at the Pulau Sembilan. The results showed that the decomposition of A .marina litter leaf on day 75 are 11,13 in stasiun I, 10,94 in station II and 10,50 in III station. The fastest decomposition is the station I was  11,13 and the slowest decomposition is the station III was  10,50. The carbon during decomposition in 75 days are 10,46% at station I, 10,75% at station II and  11,03% at station III. Nitrogen which been decomposed on day 75 are 0,98% in station I, 1,18% in station II and 0,10% in station III. Phosphorus during decomposition in 75 days are  0,10% in station I, 0,11%  in station II and 0,10% in station III. Keywords : Pulau Sembilan, Decomposition, Avicennia marina 
Pengaruh Aktivitas Masyarakat Pesisir Terhadap Kondisi Ekosistem Mangrove di Pantai Desa Sialang Buah KecamatanTeluk Mengkudu Kabupaten Serdang Bedagai Ade Artia Gultom; Darma Bakti; Rusdi Leidonald
AQUACOASTMARINE Vol 4, No 4 (2016): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Sialang Buah village on the coastal areas that the population dominantly depent on the potential of the region for living, such as fishing, fish farming, settlement and the place tourism. There are problems from exploiting activities on the Sialang Buah village’s potential that affect the condition and existance of coastal ecosystem espencially mangrove. This research aims to determine the effect of community activities againts mangrove ecosystem condition at Sialang Buah village. It was conducted from may to june 2016. The transformation from structure of the land can be seen by the RGB on satelite imagery of Landsat 7 TM and Landsat 8 using Er Mapper 7.1 and arcgis 10, other than that, the sampling data was helped by questionnaries and interviews on public and tourists with purposive respondent, also using the socioeconomic survey method which is total value of scoring (TNS), the result showed that the land change are happend since 2003 to 2016, TNS obtained from socioeconomic factor is 200 indicating the factor influance the destruction of mangrove forest.Keywords: Community Activities, Coastal Communities, Mangrove, Sialang Buah Village
KEANEKARAGAMAN MAKROZOOBENTHOS SEBAGAI BIOINDIKATOR KUALITAS PERAIRAN ESTUARI PERCUT SEI TUAN KABUPATEN DELI SERDANG Makrozoobenthos Diversity as Bioindicators of Water Quality of the Estuary Percut Sei Tuan District Deli Serdang Cut Hannelida Eriza; Yunasfi Djayus; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Percut Sei Tuan Estuary has 3,820 meters length, is influenced by the tide and the shipping line and tourist activity. Macrozoobenthos diversity and the measurement of physical and chemical factors is one of the parameters used to determine changes in water quality in the estuary Percut Sei Tuan. The purpose of this study was to determine the physical and chemical waters in relation to water quality standards under PP No. 82 of 2001 with Storet method as well as the density and macrozoobenthos diversity. This research was conducted over two months, from March until April 2016 Percut Sei Tuan estuary District of Deli Serdang North Sumatera province. Percut Sei Tuan Estuary is categorized at third class water classificatized that can be used for water recreation facilities, fishing ponds and water tourism and for irrigation. Pollution level belongs to the class C is lightly polluted accordance with Method Storet. Values Index Diversity (H') macrozoobenthos obtained at each research station : station 1 is 1,375, station 2 is 1,444 station 3 is 2,050. These results indicate that the diversity of macrozoobenthos was moderate. Pearson correlation analysis results showed that the temperature, salinity and pH highly correlated, BOD5 classified as moderate, and light penetration is low DO and COD relatively very low correlated.Keywords: Estuaries Percut Sei Tuan, Macrozoobenthos Biodiversity, Water Quality 
BIOAKUMULASI LOGAM BERAT Cd DAN Pb PADA API-API (Avicennia alba) DI DESA BAGAN DELI KECAMATAN MEDAN BELAWAN (Bioaccumulation of Heavy Metals Cd and Pb on Api-api (Avicennia alba) in Bagan Deli Village, District of Medan Belawan) Gilang Pradifta S; Yunasfi Djayus; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Many activities by human and industry in Bagan Deli Village and along the Deli river could be caused the present of heavy metal in acuatiq environmental and could be harm to aquatic organism. The purpose of researching in to analyze the content of heavy metals Cadmium (Cd) and Plumbum (Pb) on roots, barks, leaves and knowing the ability of A. alba in accumulating heavy metals. The sample was located in Bagan Deli Village, District of Medan Belawan. The analysis of heavy metals Cd dan Pb was carried out in a Balai Riset dan Standarisasi Industri Medan, by using the metod Atomic Absorption Spectrophotometry (AAS). The results of this research indicated that the heavy metal content of Pb in the roots, barks, and leaves is larger more than Cd. The result of this research, based on the bioconcentration factor, the ability of A. alba in accumulate heavy metals Cd and Pb categorized low, the average value of BCF Pb was 21,38 and BCF Cd was 3,66. The results of chemical physics parameter in Bagan Deli Village stilled in the normal range. Concentrations of Cadmium (Cd) in the water column at each station in average 0,0013 mg/l and the concentration of lead metal (Pb) in the water column 0,15 mg/l. Concentrations of Cadmium (Cd) in the sediment column at each station in average 0,002 mg/kg and the concentration of lead metal (Pb) in the sediment column 11,38 mg/kg. These results indicated the concentration of heavy metal Cu and Pb in the water column had exceeded the quality standard, while concentrations of Cu and Pb in sediments had not exceeded the quality standard.Keywords : Avicennia alba, Heavy Metal, Cadmium (Cd), Plumbum (Pb), AASPENDAHULUANMeningkatnya industri memberikan dampak
KONTRIBUSI WISATA PERAIRAN BUKIT LAWANG TERHADAP SOSIAL EKONOMI MASYARAKAT DAN INDEKS KESESUAIAN WISATA DI KECAMATAN BAHOROK KABUPATEN LANGKAT SUMATERA UTARA The Contribution of Aquatic Tourism to Socioeconomic society and Tourism Sustainability index in Azvi Mauriza Damanik; Yoes Soemaryono; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 2 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The river is a stream of water across the surface of the earth and forming grooves or morphology stream water flow and has a good prospect to be developed as a nature tourist attraction. Langkatdistrict have a potential area into a tourist attraction that is Bukit Lawang.This study aims to determine the role of ecotourism related to socioeconomic, knowing the water quality associated with Capability Areas and Tourism Suitability Index, and knowing the strategy of sustainable management welfare of the public Bukit Lawang.This study Hwas held for one month, in January 2017 in the village of Bukit Lawang Bahorok Langkat District of North Sumatra.The results showed that the water qualityfor 6 parameters observed is good and in accordance with the carrying capacity of the region and can be seen in value to the activity of natural bath is 125 people / day,activity relaxing seating 240 people / day and rafting activities 105 / day as well as an index of conformity travel with the results of S2 (Match), the linkage with economic social travel the waters can be seen from the results of Return Cost Ratio R / C of value ≥ 1 where business mean to be positive and feasible to continue the effort lodging, souvenir shop, rafting guides, tire leasing, rental stalls except the restaurant business travel which results Benefit Cost Ratio B / C ≤ 1 means the business is worth negative and is not feasible to continue.Keywords: Bukit Lawang, Water Quality, Revenue, Return Cost Ratio R / C.
PRODUKTIVITAS PRIMER FITOPLANKTON DI SUNGAI BETIMUS KABUPATEN DELI SERDANG PROVINSI SUMATERA UTARA Primary Productivity of Phytoplankton in Betimus River Deli Serdang Regency North Sumatra Province Johannes Keynes Harianja; Hesti Wahyuningsih; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 2 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The research about Aquatic Primary Productivity needs to be done, it is because by knowing the value of primary productivity in the waters, will be known fertility waters. The research was done in May 2016. The aim of this research was to knowing the value of Primary Productivity of phytoplankton in Betimus River at Deli Serdang and to analyze its relationship with the physical and chemical factors. The sampling station was determinated by Purposive sampling method. Samples were collected from 3 sampling station. The result showed that of primary productivity range from 100,096-250,240 mg C/m3/day, the highest value was at station 3 and the lowest value was at station 1. Analysis of pearson correlation shows that the factors which have a very strong relationship with the primary productivity are DO, phosphate, nitrate, and the abundance of phytoplankton, factor which has a strong relationship with pimary productivity is temperature, and factor which has a moderate with pimary productivity is pH.Key Words: Primary Productivity, Purposive sampling method, Phytoplankton.
Co-Authors Achmad Taher Daulay Ade Artia Gultom Adolf C Sinambela Ahmad Muhtadi Ahmad Muhtadi Ahmad Muhtadi Ahmad Muhtadi Rangkuti Ashshiddiq, Muhammad Arif Azvi Mauriza Damanik Cut Hannelida Eriza Darma Bakti Daulay, Achmad T. Desrita Desrita Dewinta, Astrid Fauzia Dinarta Pardede DWI SURYANTO Dwy Murphy Banjarnahor Elisa Lestari Simanjuntak Eri Yusni Eri Yusni Eriyusni Eriyusni Fadhilah, Amanatul Fadhilah, Amanatul Fenlya Meitha Pasaribu Fransiska Falentina Naibaho Frizca Junelda Karlyssa Ghanang Dhika Aria Gilang Pradifta S Hapiz Fahrezi Hsb Harahap, Cici Maulidiah Hasan Sitorus Hesti Wahyuningsih Ipanna Enggar Susetya Ipanna Enggar Susetya, Ipanna Enggar Ira Mutiara Lumbangaol Irfan Al Husainy Irwanmay Irwanmay Ishak, Mohd Yusoff Ivan Sinaga Johannes Keynes Harianja Julia Syahriani Hasibuan Junaidy, Adil Kamto Triwibowo Manalu, Natasya Rebekka Manullang, Kristina Natalia Manurung, Bunga Ulita Maria Christie Sembiring Mariany Siagian Meisara Karolina Memory Oktavia Sihombing Miswar Budi Mulya Mohammad Basyuni Muhammad Hilman Zarkasih Muhammad Rakezza Rifzy Rifzy Muhtadi, Ahmad Muhtadi Nur Rohim Nurul Azmi Pindi Patana Putra S. A Sihaloho Qadar Hasani Qadar Hasani Rambe, Ade Septiya Jumiani Rasyid Kurnia Nasution Ratna Dewi Sinaga Rawiyatul Hikmah Rizal Mukra Rizka Amelia Rudi H. Siregar Sabrilianti Yahra Saleha Bako Sandy, Sarah D. Sangap Ginting Santa Odilia Permatasari Nainggolan Saville, Ramadhona Shusi Novita Siregar Siahaan, Vania S.P Silaban, Matthew Federich Willyam Simamora, Lauran F.M. Siregar, Rizki Febriansyah Siregar, Rizky Febriansyah Sumarwan Syahputra Syammaun Usman Tantri Ayu Syahfitri Tawakal Kusuma Ternala Alexander Barus Tiur Natalia Manalu Vindy Rilani Manurung Yoes Soemaryono Yudha Perdana Putra Lubis Yunasfi Djayus yunasfi yunasfi Yuntha Bimantara Zulham A. Harahap Zulham Apandy Harahap Zulham Apandy Harahap Zulkifli, Ahmad