Edi Chandra, Edi
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POTENSI KARBON DI SUAKA ALAM ALAHAN PANJANG BLOK MANGGANI PROVINSI SUMATERA BARAT Chandra, Edi; Hadinoto, Hadinoto; Ratnaningsih, Ambar Tri
Wahana Forestra: Jurnal Kehutanan Vol. 10 No. 1 (2015)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v10i1.615

Abstract

Indonesia berperan dalam mengurangi emisi gas rumah kaca karena mempunyai hutan luas yang mampu menyerap dan menyimpan karbon dalam biomassa hutan cukup besar. Penelitian ini bertujuan untuk menduga potensi karbon yang terdapat di Suaka Alam Alahan Panjang Nagari Koto Tinggi Provinsi Sumatera Barat. Penelitian dilaksanakan pada plot ukuran 20 m x 100 m sebanyak tujuh buah plot pengukuran dengan intensitas sampling sebesar 0,056 % dari luas total luas kawasan hutan yaitu 2.500 ha. Pada setiap plot pengukuran diambil data diameter pohon ≥ 5 cm < 30 cm dan diameter pohon ≥ 30 cm serta pengambilan tumbuhan bawah pada plot ukuran 1 m x 1 m. Dan pengambilan serasah kasar dan serasah halus dengan ukuran plot 0,5 m x 0,5 m. Selanjutnya dilakukan pendugan potensi karbon dengan persamaan Allometrik : B = 0,118 x D 2,53. Setelah menghitung karbon dengan rumus C = 50% dari total biomassa. CO2 yang diabsorsi digunakan rumus CO2 = C x 3,67. Dari hasil penelitian jumlah vegetasi yang diameter ≥ 30 cm berjumlah 98/1,4 ha = 70 vegetasi/ha, dengan rata-rata diameter 45,67 cm. Vegetasi yang berdiameter ≥ 5 cm < 30 cm berjumlah 163 vegetasi/0,14 ha = 1.164/ha. Total simpanan karbon dari komponen tegakan pohon sebesar 182 ton/ha, tumbuhan bawah sebesar 2,6 ton/ha, serasah kasar sebesar 10,139 ton/ha, serasah halus sebesar 34,8 ton/ha. Sehingga total karbon di Suaka Alam Alahan Panjang Blok Manggani sebesar yaitu 114,769 ton/ha. Jumlah CO2 yang diabsorsi sebesar yaitu 3 x 114,769 ton/ha = 421,204 ton/ha. Kata kunci : biomassa, karbon, vegetasi
Principals’ Managerial Skills in Integrating Local Wisdom into School Culture and Character Education Nurjannah, Siti; Chandra, Edi
BRIDGE : The Multidisciplinary Research Portal Vol. 3 No. 1 (2025): JANUARY (I)
Publisher : LPPM Sekolah Tinggi Teknologi Nusantara Lampung

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Abstract

The integration of local wisdom into school culture has become an essential strategy for strengthening character education in increasingly globalized educational contexts. This study explores how principals’ managerial skills contribute to the effective integration of local wisdom values into school culture and their implications for student character development. Employing a qualitative case study design, data were collected through in-depth interviews, non-participant observations, questionnaires, and document analysis involving principals, teachers, students, and community stakeholders. Thematic analysis was applied to examine managerial practices across key functions, including planning, organizing, directing, and supervising. The findings indicate that principals with strong managerial leadership are able to align school vision and mission with local cultural values, facilitate teacher collaboration, adapt curriculum and extracurricular programs, and actively engage community participation. These practices support the institutionalization of local wisdom within daily school activities and learning processes. As a result, schools demonstrate notable improvements in student character indicators, particularly discipline, responsibility, respect, collaboration, and participation in cultural activities. However, the study also identifies persistent challenges, such as limited resources, uneven teacher commitment, and varying levels of stakeholder support, which require adaptive leadership and continuous evaluation. This study contributes to the educational leadership literature by providing empirical insights into the role of managerial leadership in sustaining culturally responsive school environments. The findings highlight the importance of strategic leadership, stakeholder engagement, and systematic monitoring in embedding local wisdom as a foundation for holistic character education across diverse school contexts.