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Bumi Lestari
Published by Universitas Udayana
ISSN : 14119668     EISSN : 25276158     DOI : https://doi.org/10.24843/blje
Core Subject : Humanities, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Energy Environmental Science
Bumi Lestari Journal of Environment (p-ISSN: 1411-9668; e-ISSN: 2527-6158) is a peer-reviewed journal, presents original research articles and letters in all areas of environmental studies and environmental sciences (biotic, abiotic and social/cultural). This journal has been indexed by cabdirect cabi.org, AJD (Academic Journals Database), ISJD (Indonesian Scientific Journal Database), IndexCopernicus, Portal Garuda, researchBib and Google Scholar. The journal is published by Environmental Research Center (PPLH) of Udayana University. The journal is published two times a year: February and August in both printed and online versions. The online version is free access and download. This journal is devoted to publish research papers such as environmental biology, environmental physics, environmental health, ecology, geosciences and environmental chemistry including such matters as land, water, food, conservation, population, risk analysis, pollution, energy, economics of ecological and non-ecological approaches, social advocacy of arguments for change, analytical methods, legal measures, implications of urbanism, energy choices, waste disposal, health effects, recycling, transport systems, political approaches, social impacts and other issues of mass society. There is concern also for marginal areas, under-developed societies, minorities, species loss, etc. The purpose of this journal is to provide input and its solution to the environmental problems that has happened or will be happen from the results of researchs.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 23 Documents
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Search results for , issue "Vol 12 No 2 (2012)" : 23 Documents clear
DISTRIBUSI DAN KEANEKARAGAMAN KUPU-KUPU (LEPIDOPTERA) DI GUNUNG MANADO TUA, KAWASAN TAMAN NASIONAL LAUT BUNAKEN, SULAWESI UTARA Roni Koneri; Saroyo Saroyo
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Butterfly (Lepidoptera) are beneficial as pollinators, silk producers, indicators of environmentalquality, and are appreciated for their aesthetic value. The objective of the research was tostudy analyze the distribution and diversity of butterfly (Lepidoptera) in Manado Tua Montauin,region of Bunaken National Marine Park, North Sulawesi. This research was conducted overtwo months, between Juni and Juli, 2011 using a sweeping technique applied to follow the linetransect length of 1000 meters at random in each habitat type (primary forest, secondary forest,gardens and shrubs). The result found 28 species from 4 families (Papilionidae, Nymphalidae,Lycaenidae, and Pieridae ). The distribution of each butterfly species is different along habitat.The highest diversity index value (H‘=2.16) was found at shrubs, while the lowest diversityindex value (H‘=0.33) was found at primary forest. This research is expected to be the basicdata on butterfly diversity and effects of habitat changes on the diversity and distribution ofbutterfly in North Sulawesi
PENGELOLAAN LAHAN DENGAN SISTEM AGROFORESTRY OLEH MASYARAKAT BADUY DI BANTEN SELATAN Gunggung Senoaji
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Land management with agroforestry systems have proven economic benefits for communities and benefit protection for the environment. Baduy community in South Banten has implemented agroforestry systems in managing the farm. This study aims to determine the process of agricultural land management with agroforestry systems by Baduy community. The method used is survey method with the partisipatory approaches. Data retrieval is done by field observations and in-depth open interviews. The results showed that Baduy community, especially Baduy-Luar, implement agroforestry systems “kebun sengon campuran” in managing the farm. The farming systems is dryland rice with shifting cultivation with 5-7 years of fallow period. The procedure for farming is governed by customary norms that must be obeyed by the whole community Baduy. On the farm planted with agricultural crops and trees. In the first year of land, found rice vegetables, pulses, the chicks sengon, and trees. In the second years of land found various pulses, vegetables, and tree sengon, and the third-fifth year land has formed the mix sengon plantations. The age of stands sengon as the fallow period in management of their land.
ANALISIS KEBUTUHAN LUASAN HUTAN KOTA BERDASARKAN PENYERAPAN CO2 ANTROPOGENIK DI KOTA KUPANG Philipi de Rozari; Suwari Suwari
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The main purpose of the research is to analyze the needs of urban forest in the Kupang City based on the sink of CO2 anthropogenic. Primary data collected through field surveys and laboratory analysis of leaf samples using carbohydrate method. Case studies and literature are used to obtain secondary data from relevant agencies or literature, especially the results of studies with similar cases. The results showed that increasing emmission of CO2 anthropogenic. Total emissions of CO2 anthropogenic come from the use of fuel oil and gas and electricity consumption was 393,498.003 tons/year, in 2015 increased to 490,673.45 tons/year, and in 2025 reached 710,928.38 tons/year. Urban forest area in the city today in many forms of 969.35 ha or 5.38%, but from the region of the pure function as urban forest is only 177 ha or 0.98%. Based on the absorption of CO2, the needs of urban forest area in the city at this time are sufficient, but based on Government Regulation number 63/2002 that establishes urban forest land area of at least 10% of the area of ??the city, the area available has not yet qualified. CO2 absorption of 9 tree species studied vary between tree species, depending on the mass of net carbohydrates, leaf area, and number of leaves per tree. Plants that have high the absorptive capacity of CO2 are the jackfruit and the banyan tree with value of 453.95 and 428.48 kg/tree/year, respectively, while the lowest  is flamboyant with 0.12 kg/tree/year of CO2 absorption.
JENIS MINERAL LIAT DAN PERUBAHAN SIFAT KIMIA TANAH AKIBAT PROSES REDUKSI DAN OKSIDASI PADA LINGKUNGAN TANAH SULFAT MASAM E. Dewi Yuliana
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research was performed to study the characteristic of acid sulphate  agricultural soil. Since “pasang surut” area are very potensial to be used for agriculture, it advantages and disadvantages has to be investigated based on mineral exchange and chemical characteristic due to oxidation and reduction processes. This research was using completely randomized design ; soil was collected from agricultural area using pots before these pots were then randomly mounted in glass house. This soil then analysed in Laboratory to find out its characteristics such as clay mineral and chemical characteristics of the soil. These analysis were performed twice, i.e. before reduction-oxidation and after reduction-oxidation process. Data than statistically analysed in semi quantitative and qualitative before descriptive interpretations. Results from this analysis indicated that; (1) Reduction-oxidation processes applied to the acid sulfat soil do not change the kind of mineral contained in the soil whether montmorilonit, illit, kaolinit, goethit, or quart; (2) Soil being reduce for 2 months underwent chemical changes such as, soil pH increased form 5 to 5.30, al-dd content were decreased from 7.81 me/100g into 5.35 me/100g, iron ferro was increased from 41.14 ppm into 284.32 ppm, but ferric iron was decreased from 424.73 ppm into 185.79 ppm, the amount of soluble sulphate was decreased from 436.18 ppm into 240.74 ppm; (3) After it was oxidized for two months, chemical characteristic of the soil was changed, soil pH was changed from 5.00 into 4.26, Al-dd was increased from 7.81 me/100g into 20.42 me/100g, ferro iron content was decreased from 51.14 ppm into 21.59 ppm, by contrast, ferric iron content was increased from 424.73 ppm into 448.52 ppm, soluble sulphate was increased from 384.64 ppm into 436.18 ppm.
LANDING CHARACTERISTICS OF FISHING GEARS IN SMALL-SCALE TROPICAL COASTAL FISHERIES OF PELABUHANRATU BAY, WEST JAVA AND ITS APPLICATION FOR GEAR MANAGEMENT Eko Sri Wiyono
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Dalam rangka pengelolaan alat tangkap berbasis ekologi, beberapa indikator komunitas ikan diusulkan untuk mengkarakterisasi alat tangkap yang digunakan pada perikanan skala kecil di Teluk Pelabuhanratu. Lima alat tangkap dikaji berdasarkan data deret waktu hasil tangkapan  bulanan alat tangkap komersial. Hasil analisis menunjukkan bahwa berbagai metode yang digunakan menunujukkan hasil yang saling menunjang. Indeks musim penangkapan, produktivitas dan keragaman indeks ikan yang didaratkan berfluktuasi secara musiman dan mencapai nilai tinggi di musim kemarau. Bagan dan jaring insang, yang tergolong alat tangkap pasif, cenderung memiliki kemiripan karakteristik sepanjang tahun. Kedua alat tangkap yang dikategorikan sebagai alat tangkap multi-target, memiliki periode musim penangkapan yang pendek di musim kemarau dan memiliki tingkat kesamaan hasil tangkapan yang tinggi  sepanjang tahun. Alat tangkap pasif lainnya, pancing ulur dan jaring insang tetap, yang dikategorikan sebagai alat tangkap dengan target tunggal, juga menunjukkan karakteristik serupa. Sebaliknya, payang yang dioperasikan secara aktif dan dikategorikan sebagai alat tangkap dengan multi-target, menunjukkan karakteristik yang berbeda dengan alat tangkap lainnya. Berdasarkan fakta tersebut dapat dismpulkan bahwa dinamika kelimpahan ikan bersama-sama dengan kondisi oseanografi, kapasitas perikanan dan kemungkinan adanya interaksi antar alat tangkap telah menyebabkan keberadaan spesies ikan target berubah dinamis secara musiman. Hasil lain dari penelitian ini juga menunjukkan bahwa untuk mencapai perikanan yang berkelanjutan di Teluk Pelabuhanratu, perlu adanya pengurangan penggunaan bagan.
STUDI AWAL KOMPOSISI DAN DINAMIKA VEGETASI POHON HUTAN GUNUNG POHEN CAGAR ALAM BATUKAHU BALI Sutomo Sutomo; N. K. Erosi Undaharta; T. M. Bangun; I.N. Lugrayasa
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

A permanent 1 ha (100 m × 100 m) plot with 25 subplots (quadrates) and 5 level rows ofaltitudinal difference was established for long-term monitoring of plant diversity and dynamicsin a tropical mountain forest of Pohen Mountain, Batukahu Nature Reserve, Bali, Indonesia.Enumeration of all tree species > 10 cm DBH (diameter at breast height) yielded a total of notless than 300 individuals that belonged to 24 species and 19 families with Podocarpaceae wasthe most abundant family in the forest. Plant density varied from 10-20 individuals/quadrates(20 m × 20 m). Species composition and diversity varied between each quadrates in a rowwithin the 1 ha plot. Third row (intermediate altitude) exhibits the highest species diversitywhereas the fifth row (the highest altitude) had the lowest species diversity. Ordinationanalysis showed that species composition in the first, second and third rows are differentwith species composition in the fourth and fifth row. Most of the pioneer tree species exhibitedclumped distribution over the plot. This study provides baseline information for themanagement and restoration on the tropical mountain forests of Pohen Mountain, BatukahuNature Reserve post wildfire in 1994.
KAJIAN ASPEK LINGKUNGAN DALAM PENGEMBANGAN AGROEKOWISATA PADA SISTEM SUBAK Sumiyati Sumiyati; Lilik Sutiarso; Wayan Windia; Putu Sudira
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Along with the development of the tourism in Bali, one of the phenomena occurs was that the land conversion to the non-agricultural land and pollution, and increased water demand not only for irrigation. These conditions affect the sustainability of the subak system. One strategy to support the sustainability of the subak system is the synergy between agriculture (Subak) to tourism, which developed agroecotourism on the subak system. It must consider the physical and social environment. The purpose of this study is to analyze the existing condition of Subak in Bali and if it made the development agroecotourism on the subak systems. This is about the quality of irrigation water, the physical condition of irrigation facilities, subak system facilities, and socio-cultural conditions of subak system. Water quality in Subak Anggabaya, Subak Lodtunduh, and Subak Padanggalak with the development of Kertalangu agrotourism, is in good condition. It could be argued that if made ??the development of agroecotourism on the subak systems, irrigation water quality can still be maintained in good condition are used for agriculture. The value of physical conditions on Subak Anggabaya was 2.00 (moderate) and at the Subak Lodtunduh are 2.00. With the development of agroecotourism on the subak systems be 2.21 on Subak Anggabaya and 2.23 on Subak Lodtunduh. A Socio cultural condition on subak system management to support the development of agroecotourism area, at Subak Anggabaya was 2.00 (moderate) and at the Subak Lodtunduh are 2.23 (between moderate and good). With expected agroecotourism visitors activities can provide positive influence (3.00) to the local community and the socio cultural conditions of subak system can increase or better.
ANALISIS KESESUAIAN PRASYARAT KAMPUNG SASARAN DENGAN KAMPUNG TERAPAN TERHADAP PROGRAM POLA PENANGANAN PERMUKIMAN KUMUH PERKOTAN DI INDONESIA Jauhari Effendi; Sudirman S Sudirman S
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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This study aim to analyze concordance of target kampong prerequisite with applied kampong from result of execution of 4  project of settlement handling pattern of urban which has been executed in Indonesia (KIP, P2KP, CoBILD, and NUSSP). In this study takes 4 samples of dirty settlement in 2 metropolitans town in Indonesia, Penjaringan Kampong (Jakarta) through KIP, while 3 between of location in Makassar City (Sulsel), Ballaparang Kampong (P2KP), Cambayya Kampong (CoBILD), and Rappokalling Kampong ( NUSSP). Primary survey is done by means of  assists questionaire to obtain condition of applied kampong reality becoming case for every handling pattern, and situation success of repair component in every handling pattern. Responder is leader RT/RW, prominent public, member of the existing kampong and member of former case kampong which populating has outside case kampong assumed knows initial condition of the kampong. This study applies technique snowballing causing is obtained a number of purposive sample from third kinds of the responder. Result of study indicates that fourth of program which has been executed this generally there is unconformability between conditions signed for target kampong with initial condition of applied kampong. Unconformability between conditions of target kampongs with condition of applied kampong reality, indicates that handling pattern of urban slump which has been executed from year to year has not fully experiences change of condition of happened during the period as according to execution time of the handling pattern.
INFLUENCE OF LIGHT WAVELENGTHS ON GROWTH OF TOMATO Hery Suyanto; Ni Nyoman Rupiasih; Dewi Handayani
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Telah dilakukan penelitian tentang pengaruh panjang gelombang cahaya terhadap lajupertumbuhan dan karakteristik klorofil-a pada tanaman tomat. Panjang gelombang cahayayang digunakan pada penelitian ini adalah 450 nm, 470 nm, 550 nm, 650 nm dan 680 nm denganintensitas masing-masing 1000 lux. Penelitian dilakukan mulai saat pembibitan dari hari ke-0sampai dengan hari ke-18 dan fase pertumbuhan dari hari ke-19 sampai dengan hari ke-53. Saatpembibitan, penyinaran dengan panjang gelombang 680 nm mempunyai laju pertumbuhanpaling besar dibandingkan dengan panjang gelombang lainnya bahkan lebih besardibandingkan dengan pembibitan dibawah sinar matahari (dialam bebas) khususnya padahari ke-1 sampai dengan hari ke-8. Laju rata-rata pertumbuhan dengan penyinaran panjanggelombang ini sekitar 1,11 cm/hari. Sedangkan pada fase pertumbuhan penyinaran denganpanjang gelombang 680 nm tidak memberikan efek yang berarti, sebaliknya laju pertumbuhanpaling besar pada fase ini terjadi pada penyinaran dengan panjang gelombang 650 nm.Kenyataan ini juga diperkuat dengan pengambilan data klorofil-a. Berdasarkan data yangdiperoleh, laju pertumbuhan dan kadar klorofil-a dari penyinaran dengan panjang gelombang650 nm masing-masing adalah 0,07 cm/hari dan 7,784 mg/L. Berdasarkan data-data pengamatanmenunjukkan bahwa pertumbuhan tanaman tomat membutuhkan panjang gelombang berlainanyang merupakan fungsi waktu.
PENGARUH KARAKTERISTIK DAN PERSEPSI TERHADAP TINGKAT PARTISIPASI ANGGOTA DALAM KELOMPOK MASYARAKAT PENGAWAS (POKMASWAS) SUMBER DAYA KELAUTAN DAN PERIKANAN Ernik Yuliana; Adi Winata
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This article is objected to identify the member’s participation level on Pokmaswas and the factor’s were be influence. Research design was explanatory research design. Data were collected by data using survey method. The population of study was Pokmaswas’s member in Sukabumi, which is 160 people. Samples are taken randomly from each Pokmaswas, numbering 5-6 people, so the number of samples is 50 people. Data were analyzed with descriptive and multiple regression. The results showed that members of Pokmaswas be in the range of mid-age adults (36-50 years), junior high and high school level education, most are public figures, and have experience of being a member Pokmaswas more than 5 years. Characteristics Pokmaswas members who have a significant effect on the perception Pokmaswas members, is the level of education and experience of being a member Pokmaswas. The participation rate in the reporting of violations Pokmaswas member in writing and in capturing the perpetrators of violations is significantly influenced by the perception of the adequacy of Pokmaswas member. Based on research results, some suggestions can be given is to increase members' experience in running the Pokmaswas Pokmaswas, especially for members Pokmaswas derived from fishing.

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