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Suhardjono Suhardjono
Program Pascasarjana Fakultas Ekonomi Universitas Brawijaya
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Hutan Mangrove Cagar Alam Pulau Sempu, Jawa Timur Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.153

Abstract

Keanekaragaman jenis tumbuhan mangrove di Ra’as, Air Tawar dan Teluk Semut, Pulau Sempu, Jawa Timurtercatat 30 jenis tumbuhan yang termasuk dalam 18 suku dan 24 marga. Dua belas jenis di antaranya termasukdalam Kriteria IUCN (Anonymous, 1997). Kenakearagaman jenis yang paling tinggi di Ra’as (23 jenis), TelukSemut (17 jenis) dan Air Tawar (16 jenis). Hutan mangrove di daerah ini didominasi oleh Ceriops tagal, Rhizophoraapiculata, R. mucronata, Aegiceras corniculatum, Xylocarpus granatum dan Excoecaria agallocha.Kata kunci : Mangrove, Ra’as, Air Tawar, Teluk Semut, Pulau Sempu, Jawa Timur, IUCN.
Hutan Mangrove di Kalitoko, Teluk Mayalibit, Pulau Waigeo, Kabupaten Raja Ampat, Propinsi Papua Barat Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.141

Abstract

Penelitian vegetasi mangrove telah dilakukan di Kalitoko, Mayalibit Bay, Pulau Waigeo, Kabupaten Raja Ampat,Papua Barat Provinsi. Hasil penelitian menunjukkan bahwa keragaman mangrove di Kalitoko relatif tinggi.Ditemukan 65 jenis mangrove (56 marga dan 35 suku), ternyata 21 jenis diantaranya dimasukkan sebagai jenislangka berdasarkan daftar IUCN dengan status rawan (VU) dan kritis (CR). Hasil analisis vegetasi satu transekdengan luas 4.500 m2 di hutan mangrove Kalitoko tercatat 18 jenis tumbuhan mangrove dengan tingkatkepadatan pohon sebesar 549 individu / ha dan basal areanya 18.61 m2/ha. Untuk tingkat belta kepadatan mencapai1.514 individu / ha dan basal areanya 3,86 m2/ha. Sedangkan kerapatan semai mencapai 194.889 individu /ha.Kata Kunci: Mangrov, komposisi, Mayalibit, Waigeo, Raja Ampat
Hutan Mangrove di Yenanas, Pulau Batanta, Kabupaten Raja Ampat, Propinsi Papua Barat Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i1.338

Abstract

A reseach on mangrove vegetation has been conducted in Yenanas, Batanta Island, Raja Ampat Distric, PapuaBarat Province. The results showed that the diversity of mangrove in Kalitoko was relatively high. About 78 speciesof mangrove (61 genera and 42 families) has been recorded among them, 27 species were classified as rare speciesbased on IUCN list with status VU and CR. The result of vegetation analysis analysis of six transect which cover8,200 m2 of mangrove forest in this location recorded 10 species of mangrove plants with level density was 834-1,244 individual/ha and its basal area was 35.38-123.53 m2/ha. For the sapling the density was 440-1,714individual/ha and its basal area 1.48-4.93 m2/ha. While the seedling density up to 86,364-222,500 individual/ha.Key word : Mangrove Forest, Yenanas, Batanta Island, Raja Ampat Distric, Papua Barat Province
Evaluasi Skala Pelayanan Prasarana Pendidikan Sekolah Menengah Kejuruan Di Kota Batu Santoso, Joko; Suhardjono, Suhardjono; Hariyani, Septiana
Rekayasa Sipil Vol 6, No 2 (2012)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

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Abstract

Studi evaluasi skala pelayanan prasarana Sekolah Menengah Kejuruan di Kota Batu dengan analisis diskriptif kondisi eksisting 11 sekolah SMK dengan Permendiknas Standar sarana dan prasarana SMK/MAK Tahun 2008. Hasil yang diperoleh dari studi penelitian 11 SMK di Kota Batu, 3 SMK Negeri dan 8 SMK Swasta dengan berbagai 32 Kompetensi Keahlian, kondisi prasarana pendidikan dengan lahan terluas adalah SMKN 2 seluas 10.500 m2, sedangkan luas lahan terkecil adalah SMK Islam Batu seluas 730 m2. Untuk pelayanan lahan dan bangunan memenuhi lahan, aksesibilitas mudah, menyediakan ruang yang sesuai standar, memiliki ketersediaan listrik minimal 2200 watt dan kondisi bangunan tidak membahayakan yaitu terdapat 18% SMK di Kota Batu tingkat pelayanan akan lahan rendah, 18% tingkat pelayanan akan lahan sangat tinggi, sedangkan 55% memiliki tingkat pelayanan cukup, dan 9% memiliki tingkat pelayanan lahan dan bangunan tinggi. Tingkat Pelayanan prasarana umum terdiri; Ruang Kelas, Perpustakaan dan Laboratorium Biologi, Kimia, IPA, Komputer, Bahasa dan Gambar Teknik SMK Kota Batu 73% Rendah, sedang 18 % dan 9% sangat rendah.Tingkat Pelayanan Ruang pembelajaran Penunjang 27% rendah, 64% sedang dan 9% tinggi. Rata-Rata tingkat pelayanan prasarana 11 SMK di Kota Batu sedang, dan satu SMK pelayanan prasarana tinggi yaitu SMK Islam Batu. 11 Kepala sekolah SMK di Kota Batu menyampaikan evalusi diri prasarana sekolah, Dinas Pendidikan Kota Batu menindaklanjuti dan mengevaluasi secara mendalam sesuai renstra Dinas Pendidikan Kota Batu untuk memenuhi standar pelayanan minimal SMK. 
KEANEKARAGAMAN TUMBUHAN VEGETASI HUTAN MANGROVE DI TUMBU-TUMBU, LAMPEAPI DAN WUNGKOLO, PULAU WAWONII, SULAWESI TENGGARA [Plant Diversity of Mangrove Forest Vegetation in Tumbu-Tumbu, Lampeapi and Wungkolo, Wawonii Island, South East Sulawesi] Suhardjono, Suhardjono
BERITA BIOLOGI Vol 11, No 2 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (268.96 KB) | DOI: 10.14203/beritabiologi.v11i2.492

Abstract

Fifty four species belong to 32 families and 46 genera were recorded in mangrove areas of Tumbu-tumbu, Lampeapi and Wungkolo(Wawonii Island, South East Sulawesi). Twenty four of them included in the IUCN (Anonim, 1997) list. The richest species diversity found in Lampeapi (48 species) followed by Tumbu-tumbu (39 spesies) and Wungkolo (29 species).The dominant species of those areas were Rhizophora apiculata, R. mucronata and Bruguiera gymnorrhiza.The total average density of three was 268–742 individu/ha, with basal area 16.14–28.99 m 2/ha, sapling plant was 66–317 indv./ha will basal area 0.38–0.92 m /ha and seedling plant was 88,13 –146,66 individu/ ha.
KEANEKARAGAMAN TUMBUHAN PULAU SEPANJANG JAWA TIMUR Rugayah, Rugayah; Suhardjono, Suhardjono; Susiarti, S
BERITA BIOLOGI Vol 10, No 2 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1069.393 KB) | DOI: 10.14203/beritabiologi.v10i2.1974

Abstract

Sepanjang Island is a small island located in the eastern part of Madura Island in the Province of East Java. An exploration has been carried out in 200S to record plant diversity of this area. More than 2S0 species of plants were recorded including the cultivated ones. Apocynaceae, Euphorbiaceae, Fabaceae, Malvaceae, Meliaceae, Moraceae, Rhamnaceae and Vitaceae were dominant in this island. Aglaia lawii, Anadendron sp., Tetrastigma lanceolarum, Uvaria littoralis, Zyzyphus jujuba were common in all study sites. Eleven collections are new records for Flora of Jawa and 29 numbers are new collection for Herbarium Bogoriense from this island.
KAJIAN PENANGANAN GENANGAN PADA SUB-SISTEM DRAINANSE JANGKOK KOTA MATARAM Hendrasari, evanur; Suhardjono, Suhardjono; Andawayanti, Ussy
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 1 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak: Pertumbuhan penduduk dan alih fungsi lahan untuk daerah perkotaan yang semula persawahan menjadi permukiman tidak diiringi dengan evaluasi drainase, seringkali menyebabkan terjadinya genangan pada beberapa daerah di Kota Mataram. Adapun daerah yang sering tergenang yaitu pada Kecamatan Ampenan dan Kecamatan Selaparang. Hal tersebut dikarenakan penumpukan sampah/sedimentasi pada saluran drainase yang disebabkan oleh masyarakat yang suka membuang sampah sembarangan terutama pada saluran-saluran drainase dan pengaruh pasang surut air laut. Efek backwater di Sungai Jangkok pada jarak ± 1287 m dari hilir (STA 0+230 – STA 0+469) adalah setinggi 2.08 m .Permasalahan tersebut ditangani dengan metode eco-drainage dimana dibutuhkan 1-22 buah sumur resapan per hektar dengan ∆Q (sisa Q5th) yang tidak tertampung, normalisasi saluran, dan memasang pintu klep otomatis tipe Pusair Pa-Fg1.Kata kunci: eco-drainage, sumur resapan, backwater, pasang surut Abstract: Population growth and land conversion for urban area which originally is a paddy field before became a housing area and not followed by drainage evaluation are often cause ponding in some areas of Mataram City. The aforementioned area are including Ampenan and and Selaparang subdistrict. This is caused by littering habit, especially in the drainage channel and ocean backwater effect. The backwater effect height in Jangkok River at ± 1287 m away from downstream (STA 0+230 – STA 0+469) is 2,08 m. This problem is solved by using eco-drainage method which needs 1 - 22 infiltration wells per hectar with ∆Q, channel normalization, and also by installing Pusair Pa-Fg1 type automatic valve door.Keyword: eco-drainage, infiltration well, backwater, tidal
FAKTOR YANG BERPENGARUH PADA KINERJA SISTIM IRIGASI DI DAERAH IRIGASI TUMPANG KABUPATEN MALANG djuwito, edy; Suhardjono, Suhardjono; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 6, No 2 (2015)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak:  Pada tahun 1998 terjadi perubahan kewenangan dan wilayah pada pengelolaan sistim jaringan irigasi yang dikenal dengan konsep irigasi partispatif.  Pembagian kewenangan ini akan berpengaruh pada kondisi fisik,  fungsi dan kinerja sistim jaringan irigasi. Penelitian dilakukan di Daerah Irigasi Tumpang Kabupaten Malang. Analisis dengan metode  Structurural Equation Modeling (SEM) dengan perangkat lunak Aplikasi analysis of moment structure (Amos 20) dan SPSS 17, yang digunakan untuk menganalisis dan menguji data tentang validitas, reliabilitas, frekuensi,  normalitas multivariat,  fit model,  hubungan antar variabel dan penarikan hipotesis. Hasil penelitian adalah kinerja Daerah Irigasi Tumpang (KDIT) tergolong baik,  kondisi fisik dan fungsi sistim irigasi cukup baik,  faktor yang berpengaruh pada kinerja adalah manjemen operasi jaringan irigasi (MOJI),  kondisi sistim distribusi yang menjadi tanggung jawab petani  cukup dan berpotensi memburuk dan yang terakhir adalah biaya operasi dan pemeliharaan buruk. Faktor yang berpengaruh dan berkorelasi positif  pada KDIT adalah MOJI yaitu sebesar 0.840 dan biaya operasi dan pemeliharaan sistim jaringan irigasi (BIOPJI) sebesar 0.147. Disarankan MOJI dan BIOPJI ditingkatkan agar kinerja  stabil.Kata Kunci:Wewenang , SEM Amos20, Fisik, Fungsi, Kinerja Abstract: On year 1998 paradigm shifting of authority and territory to manage the irrigation network system known as the concept of participatory irrigation implemented. Aforementioned regulation is suggested to affect the physical condition, functionality and performance of the system of irrigation network. Study then conducted in the irrigation area of Tumpang on Malang Regency. Structural Equation Modeling (SEM) with a software application analysis of moment structure (Amos 20) and SPSS 17, then used to analyze and test the data on the validity, reliability, frequency, multivariate normality, fit model, the relationship between variables and withdrawal hypothesis. The results showed that the performance Irrigation Area Tumpang (KDIT)  fit into good category with physical condition and function rather well. It also known that factors that affect the performance of the irrigation network is operating manjemen (MOJI), the condition of the distribution system are afftected by farmer participation and the operation and maintenance is affected by upkeep budget. Factors that influence and positively correlated KDIT is MOJI is equal to 0.840 and the cost of operation and maintenance of irrigation network system (BIOPJI) of 0.147. This study suggests that MOJI and BIOPJI indicate government regulation affected aforementioned indicator.Keywords: Authority, SEM Amos20, Physic, Fuction, Performance
PERBANDINGAN ANTARA MODEL ATURAN LEPASAN BERDASARKAN TAMPUNGAN DAN MODEL RULE CURVE UNTUK WADUK PENGGA soetopo, widandi; Limantara, Lily Montarcih; Suhardjono, Suhardjono; Andawayanti, Ussy; Lufira, Rahmah Dara; Huda, Qomarul; Anwar, Syamsul
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 6, No 2 (2015)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1610.801 KB)

Abstract

Abstrak : Penelitian ini untuk membandingkan an­ta­ra 2 alternatif aturan operasi waduk Pengga dalam mengatur debit lepasan guna memenuhi kebutuhan sepanjang tahun.  Waduk Pengga beroperasi dengan periode ½ bulanan.  Ada 2 alternatif yang disarankan untuk waduk Pengga, yaitu (1) aturan lepasan yang berdasarkan status tampungan waduk pada awal periode operasi, dan (2) rule curve sebagai batas bawah tampungan wa­duk pada setiap periode operasi.  A­tur­an operasi lepasan waduk dari masing-masing alternatif di­op­timasi untuk me­ning­kat­kan kinerjanya sampai mencapai batas maksimum, lalu dilakukan perbandingan antara kedua alternatif tersebut.  Sebelum dilakukan optimasi, dilakukan revisi terhadap struktur daripada ma­sing-masing aturan operasi untuk meningkatkan potensi perbaikan kinerja da­lam optimasi.  Pada aturan lepasan berdasarkan tampungan, revisi struktur di­pu­sat­kan pada peningkatan jumlah grid tampungan, sementara juga dicoba alternatif bentuk garis lepasan yang kontinyu disamping bentuk diskrit.  Sedangkan pada rule curve, re­vi­si struktur dipusatkan pada penambahan kurva-kurva sebagai batas bawah pelepasan bertingkat.  Untuk melakukan optimasi di­gu­nakan prosedur Evolutionary Solver yang ada pa­da perangkat Add-Ins Solver dari MS-Excel 2010.Kata kunci: aturan lepasan, status tampungan, rule curve. Abstract : This research is the comparison of two alternatives of operating rule of the Pengga Reservoir for regulating the releases to fulfill the annual water demand.  The Pengga Reservoir operate in half-month periods.  Two alternatives being proposed for the release operating rule of Pengga Reservoir, (1) the release rule based on the reservoir storage state at the beginning of operating period, and (2) the Rule Curve as the lower boundary of reservoir storage at every operating period.  The reservoir release operating rule of each alternative is optimized to improve its performance until attain the maximum limit, then the comparison is conducted between the two alternatives.  Before the optimization, structural revisions are done on each operating rule to enhance the potency of performance improvement in the optimization.  In the Release Rule based on storage, the revisions are focused on the expansion of number of storage grid, beside also the  trial shape of continuous release line instead of discrete.  As for the Rule Curve, the revisions are focused on the additional curves as the lower bounds of stepped release.  The undertaking of this optimization study will use the Evolutionary Solver procedure in Add-Ins Solver package of the MS-Excel 2010.Keywords: release rule, storage state, rule curve.
OPTIMASI DAN SIMULASI SISTEM PENYEDIAAN JARINGAN AIR BERSIH DI KECAMATAN KADEMANGAN KABUPATEN BLITAR Lufira, Rahmah Dara; Suhardjono, Suhardjono; Marsudi, Suwanto
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 3, No 1 (2012)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The purpose of this study was to determine how the effects in terms of technical and economic optimization if done the pipe and the pump head and the simulation of water pricing on water supply systems network in the Kademangan District Blitar Regency. While the purpose of this study contribute ideas to the relevant agencies so that it can be used as a reference whether for optimization and simulation of network systems providing clean water, decent built or not.The method used in this study is the analysis of water network with watercad software in order to obtain the total project cost incurred economic analysis was then performed to determine the magnitude of benefits that can be obtained after the project was built involved the comparison of Benefit Cost Ratio (B/C = 1), Net present Value (NPV), Internal Rate of Return (IRR), the breakeven point of investment and sensitivity analysis can then be used as the basis for tariff setting water prices.Based on the results of simulation and optimization of the selected alternatives are technically and economically feasible are alternative 2, which consists of GIP pipes with diameters ranging from 300 mm up to 2.54 km of water sources and PVC pipe 250 mm starting from the end of the pipe to the reservoir with GIP distance of 3.12 km. With a pump head of 130 m using a pump Grundfos SP 125 type 5A with a capacity of 25 l/s in 2 units. The total cost of investment needed to build a network of water supply system is Rp. 18,428,996,200 with the price of water that is suitable and economically viable is Rp. 10,500.Key Word: optimation, pipe system, simulation, alternative price of water
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Aziz Rani Achmad Fauzi Achmad Maezar Bayu Aji Agus Sigit Pramono Aida Lydia, Aida Andre Primantyo Hendrawan Anis, Mizun Bariroh Anus Wuryanto Arfiyanti, Anandini Fatma Arif Wahjudi Bawazier, Lucky A. Bawazier, Lucky Aziza Deni Indarwati Dewi Yuliandari Donny Harisuseno Dwi Priyantoro edy djuwito, edy Eko Suryo Pranoto Emma Yuliani Ery Suhartanto evanur Hendrasari, evanur Fanny Tendean, Fanny Fhoenna, Wahyu Fatihah Firstianty Wahyuhening Fibriany Gaol, Donnie Lumban Hafis Nurdin Hari Sugiarto - UBSI Harnany, Dinny I Made Londen Batan Ilham Ali Izzudin, Maulana Yusuf J Sarwono, J Jatilinuar, Setya Rahdiyatmi Kurnia Kholifah, Desiana Nur Kuntjoro Harimurti Lily Montarcih Limantara Linda Prasetyorini M. Janu Ismoyo Mira Yulianti, Mira Mohammad Khoirul Effendi Muhammad Faisal Murdani Abdullah Nurul Aisyah Nurul Akbar Parlindungan Siregar Parulian, Dudi Pitojo Tri Juwono Pradana Suwondo Prasanaya, Farid Azzani Pratiwi, Fungky Dyan Priyono Priyono Qomarul Huda, Qomarul Rahmah Dara Lufira Rizka Aditya Rachman Rugayah Rugayah Sampurno Sampurno Sarwono, J. Septiana Hariyani Sianipar, Wicensius Siti Zubaidah Sri Iswiyanti, Agus Stanley, Ignatius Sugeng Santoso Suhendro Suwarto, Suhendro Suryadhitia, Rachmat Suryo, Is Bunyamin Suryoputro, Nugroho Susiarti, S Sutrisni Sutrisni Suwanto Marsudi Syah Putra, Arman Teguh Teguh Triyani Kresnawan, Triyani Unggul Budihusodo Ussy Andawayanti Utari, Puput Sri Widandi Soetopo wisesa, Wiku