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All Journal Jurnal Ilmu Lingkungan AL KAUNIYAH Naturalis : Jurnal Penelitian Pengelolaan Sumberdaya Alam dan Lingkungan Bioeksperimen: Jurnal Penelitian Biologi Journal of Tropical Biodiversity and Biotechnology Pro-Life Jurnal Belantara Jurnal Biologi Tropis Gorontalo Journal of Forestry Research Jambura Edu Biosfer Journal Jambura Geoscience Review Gorontalo Development Review Jurnal Agronomi Tanaman Tropika (JUATIKA) Losari : Jurnal Arsitektur, Kota dan Pemukiman SIMBIOSA JAGO TOLIS : Jurnal Agrokompleks Tolis Indonesian Journal of Chemistry and Environment Jurnal Riset Rumpun Ilmu Tanaman Journal Of Fisheries Agribusiness J-CEKI Jurnal Ekonomi, Manajemen, Akuntansi PESHUM

Sukirman Rahim

Universitas Negeri Gorontalo

Author-ID : 3170347

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics Social Sciences Other

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Strategi Pengelolaan Kawasan Permukiman Kumuh di Kota Gorontalo Irfan; H. Baruwadi, Mahludin; Rahim, Sukirman
LOSARI Jurnal Arsitektur, Kota dan Permukiman Vol.6 No.2, Agustus 2021
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/losari.v6i2.299

The study aims at analysing the management strategy of slums areas. In addition, this study is carried out in all slums in Gorontalo City. The techniques and procedures employed in this study are survey, FGD (Focus Group Discussion), and interview. At the same time, the analysis method is done by applying a quantitative approach, where the analysis for scoring the aspects of slum levels referring to the Regulation of the Minister of Public Works and Housing (PUPR) Number 14 of 2018, the measurement of priority aspects in handling slums using AHP (analytic hierarchy process) analysis, and management strategy applying SWOT analysis. Finding reveal that 1) the slum level in Gorontalo City is in the light slum category with the biggest problem is Drainage for 42% and the slightest problem is potable water for 23%, 2) the priority aspect in handling slum are potable water for 42,25%, 3) the management strategies of slum area are performed by enhancing collaboration between regional and central programs with the provision complete supporting documents to meet technical planning criteria that have good quality, improving the role of Housing and Settlement Working Group (POKJA PKP) in supporting program coordination, advocacy of Regional Working Unit and stakeholders in Gorontalo City, and providing strategic inputs proposing a planning budget for slum area management. In addition, the management strategy is carried out by preparing planning documents for the handling of slums that are integrated with other planning documents and increasing the role of social institutions in the community in supporting the handling of slums.

PARTISIPASI MASYARAKAT DALAM KEGIATAN REHABILITASI HUTAN DAN LAHAN (RHL) DI KABUPATEN BONE BOLANGO Novi Purwanti; Sukirman Rahim; Marini S Hamidun
Jurnal Belantara Vol 5 No 1 (2022)
Publisher : Forestry Study Program University Of Mataram

This study aims to know; (1) community participation in forest and land rehabilitation activities in Meranti Village, Tapa Sub-district, Bone Bolango District, (2) strategy for increasing community participation in forest and land rehabilitation activities in Meranti Village, Tapa Sub-district, Bone Bolango District. This study uses a quantitative approach with descriptive and inferential methods. The data in this study are primary data from the distribution of questionnaires. The data analysis technique uses descriptive and SWOT analysis. The findings show that: (1) The achievement score for the community participation variable in forest and land rehabilitation activities is 79.69% which is in the fairly good category. The results of each indicator show that the voice and control indicators are in the fairly good category, while the access indicator is in a good category. (2) The strategy for increasing community participation in forest and land rehabilitation activities is in quadrant 3 of what is called the Turn Around strategy. This strategy emphasizes the utilization of various opportunities to change the weaknesses of the community in optimizing its role in environmental conservation activities that can be carried out by the government with 2 main steps, including strengthening the capacity of the community overall and government cooperation with various parties related to the environment.

KEANEKARAGAM SPESIES, BIOMASSA DAN STOK KARBON PADA HUTAN MANGROVE TOROSIAJE KABUPATEN POHUWATO-PROVINSI GORONTALO Sukirman Rahim; Dewiwahyuni K. Baderan; Marini Susanti Hamidun
Jurnal Pro-Life Vol. 5 No. 3 (2018): November
Publisher : Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jpvol6Iss2pp102

Pohuwato Regency is famous for its green line of mangrove which presents as a wide coastal ecosystem extending from Paguat subdistrict to West Popayato subdistrict. Mangrove forests in coastal areas of Torosiaje are one of the essential areas which play an important role as a buffer zone of Tomini Gulf. Human activities that go beyond the carrying capacity of the environment have led to a rapid decline of mangrove diversity. This study aimed to analyze the diversity of tree-staged mangrove species in Torosiaje coastal area, Pohuwato Regency, Gorontalo Province. Diversity index was calculated using Shannon-Wiener formula. Based on the results, there were five tree-staged mangrove species, Xylocarpus granatum, Rhizophora mucronata, Ceriops tagal, Avicenniamarina, and Brugueira gymnorrhizawith the individual total of 80. The value of diversity index was 1.093 in station I, 0.61 in station II, and 0.62 in station III. These numbers showed that the area of station I had a moderate level of diversity with the diversity index value of Hâ€² > 1,0 â€“ 1.5 while the areas of station II and III had a low diversity with the diversity index value of Hâ€²< 1,0. The value of mangrove biomass in Torosiaje is 27 ton / ha. This amount is equivalent to 13.36 ton / ha C (carbon content) with the largest carbon stock in the Rhizophora mucronata species is 8.71 ton / ha C, while the lowest carbon content in Ceriops tagal species is 0.13 ton / ha C. Mangrove in Torosiaje can absorb as much 49.03 ton / ha of carbon dioxide. These findings can be used as provisional data to help the management of mangrove forest as an attempt to control and reduce the ongoing mangrove destruction in Pohuwato Regency.Keywords: Carbon Stock, Diversity, Mangrove species, Torosiaje

Komposisi Jenis, Struktur Komunitas, dan Keanekaragaman Mangrove Asosiasi Langge Kabupaten Gorontalo Utara-Provinsi Gorontalo Sukirman Rahim; dewi wahyuni K Baderan
Jurnal Ilmu Lingkungan Vol 17, No 1 (2019): April 2019
Publisher : School of Postgraduate Studies, Diponegoro Univer

Hutan mangrove Langge yang terdapat di Kecamatan Anggrek Kabupaten Gorontalo Utara memiliki keunikan dari pola zonasi dan keanekaragaman jenis. Hal ini yang menjadikan hutan mangrove di kawasan tersebut sebagai objek wisata tracking mangrove yang dikenal dengan nama “mangrove in love. Hutan mangrove memiliki berbagai fungsi ekologis yang sangat kompleks yakni sebagai daerah pemijahan (spawing ground), tempat asuhan (nursery ground), dan tempat mencari makan (feeding ground) biota laut yang beraneka jenis dan memiliki fungsi ekonomis diantaranya buah mangrove dapat diolah menjadi berbagai produk kue dan sumber pangan alternatif pengganti beras. Penelitian ini bertujuan untuk : 1) untuk mengetahui komposisi jenis mangrove asosiasi; 2) untuk mengetahui struktur komunitas dari hutan mangrove Langge; dan 3) nilai Indeks Keanekaragaman. Adapun metode yang digunakan dalam penelitian ini adalah metode jalur berpetak (kombinasi plot dan transek). Jumlah spesies yang ditemukan akan dilihat untuk menjadi dasar penentuan komposisi jenis. Untuk pengkuran struktur komunitas mangrove dengan melakukan perhitungan terhadap Kerapatan Relatif (KR) dan Frekuensi Relatif (FR). Selanjutnya data yang didapatkan ditabulasikan untuk memperoleh nilai Indeks Nilai Penting (INP). Perhitungan keanekaragaman jenis menggunakan rumus (Sannon-wienner). Hasil penelitian menemukan 12 spesies tumbuhan mangrove asosiasi yakni Acanthus spinosus, Chromolaena odorata, Crassocephalum sp, Calotropis gigantean, Ipomea pes-caprae, Ricinus communis Excoecaria agallocha, Scaevola taccada, Spinifex littoreus, Terminalia catappa, Derris trifoliate dan Nypa fruticans. Struktur komunitas menunjukkan Chromolaena odorata memiliki nilai INP sebesar 33,2%, Kerapatan Relatif sebesar 24,91%, dan Frekuensi Relatif sebesar 8,33%. Spesies dengan nilai INP terendah dimiliki oleh Nypa fruticans yaitu sebesar 9,14%, Kerapatan Relatif sebesar 0,81%, dan Frekuensi Relatif sebesar 8,33%. Nilai Indeks Keanekaragaman (H’) mangrove asosiasi sebesar 2,175 dan termasuk dalam kriteria tingkat keanekaragaman sedang. Data yang diperoleh ini dapat digunakan dalam pengelolaan hutan mangrove di Gorontalo Utara serta dapat menjadi database dalam usaha konservasi mangrove guna mengurangi efek pemanasan global.Langge mangrove forest located in the District of North Gorontalo District Orchid has a uniqueness of zoning patterns and keanekragaman types. This is what makes the mangrove forests in the region as a tourist attraction tracking mangrove known as the "mangrove in love. Mangrove forests have a variety of ecological functions is very complex which is a spawning area (spawing ground), point of care (nursery grounds), and foraging (feeding ground) various types of marine life and has the economic function of which pieces of mangrove can be processed into various products cake and alternative food sources instead of rice. This study aims to: 1) to determine the association of mangrove species composition; 2) to determine the community structure of mangrove forests Langge; and 3) the value of diversity index. The method used in this study is a terraced path method (combination of plots and transects). The composition of the types of views based on the number of species found. For sizing mangrove community structure by calculating the Relative Density (KR) and Relative Frequency (FR). Then the data obtained are tabulated to get the value of Importance Value Index (IVI). Calculation of species diversity using the formula (Sannon-wienner). The study found an association of twelve species of mangrove plants and the relative dominance (DR), then the data obtained are tabulated to get the value of Importance Value Index (IVI). Calculation of species diversity using the formula (Sannon-wienner). The study found an association of eight species of mangrove plants and the relative dominance (DR), then the data obtained are tabulated to get the value of Importance Value Index (IVI). Calculation of species diversity using the formula (Sannon-wienner). The study found an association of twelve species of mangrove plantsnamely Acanthus spinosus, Chromolaena odorata, Crassocephalum sp, Calotropis gigantean, Ipomea pes-caprae, Ricinus communis Excoecaria agallocha, Scaevola taccada, Spinifex littoreus, Terminalia catappa, Derris trifoliate dan Nypa fruticans. Community structure showed Chromolaena odorata has a value of IVI of 33,2%, amounting to 24,91% Relative Density and Relative Frequency of 8,33%. The species with the lowest IVI owned by Nypa fruticans that is equal to 9,14%, 0,81% Relative Density and Relative Frequency of 8,33%. Values Diversity Index (H ') at 2.175 and mangrove associates included in the criteria for a medium level of diversity. The data obtained can be used in the management of mangrove forests in North Gorontalo and can be a database of mangrove conservation efforts to reduce the effects of global warming.

Keanekaragaman, Kemerataan, dan Kekayaan Spesies Tumbuhan dari Geosite Potensial Benteng Otanaha Sebagai Rintisan Pengembangan Geopark Provinsi Gorontalo Dewi Wahyuni K Baderan; Sukirman Rahim; Melisnawati Angio; Al Ilham Bin Salim
Al-Kauniyah: Jurnal Biologi Vol 14, No 2 (2021): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v14i2.16746

AbstrakGorontalo mempunyai biodiversitas yang tinggi, dengan ditemukannya berbagai spesies yang bersumber dari flora dan fauna. Biodiversitas merupakan salah satu pilar penting dalam pengembangan Geopark di Provinsi Gorontalo. Tujuan penelitian untuk mengetahui indeks keanekaragaman, indeks kemerataan, indeks kekayaan spesies tumbuhan di wilayah rintisan Geopark Benteng Otanaha. Metode jelajah dan Point Center Quadrat Metode digunakan untuk ekplorasi jenis tumbuhan. Hasil penelitian mendapatkan 35 spesies, 12 diantaranya memiliki status konservasi, beresiko rendah 9 spesies yakni Lepisanthes rubiginosa, Garuga floribunda, Cascabela thevetia, Gnetum gnemon, Bambusa sp., Eleusine indica, Pennisetum purpureum, Cactus sp., dan Lichen sp., kategori rentan (Clavaria sp.), kategori hampir terancam (Cycas sp.) dan kategori terancam punah (Euphorbia prostrata). H’ tingkat pohon (1,893), tumbuhan bawah (2,0194). H’ tingkat semai dan lichen masing-masing sebesar 1,012 dan 0,239. Indeks kemerataan pada tingkat pohon, tumbuhan bawah, dan semai memiliki nilai masing-masing sebesar 0,822, 0,674, dan 0,92, dan lichen memiliki indeks kemerataanya sebesar 0,345. Indeks kekayaan spesies tumbuhan tingkat pohon, tumbuhan bawah, seedling, dan lichen tergolong dalam kategori rendah. Informasi tentang biodiversitas tumbuhan dari Geosite potensial Benteng Otanaha menjadi data pelengkap untuk percepatan rencana pengusulan Geopark Gorontalo sebagai Geopark Nasional dan sekaligus wujud upaya konservasi agar spesies yang ada tidak mengalami kepunahan atau habis.Abstract Gorontalo has high biodiversity, with the discovery of various species of flora and fauna throughout the province. Biodiversity is one of the important pillars in the development of Geoparks in the province. The present study aimed to determine the indices of diversity, evenness, and richness in the pilot area of Otanaha Fort Geopark. An exploration method and Point Center Quadrat Method (PCQM) for exploring plant species were employed. The results showed 35 species, of which 12 had conservation status, consisting of 9 low-risk species (Lepisanthes rubiginosa, Garuga floribunda, Cascabela thevetia, Gnetum gnemon, Bambusa sp., Eleusine indica, Pennisetum purpureum, Cactus sp., and Lichen sp.), vulnerable (Clavaria sp.), almost threatened (Cycas sp.) and endangered (Euphorbia prostrata). The diversity index H' of tree, understorey, seedling, and lichen levels was 1.893, 2.0194, 1.012, and 0.239, respectively, while the evenness index was 0.822, 0.674, 0.92, and 0.345, respectively. The richness index of tree species, understorey, seedling, and lichen were in the low category. Information on plant biodiversity from the potential geosite of Otanaha Fortress is complementary data to accelerate the plan to propose the Gorontalo Geopark as a National Geopark and a form of conservation efforts for the existing species.

Perubahan Tutupan Lahan dan Pengaruhnya Terhadap Pola Persebaran Suhu di Kota Gorontalo Mohammad Duka; Fitryane Lihawa; Sukirman Rahim
Jambura Geoscience Review Vol 2, No 1 (2020): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jgeosrev.v2i1.2682

Gorontalo City is one of the regions in Gorontalo Province. Urban development and population growth, causing pressure on land use patterns. Changes in land use are carried out to meet the community's needs for infrastructure. At present, development in Gorontalo City is still ongoing. The increase in temperature is expected to continue and can trigger heat island. This is very important to be studied for the Gorontalo City development planning that is more environmentally friendly. This study aims to analyze the heat island phenomenon through the relationship of the spatial distribution of surface temperature with various types of land cover and vegetation characteristics. The object of this research is the Gorontalo City area on Landsat path-row 121- 65 satellite imagery media. The research material is the wavelength of visible light, near-infrared and moderate infrared and thermal wavelengths on satellite imagery of Landsat TM and OLI TIRS. The results showed an increase in temperature in Gorontalo City since 1990, 2003, and 2017. The correlation between surface temperature and land cover is negative. The value of the correlation coefficient (r) in 1990 was -0.41. The correlation coefficient (r) in 2003 was -0.448. The correlation coefficient (r) in 2017 is -0.402. Changes in surface temperature in Gorontalo City are influenced by changes in the land cover which is marked by the similarity of patterns of changes in surface temperature distribution with patterns of land cover changes.

The Effect of Regional Fiscal Capacity on Climates Change Action Budgeting Commitments Golfred Alex Kojongkam; Sukirman Rahim; Iswan Dunggio
Gorontalo Development Review Volume 5 Nomor 1 April 2022
Publisher : Universitas Gorontalo

This journal aims to determine the effect of regional fiscal capacity on climate change action budgeting commitments. The research method used is a quantitative method with a statistical test approach to Structural Equation Modeling (SEM). The results of this study indicate that the local government's fiscal capacity of Gorontalo Regency has a significant positive direct influence on climate change action budgeting commitments.

DAMPAK HUTAN TANAMAN INDUSTRI TERHADAP PERUBAHAN TUTUPAN LAHAN HUTAN DAN KONDISI SOSIAL EKONOMI MASYARAKAT Wahdaniah Wahdaniah; Sukirman Rahim; Irwan Bempah
Gorontalo Journal of Forestry Research VOLUME 5 NOMOR 2 TAHUN 2022 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v5i2.2151

ABSTRAKÂ Penelitian ini bertujuan untuk mengetahui (1) dampak pembangunan HTI terhadap perubahan tutupan lahan hutan di wilayah konsesi HTI PT.Gorontalo Citra Lestari. (2) dampak pembangunan HTI terhadap kondisi sosial ekonomi masyarakat Kecamatan Monano Kabupaten.Gorontalo Utara. Pendekatan pada penelitian ini adalah kuantitatif deskriptif. Metode penelitian adalah deskriptif dan inferensial. Data dalam penelitian berupa data primer melalui penyebaran angket. Analisis data yang digunakan yakni analisis deskriptif dan paired samples t Test. Hasil penelitian menunjukan bahwa (1) nilai Normalized Difference Vegetation Index (NDVI) berada dalam kategori Kehijauan sedang pada tahun 2021. Hal ini menunjukan bahwa dampak pembangunan oleh konsesi HTI PT.Gorontalo Citra Lestari terhadap perubahan tutupan lahan hutan pada jangka pendek cenderung kurang baik dalam lingkungan dan kehijauan hutan, namun secara jangka panjang akan berdampak positif dengan sebaran dan kepadatan tanaman hijauan yang mampu memberikan manfaat lingkungan (perubahan tutupan lahan hutan makin baik). (2) kehadiran konsensi HTI PT.Gorontalo Citra Lestari berpengaruh positif dan signifikan terhadap perubahan kondisi sosial dan kondisi ekonomi masyarakat di Kabupaten Gorontalo Utara (adanya perbedaan yang krusial dari kondisi sosial dan kondisi ekonomi masyarakat sebelum dan sesudah adanya PT.Gorontalo Citra Lestari). Beberapa masyarakat petani, lahannya menjadi lebih sempit karena lahan hutan yang selama ini digunakan untuk kegiatan usahatani diklaim dan digunakan oleh HTI namun sebagai gantinya petani memperoleh pendapatan tambahan dengan bekerja di PT.Gorontalo Citra Lestari.Kata kunci: Tutupan Lahan Hutan; HTI; Gorontalo Utara.ABSTRACTThis study aimed to determine (1) the impact of industrial plantation forest (HTI) development on changes in forest land cover in the HTI concession area of PT. Gorontalo Citra Lestari. (2) the impact of HTI development on the socioeconomic conditions of the people of Monano Subdistrict, Gorontalo Utara Regency. It applied a quantitative descriptive approach with descriptive and inferential research method. Besides, the data in this study were primary data obtained through the distribution of questionnaires. The data analysis used was descriptive analysis and paired samples t- test. The findings revealed that (1) the value of the Normalized Difference Vegetation Index (NDVI) was in the medium green category in 2021. This indicated that the impact of development by the HTI concession of PT. Gorontalo Citra Lestari on changes in forest land cover in the short term tended to be less good in terms of environment and forest green. However, in the long term, it would have a positive impact on the distribution and density of forage plants that were able to provide environmental benefits (changes in forest land cover were getting better). (2) the presence of the HTI concession of PT. Gorontalo Citra Lestari had a positive and significant effect on changes in socioeconomic conditions of the people in Gorontalo Utara Regency (there were crucial differences in the socioeconomic conditions of the community before and after the existence of PT. Gorontalo Citra Lestari). Meanwhile, for the farmers communities, their land has become narrower since the forest land that has been used for farming activities was claimed and used by HTI, but the farmers earned additional income by working at PT. Gorontalo Citra Lestari.Keywords: Forest Land Cover; HTI; Gorontalo Utara.

EVALUASI PENGELOLAAN SAMPAH DI KOTA GORONTALO Hazairin Thamrin; Iswan Dunggio; Sukirman Rahim
Jambura Edu Biosfer Journal Vol 4, No 1 (2022) : Jambura Edu Biosfer Journal (JEBJ)
Publisher : Fakultas MIPA Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jebj.v4i1.14421

Pertambahan penduduk terutama di wilayah perkotaan berdampak pada meningkatnya laju timbulan sampah. Buruknya penanganan sampah, umumnya disebabkan oleh buruknya tata kelola sampah. Tata Kelola sampah tersebut meliputi perencanaan, penganggaran, evaluasi dan monitoring. Penelitian ini bertujuan mengevaluasi kebijakan pengelolaan sampah yang telah dilakukan oleh pemerintah kota Gorontalo. Penelitian ini merupakan penelitian kualitatif dimana data yang dikumpulkan berasal dari responden masyarakat. Pemilihan responden merupakan kombinasi antara purposive sampling dan snowball sampling. Parameter yang dianalisis meliputi tata Kelola, sumberdaya manusia, sarana dan prasarana serta pembiayaan. Hasil penelitian menunjukkan, pada aspek tata kelola pengelolaan sampah, respon masyarakat terhadap kebijakan berada pada kategori tinggi. Pemahaman yang tinggi masyarakat terhadap kebijakan ini karena pemerintah Kota Gorontalo aktif melakukan sosialisasi terkait system pengangkutan sampah. Secara keseluruhan aspek sarana prasarana pengangkutan sampah di Kota Gorontalo berada pada kategori sedang, namun untuk sub kriteria sarana pendukung pengangkutan sampah mendapat penilaian rendah. Masyarakat memberikan penilaian rendah pada aspek kategori sumber daya manusia pengangkut sampah terutama kinerja petugas kebersihan dalam mengumpulkan sampah. Tingkat Pendidikan rendah dan rendahnya kapasitas masyarakat menyebabkan kinerja petugas sampah dinilai rendah Kategori kebijakan pembiayaan pengelolaan sampah di Kota Gorontalo berada pada kategori sedang

Vegetation Structure, Biomass, and Carbon Stock of Urban Forest of Bongohulawa National Wirakarya Campground in Gorontalo Regency - Gorontalo Province Dewi Baderan; Sukirman Rahim; Endi Triyanto Manyo’e
Jurnal Ilmu Lingkungan Vol 21, No 3 (2023): July 2023
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.21.3.636-646

An urban forest is one type of Urban Green Open Space (RTHKP) that reflects the character of nature and/or local culture with ecological, historical, and panoramic values that are unique to the level of technology application. The urban forest of the National Wirakarya Campsite is quite attractive, has a lovely view, is close to the road, and is easily accessible by the residents. This study aims to determine the structure of vegetation, biomass, and carbon values stored in the urban forest of the National Wirakarya Campsite, Bongohulawa, Gorontalo Regency, Gorontalo Province. The method used is a survey method with a quantitative descriptive research design. The sampling method used is a purposive sampling model based on land cover in the urban forests. For the measurement of the vegetation structure, the sampling of vegetation in the observation plots is carried out by using the number of sample plots that are placed regularly by calculating the Relative Density (RD), Relative Frequency (RF), and Relative Dominance (RDo), then the data obtained are tabulated to provide IVI. To measure the carbon stocks on the surface (stems), a non-destructive sampling method is used with an Allometric equation based on the plant species. The results showed, there were 13 families, 20 species, and 824 individuals. The vegetation structure in the urban forest of Bongohulawa National Wirakarya Campsite (PWN) has an IVI above 15 percent on average. The sawlog level is dominated by the Gmelina arborea (beechwood) species with an IVI of 98.36 percent, the pole level is dominated by the Swietenia mahagagoni (mahogany) with an IVI of 165.37 percent, the sapling level was dominated by Swietenia mahagoni with an IVI of 160.99 percent and the seedling level was dominated by Lantana camara (tembelekan) with an IVI of 32.25 percent. The content of biomass stored in the standing trees is 1,190.45 tons/ha, with the largest amount of biomass is at the sawlog level of 1,135.43 tons/year or 95.43 percent, the total biomass at the pole level is 45.10 tons/year or 3.79 percent and the amount of long-term biomass is 9.32 tons/year or 0.78 percent. The carbon stock stored (C-Stock) is 559.37 tons/ha and can absorb CO2 (CO2eq) of 2,052.88 tons/ha and provides converted O2 of 1,498.60 tons/ha.

Co-Authors -, Ahmad Faqih Abdul Haris PanaI Ahmad Zainuri Al Ilham Bin Salim Andi Satari Salahudin Angio, Melisnawati H. Bambang mamangkay Bella Saskia Arfa Daud Yusuf Dewi Baderan Dewi Wahyuni K. Baderan Dwinda Mariska Putri Endi Triyanto Manyo’e Farid SM Farid SM Farid SM Faridawaty, Waode Fitryane Lihawa Frandika K. Toiyo Fuad Pontoiyo Golfred Alex Kojongkam Hasim Hasim Hasim Hasim, H Hazairin Thamrin Heru Z Thalib irfan irfan Irwan Bempah Iswan Dunggio La Alio Liberty Lodjo Lihawa, Fitriyane Magfirahtul Jannah Mahludin H. Baruwadi Marike Machmud Marini Susanti Hamidun Mawardi Heru Prasetyo Maya Fitriani Mayestika, Fidya Melisnawati Angio Melisnawati H Angio Misnawaty Wantogia MMSI Irfan ,S. Kom Mohamad, Nurdin Mohammad Bayu Irawan Mohammad Duka Muh. Nur Akbar Muhammad Rifqi Hariri Novi Purwanti Nurdin Mohamad Nurdin, Isra Panai, Haris Parid Pakaya Rahmawati A. Damiti Rakhmat Jaya Lahay Ramli Utina Salihi, Irvan Abraham Situmeang, Dody Boy Venalocha SM, Farid Sudarmanto Hasan Syam S. Kumaji Wahdaniah Wahdaniah Wantogia, Misnawaty Waode Faridawaty Yuliana Retnowati

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