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KAJIAN SPASIAL DAMPAK PERUBAHAN IKLIM TERHADAP PRODUKSI PERTANIAN Rika Harini; Bowo Susilo
Agripita: Jurnal Agribisnis dan Pembangunan Pertanian Vol 1 No 1 (2017): JURNAL AGRIPITA
Publisher : Agribusiness Study Program Universitas Sriwijaya in Collaboration with Indonesian Society of Agricultural Economics (PERHEPI/ISAE)

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Abstract

One of the pillars studies in sustainable development at the global level (SDGs) is a development environment. This pillar examines food security, sustainable consumption patterns and climate change. Climate change will affect agricultural activities. Climate change often causes experienced farmers crop failure because excessive rain or long summer season. The purpose of this study was to assess the effect of climate change on agricultural production. This study uses secondary data, that is rainfall data and agricultural production data as a baseline. This study examined descriptive statistics using maps, tables and graphs. The results showed a trend towards a decrease in agricultural production in all districts/cities. Based on regression analysis of the decline in agricultural production, namely cereals (rice, corn, cassava and sweet potato) is significantly influenced by changes in rainfall in all regions of the Province North Kalimantan except Tana Tindung Distict.
SIMULASI SPASIAL BERBASIS SISTEM INFORMASI GEOGRAFI DAN CELLULAR AUTOMATA UNTUK PEMODELAN PERUBAHAN PENGGUNAAN LAHAN DI DAERAH PINGGIRAN KOTA YOGYAKARTA Bowo Susilo
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractLand use change is one of phenomena which have relation to various environmental issues.Global warming, loss of biodiversity and impact to human life are main issues related toland use change. Those issues have been drive international organizations to developparticular program to study land use change. One of the well known programs is Land Use/Cover Change (LUCC).Working group of LUCC suggested three core subject of researchrelated to land use change. Those are situation assessment, modeling and projecting andconceptual scaling.This research aimed to modeling dynamic of land use change based on spatial simulation.Integration of cellular automata and geographic information system were used to performspatial simulation. Modeling of land use dynamic was focused on conversion from agricultureland to non agriculture land. Three sub districts which are situated at urban fringe ofYogyakarta had been selected as research area. Those three sub districts were Depok,Mlati and Gamping.Time series of land use maps comprising year 1982, 1992 and 2000 as well as populationdata were used to generate input of spatial simulation. Several maps which denote qualityof land were used to develop transition rule. Results of simulation were spatial predictionof land use change for year 2001 toward 2007. It was then validated using land use 2007as reference. Validation test show that predicted and actual condition have fair agreement.
Analisis Kadar Logam Berat Kromium (Cr) dalam Air dan Ikan Akibat Pembuangan Limbah Industri Penyamakan Kulit di Sungai Opak, Piyungan, Bantul, Daerah Istimewa Yogyakarta Erwika Dora Jati; Sigit Heru Murti; Bowo Susilo; Khaerul Amru; Mutia Herni Ningrum; Said Fahmi
Prosiding Seminar Nasional Teknik Lingkungan Kebumian SATU BUMI Vol 5, No 1 (2023): PROSIDING SEMINAR NASIONAL TEKNIK LINGKUNGAN KEBUMIAN (SATU BUMI) KE-V
Publisher : UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/psb.v5i1.11674

Abstract

Sungai Opak merupakan sungai besar di Yogyakarta yang melintasi banyak kawasan industri salah satunya adalah kawasan industri Piyungan. Sejak tahun 2012, jumlah industri Piyungan yang menggunakan logam berat semakin meningkat terutama industri penyamakan kulit. Hal ini, berdampak langsung terhadap Sungai Opak sebagai tempat pembuangan air limbah. Penelitian ini bertujuan untuk mengukur kadar kromium (Cr) di dalam air dan ikan pada Sungai Opak. Pengambilan sampel didasarkan pada metode purposive sampling. Analisis kandungan logam kromium pada air dan ikan menggunakan AAS (Atomic Absorption Spectrophotometer). Lokasi pengambilan sampel ditentukan berdasarkan prioritas yang disusun berdasarkan jumlah dan jenis kegiatan serta distribusi sumber dan jenis pencemar. Parameter yang diukur terhadap 5 jenis titik pengambilan sampel meliputi kromium pada air dan kromium pada ikan. Hasil penelitian menunjukkan bahwa kandungan kromium pada ikan tidak melebihi baku mutu, sedangkan 2 dari 5 titik sampling air memiliki kandungan kromium sebesar sebesar 0,08 dan 0,55 mg/L yang melebihi baku mutu air.