Judul: WebGIS Application for Monitoring Land Use Change
Abstrak: Indonesia is home to the world’s third largest tropical forest, it’s unfortunate that forest in Indonesia has been reported as the highest deforestation. Agriculture and plantation activities considered as one of factors that cause deforestation. This research focus on monitoring of 5 Commodities (cacao, coffee, oil palm, rubber and paddy) as a factor that causes forest loss in Indonesia. Remote sensing (RS) and geographic information system (GIS) is state of the art tools widely used for the monitoring land use change. Development of WebGIS on this research designed to be user friendly, up to date and can be easily integrated with other GIS system. The government, stakeholders and public users can monitor deforestation that caused by agriculture activities each of region in Indonesia quickly, furthermore help policy makers in provide more appropriate regulations on land use management. From the secondary data that has been analyzed, the result show that Indonesia has forest lost 12.3 million hectares from 2000 to 2018, of which an estimated 4.1 million hectares become plantations and agricultural areas. This means, about 33.5% of those 5 commodities activities have an impact on forest loss, and the remaining around 8.2 million hectares caused by other factors., Indonesia merupakan hutan tropis terbesar ketiga di dunia, namun sangat disayangkan hutan di Indonesia telah mengalami deforestasi tertinggi kedua di dunia. Kegiatan pertanian dan perkebunan dianggap sebagai salah satu faktor penyebab deforestasi. Penelitian ini fokus pada pengembangan WebGIS untuk pemantauan 5 komoditas (kakao, kopi, kelapa sawit, karet, dan padi) sebagai faktor yang menyebabkan hilangnya hutan di Indonesia. Remote sensing (RS) dan sistem informasi geografis (SIG) adalah teknologi yang banyak digunakan untuk memantau perubahan penggunaan tutupan lahan. Webgis pada penelitian ini dirancang ramah pengguna, datanya termuthakir dan dapat dengan mudah diintegrasikan dengan layanan map service dari sumber lain. Pemerintah, pemangku kepentingan, dan pengguna umum diharapkan dapat memantau deforestasi yang disebabkan oleh kegiatan pertanian di setiap wilayah di Indonesia dengan mudah dan cepat, lebih jauh lagi membantu penentu kebijakan dalam membuat peraturan yang lebih tepat tentang pengelolaan hutan. Dari data sekunder yang telah dianalisis, hasilnya menunjukkan bahwa Indonesia telah kehilangan hutan sekitar 12.3 juta hektar sejak tahun 2000 hingga 2018, di mana sekitar 4.1 juta hektar menjadi perkebunan dan area pertanian. Hal ini menunjukkan bahwa sekitar 33.5% dari 5 aktivitas komoditas tersebut berdampak pada hilangnya hutan, dan sisanya sekitar 8.2 juta hektar disebabkan oleh faktor lain.
Keyword: Dashboard, LandUse, Monitoring, Plantation, WebGIS

Judul: WebGIS Application for Monitoring Land Use Change
Abstrak: Indonesia is home to the world’s third largest tropical forest, it’s unfortunate that forest in Indonesia has been reported as the highest deforestation. Agriculture and plantation activities considered as one of factors that cause deforestation. This research focus on monitoring of 5 Commodities (cacao, coffee, oil palm, rubber and paddy) as a factor that causes forest loss in Indonesia. Remote sensing (RS) and geographic information system (GIS) is state of the art tools widely used for the monitoring land use change. Development of WebGIS on this research designed to be user friendly, up to date and can be easily integrated with other GIS system. The government, stakeholders and public users can monitor deforestation that caused by agriculture activities each of region in Indonesia quickly, furthermore help policy makers in provide more appropriate regulations on land use management. From the secondary data that has been analyzed, the result show that Indonesia has forest lost 12.3 million hectares from 2000 to 2018, of which an estimated 4.1 million hectares become plantations and agricultural areas. This means, about 33.5% of those 5 commodities activities have an impact on forest loss, and the remaining around 8.2 million hectares caused by other factors.
Keyword: Dashboard, LandUse, Monitoring, Plantation, WebGIS

Judul: Synthesis of Apatite - Chitosan Composite Using Duck Eggshell and Chitosan with Temperature and pH Control
Abstrak: Composite of apatite-chitosan was prepared by using chitosan as polymer matrix. Calcium phosphate was prepared from CaO and (NH4)2HPO4, which the ratio Ca : P had to be 1.67. Chitosan is produced by deacetilase from biopolymer chitin. Duck eggshell (95% CaCO3) as starting material was converted to be calcium oxide (CaO) through calcinations with temperature 1000oC for 5 hours. In-situ and ex-situ methods were prepared from apatite and chitosan (dissolved with acetate acid 2%). Calcium phosphate prepared for bone implantation, but it is too fragile and brittle to be implant into the body. So addition of chitosan can decrease crystalinity and increase mechanic characteristic (tougher). Composite apatite-chitosan was resulted by fast precipitation. Fast precipitation was held in a breaker glass with nitrogen atmosphere, under controlled temperature at 37oC and pH 7, in order to increase amount of hydroxyapatite. Precipitation with CaO which was dropped by (NH4)2HPO4. Hydroxyapatite and chitosan were appearing at samples with in-situ and ex-situ methods which indicating by peak matching of XRD (closed lattice parameter, crystal size), overlapping at FTIR spectra and supporting by SEM picture (homogenous and agglomerated particle). However, it still needs further research to examine biocompatibility osteoconductive degree of sample by in-vivo and in-vitro test.
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