Mangroves are an important ecosystem that provides valuable social, economic, and environmental services. Indonesia has placed mangroves on its national priority agenda in an important effort to sustainably manage this ecosystem and achieve national climate commitments. However, mangrove management is faced with complex challenges encompassing social, ecological, and economic issues. In order to achieve the government’s commitments and targets regarding mangrove restoration and conservation, an in-depth study on and critical review of mangrove management in Indonesia was conducted herein. This work aimed to provide a comprehensive analysis of the challenges and strategic recommendations for sustainable mangrove management in Indonesia. SWOT analysis was carried out to understand the strengths, weaknesses, opportunities, and threats related to mangrove management in Indonesia. To address these gaps, we reviewed the existing policies, current rehabilitation practices, environmental challenges, and research and technology implementations in the field. We found that strategies on mangrove ecosystem protection, such as improving the function and value of mangrove forests, integrating mangrove ecosystem management, strengthening political commitments and law enforcement, involving all stakeholders (especially coastal communities), and advancing research and innovations, are crucial for sustainable mangrove management and to support the national blue carbon agenda.
Key words : Germination, mindi (M. azedarach), seedling growth, seed size/weight ABSTRAK Pengadaan benih untuk meningkatkan keberhasilan penanaman memerlukan benih dalam jumlah dan mutu yang baik. Permasalahan yang terkadang muncul dalam rangka pengadaan benih adalah menentukan cara seleksi benih yang memiliki mutu fisiologis yang tinggi, salah satunya berhubungan dengan ukuran benih. Benih mindi (Melia azedarach) mempunyai ukuran bervariasi. Penelitian seleksi benih mindi dilakukan karena adanya dugaan bahwa benih berukuran besar memberikan keuntungan dilihat dari mutu fisiologis kerena persediaan cadangan makanan yang lebih mencukupi untuk perkecambahan. Terkait dengan hal tersebut telah dilakukan penelitian dengan tujuan mengetahui pengaruh seleksi benih berdasarkan ukuran dan berat terhadap perkecambahan dan pertumbuhan bibit
Planting of k aliandra (Caliandra calothyrsus Meissn.) is generally carried out by preparing the seedling using polybagwith top soil media. Large quantities of polybag may pollute the forest soil because polyethylene is difficult to be degraded. The research aimed to test ten compositions of block seedling media as a growth media for kaliandra seedlings in nursery and field. The research used randomized completely design for testing the effect o f block seedling media compositions on (1) the strength of block ed seedling media; (2) growth of k aliandra seedlings in the nursery and field test. The result showed that the media composition KM-3 (mixed media of compost 40%, rice hull charcoal 20%, soil 20%, lime 10%, tapioca 10%, rhizobium 3 g), KM-7 (compost 30%, rice hull charcoal 20%, soil 30%, lime 10%, tapioca 10%, rhizobium 3 g) and KM-8 (compost 30%, rice hull charcoal 20%, soil 30%, lime 10%, tapioca 10%, mycorrhizae 3 g) had intactness media level more than 90% after 2 months testing in nursery. Composition of KM-3 was the best growth media for kaliandra seedlings in nursery and field testing.Key words: Alternative growth media, Caliandra calothyrsus , growth, polybag AB STRAKPenanaman kaliandra (Caliandra calothyrsus Meissn.) secara umum dilakukan dengan menyiapkan bibit dalam wadah plastik (polybag) dengan media tanah permukaan. Penggunaan polybag dalam jumlah besar dapat mencemari lahan hutan karena polybag sulit untuk terdekomposisi. Penelitian ini bertujuan untuk menguji sepuluh komposisi media semai cetak terhadap pertumbuhan bibit kaliandra di persemaian dan lapangan. Penelitian mengguna kan Rancangan Acak Kelompok dengan perlakuan komposisi media semai cetak. Parameter yang diuji adalah (1) kekuatan media cetak; (2) pertumbuhan bibit di persemaian dan lapangan. Hasil penelitian menunjukkan bahwa komposisi KM-3 (campuran media kompos 40%, arang sekam 20%, tanah 20%, kaptan 10%, tapioka 10%, rhizobium 3 g), KM-7 (kompos 30%, arang sekam 20%, tanah 30%, kaptan 10%, tapioka 10%, rhizobium 3 g), dan KM-8 (kompos 30%, arang sekam 20%, tanah 30%, kaptan 10%, tapioka 10%, mikoriza 3 g) memiliki tingkat keutuhan media lebih dari 90% setelah diuji selama 2 bulan di persemaian. Komposisi KM-3 merupakan media terbaik untuk pertumbuhan tinggi dan diameter bibit kaliandra di persemaian dan lapangan.
A. leucophloea Pilang (a) merupakan salah jenis potensial untuk kayu energi dan cocok ditanam pada lahan terdegradasi, karena mempunyai sistem perkaran yang kompak. Tujuan penelitian untuk mendapatkan metode uji perkecambahan yang dapat meningkatkan viabilitas benih. Metode uji meliputi pengujian perlakuan pendahuluan: kontrol (tanpa perlakuan), benih direndam dalam air kelapa selama 30 dan 60 menit, dengan H SO selama 20 dan 40 menit, dalam air panas (suhu 100 C) selama 10 dan 20 detik kemudian masukkan air ke dalam air biasa selama 24 jam. Setelah perlakuan pendahuluan benih di tabur dengan metode : UDK (Uji Di atas Kertas), UAK (Uji Antar Kertas), UKDdp (Uji Kertas Digulung dengan posisi didirikan), media pasir tanah (1:1), media pasir tanah (1:1) ditutup plastik selama 1 minggu pertama. Perlakuan pendahuluan dan metode uji perkecambahan terbaik adalah benih direndam dengan H SO selama 20 menit dengan metode uji UDK.
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