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All Journal Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Jurnal Bisnis Kehutanan dan Lingkungan
Aipassa, Marlon I.
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Agriculture, Biological Sciences & Forestry Environmental Science

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PENDUGAAN EVAPOTRANSPIRASI DI LAHAN AGROFORESTRI DAN LAHAN TERBUKA HUTAN PENDIDIKAN FAKULTAS KEHUTANAN UNMUL Sarminah, Sri; Pasaribu, M. Brian J. Pasaribu; Aipassa, Marlon I.
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 18, No 2 (2019): Oktober 2019
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v18i2.4349

Abstract

Air adalah substansi yang paling melimpah di permukaan bumi dan merupakan komponen utama bagi semua mahluk hidup serta merupakan  kekuatan utama yang secara konstan membentuk permukaan bumi, penelitian ini bertujuan untuk mengetahui nilai elemen-elemen hidrologi untuk pendugaan evapotranspirasi pada lahan agroforestri menggunakan petak ukur limpasan dan lahan terbuka menggunakan lysimeter, penelitian berlokasi di lahan terbuka dan lahan agroforestri di Hutan Pendidikan Fakultas Kehutanan Unmul Samarinda (HPFU), pada lahan agroforestri kombinasi jabon (Anthocephalus cadamba Miq.) dan Kacang buncis (Phaseolus vulgaris L.) dipasang Petak Ukur Limpasan berukuran 10 m × 3,5 m dan pada lahan terbuka dipasang lysimeter berukuran 60 cm × 58 cm yang dibenamkan ke dalam tanah. Metode yang digunakan dalam pendugaan evapotranspirasi ini yaitu menggunakan pendekatan persamaan Neraca Air. Hasil penelitian dengan kejadian hujan sebanyak 30 kali selama ± 4 bulan memiliki total Curah hujan yang tertampung sebesar 882,35 mmdengan total  limpasan permukaan (Q) sebesar 66,92 mm (7,58%), kandungan air tanah (Δs) sebesar 88,78 mm (10,06%) dan infiltrasi (If) sebesar 88,24 mm (10%) dengan nilai evapotranspirasi (Et) sebesar 638,41(72,35%) terjadi pada lahan agroforestri dan pada lahan terbuka total kandungan air tanah (Δs) sebesar 86,77 mm (9,83%), perkolasi (Pc) sebesar 44,42 mm (5,03%) dan limpasan permukaan (LP) sebesar 41,47 mm (4,70%), dengan nilai evapotranspirasi (Et) sebesar 709,69 mm (80,43%).
Corporate environmental compliance and sustainability in palm oil plantation activities Putra, Bima Adi; Aipassa, Marlon I.; Ruslim, Yosep; Siahaya, Martha E.
Jurnal Bisnis Kehutanan dan Lingkungan Vol. 3 No. 1: July (2025)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/jbkl.v3i1.2025.1818

Abstract

Background: One key aspect of sustainable palm oil industry development is responsible environmental management. The Indonesian government, through the Ministry of Agriculture, mandates that oil palm plantation companies implement Indonesia Sustainable Palm Oil (ISPO) standards. A crucial requirement includes conducting an Environmental Impact Analysis (EIA) and obtaining environmental permits. Companies must enhance their sustainability performance, particularly in environmental management. Methods: The research method used is to review environmental management documents and evaluate the results of laboratory analysis that have been obtained by PT. T. Data collection in this study was carried out through observation, interviews and literature studies. This study aims to examine the effectiveness of the implementation or implementation of the RKL-RPL of Oil Palm Plantations of PT. T with reference to environmental documents. Findings: Findings indicate that PT. T's Environmental Impact Analysis/Analisis Dampak Lingkungan (AMDAL) implementation complies with regulatory requirements. The Environmental Management Plan/Rencana Pengelolaan Lingkungan (RKL)—Environmental Monitoring Plan/Rencana Pemantauan Lingkungan (RPL) implementation is considered effective due to strong internal and external communication and coordination. Effective environmental management is driven by clear policies, standard operating procedures (SOPs), and competent human resources. Additionally, the company benefits from a well-structured organization, sufficient facilities, and adequate funding. Conclusion: The implementation of PT T's Environmental Management Plan/Rencana Pengelolaan Lingkungan (RKL)—Environmental Monitoring Plan/Rencana Pemantauan Lingkungan (RPL) in environmental management has been effective due to intensive communication, internal-external coordination, and the support of clear policies and standard operating procedures (SOPs). This success is supported by competent human resources, a well-structured organization, as well as adequate facilities and funding. Novelty/Originality of this article: The novelty of this research lies in its comprehensive evaluation of corporate environmental management effectiveness, offering valuable insights into best practices for sustainable palm oil production in Indonesia.
Co-Authors Pasaribu, M. Brian J. Pasaribu Putra, Bima Adi Sarminah, Sri Siahaya, Martha E. Yosep Ruslim