Judul: Perencanaan pola tata guna lahan denga program tujuan ganda
Abstrak: Salah satu pola pelestarian sumberdaya lahan, adalah mengatur kembali penggunaannya. Setiap penggunaan lahan dengan tanaman tertentu akan menyebabkan tingkat erosi yang berbeda. Selain itu juga akan menyebabkan tingkat pendapatan yang berbeda pula, seperti yang terjadi di Desa Tugujaya, Kecamatan Cijeruk, Kabupaten Bogor, Jawa Barat. Tujuan penelitian ini adalah mencari kombinasi luas lahan usahatani di Desa Tugujaya untuk jenis tanaman tertentu dengan mempertimbangkan kendala pendapatan, laju erosi, dan tenaga kerja, serta biaya sarana produksi pertanian, dengan menggunakan program tujuan ganda. Aktivitas usahatani berupa jenis tanaman yang dominan, sedangkan kendala tujuannya adalah pendapatan, laju erosi, tenaga kerja dan biaya sarana produksi pertanian. Kendala sumberdaya adalah luas lahan pekarangan, sawah, perkebunan dan tegalan. Dalam analisis data dikemukakan empat macam model. Model pertama, prioritas pertama pendapatan maksimum, prioritas kedua tenaga kerja dan biaya sarana produksi pertanian minimum, sedangkan kendala erosi diabaikan. Model kedua, prioritas pertama pendapatan maksimum, prioritas kedua rendahnya laju erosi, dan prioritas ketiga tenaga kerja dan biaya sarana produksi pertanian minimum…dst
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Judul: Pengoptimuman Ruang Terbuka Hijau dan Ruang Terbangun di Kota Bogor
Abstrak: Conversion of green open space to built space without planning will lead to the decrease of agricultural land and environmental degradation. The decrease in agricultural land and poor agricultural cropping patterns result in the reduction of food self-sufficiency ability of a region. It is therefore necessary to organize green open space and built space which supports food selfsufficiency program. This plan can be done using mathematical models. In this work we model the land use problem in the framework of a goal programming. The objective of this research is to optimize the built space, green open space, and agricultural cropping pattern in the City of Bogor. The program used to obtain the solution is LINGO 11.0. The optimal solution of the problem is expressed in term of optimum land use, optimum area of agricultural crops, deficit/surplus built space, deficit/surplus green open space, as well as the deficit/surplus consumption demand the fulfillment of local agricultural commodities. This information shows that the fulfillment built space and green open space target is achieved, while the target local consumption demand of farm crops is not reached. The results of this work can be utilized by the government of Bogor in determining land use policy.
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Judul: Studi histopatologi organ limpa hamster (Mesocricetus auratus) yang Diinfeksi Coxiella burnetii
Abstrak: Query fever is a zoonosis caused by Coxiella burnetii (C. burnetii). The aim of this research was to determine the histopathological changes of spleen of hamster (Mesoscricetus auratus) which were infected by C. burnetii using Haematoxylin-Eosin (HE) and Immunohistochemistry (IHC) methods. This research used 6 hamsters which were devided into two passage. The histopathological examination picture with HE staining of first passage in hamsters showed relatively similar results with those the second passage such as red pulp hemorrhage and infiltration of inflammatory cells. Histopathological observation of spleen from first passage hamster by using IHC staining showed the positivity was unclear compared to the second passage hamster.
Keyword: Coxiella burnetii, Immunohistochemistry, Query Fever