Judul: Identifikasi lahan kritis dalam kaitannya dengan penataan ruang dan kegiatan rehabilitasi lahan di Kabupaten Sumedang
Abstrak: Land degradated identification is very useful for planning activity on the planners in order to determine the priority area on land rehabilitation and area development program. The aims of this study are : (1) Identification and mapping in Sumedang District in 2000 and 2005, (2) To analyze the position of forest and land rehabilitation program in Sumedang District on degradated land level, (3) To analyze the position between regional spatial use plan of Sumedang District with degradated land level. This study use the spatial analysis method with overlay process by using Geographical Information System on thematic map and tabular data analysis supported by the ArcView GIS Version 3.3 software. The result of this study indicates that the degradated land area is increase during the last 5 years period in this case the degradated land rehabilitation program, and the area of forest and land rehabilitation should be optimized and regional spatial use design.
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Judul: Analisis pola perubahan pemanfaatan ruang dan implikasinya terhadap pelaksanaan rencana tata ruang wilayah kabupaten Sumedang
Abstrak: The development of Sumedang Regency has the implication on the need of spatial which is increase from time to time.In the other side,spatial condition relatively constant,thus it will force the change of land use.
Keyword: Land use changing, inconsistency of spatial planning, GIS method, Pengembangan wilayah, Sumberdaya lahan, Analisis spasial, Sistem Informasi Geografis

Judul: Biology and ecology of the buffalo fly, haematobia exigua de meijere (diptera:muscidae)
Abstrak: The life history of the buffalo fly was observed at room temperature of 27°-29.5°C and at a relative humidity of 48-68 percent. The eggs hatched after 17-22 hours, with an average of 18 hours. First instar larvae measured 1.25 + 0.16 mm long and 0.27 + 0.037 mm wide. reach the second larval stage. It took 6-12 hours to the second instar larvae measured 2.676 +0.187 mm long and 0.353 +0.028 mm wide. The second instar took about 12-24 hours to reach the third larval stage. The third instar measured 6.833 + 0.189 mm long and 0.919 + 0.051 mm wide. It took about 2-3 days for the third instar to become pupae. Duration of the pupal stage was about 5-7 days before the adults emerged. Under laboratory condition, the buffalo fly completed its life cycle in 9.5 to 10.5 days, whereas under field condition it took 9-14 days with an average of 10.5 days. The growth ratio which was based on the measurements of the cephalo-pharyngeal skeleton of each instar was 1.797. The preoviposition period was 8-12 days and mating usually occurred on the 6th or 7th day. The longevity of the male was 29 days, whereas it was 32 days in the female. The range of egg production under laboratory condition was between 20-139 per female fly. The belly and hind legs of the carabao were the most preferred habitat either during cloudy and cool dry or shiny and warm day. When the weather was clear and the carabao was in the shade, the flies tended to be more distributed particularly on the shoulder, dewlap, back and horns. The carabaos had relatively fewer Musca sp. and Stomoxys calcitrans than cattle; never the less carabaos had a higher infestation of buffalo fly than cattle. Oviposition occured either during the day or night but the buffalo flies were more active during the night than in the day time. The effect of various lengths of exposure time of manure in relation to the oviposition was profound. observed, the maximum number of the buffalo flies was occurred when the dung was exposed for 30 minutes. With increasing time of exposure the number and variety of insects also increase. It was evident that Sepsidae and psychodidae were the most dominant insects emerging from the dung. The number of buffalo flies also increased with increasing
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