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Ecogreen
Published by Universitas Halu Oleo
ISSN : 24079049     EISSN : -     DOI : -
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Ecogreen diterbitkan oleh Fakultas Kehutanan dan Ilmu Lingkungan Universitas Halu Oleo dengan frekuensi terbit dua kali dalam setahun yaitu pada bulan April dan Oktober. Isi jurnal terbuka untuk berbagai tulisan dari hasil penelitian dan catatan penelitian dari berbagai aspek yang terkait dengan bidang manajemen hutan, silvikultur, teknologi hasil hutan dan ilmu lingkungan. Jurnal ini diterbitkan dengan tujuan sebagai media komunikasi ilmiah para pemerhati dibidang kehutanan dan lingkungan, agar dapat diketahui, didiskusikan dan dimanfaatkan bersama
Arjuna Subject : -
Articles 87 Documents
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KARAKTERISTIK MORFOMETRI MENENTUKAN KONDISI HIDROLOGI DAS RORAYA Kahirun Kahirun; La Baco S.; Umar Ode Hasani
Jurnal Ecogreen Vol 3, No 2 (2017)
Publisher : Universitas Haluoleo

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Abstract

ABSTRAKKarakteristik morfometri DAS digunakan sebagai dasar dalam pengelolaan baik pencegahan  maupun  penanggulangan banjir.  Namun selama ini dalam penanganan banjir puncak tidak pernah memperhatikan morfometri DAS sebagai karakteristik dasar alami yang mempengaruhi perilaku air (hidrologi) sungai dalam suatu  DAS.  Penelitian bertujuan untuk mengetahui karakteristik morfometri  menentukan perilaku hidrologi sebagai dasar dalam pengelolaan sumberdaya air di DAS Roraya. Hasil penelitian menunjukkan bahwa DAS Roraya  berdasarkan deliniasi peta administrasi skalaa 1:250.00, memiliki luas DAS Roraya adalah 1.455,97 km2, terbagi atas 5 Sub DAS. Karakteristik morfometri menunjukkan bahwa DAS Roraya berbentuk memanjang. Kerapatan drainase DAS Roraya tergolong kelas sedang dan indeks percabangan sungai berkisar antara 3-5 tergolong dalam kelas sedang.  Sehingga DAS Roraya tidak rawan banjir, namun apabila terjadi kondisi iklim yang ekstrim  maka menyebabkan DAS Roraya mengalami banjir besar, sehingga terjadi penggenangan air dalam waktu yang relatif lama. Upaya pengelolaan DAS Roraya berbasis karakteristik morfometri dengan memperhatikan beberapa Sub DAS dengan mempertahankan ketersediaan dan keberlanjutan air sepanjang tahun tetap ada, kebutuhan sumber daya air dapat dipenuhi. Secara fisik pada wilayah tengah  DAS/sub  DAS  Roraya dapat  dibangun dam pengendali (cekdam), embung dan/atau bendungan air yang dilengkapi pintu air yang dapat mengatur kontinuitas aliran sungai. Kata kunci: DAS, parameter morfometri, karakteristik hidrologi  ABSTRACTThe morphometry characteristics of watershed is used as the basis for flood management and mitigation. However, during peak flood handling, it has never considered watershed morphometry as a natural basic characteristic that affects river water (hydrological) behavior in a watershed. The objective of this research is to know the characteristic of morphometry to determine the hydrological behavior as the basis for the management of water resources in the Roraya watershed. The results showed that Roraya watershed based on delineation of administration map scale 1: 250.00, has wide Roraya watershed is 1.455,97 km2, divided into 5 sub-basins. Characteristics of morphometry show that  the shape of the Roraya watershed is elongated. Roraya watershed drainage density is medium class and river branch index (bifurcation ratio) ranges from 3 to 5 belonging to medium class. So that Roraya watershed is not prone to flooding, but if there is extreme climatic conditions then cause the Roraya watershed to flood large, resulting in waterlogging in a relatively long time. Efforts to manage Roraya watershed based on morphometric characteristics with respect to several sub watersheds by maintaining water availability and sustainability throughout the year, the need for water resources can be met. Physically in the middle area of the Roraya watershed/ sub watershed can be constructed dam (control), embung and / or water dam equipped with sluice gate that can regulate the continuity of river flow. Keywords: watershed, morphometric parameters, hydrological characteristics
ANALISIS TINGKAT BAHAYA EROSI DAN LAHAN KRITIS DI DAERAH ALIRAN SUNGAI RORAYA PROVINSI SULAWESI TENGGARA La Baco S. La Baco S.; Umar Ode Hasani; Kahirun Kahirun; Abdul Jalil
Jurnal Ecogreen Vol 4, No 1 (2018)
Publisher : Universitas Haluoleo

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Abstract

ABSTRACTThe degree of erosion hazardand critical land has a link to affect soil conditions. Lands that have a heavy erosion rate tend to be critical which is characterized by low soil productivity. The purpose of this study was to analyze the degree of erosion hazard and critical land in the Roraya watershed. This research was conducted using survey method for primary and secondary datacollection. The results showed that soil erosion rates in the Roraya watershed were dominated by moderate erosion rates (15 - 59 ton/ha/year) and heavy erosion rates (180 - 460 ton/ha/year) of 48,295.10 hectares (33 , 17%) and 37,362.89 hectares (25.66% of the total area of the Roraya watershed). The critical land area in the Roraya watershed is 48,348.06 hectares or 33.21%, while the most critical land area is 1,504.58 hectares or 1.03% of the total area of the Roraya watershed. Keywords: erosion hazard, critical land, Roraya Watershed ABSTRAKTingkat bahaya erosi dan lahan kritis mempunyai keterkaitan untuk mempengaruhi kondisi tanah.  Tanah-tanah yang mempunyai tingkat erosi berat cenderung akan menjadi kritis yang dicirikan oleh produktivitas tanah rendah.  Tujuan penelitian ini adalah untuk menganalisis tingkat bahaya erosi dan lahan kritis di DAS Roraya.  Penelitian ini dilakukan menggunakan metode survei untuk pengambilan data primer dan data sekunder.  Hasil penelitian menunjukkan bahwa tingkat erosi tanah di DAS Roraya didominasi oleh tingkat erosi sedang (15 – 59 ton/ha/tahun) dan tingkat erosi berat (180 – 460 ton/ha/tahun)  masing-masing seluas seluas 48.295,10 hektar (33,17 %) dan 37.362,89 hektar (25,66 % dari total luas DAS Roraya). Luas lahan yang tergolong kritis di DAS Roraya adalah seluas 48.348,06hektaratau 33,21 %,sedangkan luas lahan sangat kritis adalah 1.504,58hektar atau 1,03 % dari total luas DAS Roraya. Kata Kunci: bahaya erosi, lahan kritis, Daerah Aliran Sungai Roraya
POTENSI EKOLOGI MANGROVE TINGKAT POHON DAN PANCANG PULAU KABAENA KABUPATEN BOMBANA SULAWESI TENGGARA Zulkarnain Zulkarnain; Sahindomi Bana; Lies Indriyani
Jurnal Ecogreen Vol 4, No 1 (2018)
Publisher : Universitas Haluoleo

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Abstract

ABSTRACTThis study aims to determine the composition and vegetation structure of mangrove forest in Kabena Island, Bombana Regency, especially at the level of trees and sapling which is the focus in the estimation of surface carbon stocks in mangrove forests. Data were collected using a combination method of plots and lines, which were placed intentionally and perpendicular to the shoreline. The measurement data are then analyzed to obtain information on the density, frequency, dominance, the Importance Value Index (IVI) and the diversity index. The results showed that vegetation composition at tree and sapling level was made up of 15 species, which belong to 7 families. The family of Rhizophoraceae and Avicenaceae are the families with the highest number of species. Rhizophora mucronata and Rhizophora apiculata are the most numerous species with very large stem diameters found in the Study Site. The level of diversity at the study site was included in the moderate category with Shannon Wiener's diversity index value at the tree level of 2.29 and the sapling level of 2.28. These results provide an indication that the resilience of mangrove forest ecosystems at the level of trees and tinang on Kabaena Island is moderate.Keywords : Mangrove, Structure, Composition, Diversity, Kabaena Island.
ANALISIS KETERSEDIAAN DAN KEBUTUHAN AIR DI DAERAH ALIRAN SUNGAI RORAYA PROVINSI SULAWESI TENGGARA La Baco S.; Kahirun Kahirun; Umar Ode Hasani; Abdul Jalil
Jurnal Ecogreen Vol 3, No 1 (2017)
Publisher : Universitas Haluoleo

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Abstract

The recent phenomenon associated with the existence of water resources is a decrease in water supply while water demand continues to increase over time which is a logical consequence of population growth and increased economic activity. The purpose of this study was to analyze the availability and demand of water in the Roraya watershed. The research method used is the collection and analysis of secondary data. The results showed that water supply in the Roraya watershed was 3.75 m3/sec or 324,000 m3/day. The total water demand is 326,897 m3/day which is the cumulative value of domestic water demand of 16,316 m3/day, the demand of non domestic water is 3,263 m3/day, the need of irrigation water is 283,738 m3/day and the industrial water demand is 23,580 m3/day. Most of the water demand in the Roraya watershed is irrigation water of 86.6% of the total water demand in the Roraya watershed, while the domestic water demand in the Roraya watershed is about 5.0%. Industrial water demand in the Roraya watershed reached 7.2%, while non-domestic water demand only reached 1% of the total water demand in the Roraya watershed. The balance of water supply and demand in the Roraya watershed shows that every day there will be a water deficit of 2,897 m3/day. Key Words: Water Supply, Water Demand
VALUASI EKONOMI JASA LINGKUNGAN OBYEK WISATA ALAM TRACKING MANGROVE BUNGKUTOKO KOTA KENDARI La Baco S.
Jurnal Ecogreen Vol 3, No 1 (2017)
Publisher : Universitas Haluoleo

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Abstract

Nature Tourism Area Tracking Mangrove Bungkutoko is one of nature tourism area that much favored by society of Kendari City. This is because this area has a fairly good mangrove ecosystem, located not far from downtown Kendari and easily accessible. The purpose of this study is to analyze the economic value of tourist areas Tracking Mangrove Bungkutoko. This research is a survey research conducted using the method of travel cost (travel cost method). The application of this method is done through interviews of selected respondents. Interviews of respondents were conducted using a pre-arranged questioner. The research variables include all components of travel expenses including transportation costs, accommodation, consumption, rent, entrance fee, parking and documentation. Travel expenses are the accumulation of these costs. The results showed that the average travel cost of respondents from Mandonga, West Kendari, Poasia, Baruga, Wua-wua, Kambu and Kadia sub districts amounted to 127.000 rupiah/person, 144.000 rupiah/person, 95.000 rupiah/person, 104.000 rupiah/person, 111.000 rupiah/person,105.000 rupiah/person and 95.000 rupiah/orang. The average value of travel costs of visitors attractions Tracking Mangrove Bungkutoko is 107.845 rupiah/person. Key Words: Economic Valuation, Tracking Mangrove, Travel Cost
KEANEKARAGAMAN VEGETASI PADA HUTAN RIPARIAN DI TAMAN NASIONAL RAWA AOPA WATUMOHAI Albasri Albasri; Faisal Danu Tuheteru; Aldi Darmawan
Jurnal Ecogreen Vol 2, No 2 (2016)
Publisher : Universitas Haluoleo

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Abstract

Taman Nasional Rawa Aopa Watumohai (TNRAW) memiliki empat tipe ekosistem yakni ekosistem savana, mangrove, rawa, dan ekosistem dataran rendah. Ekosistem savana yang dilalui aliran sungai dijumpai vegetasi yang tumbuh disekitar tepian sungai. Vegetasi yang dimaksud adalah vegetasi hutan riparian. Penelitian ini bertujuan untuk mengetahui keanekaragaman vegetasi pada hutan riparian di ekosistem savana TNRAW.  Metode penelitian yang digunakan adalah purposive sampling dengan menggunakan metode garis berpetak dan arah rintisan mengikuti bibir sungai. Jumlah plot yang dibuat sebanyak 35 plot. Hasil penelitian menunjukkan bahwa jumlah jenis vegetasi pada tingkatan pohon, tiang, dan pancang masing-masing 7, 8, dan 8 jenis dengan jumlah individu sebanyak 51, 40, dan 47 individu. Kekayaan jenis vegetasi di hutan riparian TNRAW berjumlah 11 jenis dari 11 marga dan 9 famili. Famili Rubiaceae merupakan famili dengan jumlah jenis terbanyak dan jenis Lonkida (Nauclea orientalis) merupakan jenis yang umum ditemukan di lokasi penelitian dengan jumlah keseluruhan 40 individu/ha. Keanekaragaman vegetasi di hutan riparian tergolong sedang. Kata Kunci : Ekosistem Savana TNRAW,  Hutan Riparian, Keanekaragaman Vegetasi
SIFAT KIMIA TANAH DAN PERTUMBUHAN BIBIT SENGON (Paraserianthes falcataria (L.) Nielsen) YANG DIBERI KOMPOS DI TANAH SUB SOIL TAMBANG NIKEL Lies Indriyani; Hasbullah Syaf; Muhammad Albar Pattah
Jurnal Ecogreen Vol 1, No 1 (2015)
Publisher : Universitas Haluoleo

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Abstract

The purpose of this research was to know the effect of giving compost in sub soil (over burden) nickel mine toward chemical properties of soil and growth of sengon crop seed in an effort for introduce initial condition of the growing environment for sengon crop, so that earned seed for support revegetation activity of land ex minning.  The research was arranged in Randomized Block Design (RBD) with single factor scheme for 7 treatment degree, that is A0 (without compost), A1 (125 g compost polybag-1), A2 (250 g compost polybag-1), A3 (375 g compost polybag-1), A4 (500 g compost polybag-1), A5 (625 g compost polybag-1) and A6 (750 g compost polybag-1). The treatment reapet for 3 times so that has 21 unit tried. Every experiment unit from 9 crop so that all over has 189 crop. Variable with observed are chemical properties of soil (pH, cation exchange capacity (CEC), N-total, available P and available K) and sengon crop growing (increase high crop (cm), total leaf stalk (stalk), stem diameter (cm), ratio root tip of a leaf and index quality of seed).  The research shown that compost fertilizer giving toward chemical properties of sub soil (over burden) nickel mine raising of value for soil pH, CEC, N-total, available P and available K. However, compost giving toward sengon growth only show effect more real the increase high crop in age 45 hst. Key Word : Chemical properties of soil, compost, growth of sengon crop.
POTENSI HUTAN TANAMAN JATI DALAM PERENCANAAN PEMBANGUNAN WILAYAH KABUPATEN MUNA La Ode Agussalim Mando; Ris Hadi Purwanto
Jurnal Ecogreen Vol 1, No 1 (2015)
Publisher : Universitas Haluoleo

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Abstract

The research seeks to develop engineering models of teak plantation forest development plans.  Sampling was carried out by farmers and teak stand intentionally (purposive sampling).  The results showed that the potential of teak forest planting protected areas : basal area of 31.4109 m2/ha, the standing stock is 597.5083 m3/ha. Production forests : basal area of 2.5975 m2/ha, the standing stock is 12.8025 m3/ha. Meanwhile, for the community forests : basal area of 17.8533 m2/ha, the standing stock is 267.8002 m3/ha.  The recommendations teak forest development planning model that is implementation of Management Regimes (MR) V on Mata Kidi protected areas, MR II and III on production forests and Conventional MR on community forests. Key words : potential, teak forests, planning, management regimes
SOSIAL EKONOMI POLA AGROFORESTRI DI SUB DAS LAHUMBUTI HULU KABUPATEN KONAWE PROPINSI SULAWESI TENGGARA Agus Setiawan; La Ode Agus Salim Mando; Muh. Dassir; Yusran Yusran
Jurnal Ecogreen Vol 1, No 2 (2015)
Publisher : Universitas Haluoleo

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Abstract

Population growth has substantially led to the need of food and land, both in the dry region or in the hilly area.  This study aims to determine the application of agroforestry patterns, income levels and social characteristics of agroforestry farmers in Sub-watershed upstream Lahumbuti. The study was conducted in June till September 2013 in Sub-watershed upstream Lahumbuti. The site was selected through the application of research purposive sampling preceded with field observations then stratified based on species composition, vegetation structure and cropping patterns. The data obtained were then analyzed qualitatively and quantitatively according to the type of data and research purposes. The data was collected through in depth interviews and survey methods. The analytical method used is the analysis of the functional characteristics and analysis of farming. The results indicated that the application of the patterns of agroforestry farmers with agrisilvikultur system that is a combination of agricultural crops and forestry, plantation and forestry and agricultural crops, plantations and forestry. A pattern of agroforestry land productivity contributes the highest income level at IDR. 22.910.000, ha/year.  Moreover, the pattern has a high social value supported by the considerable labor and more intensive farming activities  Keywords : Patterns, watersheds, land use, Konawe.
KARAKTERISTIK EROSI TOPOSEKUEN PADA TANAH MEDITERAN DI DAS GIRINDULU KABUPATEN PACITAN Djafar Mey; Jufri Karim; Aqshan Sadikin; Ramli Hadun
Jurnal Ecogreen Vol 2, No 1 (2016)
Publisher : Universitas Haluoleo

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Abstract

penghancuran, perusakan, transportasi/redistribusi material tanah (Arsyad, 1989) dari satu tempat oleh kekuatan air dan/atau angin baik secara alamiah maupun oleh campur tangan manusia (Kartasapoetra dkk., 2000), lalu dideposisikan di tempat lain (Suripin, 2002; Lal, 2003). Erosi dapat terjadi pada berbagai jenis tanah dan dengan kondisi topografi tertentu. Desa Ngreco mempunyai kondisi topografi berbukit dan jenis tanah mediteran, telah terjadi proses erosi yang intensif. Material sedimen hasil erosi tampak terlihat pada lereng kaki bukit, dan jika terjadi hujan air sungai di kaki lereng menjadi keruh akibat sedimentasi. Penelitian ini bertujuan untuk mengetahui besarnya erosi dan karakteristik yang mempengaruhinya pada jenis tanah mediteran dengan topografi yang berbeda.Penelitian dilakukan dengan membuat plot sedimen, pengukuran data sedimen dan curah hujan dilakukan pada setiap kejadian hujan di lokasi plot sedimen. Data hasil pengukuran dianalisis secara deskriptif dengan cara menginterpretasi pola sedimentasi pada setiap kejadian hujan.Besarnya erosi toposekuen pada tanah mediteran di Desa Ngreco menunjukkan pola yang berbeda pada setiap plot sedimen, terutama terjadi diawal musim penghujan dan semuanya menunjukkan pola yang menurun kearah lebih stabil. Perbedaan karateristik besarnya erosi toposekuen pada tanah mediteran di Desa Ngreco dipengaruhi langsung oleh faktor iklim (curah hujan), faktor topografi (panjang dan kemiringan lereng), karakteristik tanah (tekstur, struktur dan permeabilitas tanah), serta kondisi vegetasi (tutupan kanopi dan serasah permukaan tanah). Kata Kunci : erosi, karakteristik, toposekuen

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