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Journal : agriTECH

Studi Intersepsi Hujan pada Hutan Tanaman Eucalyptus Pellita di Riau Agung Budi Supangat; Putu Sudira; Haryono Supriyo; Erny Poedjirahajoe
agriTECH Vol 32, No 3 (2012)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.741 KB) | DOI: 10.22146/agritech.9610

Abstract

The aim of this study is to know the magnitude of rainfall interception loss in E. pellita plantation forest, at PerawangRiau. In order to obtain the magnitude of interception loss, stemfl ow and throughfall were measured on E. pellita plants at ages of 2 to 6 years with replication of 3 times, respectively. The results showed that the magnitudes of interception loss, throughfall and stemfl ow were 13.3-18.7 %; 7.7-83.1 % and 3.6-4.1 % from rainfall, respectively. The canopy storage capacity was calculated at 0.8 mm. The relationships of rainfall against both throughfall and stemfl ow showed strong correlations with r2 values of 0.99 and 0.79, respectively; while rainfall against interception has moderate correlation with r2 value of 0.58.ABSTRAKPenelitian ini bertujuan untuk mengetahui besarnya kehilangan air melalui intersepsi di hutan tanaman E. pellita, di Perawang-Riau. Untuk menghitung besarnya nilai intersepsi, dilakukan pengukuran aliran batang (stemfl ow) dan lolosan tajuk (throughfall) pada umur tanaman 2, 3, 4, 5, dan 6 tahun, masing-masing 3 ulangan pohon. Hasil penelitian menunjukkan besaran kisaran nilai intersepsi, throughfall dan stemfl ow masing-masing 13,3-18,7 %; 7,7-83,1 % dan 3,6-4,1 % dari curah hujan. Kapasitas tampungan tajuk (canopy storage capacity) tanaman E. pellita rata-rata sebesar 0,8 mm. Hubungan curah hujan dengan throughfall dan stemfl ow menunjukkan korelasi yang kuat (r2 rata-rata 0,99 dan 0,79), sedangkan dengan intersepsi korelasinya kurang kuat (r2 rata-rata 0,58).
Co-Authors Abd. Kadir W. Abd. Kadir W. Abd. W Kadir, Abd. W Abd. W. Kadir, Abd. W. Agung B. Supangat Agung Budi Supangat Agung Budi Supangat Astri Winda Siregar Batseba A. Suripatty Boy Rahardjo Sidharta Budiadi Budiadi Chafid Fandeli David Suwito Diah Irawati Dwi Arini Diah Irawati Dwi Arini Djoko Marsono Djoko Marsono Djoko Marsono Djoko Marsono Djoko Marsono Djoko Marsono Djumanto Djumanto Djumanto Dradjat , Moch. Frita Kusuma Wardhani Haryono Suprijo, Haryono Haryono Supriyo Haryono Supriyo Haryono Supriyo Haryono Supriyo Herawikan Mandiriati Herawikan Mandiriati Hermawan, Much . Taufik Tri Hermawan, Much. Taufik Tri Iin Sumbada Sulistyorini, Iin Sumbada Ikhwanudin Rofi'i Imanuddin Imanuddin Jeriels Matatula, Jeriels Krisnawati Krisnawati Lies Rahayu WF Lies Rahayu Wijayanti Faida Lies Rahayu Wijayanti Faida Mariah Ulfa Moch. Dradjat Moehar Maraghiy Harahap Much. Taufiq Tri Hermawan Muh. Taufik Tri Hermawan Muhamad Salamuddin Muhammad Reza Pahlevi Muhammad Wahyudi Muli Edwin, Muli Musyafa Musyafa Ni Putu Diana Mahayani Putri, Adhe Viana Yulida Putu Sudira Putu Sudira Putu Sudira Putu Sudira Ragil Widyorini Ris Hadi Purwanto Rohmani Sulisyati Ronggo Sadono San Afri Awang San Afri Awang Saputra, Dimas Cahya Kurnia Satria, Ryan Adi Satya Agustina Laksananny satya laksananny Satyawan Pudyatmoko Satyawan Pudyatmoko Satyawan Pudyatmoko Satyawan Pudyatmoko Setyono Sastrosumarto Setyono Sastrosumarto, Setyono Sigit Heru Murti Suratman Wardhani, Frita Kusuma Yunita Lisnawati