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KARAKTERISTIK KUALITAS AIR DAN ESTIMASI RESIKO EKOBIOLOGI HERBISIDA DI PERAIRAN RAWA BANJIRAN LUBUK LAMPAM, SUMATERA SELATAN Jubaedah, Dade; Kamal, M. Mukhlis; Muchsin, Ismudi; Hariyadi, Sigid
Jurnal Manusia dan Lingkungan (Journal of People and Environment) Vol 22, No 1 (2015)
Publisher : Pusat Studi Lingkungan Hidup Universitas Gadjah Mada

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Abstract

Perairan rawa banjiran Lubuk Lampam (RBLL) merupakan ekosistem khas yang mempunyai arti penting terutama secara ekologi sebagai habitat ikan khas rawa banjiran. Penelitian ini bertujuan untuk mengetahui karakteristik kualitas air di RBLL terkait dengan perubahan muka air dan adanya masukan bahan antropogenik terutama dari kegiatan perkebunan kelapa sawit yang berada di dalam dan sekitar area RBLL. Hasil penelitian ini menunjukkan bahwa curah hujan merupakan faktor utama yang mempengaruhi perubahan muka air di RBLL. Fluktuasi muka air yang tidak ekstrim sebagai akibat dari curah hujan yang relatif merata sepanjang tahun menyebabkan karakteristik kualitas air antar periode musim menjadi cenderung sama. Secara umum, karakteristik kualitas air RBLL dicirikan dengan pH cenderung asam, kandungan oksigen rendah, kekeruhan tinggi serta konsentrasi total nitrogen dan total fosfor yang tinggi. Bahan antropogenik berupa herbisida dari jenis paraquat dan glyfosat ditemukan dalam konsentrasi relatif kecil (rataan 0,004 mg/L dan 0,003 mg/L), sehingga berdasarkan nilai resiko (Risk Quotient, RQ) kedua jenis herbisida ini memiliki resiko ekobiologi rendah (<0,01) sampai dengan sedang (0,01<RQ≤0,1).
DISTRIBUSI SPASIAL DAN TEMPORAL IKAN PEPIJA Harpadon nehereus (Hamilton, 1822) DI PERAIRAN PULAU TARAKAN, KALIMANTAN UTARA Laga, Asbar; Affandi, Ridwan; Muchsin, Ismudi; Kamal, Muhammad Mukhlis
ZOO INDONESIA Vol 24, No 1 (2015): Juli 2015
Publisher : Masyarakat Zoologi Indonesia

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Abstract

Ikan pepija merupakan ikan demersal dengan penyebaran di perairan estuaria dan laut dangkal. Penelitian ini bertujuan untuk mengkaji distribusi spasial dan temporal ikan pepija di perairan P. Tarakan. Penelitian dilakukan dari Februari 2013 sampai dengan Februari 2014. Penangkapan ikan dilakukan dengan menggunakan pukat hela (trawl) dengan ukuran panjang sayap 7 meter dengan besar mata jaring pada sayap, badan dan kantong masing-masing berukuran 2,2 dan 1 inch. Pengoperasian jaring trawl pada masing-masing lokasi stasiun dilakukan “zig zag” dengan 2 kali masa penarikan pukat hela (towing) selama 30 menit. Ikan yang tertangkap ditimbang seluruhnya. Hasil tangkapan bervariasi saat waktu pengamatan dan antara satu stasiun dengan stasiun lainnya. Laju tangkap tertinggi pada bulan Desember dan Januari sebesar 75.56 dan 77.37 kg/jam dan terendah pada bulan April sebesar 7.41 kg/jam. Ikan pepija melakukan migrasi harian dari Tanjung Simaya (tanggal 7 kalender Hijriah), tanggal 8 di perairan Tanjung Selayu, tanggal 9 antara perairan Tanjung Selayu dan Tanjung Juata, dan tanggal 10 pada penanggalan Hijriah di perairan Tanjung Juata. Berdasarkan data tangkapan tersebut terungkap bahwa distribusi ikan pepija di perairan Pulau Tarakan berkaitan dengan pasang surut, ikan ini hanya ditemukan pada saat pasang perbani pada tanggal 7, 8, 9 dan 10 bulan Hijriah.
Kajian Aspek Reproduksi Ikan Endemik Bonti-bonti (Paratherina striata) di Danau Towuti, Sulawesi Selatau Nasution, Syahroma Husni; Sulistiono, Sulistiono; Soedharman, Dedi; Muchsin, Ismudi; Wirjoatmodjo, Soetikno
JURNAL BIOLOGI INDONESIA Vol 4, No 4 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4761.042 KB) | DOI: 10.14203/jbi.v4i4.3250

Abstract

ABSTRACTStudy of Reproduction Aspects of Endemic Fish Bonti-bonti (Paratherina striata)in Lake Towuti, South Sulawesi. Bonti-bonti, is one of endemic fishes in Lake Towuti andLake Mahalona. Bonti-bonti has been utilized by people around the lake for consumption inthe form of 6esh fish, dry fish, and salty fish; as ornamental fish; and as raw material foranimal feed. It should be protected from decreasing of fish population due to increasingexploitation and habitat quality changes. The objective of this research is to know thereproduction aspects of this endemic fish, as basic data for conservation. This research wasconducted in Lake Towuti, South Sulawesi from May 2006 to April 2007 at five stations.Samples were collected using experimental gillnet sized 0.625, 0.75, 1.0, and 1.25 inches.The result shows that testis and ovary was found each in one organ during a period of gonadadevelopment. Gonada maturity, was observed histologically oscured at five maturity stages.The range of egg diameters were from 0.01 to 1.50 mm. The fust gonada maturity period ofmale and female fish were reached at 5.53 and 6.26 cm of total length, respectively. Male andfemale fish gonada maturity (50%) were at 16.78 and 14.61 cm total length, respectively.Gonada maturity index value of male and female were 0.01-3.96% and 0.02-6.77%. Thereproduction ability is related to fecundity which have an effect on number ofjuveniles. Therange of fish fecundity were 818-6,051, which were devided kom female with 11.30-18.33cm total length. Bonti-bonti fish is partial spawner type.Key words : Reproduction aspects, endemic fish, Paratherina striata, and Lake Towuti
KESESUAIAN DAN DAYA DUKUNG LAHAN UNTUK KEGIATAN WISATA DAN PERIKANAN DI PANTAI KOTA MAKASSAR SULAWESI SELATAN Hamzah, Hamzah; Fahrudin, Achmad; Efendi, Heffni; Muchsin, Ismudi
AgriSains Vol 12, No 3 (2011)
Publisher : FAPETKAN UNTAD

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Abstract

This research is intended 1) to know land suitability for tourism and fisheries at Makassar's coastal area 2) to calculate carryng capacity area for conducting tourism and fisheries at City coastal area of Makassar. This research done be conducted in City coastal area of Makassar South Sulawesi. Method used in research is land suitability analysis and carryng capacity coastal area for beach tourism and fisheries. Research result suitable area for beach tourism is 10.373,7 m. There Is even for  diving tourism is as extensive as 4,3 ha at Samalona's Island waters. Land suitability for floating cages is 490, 39 ha, seaweeds culture area is 1000,4 h. Carryng capacity for floating cages 8,796 ha, while is 3.258 units available. By use of long line method, therefore acquired 231 units on area as extensive as 554,25 ha. Carryng capacity for beach tourism : kayangan island 15 person; Lae Lae 53 ; Tanjung Bayang, Tanjung Bunga and Akarena 162 person; Losari's beach 137 person; Barombong's beach is 47 person. Key words : City coastal, area of Makassar South.
HABITAT, DISTRIBUSI DAN STRUKTUR UKURAN IKAN OPUDI (Telmatherina antoniae) DI DANAU MATANO Y. Tantu, Fadly; Sulistiono, Sulistiono; Muchsin, Ismudi
AgriSains Vol 13, No 2 (2012)
Publisher : FAPETKAN UNTAD

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Abstract

Study on habitat, distribution and size structure of opudi (Telmatherina antoniae) was carried out in Lake Matano, South Sulawesi from September 2010 to August 2011. Habitat was described based on underwater observations. Fish collections were accomplished monthly by using beach seine. The fish was distributed throughout littoral areas within clear water. The observed habitat ranged between sandy, cobbles to bouldery bottom substrate. Some parts of habitat had less vegetation and the others did not. Fish collected during the study were 2707 individuals, in which 53.08% of them were males and the remains were females. The individuals had standard length (SL) ranged between 32.76 and 85.67 mm. Male specimens were dominated by individuals ranged between 41.58 and 54.80 mm (78.98% of total male specimens). Female specimens were dominated by individuals ranged between 37.17 and 54.80 (87.80% of total female specimens). Both male and female individuals were dominated by large size classes.Key words: Distribution,habitat, size structure, Telmatherina antoniae.
KAJIAN ASPEK REPRODUKSI IKAN ENDEMIK BONTI-BONTI (PARATHERINA STRIATA) DI DANAU TOWUTI, SULAWESI SELATAU Nasution, Syahroma Husni; Sulistiono, Sulistiono; Soedharman, Dedi; Muchsin, Ismudi; Wirjoatmodjo, Soetikno
JURNAL BIOLOGI INDONESIA Vol 4, No 4 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v4i4.3250

Abstract

ABSTRACTStudy of Reproduction Aspects of Endemic Fish Bonti-bonti (Paratherina striata)in Lake Towuti, South Sulawesi. Bonti-bonti, is one of endemic fishes in Lake Towuti andLake Mahalona. Bonti-bonti has been utilized by people around the lake for consumption inthe form of 6esh fish, dry fish, and salty fish; as ornamental fish; and as raw material foranimal feed. It should be protected from decreasing of fish population due to increasingexploitation and habitat quality changes. The objective of this research is to know thereproduction aspects of this endemic fish, as basic data for conservation. This research wasconducted in Lake Towuti, South Sulawesi from May 2006 to April 2007 at five stations.Samples were collected using experimental gillnet sized 0.625, 0.75, 1.0, and 1.25 inches.The result shows that testis and ovary was found each in one organ during a period of gonadadevelopment. Gonada maturity, was observed histologically oscured at five maturity stages.The range of egg diameters were from 0.01 to 1.50 mm. The fust gonada maturity period ofmale and female fish were reached at 5.53 and 6.26 cm of total length, respectively. Male andfemale fish gonada maturity (50%) were at 16.78 and 14.61 cm total length, respectively.Gonada maturity index value of male and female were 0.01-3.96% and 0.02-6.77%. Thereproduction ability is related to fecundity which have an effect on number ofjuveniles. Therange of fish fecundity were 818-6,051, which were devided kom female with 11.30-18.33cm total length. Bonti-bonti fish is partial spawner type.Key words : Reproduction aspects, endemic fish, Paratherina striata, and Lake Towuti