Judul: Penentuan Lokasi, Luas, dan Volume Genangan Air Sebagai Potensi Cadangan Airtanah di Perumahan Tamansari Persada, Bogor
Abstrak: The changes of the green land-use as retention area to become housing area, will cause problems like enhancement of run-off, reduction of water infiltration to the land, as well as puddle and flood if water volume increases in some area. A study was conducted with the objective to determine the location, area, and volume of puddles at Tamansari Persada Residential, Bogor as groundwaters storages potential. The procedure of sampling and analysis of the data were determination of fixed location of puddles, determination of coordinate points for area and volume of puddles, and analysis of the data by aSurfer 8’s software and Gridding Krigging Method. According the research result from March to April 2013, there were three fixed puddles locations at Palm Cluster and routine flood occured when rain was falling and the maximum volume and area puddles for the first location were 0.11 m3 and 6.57 m2, the second location were 0.26 m3 and 18.82 m2, and the third location were 0.35 m3 and 20.77 m2. Generally, there are correlation from enhancement of lowest elevation, areas, and volumes of puddle and have been proved by Linear Regresion Method. From this method will produced puddle potential formula and the value of determination coefficient (R2) closer to 1. The location, areas, and volume of puddles could becoming reference of puddles potential and absorbed to the ground as an groundwater.
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Judul: Analisis Hubungan Curah Hujan dengan Volume Genangan Air di Perumahan Tamansari Persada, Bogor
Abstrak: Negative impact due to the disappearence of water catchment is the decrease of land capability to infiltrate rainwater causing run off, ponding water or even flooding. This research was conducted with anobjective to know a relationship between rainfall and volume of the ponding water. The location selected in this research was Tamansari Persada Residence in Bogor between March until April 2013. The research was conducted in two phases, which were primary data collection by measuring coordinate points of the ponding water and secondary data collection of daily rainfall. Gridding method based on Surfer 8 was used to calculate the volume. The results showed linear equation relationships between rainfall and volume of ponding water at Location 1 is y = 14.80x - 1.456 with the coefficient of determination 0.558, in Location 2 is y = 30.56x + 96.18, with the coefficient of determination 0.901, and Location 3 linear is y = 53.16x + 46.89, with the coefficient of determination 0.685. The small coefficient of determinations at Locations 1 and Location 3 might be caused by several factors such as ineffective use of time measurement.
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Judul: Karakteristik Karkas Kelinci Hyla Hycole dan New Zealand White
Abstrak: Kelinci hyla berasal dari China dan kelinci hycole berasal dari Perancis adalah kelinci pedaging yang diimpor pada tahun 2012 untuk dikembangkan di Indonesia. Evaluasi produktivitas karkasnya dibandingkan dengan kelinci new zealand white yang telah beradaptasi di Indonesia. Hal ini dilakukan untuk mengetahui performanya di iklim tropis Indonesia. Penelitian ini menggunakan rancangan acak lengkap dengan perlakuan galur kelinci, yaitu hyla (CC), hycole (PP), dan new zealand white (NN). Peubah yang diamati adalah karkas (bobot karkas, potongan komersial, dan proporsinya) dan non karkas (bagian non karkas dan proporsinya). Pengaruh perlakukan dianalisis menggunakan analisis kovariat dengan bobot awal dan bobot potong sebagai kovariatnya. Kelinci CC, PP, dan NN memiliki bobot potong serta bobot proporsi karkas yang sama, perbedaan terdapat pada potongan komersial, serta komponen karkas dan non karkas. Kelinci CC memiliki bobot dan proporsi tulang rack dan loin, lemak intermuskular dan ginjal, total lemak serta kaki depan yang lebih tinggi dibandingkan PP dan NN. Kelinci PP memiliki bobot dan proporsi tulang hindleg lebih tinggi dibandingkan CC. Kelinci NN memiliki bobot dan proporsi rack, daging foreleg dan loin, tulang hindleg, kepala, dan kulit-rambut lebih tinggi dibandingkan CC dan PP. Produktivitas karkas kelinci CC, PP, serta NN sangat baik dan dapat dikembangkan lebih lanjut menjadi kelinci pedaging atau melalui tindakan pemuliaan, baik persilangan maupun seleksi menjadi kelinci pedaging yang adaptif iklim tropis.
Keyword: hycole, hyla, karakteristik karkas, new zealand white