Jurnal Penelitian Kehutanan Wallacea
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Perbandingan vigoritas benih Acacia mangium hasil pemuliaan dan yang belum dimuliakan
Get PDFSeeds with high vigour are seeds that can germinate normally in sub-optimum conditions and above normal in optimum condition. To predict the performance of seedlings after planting and the storability of seeds, it is necessary to test the seed vigour. This study aims to investigate the growth and storage vigour of Acacia mangium breeding and unbreeding seeds. The experiment design was arranged in completely randomized design with each treatment being replicated four times with 100 seeds. Results obtained showed that breeding seeds had better growth and storage vigour
Pengaruh Komposisi Biopotting Terhadap Pertumbuhan Sengon Laut (Paraserianthes Falcataria L. Nietsen) Di Persemaian
Get PDFTo support the growth of sengon laut optimal seeding in the field, it is necessary to have seed quality. Quality seedlings in the nursery are directly influenced among others by the condition of the growing medium. Biopotting is a pot growing medium made of compost derived from organic ingredients and blended with beneficial soil microbes eg mycorrhizae. This study aims to determine the optimal composition biopotting for seedling growth sengon laut (Paraserianthes falcataria L.Nielsen) for three months in the nursery. Experimental design used was completely randomized design with treatment composting saw dust 70% + clay 30%+ Mycorrhiza (S7T3M), sawdust compost 70% + clay 30%+ Without Mycorrhiza (S7T3TM), sawdust compost 80% + clay 20%+ Mycorrhiza (S8T2M), sawdust compost 80% + clay 20% +Without Mycorrhiza (S8T2 TM), kerinyu compost 70 % +clay 30%+ Mycorrhiza (K7T3 M),
kerinyu compost 70% + clay 30% + Without Mycorrhiza(K7T3TM), kerinyu compost 80% + clay 20% + Mycorrhiza (K8T2M) and kerinyu compost 80%+ clay 20%+ without Mycorrhiza(K8T2TM). Biopotting formulations made from sawdust compost 70% + clay 30% + Mycorrhiza FMA (S7T3M) has added 9.49 cm tall seedlings, stem diameter 1.802 mm and seedling quality index is 0.3908. To support the growth of sengon laut optimal seeding in the field, it is necessary to have seed quality. Quality seedlings in the nursery are directly influenced among others by the condition of the growing medium. Biopotting is a pot growing medium made of compost derived from organic ingredients and blended with beneficial soil microbes eg mycorrhizae. This study aims to determine the optimal composition biopotting for seedling growth sengon laut (Paraserianthes falcataria L.Nielsen) for three months in the nursery. Experimental design used was completely randomized design with treatment composting saw dust 70% + clay 30%+ Mycorrhiza (S7T3M), sawdust compost 70% + clay 30%+ Without Mycorrhiza (S7T3TM), sawdust compost 80% + clay 20%+ Mycorrhiza (S8T2M), sawdust compost 80% + clay 20% +Without Mycorrhiza (S8T2 TM), kerinyu compost 70 % +clay 30%+ Mycorrhiza (K7T3 M), kerinyu compost 70% + clay 30% + Without Mycorrhiza(K7T3TM), kerinyu compost 80% + clay 20% + Mycorrhiza (K8T2M) and kerinyu compost 80%+ clay 20%+ without Mycorrhiza(K8T2TM). Biopotting formulations made from sawdust compost 70% + clay 30% + Mycorrhiza FMA (S7T3M) has added 9.49 cm tall seedlings, stem diameter 1.802 mm and seedling quality index is 0.3908
Dinamika Agroforestry Tegalan di Perbukitan Menoreh, Kulon Progo, Daerah Istimewa Yogyakarta
Get PDFLand management in agroforestry systems requires species selection and proper silviculture. Selection of species and silvicultural treatments aimed at maintaining competition in obtaining a light, water and nutrients. Farmers choose the species based on the economical factor. This study aims to determine the composition of plant species in dry land agroforestry in Menoreh Hill, Kulon Progo District. Research done by survey method. Plot observation was divided into three level of light intensity: : a) early agroforestry (light intensity >50%), b) middle agroforestry, (light intensity 30-50%), c) further agroforestry (light intensity <30%). Four planting plots were made as repetition, so that there were 12 plots observation. Observations and measurements of vegetation are done with census (100%). The Result show five important value index in early Agroforestry,: sengon (77.84), coconut (50.04), and cacao (25.47), tree density was 482 trees/hectare and basal area 5.48 m2/ha, in middle agroforestry were: sengon (88.15), mahogany (49.51), and clove (45.03), with tree density was 595 trees/ha, and basal area was 6.70 m2/ha, further agroforestry were: clove (72.37%), sengon (50.61), and coconut (37.02), tree density was 650 trees/ha, basal area was 6.78 m2/ha
Pendugaan Parameter Genetik Semai Nyawai (Ficus Variegata Blume) Asal Pulau Lombok
Get PDFGenetic parameters were estimated for height and diameter characteristic of Ficus variegata Blume seedlings planted in the nursery of The Centre for Forest Biotechnology and Tree Improvement, Yogyakarta at 8 months of age. The trial involved seedlings from several mother trees (family) originated from Lombok Island. The trial was arranged in a Randomized Complete Block Design (RCBD) which comprised of 17 families as treatment, 3 replications and each replication comprised 10 seedlings. Analysis of varians showed that height and diameter were significantly different between families. Family heritabilities for height and diameter characteristic were 0.98 and 0.91 respectively, while genetic correlation between the two characteristics were 0.7. This information is very important for future genetic improvement of the species
Valuasi total ekonomi hutan mangrove di Kawasan Delta Mahakam Kabupaten Kutai Kartanegara Kalimantan Timur
Get PDFHutan mangrove merupakan komunitas vegetasi pantai tropis, yang didominasi oleh beberapa jenis pohon mangrove yang mampu tumbuh dan berkembang pada daerah pasang surut pantai berlumpur. Aktivitas penebangan dan pengalihan fungsi hutan mangrove oleh masyarakat sekitar menyebabkan luasan hutan mangrove di Kawasan Delta Mahakam mengalami penurunan. Tujuan penelitian ini yaitu: untuk mengindentifikasi jenis dan fungsi ekosistem dari luasan hutan mangrove; menghitung nilai ekonomi total yang dihasilkan oleh hutan mangrove; mengkaji faktor-faktor yang berpengaruh terhadap manfaat ekonomi yang diperoleh pada kawasan hutan mangrove Delta Mahakam, Kabupaten Kutai Kartanegara. Hasil penelitian ini menunjukkan terdapat empat tipe hutan mangrove yang dominan pada kawasan tersebut yaitu bakau (Rhizopora spp), api-api (Avicennia spp), pedada (Sonneratia spp) dan nipah (Nypa fructicans), dan mengalami penurunan fungsi (penahan abrasi, lapang pekerjaan, dan tempat tinggal) akibat berkurangnya luasan hutan mangrove. Hasil ini didukung dengan perhitungan nilai ekonomi total pada tahun 2012 sebesar Rp503.071.398.869,2. Faktorfaktor yang memengaruhi manfaat ekonomi hutan mangrove agar tetap lestari pada nilai rekreasi yaitu biaya perjalanan, umur, pekerjaan mahasiswa, dan jumlah tanggungan, sedangkan faktor yang memengaruhi keberadaan hutan mangrove yaitu pekerjaan (swasta dan mahasiswa) dan pendapatan, sementara faktor yang berpengaruh terhadap kelestarian bekantan yaitu pendapatan, asal dalam daerah dan luar daerah
Komposisi, preferensi dan sebaran jenis tumbuhan pakan kakatua sumba (Cacatua sulphurea citrinocristata) di Taman Nasional Laiwangi Wanggameti
Get PDFSumba Cockatoo is an endemic bird and critically endangered in the island of Sumba. The population was declined drastically due to habitat degradation and illegal hunting. Management habitat activities such as enrichment important vegetation for Sumba Cockatoo has been made as in situ conservation ways. The purpose of this study was to determine the composition, preference and distribution of feeding plant species of Sumba Cockatoo at Laiwangi Wanggameti National Park. Vegetation analysis was made to know habitat characteristics by quadrat method with double compartment, with amount of 20 unit per location. The feeding preference was analyzed by Neu’s Method. The result showed that a total of 14 species were identified as food plants of the Sumba Cockatoo. The feeding plant spread uniformly at Praingkareha Forest Block and clumped at Billa and Mahaniwa. The most preferred food plant by Sumba Cockatoo were Lamo (Melia azedarach), Kayarak (Quercus piriformis) and Kepapang (Phaseolus lunatus) . All three have clumped distribution pattern
Keragaman Genetik Tetua Dan Anakan Dari Kebun Benih Semai Acacia Mangium Grup D (Am004) Di Sumatera Selatan, Indonesia
Get PDFInformasi keragaman genetik dari satu generasi ke generasi selanjutnya merupakan faktor penting untuk pengelolaan dan konservasi genetik kebun benih. Tujuan dari penelitian ini adalah untuk mengevaluasi tingkat keragaman genetik tetua sebagai generasi pertama (F1) dan anakannya (F2) dari kebun benih Akasia mangium yang ada di kebun benih semai Grup D (AM004) di Sumatera Selatan. Analisis dilakukan terhadap 251 tetua dan ± 200 biji dari 10 pohon induk. Analisis menggunakan 12 penanda mikrosatelit menunjukkan bahwa rata-rata jumlah alel yang terdeteksi (A) dari semua tetua dan anakannya adalah 8,23 dan 7.08. Secara umum, tingkat keragaman genetik tetua dan anakan tidak berbeda (He=0.609 untuk tetua dan He=0.606 untuk anakan). Penelitian ini mendeteksi keberadaan alel baru pada anakan. Kondisi ini menunjukkan kemungkinan adanya kontaminasi serbuk sari dari luar kebun benih
Etnoekologi Masyarakat Sekitar Taman Nasional Taka Bonerate dalam Pemanfaatan Kima Lubang (Tridacna crocea) dan Ikan Malaja (Siganus canaliculatus)
Get PDFTaman Nasional (TN) Taka Bonerate sebagai salah satu taman nasional laut di Indonesia merupakan sumber keanekaragaman hayati. Dua komoditas di TN Taka Bonerate, yaitu kima lubang dan ikan malaja, perlu dievaluasi potensi dan sebarannya akibat pemanfaatan oleh masyarakat sekitar yang ditengarai telah melebihi ketersediaannya. Penelitian ini bertujuan untuk mengkaji etnoekologi masyarakat dalam pemanfaatan kima lubang (Tridagna crocea) dan ikan malaja (Siganus canaliculatus) di TN Taka Bonerate. Data penelitian dikumpulkan melalui wawancara, observasi lapang, dan studi pustaka. Data dianalisis secara deskriptif kualitatif. Hasil penelitian menunjukkan bahwa pemanfaatan kima lubang oleh masyarakat sebagian besar untuk pemenuhan kebutuhan sendiri (subsisten). Adapun pemanfaatan ikan malaja dilakukan masyarakat dengan tujuan niagawi, karena ada permintaan pasar, baik segar maupun kering
Pertumbuhan semai Alstonia scholaris, Acacia auriculiformis dan Muntingia calabura yang diinokulasi fungi mikoriza arbuskula pada media tanah bekas tambang kapur
Get PDFThe application of Arbuscular Mycorrhizal Fungi (AMF) is a solution to produce high quality seedlings. Seedlings inoculated by AMF has high survival rate, especially on extreme land condition such as post mining limestone. Alstonia scholaris, Acacia auriculiformis and Muntingia calabura are tolerant plants species to alkaline and poor soils such as post mining limestone. The research was conducted to determine the effect of inoculation of indigenous AMF from post mining limestone on the seedling growth A. scholaris, A. auriculiformis and M. calabura. A complete randomized design with five treatments of AMF types (Acaulospora sp., Gigaspora sp., mix of Acaulospora sp. and Gigaspora sp., Glomus sp. and non AMF inoculation) was applied. The results showed that inoculated seedlings with indigenous AMF had higher growth response than non inoculated seedlings of A. scholaris, A. auriculiformis and M. calabura. Indigenous AMF inoculation improved height and stem diameter growth, biomass and quality index of seedlings as well as P uptake. The best increment growth is shown by A. auriculiformis seedling after inoculating with Acaulospora sp. and mix of Acaulospora sp. and Gigaspora sp, while inoculation with Acaulospora sp. gave the best increment on seedling growth of A. scholaris and M. calabura
Kondisi vegetasi di hutan lindung Sesaot, Kabupaten Lombok Barat, Nusa Tenggara Barat, sebagai informasi dasar pengelolaan kawasan
Get PDFThe Research has been conducted in buffer zone, Sesaot Protected Forest. The aim of research is to provide information about the condition of the vegetation that covers the diversity, structure, and composition. This information is important for forest managers to maintain and even improve the composition of plant species as natural forest vegetation.Therefore, studies of forest vegetation have been conducted in two blocks (Waode and Pengkoak) using stratified sampling plots. The results indicate that the minimum curve area were found in plots of (40 x 40 m) developed in two different blocks of observations with each diversity index was 1.23 (in waode) and 1.14 (in Pengkoak). Vegetation structure in the block Waode was fairly well possessing an L-type structure, while for the block Pengkoak was somewhat less well with a U-shaped like structure. Twenty-nine plant species in Waode and 26 species on the Pengkoak were recorded with a similarity index (IS) of 0.47. The similarity index indicates that the two blocks are quite different in species composition. In the block Waode, Saurauria pendula is a dominant tree with an IVI of 107.79 followed by Debregeasia dichotoma (IVI 95.55). In contrast, in the block Pengkoak, D. dichotoma has the highest IVI, followed by Laportea decumana