Judul: Analisis Perubahan Penutupan dan Penggunaan Lahan di DAS Ciliwung dan Cisadane
Abstrak: In this study, we examined the spatial and temporal patterns of land use and cover change (LUCC) and population change dynamics in the Northern Watershed of West Java. Those watersheds are Ciliwung and Cisadane. The objective of this study was to quantify the drivers of LUCC using long-term Landsat image data from 1978, 1995 and 2012. We found the changing of LUCC, especially in those watersheds boundary still continues since the growth of society and economy are increasing. Therefore, it needs a significance breakthrough to figure out the driver of LUCC of changing by using an easy and smart technology of Geographical Information System (GIS). A GIS gives the information about the driver of LUCC and at the same time monitoring the enviromental for minimizing some efforts of direct observation. The results show that the changing in those watersheds following several processes and in the end changed into settlements and dry lands, predominantly. The predicted drivers are number of population, density of population, soil type, slope, precipitation, and distance to city. The logistic regression analysis (LRA) by using forward stepwise model show that those drivers inclined to affect LUCC, respectively.
Keyword: Bogor Agricultural University (IPB), watershed management, Landsat image, Cisadane Watershed, Ciliwung Watershed

Judul: Identifikasi dan Pemetaan Lahan Kritis dengan Menggunakan Teknologi Sistem Informasi Geografis dan Penginderaan Jauh (Studi Kasus di Sub DAS Cisadane Hulu, Kabupaten dan Kota Bogor, Provinsi Jawa Barat)
Abstrak: Watershed degradation in Indonesia is caused by population increase and land-use dan land cover changes. Cisadane watershed is the one of major watershed in which its areas situated across provincial boundary. The watershed is choosen as one of a priority watershed, which is need to be managed well. The purpose of this research are to identify the level of critical land, its area, to identify distribution in the sub watershed of Cisadane‟s upstream and to identify the causal factors of critical land. The research was held on April-October 2012 in the sub watershed of Cisadane‟s upstream. The critical land analysis was determinded by three areas function, thats are protected area, cultivation area, and the outside of protected forest area. The determining parameter of critical land are land cover, slope, erosion‟s risk level, land management, land productivity, and rock outcrops. The scoring value was added to each of parameter and overlayed to each area function. The result showed that the critical land of up stream part of sub watershed of Cisadane consist of several levels. The most severe critical land was about 107,67 hectares (0,25%), the critical area was 1.144,28 hectares (2,66%), and somewhat critical area was 3.177,70 hectares (7,38%), potential critical area mostly was 20.428,60 hectares (47,45%), and non-critical area was 1.612,83 hectares (3,75%). The potential critical land was distributed mostly at protected area (1784.10 hectares) and in cultivation area (726,99 hectares), especially at Caringin District. Whereas the most severe critical land was found at outside of protected forest area (66.61 hectares), especially in South Bogor District. The level of critical land in sub watershed of Cisadane‟s upstream caused by different factors. The causal factors of critical level at protected areas and outside of protected forest area were land cover, slope, erosion‟s risk level, and land management. Whereas the causal factors of critical land level at cultivation area are land productivity, slope, erosion hazard level, land management, and rock outcrops.
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Judul: Trichomonas Gallinae Penyebab Trichomonosis Pada Unggas
Abstrak: Trichomonas gallinae adalah protozoa yang bergerak aktof dengan keempat flagella yang mempunyai layar dan pada salah satu sisinya terdapat membran seperti sirip ikan yang berombak. Spesies dari genus Trichomonas ini mempunyai arti penting pada unggas, karena dapat menyebabkan infeksi pada alat pencernaan bagian atas.
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