Bawean Island has attractive biodiversity and natures that are potential for development. The present study was aimed to investigate (i) the potential of Bawean Island's natural resources for ecotourism (ii) local knowledge of Bawean people on plant diversity and uses, and (iii) the potential of plants for commodities supporting ecotourism development. The potential of Bawean Island for ecotourism was examined based on data of attractive natural environments, while the local knowledge was obtained by interviewing Bawean people and observation of the daily practical use of plants. Various plants were analysed for their potential as commodities suppporting ecotourism. The results showed that Bawean Island has high potential resources for ecotourism. It is ranging from beaches, mountains, rivers, plant diversity, and endemic animals. The local knowledge showed that Bawean has plant diversity with various potential uses. There were 81 plant species traditionally used by Bawean people, including plants for foods (40 species), ornamental plants (15 species), timbers for housings and buildings (9 species), medicines (8 species), natural dyes (4 species), and other uses (5 species). Various plant species potential as the commodity supporting ecotourism development included Abelmoschus manihot (traditional food), Diospyros discolor (fresh local fruit), Nypa fruticans and Pandanus tectorius (local handicrafts), Phalaenopsis amabilis (ornamental plants or cutting flowers). The use of plants in Bawean Island needs to consider the sustainable use of plants and conservation approaches.
Bawean Island is a small island located between two islands (Java and Borneo). Geographically, the diversity of plants, especially epiphytic plants on this island is very interesting to be studied. This research aims to investigate the diversity of epiphytic plants, focussing on epiphytic orchids, Hoya and Dischidia in Bawean Island Nature Reserve and Wildlife Reserve. It was conducted through an inventory of epiphytic orchids and hoya growing on host trees. The results showed there were 10 species of epiphytic orchid and 3 species of epiphytic Hoya, and 1 species of Dischidia growing on-location studies. The epiphytic orchids which found in location studies included Phalaenopsis amabilis, Aerides odorata, Cymbidium aloifolium, Dendrobium anosmum, Rhynchostylis retusa, Liparis condylobulbon, Taeniophyllum biocellatum, Cymbidium sp., Eria sp. Orchid species that most often found in the study location was Phalaenopsis amabilis. In addition, this study recorded Taeniophyllum biocellatum as an endemic orchid from Java that was found on this island. The epiphytic Hoya recorded in there, i.e. Hoya diversifolia, H. verticillata, and H. amoena, and also only found 1 species of Dischidia was Dischidia imbricata. There were 12 species of trees as the host trees of epiphytic, i.e. Irvingia malayana, Tectona grandis, Diospyros buxyfolius were the host trees frequently found as the host of the epiphytic plant. Zone 3 as an area of 1/3 basal part of a total length of the branches was the most preferred zone by epiphytic orchids and hoya. The epiphytic orchid and hoya hardly found in Zone 5.
Bananas (spp.) are widely cultivated in Indonesia. They are extensively grown in backyards, home gardens, Musa intercropped with short term crops and also in agroforestry sy . stem The potential of bananas to sequester carbon has been reported but there is limited knowledge on the performance of various cultivars. An inventory of biomass and C-stock estimation on banana accessions has been conducted in germplasm plots -Purwodadi Botanic Garden, Musa Pasuruan. Estimation on biomass and C-stock have been conducted for 42 individual banana accessions, comprised 5 wild banana species and 37 cultivars using non-destructive method i.e. allometric equation for banana. The objectives ere conduct inventory on the biomass and C-stock estimation of Indonesian bananas in of this study w to germplasm collection of Purwodadi Botanic Garden, to make the projections of time average above ground for Cstock of banana farming system in Indonesia and to discuss the potential role of bananas in land rehabilitation. The results showed that estimation value of biomass and C-stock varied from one to another. Wild banana accession Musa balbisiana Musa acuminata species had higher biomass and C-stock value than wild species. Banana cultivars containing one or two "B" genome (ABB and AAB) were more vigorous and contributed higher biomass and C-stock than AAA and AA cultivars. Among cultivars, the highest C-stock was contributed by Pisang Kepok Bung (average of 6.92 kg C/plant) whereas the lowest C-stock was contributed by Pisang Rayap (average of 0.67 kg C/plant). In average, various Indonesian bananas studied contributed around 2.26 kg C/ or 0.98 tonnes C/ha. plantThe growing area of bananas increased from 73,539 ha in 2000 to 101,822 ha in 2010, which was decreased to 100,600 ha in 2014, contributing C-stock around 72.28 tonnes C in 2000 increasing to 100.07 tonnes C in 2010 with a decrease to 98.97 tonnes C in 2014. These numbers are still limited only to the recorded areas. anana plants in combination with B woody tree crops, are potential as important component of agroforestry r and mixed farming systems , home ga dens to rehabilitate and reforest landscape, to decrease carbon emission in atmosphere in the form of biomass and Cstocks and to meet the economic needs for local surrounding community.
Jenis polong-polongan (suku Fabaceae) banyak digunakan dalam kegiatan rehabilitasi lahan terdegradasi sebagai tanaman pionir dan penyubur tanah. Kinerja hidrologi pohon jenis polong-polongan dalam kaitannya dengan konservasi tanah dan air belum banyak diketahui. Tujuan penelitian ini adalah untuk mengevaluasi besarnya lolosan tajuk, aliran batang dan intersepsi empat jenis polong-polongan terseleksi di Kebun Raya Purwodadi. Empat jenis pohon polong-polongan lokal yaitu Pterocarpus indicus, Cassia javanica, Senna siamea, dan Saraca indica diamati kinerja hidrologinya selama 20–30 hari hujan. Hasil penelitian menunjukkan bahwa keempat jenis polong-polongan yang memiliki model arsitektur tajuk yang sama yaitu troll dengan variasi karakteristik morfologi pohon dan daun menghasilkan variasi nilai pada intersepsi tajuk, lolosan tajuk dan aliran batang. Intersepsi dan lolosan tajuk keempat jenis pohon mempunyai nilai seimbang berkisar 30–70%, dengan aliran batang yang dihasilkan kecil berkisar 1–2%. Berdasarkan kinerja hidrologinya tersebut, penanaman keempat jenis polong-polongan untuk konservasi tanah dan air memerlukan upaya pengendalian lolosan tajuknya.
An ethnobotanical study at Moyo Island, West Nusa Tenggara was carried out to record the traditional knowledge and utilization of plant species there. It is expected that traditional knowledge can play a role in natural resource management systems which can be used in conservation programs. This research was conducted with field observational methods in the Moyo forest and interviews with local people that have knowledge about utilization of plants. There are about 48 species of plants which are utilized by the Brangkuah Community in Moyo Island. Most of them are collected from the forest and 21% (10 species) are cultivated. Local people also use plants for medicine 41% (21 species), food 39% (20 species) and building materials 16% (8 species). The Brangkuah have started to cultivate several plants which are used as building material and food plants which previously collected from the forest. The Brangkuah community has conserved useful plants for their daily life. It is expected that the forest is sustainable. J Bangladesh Agril Univ 17(3): 325–337, 2019
Agroforest has an important role to supporting food security, energy, and water sustainably. Study aimed to determine cropping patterns types and plant diversity in agroforests applied by farmers in Wringin Village Subdistrict Wringin Situbondo Eat Java was conducted in March 2018 used explorative and descriptive methods. Data collection was conducted by field observation and interviewing the farmers. The field observation of the type of cropping pattern was conducted by purposive sampling in agroforests. The results showed that there were several types of cropping pattern in the fields. Combination of paddy gogo (Oryza sativa L.) and cassava (Manihot esculenta Crantz) with tree plants were dominance model of cropping patterns in agroforests applied by the famers in Wringin village. The cultivated plants in agroforests have potential as fruit, vegetable, food, spice, fodder, timber and medicinal plants.
Degradasi hutan dan perkembangan industri memberikan dampak negatif bagi iklim global. Tegakan vegetasi hutan sangat berperan dalam penyerapan emisi CO2 di udara. Tujuan penelitian ini adalah untuk mengetahui struktur komunitas vegetasi, indeks keanekaragaman tumbuhan, dan simpanan karbon tegakan di Wana Wisata Tampora, Kabupaten Situbondo, Jawa Timur. Penelitian dilakukan dengan metode transek dan menghitung indeks keanekaragaman tumbuhan meliputi indeks keanekaragaman Shannon-Wiener (H'), indeks kekayaan (R) dan indeks kemerataan (E), sedangkan penghitungan estimasi simpanan karbon dilakukan menggunakan persamaan allometrik. Hasil penelitian menunjukkan bahwa nilai H' pada strata tumbuhan bawah tergolong tinggi (3,18) sedangkan untuk pancang dan pohon tergolong sedang (2,68 dan 2,60). Hasil estimasi simpanan karbon tegakan menunjukkan nilai rata-rata 145,94 ton/ha. Jenis-jenis tumbuhan dengan Indeks Nilai Penting (INP) dan penyumbang karbon tinggi antara lain Schleichera oleosa (83,97 dan 56,49 ton/ha), Lannea coromandelica (58,88 dan 32,35 ton/ha), Tectona grandis (24,72 dan 8,5 ton/ha), Azadirachta indica (20,72 dan 8,27 ton/ha), dan Acacia nilotica (9,40 dan 8,39 ton/ha). Hasil penelitian akan bermanfaat bagi pemerintah daerah sebagai dasar dalam pengembangan Wana Wisata Tampora dan pengelolaan keanekaragaman hayati.
Abstract. Danarto SA, Budiharta S, Fauziah. 2019. Tree species preference and land rehabilitation perspective by local community: Case study in Bondowoso, East Java, Indonesia. Asian J For 3: 54-63. Forest and land rehabilitation efforts require socio-economic assessment to enhance the likelihood of success when such efforts are implemented on the ground. This study aimed to find out local community’s preference on tree species used for rehabilitation programs and their perspective that influence such selections in regard to social, economic and ecological objectives of land management. The study was conducted Gubrih sub-watershed, Sampean watershed in Bondowoso District, East Java, Indonesia which provided an ideal case study of land rehabilitation. Questionnaires were distributed to respondents chosen randomly to select tree species that have ecological and/or economic values. Result of the study showed that among 62 species of trees listed in the questionnaire, there were 45 species chosen by the respondents. There were 13 species of trees selected by more than 20% of total respondents (high preferred), suggesting the potential list of species for rehabilitation programs in the region. Local community in Gubrih Sub-watershed had understood the importance of trees as a source of income as well as a measure to conserve environmental functions. This was strengthened with land-use systems they selected which preferred tree-based land-use systems, such as in the form of plantation of timber species and agroforestry over dry land agriculture. The findings of this study suggested that there is opportunity in rehabilitating degraded lands in Sampean watershed using tree species preferred by local communities under the land use system of timber plantation or agroforestry. Our study demonstrates that similar strategy of incorporating ecological and socio-economic perspectives could be applied to another regional context to enhance the chance of success of rehabilitation programs.
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