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LIMNOTEK
Published by BRIN Publishing
ISSN : 08548390     EISSN : 25498029     DOI : https://doi.org/10.55981/limnotek.xxxx.xxxx
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Engineering Environmental Science
The journal establishes an integrated understanding of the interface between natural processes of water resources and inland water ecosystems with their human domains. Incorporating broad themes concerning ecology of inland water ecosystems and perspectives regarding sustainable utilizations of the water resources. Science on inland water ecosystems is an applied multi/interdisciplinary field relating to efforts to monitor, manage, and restore both fresh and brackish water ecosystems. The journal thus underlines significant work that draws on and incorporates elements of hydrology, meteorology, ecology, limnology, ecological economics, and social environmental sciences related to water resources and inland water ecosystems. The journal allows for both monodisciplinary and interdisciplinary submissions and a broad range of methodological approaches, thus appealing to diverse readers. Specific research areas covered include: modeling the impacts of management scenarios (socio-economics-ecological-hydrological impacts); simulation of the alteration of the quality of inland water ecosystems (long-term data series); novel approaches for alternative utilization of inland water ecosystems; the development of novel indices/ criteria to assess the quality of inland water ecosystems; assessments of the economic value of inland water ecosystems’ ecosystem services; the advances of alternative governance to sustainably manage inland water ecosystems; progress on alternative conservation strategies for inland water ecosystems; the development of alternative technologies to mitigate impacts of anthropogenic activities on inland water ecosystems; the advances of technologies to rehabilitate and to restore the quality of inland water ecosystems, water disaster risks and disaster preparedness, resiliencies of water infrastructure and management. Further, research on water resources is concerned with the conservation of quantity and quality of water. Thus, topics related to water resources such: water resources management, water resources information system, water policies and planning, hydrology and hydrogeology, water quality and environment, hydraulics, water and wastewater treatment sustainability, resilience, and adaptation of water resources and infrastructure to uncertain and evolving environments, surface and groundwater resources will be important key part from the journal.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Proses Permukaan Bumi
Articles 8 Documents
 1 
Search results for , issue "vol. 27 no. 1 (2020)" : 8 Documents clear
Keanekaragaman Makrofita dan Fitoplankton di Waduk Gesek, Pulau Bintan, Kepulauan Riau Winny Retna Melani; Tri Apriadi; Febrianti Lestari; Yoga Oktaliandi Saputra; Asmadi Hasan; Mas Ayu Ritiah Mawaddah; Novi Fatmayanti
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.13371

Abstract

Waduk Gesek merupakan salah satu sarana penyedia air baku bagi masyarakat di Kota Tanjung Pinang, Pulau Bintan. Sejak tahun 2017, waduk ini sudah dipenuhi oleh berbagai tumbuhan air yang berpotensi mengganggu penyediaan cadangan air baku oleh PDAM. Penelitian ini bertujuan untuk mengetahui keanekaragaman makrofita dan fitoplankton serta kaitannya dengan kualitas perairan di Waduk Gesek. Pengambilan sampel dilakukan di tiga bagian waduk yang mewakili inlet, outlet, dan bagian tengah waduk. Sampel makrofita diambil menggunakan transek 1 x 1 m2, sedangkan fitoplankton diambil menggunakan net plankton dengan metode statis. Dari penelitian ini, fitoplankton yang dijumpai berjumlah 31 genera, terdiri dari 12 genera Bacillariophyta, 16 genera Chlorophyta, dan 3 genera Cyanophyta. Karakteristik parameter fisika dan kimia perairan waduk yang khas dengan pH yang cukup asam menjadikan Chlorophyta sebagai fitoplankton dengan kelimpahan terbesar di Waduk Gesek, dengan spesies predominan Zygnema sp. Penelitian ini juga menemukan tiga spesies makrofita, yaitu gulma Brazil (Egeria densa), rumput air Kanada (Elodea canadensis), dan kangkung (Ipomoea aquatica). Gulma Brazil merupakan makrofita yang memiliki kerapatan tertinggi. Kerapatan gulma Brazil yang tinggi di semua titik pengamatan mengindikasikan bahwa spesies ini memiliki kemampuan adaptasi paling baik terhadap kondisi lingkungan perairan di Waduk Gesek. Hal ini perlu diwaspadai karena apabila tidak dikendalikan, maka tanaman air ini dapat mengganggu operasional penyediaan air baku oleh pihak PDAM Tirta Kepri. Kerapatan makrofita yang tinggi, selain akan mengurangi kelimpahan fitoplankton, dikhawatirkan akan memicu peningkatan dekomposisi di perairan Waduk Gesek, sehingga menyebabkan pH semakin asam.
Pengaruh Pemanfaatan Lahan terhadap Kualitas Air Sungai Percut dengan Metode Indeks Pencemaran (IP) Machairiyah Machairiyah; Zulkifli Nasution; Bejo Slamet
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.13372

Abstract

Sungai Percut mengalir dari hulu Sibolangit dan melintasi Kota Medan menuju daerah hilir di Kecamatan Percut Sei Tuan. Sungai ini menjadi tempat pembuangan limbah dan sampah yang berdampak pada kualitas air. Penelitian ini menganalisis status mutu air untuk mengetahui pengaruh pemanfaatan lahan terhadap kondisi mutu air Sungai Percut. Pengambilan sampel air dilakukan di lima titik sampling dari hulu sampai ke hilir. Parameter yang dianalisis yaitu parameter fisika, kimia, dan biologi dengan metode Indeks Pencemaran (IP) sesuai dengan Keputusan Menteri Negara Lingkungan Hidup Nomor 115 Tahun 2003. Hasil penelitian menunjukkan bahwa status mutu air Sungai Percut tercemar ringan. Nilai IP tertinggi diperoleh di Titik 1 (daerah hulu) sebesar 3,55 akibat longsor yang terjadi sebulan sebelum penelitian dan hujan pada hari pengambilan sampel, diikuti dengan nilai IP sebesar 3,06 di Titik 5 (daerah hilir) akibat pemanfaatan lahan yang beragam di sekitar titik sampling seperti permukiman, pertanian, perkebunan, pertambakan, dan akumulasi beban pencemar yang berasal dari hulu. Nilai IP terendah sebesar 2,21 ditemukan di Titik 4 yang merupakan daerah permukiman. Nilai BOD semakin tinggi ke daerah hilir dengan nilai tertinggi 4,05 mg/L yang melebihi baku mutu ditemukan di Titik 5, mengindikasikan pencemaran Sungai Percut disebabkan oleh limbah organik. Pemantauan kualitas air dan pengawasan penting dilakukan untuk mengetahui strategi pengelolaan dan pengendalian pencemaran yang tepat agar status mutu air Sungai Percut dapat dipertahankan sesuai peruntukannya. Selain itu, kondisi hutan di daerah hulu harus tetap dipertahankan dan pemanfaatan lahan pertanian dan permukiman harus dikontrol dengan tidak membuang limbah ke sungai.
Status Pencemaran Situ Gunung Putri di Kabupaten Bogor Berdasarkan Metode STORET dan Indeks Pencemaran Mira Aristawidya; Zahidah Hasan; Iskandar Iskandar; Yustiawati Yustiawati; Heti Herawati
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.13373

Abstract

Gunung Putri pond located in Bogor Regency functions as water reservoir, agricultural irrigation, fisheries activities, as well as domestic and industrial waste disposal sites. Human activities around the pond are thought to cause a decrease in the physical, chemical and biological qualities of the pond water. Therefore, research on the pollution status needs to be carried out for the management of pond water resources. The purpose of this study was to determine the status of Gunung Putri pond pollution as measured by the physical and chemical parameters of its waters. The study was conducted from February to March 2019. The methods used in determining the status of pollution were the STORET method and the Pollution Index (IP). The results of water quality measurements carried out in the field were compared with water quality standards, and were used in determining the status of pollution according to each method. Both methods produce different water quality status for each station, with the STORET method score ranging -20–0 and the Pollution Index score ranging 0.31–3.92. The STORET method more accurately explained the pollution conditions in Gunung Putri pond and showed that the water was in mild to moderate polluted conditions. Based on the two methods used, the highest pollution status was found at Stations 3 and 5. Organic material with high content was suspected as the cause of pollution because the most dominant water quality parameter in determining pollution status was COD. Therefore, Gunung Putri pond cannot support fishery activities because the water quality parameters of COD and DO at Stations 3 and 5 do not meet the water quality standards for the class II and III waters based on the Government Regulation No. 82 of 2001. Industrial, domestic, and agricultural wastes entering the waters of Gunung Putri pond contribute to the pollution of the aquatic environment which can be seen from the high COD value.
Spesies Ikan Sidat (Anguilla spp.) dan Karakteristik Habitat Ruayanya di Sungai Cikaso, Sukabumi, Jawa Barat Yayuk Sugianti; Masayu Rahmia Anwar Putri; Sri Endah Purnamaningtyas
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.13374

Abstract

Muara sungai menjadi tempat awal yang penting untuk ikan Sidat beruaya ke perairan sungai. Beberapa muara sungai yang ada di pesisir pantai Sukabumi menjadi daerah aktivitas penangkapan ikan Sidat yang tinggi, salah satunya adalah Sungai Cikaso. Penelitian ini bertujuan untuk mengetahui karakteristik habitat ikan Sidat dan faktor kualitas air yang memengaruhi kehidupan ikan Sidat di Sungai Cikaso. Penelitian dilakukan pada musim hujan (Maret 2019) dan musim kemarau (Agustus 2019). Penangkapan benih ikan Sidat menggunakan alat tangkap sirib dan ikan Sidat dewasa menggunakan alat tangkap bubu, pancing, jamparing dan kopyokan, serta pengamatan kualitas air dilakukan di tujuh stasiun penelitian yang dilalui selama ikan Sidat beruaya. Benih ikan Sidat diidentifikasi secara morfometrik dan perbedaan pigmentasi warna diamati di bagian sirip ekor. Dua spesies ikan Sidat ditemukan selama penelitian, yaitu Anguilla bicolor bicolor dan Anguilla marmorata yang teridentifikasi dari fase benih hingga ikan Sidat dewasa. Sebaran ikan Sidat di sepanjang Sungai Cikaso selama penelitian ditemukan dalam empat stadia siklus hidup, yaitu benih ikan Sidat, ikan Sidat berpigmen, ikan Sidat muda, dan ikan Sidat dewasa. Secara keseluruhan, ketujuh stasiun penelitian mempunyai karakteristik habitat perairan yang sama dalam mendukung kehidupan ikan Sidat. Keberadaannya di perairan dicirikan oleh parameter kualitas air seperti suhu air, kekeruhan, TDS, kecepatan arus, salinitas, oksigen terlarut, alkalinitas, dan pH perairan. Namun, fenomena muara sungai yang tertutup pada saat musim kemarau menyebabkan air sungai tidak mengalir menuju ke laut. Kondisi ini sangat memengaruhi pola ruaya ikan Sidat, yaitu menghambat pergerakan benih ikan Sidat dari laut menuju ke sungai. Oleh karena itu, solusi perlu dicari agar ruaya semua spesies ikan Sidat yang masuk ke Sungai Cikaso tetap terjaga.
Kelangsungan Hidup dan Pertumbuhan Ikan Pala Pinang (Desmopuntius pentazona) dalam Wadah Pemeliharaan dengan Warna Berbeda Pievilya Rahmadhany Kusuma; Eva Prasetiyono; Endang Bidayani
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.13375

Abstract

Fiveband Barb (Desmopuntius pentazona) is a freshwater ornamental fish species of Bangka Island. Domestication of the fish is important because tin mining activites threaten the fish. One of influencing factors of its survival and growth rate is tank color. Light intensity is one of the environmental factors which significantly affect on survival rate and growth of aquatic organisms. Tank colors may affect light wavelength, while light intensity affects the fish feeding. The purpose of the study was to determine the best tank color for survival rate and growth performance of Fiveband Barb. Tank colors used in this study consisted of transparent, brown, red, and blue. Fiveband Barb with 29.72 ± 0.24 mm length and 0.33 ± 0.02 g weight were reared in the tanks of 40 × 30 × 30 cm3 filled with 15 L of water and were fed with bloodworm larvae ad libitum. The results showed that tank color gives significant effect (P < 0.05) on the survival rate of the fish where in transparent, brown, red, and blue tanks they were 100 ± 0; 83 ± 7; 100 ± 0; dan 60 ± 22%, respectively. Spesific growth rate in transparent, brown, red, and blue tanks were 0.011; 0.008; 0.010; and 0,009%/day, respectively. Absolute weight growth rate in transparent, brown, red, and blue tanks were 0,43; 0,31; 0,39; dan 0,37 g, respectively, while absolute length growth rate in transparent, brown, red, and blue tanks were 1,40; 0,73; 1,22; dan 0,52 mm, respectively. Therefore, the transparent and red tanks were the best tank colors for Fiveband Barb culture. This is presumably because the light intensity entering the transparent and red tanks was higher than the other two colors so as to maximize feed consumption in supporting the survival and growth of the fish.
COVER LIMNOTEK VOL. 27 NO. 1 JUN 2020 Admin Limnotek
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.17287

Abstract

Cover Limnotek Vol. 27 No. 1 Jun 2020
DEWAN REDAKSI LIMNOTEK VOL. 27 NO. 1 JUN 2020 Admin Limnotek
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.17288

Abstract

Dewan Redaksi Limnotek Vol. 27 No. 1 Jun 2020
DAFTAR ISI LIMNOTEK VOL. 27 NO.1 JUN 2020 Admin Limnotek
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 27 No. 1 (2020)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2020.17289

Abstract

Daftar Isi Limnotek Vol. 27 No. 1 Jun 2020

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