Please use this identifier to cite or link to this item: http://repository.ipb.ac.id/handle/123456789/58915
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dc.contributor.advisorHaridjaja, Oteng
dc.contributor.advisorSitorus, Santun R.P.
dc.contributor.authorSusanto, Bambang
dc.date.accessioned2012-12-20T01:45:55Z
dc.date.available2012-12-20T01:45:55Z
dc.date.issued2010
dc.identifier.urihttp://repository.ipb.ac.id/handle/123456789/58915
dc.description.abstractOptimizing the utilization of dry land in Indonesia are still many challenges. One reason is the threat of land degradation. Meanwhile, the data distribution of degraded land area is still uncertain, because the criteria and priorities for handling still differs across agencies. The objectives of the study were to develop criteria (class interval) and the classification level of land degradation in dryland for the reconnaissance and semi-detailed scales, and to analyze the relationship between the level of land degradation with the erosion. Data collection method is survey method. The data analysis technique are: cluster analysis, stepwise multiple discriminant analysis, simple regression analysis and prediction of erosion equation MUSLE (Modified Universal Soil Loss Equation). This study resulted three criteria (class interval) to five critical variables of land degradation at reconnaissance and eight critical variables of land degradation at semi-detailed scale. The eight of critical variables of land degradation are: the type of parent material, slope, soil conservation measures (P value), texture fraction of silt, type of land use / vegetation (C value), P-available, Al-dd, and H-dd. This research also resulted in three class of the land degradation classification for the reconnaissance and semi-detailed scales. Classification of land degradation level at reconnaissance scale, namely: 1) light (score <16), 2), moderate (score 16-39), and 3) severe (score> 39). The classification of land degradation level at semi-detailed scale are: 1) light (score <15), 2) moderate (score 15-38), and 3) severe (score> 38). Based on simple regression analysis, showing the relationship between the erosion that occurred at the site of research to score of land degradation level, although the correlation is still low.en
dc.description.abstractOptimalisasi pemanfaatan lahan kering di Indonesia termasuk di Kabupaten Bogor masih banyak menghadapi tantangan, terutama karena adanya ancaman degradasi lahan yang dicirikan dengan penurunan sifat fisik, kimia dan biologi. Sementara itu proses identifikasi lahan-lahan terdegradasi masih sangat beragam hasilnya. Hal ini disebabkan oleh belum tersedianya data yang akurat mengenai lahan-lahan yang terdegradasi karena belum tersedia kriteria dan klasifikasi tingkat degradsi lahan yang baku. Walaupun sudah ada akan tetapi sifatnya masih sektoral tergantung dari tujuan dan kepentingan dari instansi yang menghasilkannya, dimana metode yang dihasilkan tersebut hanya didasarkan pada judgement professional semata dengan bias yang cukup besar. Bertolak dari hal tersebut maka penelitian ini dilakukan dengan pendekatan yang terpadu antara pendekatan statistik dengan judgement professional sehingga diperoleh hasil kriteria dan klasifikasi tingkat degradasi lahan yang lebih baik. Penelitian ini bertujuan untuk mengembangkan kriteria (selang pengkelasan) dan klasifikasi tingkat degradasi lahan untuk skala tinjau dan semi-detil berdasarkan variabelvariabel penentu degradasi lahan, serta untuk mengetahui hubungan keterkaitan antara tingkat degradasi lahan dengan besarnya erosi yang terjadi.
dc.publisherIPB (Bogor Agricultural University)
dc.subjectclassificationen
dc.subjectcriteriaen
dc.subjectland degradationen
dc.titleDeveloping of criteria and classification of land degradation level on dryland (Case Study : Dryland in Bogor Regency)en
dc.titlePengembangan kriteria dan klasifikasi tingkat degradasi lahan pada lahan kering (Studi Kasus: lahan kering di Kabupaten Bogor)
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