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Jurnal Ilmu Lingkungan

ilmulingkungan
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Published by Universitas Diponegoro

ISSN : - EISSN : 18298907 DOI : -

Core Subject : Social,

Environmental Science

Arjuna Subject : -

Articles 21 Documents

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Search results for , issue "Vol 17, No 2 (2019): Agustus 2019" : 21 Documents clear

Forest Change Monitoring and Environmental Impact in Gunung Palung National Park, West Kalimantan, Indonesia Nurul Ihsan Ihsan Fawzi; Angela Meike Indrayani; Keva DeKay
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Gunung Palung National Park were protected since 1937 and become remain conserve largest dipterocarp forest in Borneo. The park has severe forest loss caused by anthropogenic activities and forest fire. To help inform conservation efforts about pattern and distribution of deforestation in the park, we measured forest cover change in the protected area using 11 multi-temporal Landsat series images with path/row 121/61. We found the park already loss 10.68% of its forest area in 1989 and 26% from an initial loss in 1989 in 1997 caused by El Niño event. Currently, deforestation rate is 0.21%, higher than global rate cause El Niño of 2015/16 event and make severe forest fire. The direct impact of deforestation and or degradation in a protected area is biodiversity loss and shortage water storage or flooding. This biodiversity loss created by habitat loss, fragmentation, or genetic drifting. Different wildlife and vegetation have a different response for habitat change and will reach the new equilibrium.

Prediksi Erosi di Wilayah Jawa Timur Rhoshandhayani Koesiyanto Taslim; Marga Mandala; Indarto Indarto
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Erosion is an event of eroding soil that occurs naturally. However, human activities that change land use from natural (forestry, plantation, rural areas) to urban features can alter the erosion processes. Rapid calculation of erosion level for the wide area is necessary for the management and conservation planning. This research aims to analyze the erosion level in East Java area using USLE (Universal Soil Loss Equation) and GIS. The erosivity factor (R) is calculated from rainfall data. Vegetation factor (C) and the conservation factor (P) estimated from land use map. The length and slope factor (LS) are calculated from the ASTER GDEM2, and the erodibility factor (K) is obtained from interpretation of soil map. Furthermore, all factors were analysed to calculate erosion rate. The result shows that the average erosion rate in East Java regions is 10,30 tons/ha/year. The result also show that 78,71% area of East Java is classified as very low erosion rate (0-15 tons/ha/year); 10,75% classified as low erosion rate (15-60 tons/ha/year); 6,39% classified as moderate erosion rate (60-180 tons/ha/year); and 2,83% is severe type (180-480 tons/ha/year). Only 1,31% from the total area is classified as very severe erosion rate (>480 tons/ha/year). The result also shows that USLE can be used to facilitate rapid erosion prediction for wide area.

Studi Profil Ozone Permukaan (O3) Dan Gas Monoksida (CO) Antara Kota Bandung Dan Bukit Kototabang andi sulistiyono; Hartanto Hartanto; Fathuroyan Fathuroyan; Dodi Saputra; Ikhsan Buyung Arifin
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Ozone Permukaan (O3) terbentuk karena adanya proses fotokimia oleh perkusor pembentuknya salah satunya yaitu gas karbonmonoksida (CO). Dengan menggunakan data parameter gas CO dan O3diurnal hasil pengukuran di Stasiun GAW Bukit Kototabang dan Lapan Bandung,dianalisis untuk mengetahui profil diurnal gas CO dan O3 pada tipe wilayah Urban (Bandung) dan Non Urban (stasiun GAW Bukit Kototabang). Konsentrasi dan profil gas CO secara diurnal untuk wilayah tipe Urban dan Non Urban ditentukan oleh sumber serta waktu emisi dari CO. Untuk wilayah type Urban, grafik diurnal konsentrasi gas CO terjadi puncak dan lembah. Puncak konsentarsi CO terjadi saat warga kota beraktifitas dengan berefek pada emisi gas CO, sedangakan lembah konsentrasi gas CO adalah periode pembentukan O3 melalui proses fotokimia. Untuk wilayah Non Urban (Stasiun GAW Bukit Kototabang) tidak terjadi perbedaan nilai konsentasi yang besar untuk periode tertentu mengingat kedudukan stasiun GAW Bukit Kototabang jauh dari sumber emisi gas. Status kualitas udara tahun 2008 untuk wilayah kota bandung dan Stasiun GAW Bukit Kototabang masih pada kriteria sehat karena nilai dari CO dan O3 masih berada jauh pada dari nilai ambang batasnya.

Strategi Pembentukan Tambrauw Sebagai Kabupaten Konservasi di Papua Sepus Fatem Marten; San Afri Awang; Ahmad Maryudi; Satyawan Pudyatmoko; Jonni Marwa; Devi Manuhua; Salmon Lembang
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Tambrauw merupakan kabupaten di Papua Barat yang menempatkan kebijakan konservasi sebagai domain pembangunan daerah. Penelitian ini bertujuan merancang strategi bagi pembentukan Tambrauw sebagai Kabupaten Konservasi. Penelitian berlangsung sejak bulan oktober-November 2017, menggunakan pendekatan SWOT untuk analisis kekuatan dan kelemahan (faktor Internal) dan peluang dan ancaman (faktor eksternal). Hasil penelitian menunjukkan bahwa Tambrauw layak sebagai Kabupaten Konservasi, dimana posisinya berada pada kwadran I. Artinya bahwa terdapat kekuatan dan peluang sebagai faktor kunci pembentukan kabupaten Konservasi. Kelayakan sebagai kabupetan konservasi juga terlihat melalui hasil analisis faktor internal dan eksternal, dimana Tambrauw dimungkinkan menjadi kabupaten konservasi dengan nilai evaluasi faktor internal 3.20 dan ekternal sebesar 2.75. Meskipun faktor kelemahan dan keterancaman memiliki potensi cukup besar, namun melalui 4 pilihan strategi yang ditetapkan diyakini akan membantu pemerintah Kabupaten Tambrauw memperkecil ancaman dan kelemahan dimaksud.

Keanekaragaman Hayati di Lahan Rehabilitasi Taman Nasional Meru Betiri dan Implikasi Kebijakannya: Kasus Desa Wonosari Alvian Febry Anggana; Sigit Andy Cahyono; Casimerus Yudi Lastiantoro
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

After the looting and destruction of forest land in the Merubetiri National Park area were effortS to restore the area to its original condition. Various efforts were made involving the community in the rehabilitation of Meru Betiri National Park land. One indicator of the success of land rehabilitation is increasing biodiversity. The purpose of this study was to determine biodiversity in the rehabilitation area of Meru Betiri National Park. The method used uses a 100-200 m striped line combination at each location for vegetation data collection. Vegetation analysis by calculating type frequency, species density, species dominance, important value index, species diversity index, species richness index and distribution pattern. The results showed that there were 14 types of vegetation in 11 families in 4 common observation plots and jackfruit plants (Artocarpus heterophyllus) and showed adaptability and these plants were needed by the community. Based on the results of the study, the INP value of the Wonoasri plot was 103.27% Pete (Parkia speciosa), Bonangan plot was Jackfruit (Artocarpus heterophyllus) of 154.18%, Donglo plot of Jackfruit (Artocarpus heterophyllus) was 133.22%, and Jackfruit Pletes (Artocarpus heterophyllus) of 262.41%. For this reason, it is necessary to do new types of enhancements and compaction of spacing on each rehabilitation plot so that the value of diversity and species richness can increase, so that the success of rehabilitation can be seen.

Variasi Sifat Kimia Tanah Pada Sistem Agroforestri di Kawasan Hutan Tanaman Kayu Putih Ronggo Sadono; Djoko Soeprijadi; Pandu Yudha Adi Putra Wirabuana
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Sifat kimia tanah berperan penting dalam mendukung pertumbuhan dan perkembangan tanaman. Sifat kimia tanah dipengaruhi oleh tipe penggunaan lahan dan jenis vegetasi di atasnya. Perbedaan sifat kimia tanah dapat berpengaruh terhadap laju pertumbuhan tanaman sehingga menghasilkan variasi tingkat produktivitas. Penelitian ini mengkaji variasi sifat kimia tanah sebagai dampak pengembangan sistem agroforestri di hutan tanaman kayu putih. Lokasi penelitian terletak di Resort Pengelolaan Hutan Gubugrubuh, Kabupaten Gunungkidul. Sampel tanah dikumpulkan dari 3 petak yang menjadi prioritas penanaman kayu putih yaitu petak 75, petak 78, dan petak 80. Sampel tanah diambil dari lapisan permukaan pada kedalaman 0-15 cm. Indikator sifat kimia tanah yang diuji meliputi pH tanah, C-organik, N-total, P-tersedia, K-total, dan kapasitas pertukaran kation (KPK). Perbandingan sifat kimia tanah dari setiap petak dianalisis menggunakan metode One Way ANOVA (α=0,05) dan dilanjutkan HSD Tukey (α=0,05). Hasil penelitian menunjukkan kemasaman tanah pada setiap petak termasuk kategori agak masam dengan pH 6,00-6,50. Kandungan C-organik bervariasi antara 1,67-3,30%. Nilai N-total berkisar antara 0,13-0,18% sedangkan P-tersedia mencapai 1,50-6,50 ppm. Kadar K-total dan KPK termasuk kategori rendah dengan rentang nilai masing-masing 0,07-0,38 cmolc/kg dan 6,89-13,66 cmolc/kg. Penelitian ini menemukan bahwa N-total merupakan parameter sifat kimia tanah yang berbeda secara signifikan dari setiap petak (p<0,05).

Pengaruh Perubahan Luas Tutupan Lahan Hutan Terhadap Karakteristik Hidrologi DAS Citarum Hulu Andi Gustiani Salim; I Wayan S Dharmawan; Budi Hadi Narendra
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

The decline in water resources and the occurrence of various hydrological disasters in the Citarum watershed indicate the need to restructure the components inside the watershed, especially land cover in the upper watershed area. This study aims to determine the effect of forest land cover on the hydrological parameters of the upstream Citarum watershed through simulations of the SWAT (Soil and Water Assessment Tool) model. The results showed that the forest cover in the Citarum watershed was only 15.96% of the watershed area and only 4.94% was located in the Upper area. The Flow Rate Coefficient of the upstream Citarum watershed is 31.4, the annual average surface flow and annual erosion are 933.03 mm and 517.9 tons/ha respectively. The simulation from several scenarios shows that a decreasing in forest area can increase discharge and surface runoff, whereas an increase in forest area will increase soil infiltration and evapotranspiration. Decreasing forest area by 10% from existing conditions caused 58% of rainwater to become surface runoff. The large number of discrepancies between the existing conditions and the directions in the RTRWP will require a long time and large costs to adjust so that the short-term alternative that can be done is to convert dryland agricultural cover to the forest to reach forest cover of at least 45% of the land area in the upstream area and can optimize the hydrological function of the watershed.

Strategi Pembangunan Pertanian Berkelanjutan di Pedesaan Berbasis Citra Drone (Studi Kasus Desa Sukadamai Kabupaten Bogor) ihsan arham; Sofyan Sjaf; Dudung Darusman
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Most of the agricultural sector activities are in rural area. Rural and agricultural development requires accurate spatial information so that accuracy in sustainable development planning can be attained. This study was aimed to determine the strategy of sustainable agriculture development planning in a rural area. This research method used a spatial data approach acquiring village imagery produced using a drone. The actual land use analysis used ArcGIS software through a participatory digitization process. Analysis of land carrying capacity using the approach of land availability and land requirements. The results of the analysis became a reference for compiling the direction of planning for sustainable agricultural village development. Analysis of alternative program priorities using the Analytical Hierarchy Process (AHP) approach. The study found that agricultural areas dominated land use in Sukadamai Village with an area of 112,942 ha (42,693%). Land carrying capacity in Sukadamai Village was in a deficit with a comparison ratio of land availability (SL) to land requirements (DL) of 0.22. The strategy of sustainable agricultural development that can be done is the innovative application of effective and efficient land intensification. The program prioritized the criteria of social justice and maximized the government's role in realizing development goals.

Motivasi Masyarakat dalam Pemanfaatan Internet untuk Pengelolaan Sampah di Kecamatan Banyumanik Kota Semarang Vionna Vionna; Maryono Maryono
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Motivation in waste management is one of the driving factors for realizing Smart Waste Management (SWM). The motivation is aimed at being able to change people's behavior in waste management from gathering to waste to reducing and handling the community that can be done through technology assistance in its management system known as the Internet of Things (IoT). Data were collected from 200 respondents who had been served garbage facilities and had used the internet in Banyumanik District using a 1-7 Likert scale. Using Structural Equation Modeling (SEM), this study examines the factors that influence people's motivation in using the internet for waste management. Based on the socio-demographic, economic and solid waste systems in Banyumanik Subdistrict, the researchers found that knowledge of the internet and recycling factors were the most important factors that influenced people's motivation with a correlation coefficient of 1.02. Another influential factor is the condition of the waste facility itself with a correlation coefficient of 0.74. Thus, this study recommends that the government to promote IoT for waste management such as the existence of educational applications about solid waste before continuing on improving the quality of waste facilities equipped with smart components such as sensors, GPS, and others.

Pengaruh Perilaku Masyarakat Terhadap Kualitas Air di Sungai Sekanak Kota Palembang Herda Sabriyah Dara Kospa; Rahmadi Rahmadi
Jurnal Ilmu Lingkungan Vol 17, No 2 (2019): Agustus 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Sungai Sekanak, anak Sungai Musi yang berada di Kota Palembang, telah mengalami pencemaran yang terlihat pada perubahan fisik air sungai. Rencana pemkot untuk mengembalikan fungsi Sungai Sekanak sebagai lokasi wisata perairan harus didukung oleh partisipasi aktif masyarakat setempat. Tujuan dari penelitian ini adalah untuk menganalisis pengaruh perilaku masyarakat terhadap kualitas air di Sungai Sekanak. Metode yang digunakan dalam penelitian ini adalah gabungan metode deskriptif kuantitatif dan kualitatif. Metode deskriptif kuantitatif digunakan untuk mengidentifikasi perilaku masyarakat yang tinggal di bantaran sungai melalui penyebaran kuesioner menggunakan uji frekuensi. Selain itu, metode kuantitatif juga digunakan untuk mengukur kualitas air melalui tes laboratorium menggunakan kriteria mutu air berdasarkan kelas I yang terdapat pada Peraturan Gubernur No. 16 Tahun 2005 tentang Baku Mutu Air Sungai dan Limbah Cair. Selanjutnya, untuk menentukan status mutu air digunakan metode Indeks Pencemaran. Untuk mengetahui pengaruh perilaku masyarakat dalam kegiatan PHBS dan sanitasi digunakan metode kualitatif deskriptif melalui teknik triangulasi sumber data. Hasil analisis frekuensi diperoleh bahwa pengetahuan dan sikap masyarakat terhadap kegiatan PHBS dan sanitasi rata-rata sudah berjalan baik, tetapi sekitar 20 persen masyarakat belum mengimplementasikan pengetahuannya dengan cenderung membuang sampah langsung ke sungai. Berdasarkan hasil uji lab nilai COD, BOD, NH3-N dan fosfat telah melampaui baku mutu yang telah ditetapkan, hal ini mengindikasikan adanya pencemaran hasil buangan limbah domestik dan industri. Hasil analisis status mutu air Sungai Sekanak dari muara hingga ke ujung hulu mengalami kondisi cemar ringan, sehingga tidak sesuai dengan kriteria mutu air yang ditetapkan. Selain itu, tingginya nilai fosfat menunjukkan adanya kandungan deterjen dalam air yang merupakan salah satu indikator dari adanya pencemaran sungai dari kegiatan MCK warga. Perilaku masyarakat yang masih membuang sampah ke sungai, adanya TPS-TPS ilegal yang berada di pinggiran sungai, serta belum tersedianya fasilitas IPAL komunal untuk mengolah limbah domestik dari rumah-rumah warga menyebabkan Sungai Sekanak masih terus tercemar.

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