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All Journal Jurnal Penelitian Hutan dan Konservasi Alam Forum Geografi jurnal dikdas bantara
Paimin Paimin, Paimin
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Other

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KERAGAAN (PERFORMAN) JATI GN-RHL DI SUB DAS SAMIN DALAM PERSPEKTIF PENGELOLAAN DAERAH ALIRAN SUNGAI (Performance of GN-RHL Teak Wood in Samin Sub Watershed Within Perspective of Watershed Management) Riyanto, Heru Dwi; Paimin, Paimin
Jurnal Penelitian Hutan dan Konservasi Alam Vol 8, No 1 (2011): Jurnal Penelitian Hutan dan Konservasi Alam
Publisher : Pusat Penelitian dan Pengembangan Hutan

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Abstract

Perkembangan luas lahan kritis dicerminkan oleh semakin besarnya jumlah daerah aliran sungai (DAS) dalam kondisi kritis yakni 22 DAS pada tahun 1984 menjadi berturut-turut sebesar 39 dan 62 DAS pada tahun 1992 dan 1998, serta pada tahun 2004 diperkirakan sekitar 282 DAS. Padahal upaya pengendalianlahan kritis telah digaungkan secara intensif sejak tahun 1976 melalui program Inpres (Instruksi Presiden) Reboisasi dan Penghijauan dan mulai tahun 2003 telah didorong melalui Gerakan Nasional Rehabilitasi Hutan dan Lahan (Gerhan/GN-RHL). Kondisi tersebut terjadi karena aspek monitoring dan evaluasi keberhasilan Gerhan/GN-RHL dititikberatkan kepada persen tumbuh, tolok ukur keberhasilan kegiatan tanam-menanam yang hanya pada persen tumbuh terutama pada jenis pohon lambat tumbuh (slow growth), seperti jati adalah sangat riskan untuk dijadikan acuan dalam penilaian yang dikaitkan dengan aspek perlindungan, baik cakupan secara lokal erosi dan sedimentasi maupun cakupan secara luas, suatu daerah aliran sungai. Tulisan ini akan mengkaji keragaan jati yang ditanam oleh masyarakat dalam kegiatanGerhan/GN-RHL pada Sub DAS Samin.
Kajian Peran Waduk Sebagai Pengendali Kualitas Air Secara Alami Supangat, Agung B.; Paimin, Paimin
Forum Geografi Vol 21, No 2 (2007): December 2007
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

In Indonesia it was identified that there were much of polluted stream flow which cause improper consumed water. One of the rivers which has low of water qualities is Citarum River, West Java. However, along the Citarum river, there were built three reservoir dams (Saguling, Cirata and Jatiluhur) that can control the condition of river water regime. Research was conducted in Citarum watershed to determine the role of those reservoirs on water quality control. Seven stations along the river were selected as observation posts of water samples. Based on the observation results it was indicated that water pollutants within Citarum river was very high. However, those pollutants could be purified or reduced by those reservoirs, hence water discharge from the reservoirs has better quality. In the future, deposition of those pollutants within the dam may has negative environment impact. Therefore, to sustain that function of the dam, comprehensive efforts on reducing pollutants from the catchment area is urgently required.
Kajian Peran Waduk Sebagai Pengendali Kualitas Air Secara Alami Supangat, Agung B.; Paimin, Paimin
Forum Geografi Vol 21, No 2 (2007): December 2007
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v21i2.2357

Abstract

In Indonesia it was identified that there were much of polluted stream flow which cause improper consumed water. One of the rivers which has low of water qualities is Citarum River, West Java. However, along the Citarum river, there were built three reservoir dams (Saguling, Cirata and Jatiluhur) that can control the condition of river water regime. Research was conducted in Citarum watershed to determine the role of those reservoirs on water quality control. Seven stations along the river were selected as observation posts of water samples. Based on the observation results it was indicated that water pollutants within Citarum river was very high. However, those pollutants could be purified or reduced by those reservoirs, hence water discharge from the reservoirs has better quality. In the future, deposition of those pollutants within the dam may has negative environment impact. Therefore, to sustain that function of the dam, comprehensive efforts on reducing pollutants from the catchment area is urgently required.
Performance Evaluation of Tuntang Watershed based on Quantity and Quality of Water Murtiono, Ugro Hari; Paimin, Paimin
Forum Geografi Vol 30, No 2 (2016): December 2016
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v30i2.1708

Abstract

The objective of the study was to evaluate the performance of Tuntang Catchment based on water quantity and quality area ranging from its upstream to downstream. The method used to determine the water quantity was by carrying out ground study on water discharge in the dry season (June 2011) in the research site, while the water quality was determined by conducting a laboratory analysis on the samples obtained from the sites in both the rainy and dry season (January and June 2011). The results indicated that the quantity of water discharge in Tuntang River was categorized “good”, although it was utilized for many uses such as irrigation, hydropower, and drinking water. Most of water discharges were mainly supplied from the upstream of Rawa Pening Lake. The water quality determined from the parameters of total dissolved solids, conductivity, pH, phosphate, and nitrate could be classified as “good”, meanwhile, the turbidity and dissolved oxygen were classified as “poor”.
PENINGKATAN HASIL BELAJAR MATEMATIKA MELALUI PEMBELAJARAN KOOPERATIF TIPE MAKE A MATCH paimin, paimin
Jurnal Dikdas Bantara Vol. 2 No. 2 (2019)
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jdb.v2i2.367

Abstract

Penelitian ini bertujuan untuk meningkatkan hasil belajar matematika melalui model pembelajaran kooperatif tipe make a matchpada siswa kelas IX SMP Negeri 3 Bendosari semester I tahun pelajaran 2018/ 2019. Penelitian ini adalah Penelitian Tindakan Kelas yang dilakukan di kelas IX SMP Negeri 3 Bendosari semester I tahun pelajaran 2018/ 2019 yang berjumah 24 siswa. Teknik pengumpulan data yang digunakan adalah tes, observasi, dan dokumentasi.Tahap-tahap analisis data dalam penelitian ini adalah pengumpulan data, reduksi data, penyajian data, dan penarikan kesimpulan. Indikator keberhasilan adalah nilai rata-rata tes siswa sekurang-kurangnya 70,0 dan banyak siswa dengan nilai di atas kriteria ketuntasan minimal (KKM) yaitu 65,0 mencapai ? 85%. Berdasarkan penelitian yang telah dilakukan, dapat disimpulkan bahwa penerapan model pembelajaran kooperatif tipe make a matchdapat meningkatkan hasil belajar matematika materi Kesebangunan siswa kelas IX SMP Negeri 3 Bendosari. Sebelum tindakan/prasiklus,hasil belajar siswa yang mencapai KKM 15 siswa atau 62,5 %, pada siklus I, 19 siswa atau 78,1% dan pada siklus II, 23 siswa atau 95,5 %. Nilai rata-rata kelas sebelum tindakan/prasiklus sebesar 67,41 setelah tindakan siklus I sebesar 70,58 dan setelah tindakan siklus II sebesar 73,45. Kata Kunci:Model pembelajaran kooperatif tipe make a match, hasil belajar matematika.
Co-Authors Agung B. Supangat Heru Dwi Riyanto Ugro Hari Murtiono, Ugro Hari