Judul: Struktur Ekonomi dan Konversi Lahan Pertanian di Kabupaten Samosir
Abstrak: Samosir district has abundant natural resources both in agriculture and non-agriculture. However, if the construction is not directed to destroy the environment. The purpose of the study are to analyze the economic structure of Samosir District, to estimate the magnitude of the rate of conversion of agriculture land, and to identify the factors of agricultural land conversion. This survey used several tools, such as shift share analysis, partial rate, multiple regression analysis, logistic regression analysis, and content analysis. Sample were taken by purposive sample. A decade after separation became a district, in fact Samosir regency has not experienced a shift of economic structure and growth of the economic structure of the district experienced a positive growth. The largest sector contribution to GDP is agricultural sector by 67,35 percent followed by 18,62 percent service sector and trade, hotel and restaurant of 9,02 percent. Based on these results it can be said Samosir regency has a superior sector in the agricultural sector. Therefore, the district must improve or maintain agricultural production, especially food crops. Land conversion has taken place every year in Samosir regency. Average rate of conversion of agricultural land in Samosir regency of 1,1 percent per year. In this thesis, building land area, industrial, and percentage of labor in the agriculture sector are factors that led to the conversion of land at the regional level. Factors affecting the conversion of agricultural land at the farm level are long lived, farming experience, the price of fertilizer, and harvest. Based on content analysis the draft Regulation (RAPERDA), RTRW seems to be conservative and tourism infrastructure have extensive linkages to agriculture, industry, and services. This suggests that local governments pro-agriculture-based tourism that is expected to control agricultural land conversion occurs.
Keyword: Samosir Regency., Land Conversion, Economic Structure

Judul: Analisis Spasial Konversi Lahan Sawah Menuju Ketahanan Beras Domestik di Kecamatan Ciampea Kabupaten Bogor
Abstrak: Bogor regency has high of population growth, economy, and infrastructure so that the need for residential land is also high. Land conversion to settlements is irreversible (not-return) and has long-term impact. Conversion of paddy fields to settlements has impact to food security. The aim of this research is to: analyze the distibution of paddy fields based on slope and road distance, analyze socioeconomic of paddy fields farmer and determine the adequacy of domestic rice and the potential threat of domestic rice security due to. The techniques used are the analysis of images to find out characteristics of land cover/use and see the distribution of paddy fields by slope and distance of the road, determine the socioeconomic characteristics of paddy field farmers through interviews, logistic regression to determine factors affecting land conversion, calculation of the balance of the rice, and overlay to find out rice security threat. The type of land use in sub-district Ciampea dominated by dryland, mixed farming, and rice fields. The existence of paddy fields and farming are dominant at southern regions and a small portion is at the northern area. The result of regression analysis logistics binary obtained that the variable of broad rice fields ( X5 ) has the most influential factor.The equation is (Y) =-49.769 + 8.193X5. Based on the level of rice security threat, 9 villages belong to categorized of medium and 4 villages belong to high category, while based on level of potential rice fields conversion 8 villages belong to categorize of low, 2 villages belong to medium category and 3 villages belong to high category. The balance of rice in the sub-district Ciampea is deficit, because almost entire village belong to deficit status and only one village has surplus status. This condition has threaten the availability of rice while the level of potential rice fields conversion dominanted by low category and has failed to fullfil domestic food security in sub-district Ciampea, as it’s dominant villages belong to medium category.
Keyword: Bogor Agricultural University (IPB), Sosio-economic, Rice Security, Paddy Fields, Land Conversionn, Ciampea, Balance of Rice

Judul: Infeksi Cacing Jantung Dirofilaria Immitis, Railliet & Henry, 1911 Pada Anjing
Abstrak: Cacing Dirofilaria immitis dewasa yang tinggal dalm ventrikel kanan jantung anjing, sering kali menimbulkan gejala klinis yang cukup berat. Cacing Tersebut menghasilkan mikrofilaria yang selanjutnya berkembang menjadi larva infektif dalam saluran malphigi induk semang entara, yaitu nyamuk dari genus Culex, Aedes dan Anopheles.
Keyword: