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All Journal Jurnal Bios Logos EUGENIA Jurnal Agroekoteknologi Terapan Silvarum COCOS Asia Pacific Journal of Interdisciplinary Studies
Semuel P. Ratag
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Environmental Science Health Professions Immunology & microbiology Medicine & Pharmacology Social Sciences

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ANALISIS CADANGAN KARBON DI HUTAN MANGROVE DESA BAHOI Ruth Polii; Johnny S. Tasirin; Semuel P. Ratag
COCOS Vol. 10 No. 4 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.24326

Abstract

Bahoi Village has an area of mangrove forest which is estimated to be as large as 36 ha which is well preserved by its people. The use of mangrove forests that do not consider the ecological role of mangrove forests can be one of the biggest threats to their sustainability. This study aims to calculate the stored carbon stock and species dominance in the Bahoi Village mangrove vegetation. This research is expected to be a source of data and information on carbon reserves, tourism management, species conservation, or sustainable production in Bahoi Village. The research method is systematic plot sampling. There were 15 plots with 5 plots each in 3 different cover types namely residential, tourism trail, and open tourism areas. Analysis of carbon stocks used alometric equations, structure and composition used INP, the results shows that carbon reserves are mostly in Sonneratia alba (64.41 kg / ha), followed by Bruguiera cylindrica (44.54 kg / ha), Rhizophora mucronata (43.04 kg / ha), Bruguiera gymnorhiza (35.88 kg / ha), Ceriops tagal (28.77 kg / ha), and the lowest Rhizophora apiculata ( 16.80 kg / ha). The highest carbon stock is found in residential area (45,39 kg/ha) followed by tourism trail (36,59 kg/ha) and open tourism area (29,29 kg/ha). Keywords: Mangrove Forest, Carbon, Bahoi
KEARIFAN LOKAL DALAM SISTEM AGROFORESTRI DI KELURAHAN KAMBO KOTA PALOPO Ibrahim .; Semuel P. Ratag; Euis F. S. Pangemanan
COCOS Vol. 13 No. 2 (2021): EDISI APRIL-JUNI 2021
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v3i3.32934

Abstract

ABSTRACT This study aims to identify the agroforestry patterns applied by the people of Kambo Village, Palopo City and describe local wisdom in the application of the agroforestry system. This research was conducted in June 2020 in Kambo Village, Palopo City, South Sulawesi. This study used a purposive sampling method by determining the criteria in selecting respondents, namely the respondent is the original community of Kambo Village, the respondent manages agroforestry land, and the respondent is a member of a farmer group Sehati. The results of research on local wisdom in the agroforestry system applied by the community in Kambo Village show that the agroforestry patterns applied by the Kambo Village community are agrisilviculture and apiculture patterns and in the application of the agroforestry system the community still maintains local wisdom that has existed and developed from generation to generation, where It can be seen in some of the activities carried out by the community, such as in seed preparation to harvesting, which still retain the knowledge passed on by their parents for a long time. Keywords : agroforestry, local wisdom. Kambo Village
POLA AGROFORESTRI MASYARAKAT DI DESA MOPOLO KECAMATAN RANOYAPO KABUPATEN MINAHASA SELATAN Eka Maryuni Toding; Semuel P. Ratag; Euis F.S. Pangemanan
COCOS Vol. 14 No. 3 (2022): EDISI JULI-SEPTEMBER 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v8i8.38728

Abstract

Abstract Agroforestry is a land management system consisting of a combination of trees, shrubs, or seasonal crops often accompanied by livestock in the same land. The objectives of agroforestry land management are to maximize land productivity, create jobs, and increase income in rural areas. Mopolo Village is located in Ranoyapo District, South Minahasa Regency, North Sulawesi Province. This study aims to identify the agroforestry pattern applied by the community in Mopolo Village, South Minahasa Regency and describe the advantages and disadvantages of the agroforestry pattern applied by the community in Mopolo Village, South Minahasa Regency. This study uses a survey method by conducting interviews as a data collection tool. Based on the results of the study, it showed that the agroforestry patterns applied by farmers in Mopolo Village were agrisilvicultural patterns, agrosilvopasture patterns, and agrosilvofishery patterns. The advantages of applying the agroforestry pattern are increasing farmers' income and livestock owned by farmers getting feed from managed land while the lack of applying the agroforestry pattern is that the plants used by farmers in Mopolo Village are attacked by pests, which until now have not known the type of pests that attack and other things. What disturbs plant growth is the presence of released chickens that enter the land and disrupt plant growth. Keywords : agroforestry pattern, agroforestry, Mopolo Village, Ranoyapo District.
CIRI – CIRI POLA AGROSILVOPASTURA: STUDI KASUS DI DESA SUMARAYAR KECAMATAN LANGOWAN TIMUR Mega Masyita Gusti; Semuel P. Ratag; Euis F.S. Pangemanan
COCOS Vol. 14 No. 3 (2022): EDISI JULI-SEPTEMBER 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v8i8.38734

Abstract

Abstract Agrosilvopasture is one part of the agroforestry system that can be offered as a land management system to overcome problems, among others, food availability, land ownership area, decreased soil fertility. The agrosilvopasture in question is a combination of woody annual plant components with agricultural crops (seasonal) and at the same time livestock on the same land. Sumarayar village is located in East Langowan District, Minahasa Regency, North Sulawesi Province. According to the Head of Sumarayar Village, the mayority of the people of Sumarayar Village are farmers and some of them are herding livestock on thesome land. This study aims to identify the agrosilvopasture pattern applied in Sumarayar Village, East Langowan District and identify the advantages and disadvantages of the applied agrosilvopasture pattern. This study uses a survey method by means of interviews and field observations. The results of this study indicate that the agrosilvopasture pattern in the village of Sumarayar grows annual woody plants as land boundaries and food crop barriers. The advantage of applying the agrosilvopasture pattern is to get maximum results with the presence of trees, food crops and livestock on the same land because income increases while the drawback is that it is difficult to measure productivity. Agricultural economists are accustomed to regular farming patterns, while in agroforestry this is not the case, there are various types of trees and shrubs whose economic value is not clear. Keywords: Agrosilvopasture, Sumarayar Village, East Langowan District
IDENTIFIKASI POLA AGROFORESTRI DI DESA TOGID, KECAMATAN TUTUYAN, KABUPATEN BOLAANG MONGONDOW TIMUR Yuliyana Christina Laratmase; Semuel P. Ratag; Euis F. S. Pangemanan
COCOS Vol. 14 No. 4 (2022): EDISI OKTOBER-DESEMBER 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.38917

Abstract

Abstract Agroforestry is a system of land use in which forestry crops (woody perennial) is combined with agriculture crops and livestock or fisheries in one unit of land. There has been no data and informations on agroforestry patterns in Togid Village, Tutuyan District, East Bolaang Mongondow Regency until now . This study aims to describe agroforestry patterns in Togid Village, Tutuyan District, Bolaang Mongondow Timur Regency in February 2021. The methods used in this study are field surveys, interviews and data retrieval. Respondents were obtained by purposive sampling with the criteria that farmers practice agroforestry systems in cultivating their respective gardens. The data obtained were then analyzed descriptively and presented in tabular form.. The results showed that there are two agroforestry patterns applied by farmers, namely the agrisilvicultural pattern and the agrosilvopasture-fishery pattern. There are nine combinations of 14 respondents' garden lands that are cultivated with plants - animals - fish.One of the 14 respondent's gardens is cultivated with an agrosilvopasture-fishery pattern, carried out by one respondent, while the other 13 gardens are cultivated with an agrosilvicultural pattern. In combination with woody plants, from 14 observed gardens, it was found that there were food crops in eight gardens, spice plants in nine gardens, ornamental plants in three gardens, fodder sources in caged livestock in four gardens, and fish in one. garden land The existence of a garden with an agroforestry pattern can make a very significant contribution to the community in Togid Village both in terms of economy and ecology Keywords: Agroforestry Pattern, Togid village
Agrosilvopasture Pattern In Paslaten Village, Tatapaan District, South Minahasa Regency, North Sulawesi Province Pontoh, Syalomitha; Ratag, Semuel P.; Pangemanan, Euis F.S.; Ngangi, Charles Reijnaldo
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.53616

Abstract

Agrosilvopasture is part of agroforestry which is a system that can be offered to overcome problems that arise due to land conversion and at the same time to overcome the problem of food availability. This research aims to identify the agro silvopastry pattern implemented in Paslaten Village, Tatapaan District, South Minahasa Regency, North Sulawesi Province. The research was carried out in June-July 2023. In this research, the method used was a survey method using a questionnaire as a guide and field observations. The respondents in this study were 6 people taken based on criteria, namely native residents of Paslaten village and people who own agro silvopasture land. The research results show that the patterns applied by the people of Paslaten Village are random planting patterns and regular planting patterns. For annual woody plants, they are planted in a regular planting pattern and used as land dividers between one land and another. Cloves, nutmeg, and coconut are planted in a regular pattern. Some chickens on agro silvopasture land are kept in cages and some are released into the wild. Pigs on agro silvopasture land are confined; Meanwhile, cattle are tied up and not allowed to find their own food because it will damage the existing plants. Keywords: agro silvopasture, agroforestry, Paslaten Village Abstrak Agrosilvopastura adalah bagian dari agroforestri yang merupakan salah satu sistem yang dapat ditawarkan untuk mengatasi masalah yang timbul akibat adanya alih fungsi lahan dan sekaligus untuk mengatasi masalah ketersediaan pangan. Penelitian ini bertujuan untuk mengidentifikasi pola agrosilvopastura yang diterapkan di Desa Paslaten, Kecamatan Tatapaan, Kabupaten Minahasa Selatan Provinsi Sulawesi Utara. Penelitian dilaksanakan pada bulan Juni-Juli 2023. Dalam penelitian ini metode yang digunakan adalah metode survei menggunakan kuesioner sebagai panduan dan observasi lapangan. Responden dalam penelitian ini berjumlah 6 orang yang diambil berdasarkan kriteria yaitu penduduk asli desa Paslaten dan masyarakat yang memiliki lahan agrosilvopastura. Hasil penelitian menunjukan pola yang diterapkan oleh masyarakat Desa Paslaten yaitu pola tanam acak dan pola tanam teratur. Untuk tanaman tahunan berkayu ditanam dengan pola tanam teratur dan digunakan sebagai pembatas lahan antara lahan yang satu dan lahan lainnya. Untuk cengkeh, pala dan kelapa ditanam dengan pola teratur. Hewan ternak ayam di lahan agrosilvopastura ada yang dipelihara dalam kandang dan ada pula yang dilepasliarkan. Hewan ternak babi di lahan agrosilvopastura dikandangkan, sedangkan ternak sapi diikat dan tidak dibiarkan mencari makan sendiri karena akan merusak tanaman yang ada. Kata kunci: agrosilvopastura, agroforestri, Desa Paslaten  
Pengaruh Konsentrasi Ekstrak Daun Jati (Tectona grandis L.) terhadap Perkecambahan Benih Jagung (Zea mays L.) Paselle, Eden Sampe Kumbun; Ratag, Semuel P.; Lasut, Marthen T.
Silvarum Vol. 3 No. 2 (2024): Silvarum
Publisher : Fakultas Pertanian, Universits Sam Ratulangi, Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/sil.v3i2.53213

Abstract

Penerapan sistem agroforestri dengan pola pengelolaan yang tepat diharapkan mampu meningkatkan produktivitas lahan . Faktor lingkungan tumbuh biotik maupun abiotik sangat berpengaruh dalam lingkungan dan produksi tanah. Selain itu, proses produksi senyawa kimia (alelopati) yang masuk ke dalam lingkungan dari tanaman ke tanaman lain yang memiliki pengaruh merugikan dan menguntungkan secara tidak langsung. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi ekstrak daun jati (Tectona grandis L.) terhadap perkecambahan benih jagung (Zea mays L.) dan perbedaan pengaruh konsentrasi ekstrak daun jati (Tectona grandis L.) terhadap perkecambahan benih jagung (Zea mays L.). Metode yang digunakan dalam penelitian ini adalah metode percobaan dengan desain Rancangan Acak Lengkap (RAL) dengan empat ulangan. Perlakuan terdiri dari ekstrak daun jati 10%, 20% dan 30% serta air suling sebagai kontrol. Hasil penelitian menunjukkan bahwa pada pengaruh konsentrasi ekstrak daun jati terhadap perkecambahan benih jagung yang diuji menggunakan Microsoft Excel 2013 dengan Metode Anova Single Factor pada persentase daya kecambah benih berbeda nyata (ada pengaruh nyata pada Uji BNT) namun sebaliknya pada laju perkecambahan tidak berbeda.
Identifikasi Strata Tajuk Pola Agrosilvopastura di Desa Mopolo, Kecamatan Ranoyapo Putra, Andhy; Pangemanan, Euis F.S.; Ratag, Semuel P.
Silvarum Vol. 3 No. 3 (2024): Silvarum
Publisher : Fakultas Pertanian, Universits Sam Ratulangi, Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/sil.v3i3.50371

Abstract

Abstrak Agrosilvopastura adalah pengkombinasian komponen berkayu dengan pertanian dan sekaligus hewan ternak pada suatu menejemen lahan yang sama. Penelitian ini bertujuan untuk mengidentifikasi komposisi jenis tanaman penyusun per stratum dan kerapatan jenis per stratum pada pola agrosilvopastura di Desa Mopolo. Metode yang digunakan yaitu metode survei dengan melakukan observasi lapangan pada 22 petak lahan yang menggunakan pola agrosilvopastura, dan diamati jenis tanaman, tinggi tajuk, dan luas lahan. Berdasarkan hasil penelitian pada pola agrosilvopastura di Desa Mopolo terdapat 50 jenis tanaman yang terdiri dari 22 jenis tanaman tahunan berkayu, 28 jenis tanaman pertanian dan 3 jenis ternak. Ternak berjumlah 214 yang terdiri dari 144 ayam, 35 babi, dan 35 sapi. Gamal (Gliricidia maculata) dan jagung (Zea mays) merupakan tanaman yang paling banyak ditemukan di lokasi penelitian. Stratifikasi tajuk yang terbentuk terdiri atas lima strata yaitu strata A, B, C, D, dan E. Kerapatan tanaman pada stratum A 4 individu/ha, stratum B 387 individu/ha, stratum C 2949 individu/ha, stratum D 24043 individu/ha dan stratum E 30662 individu/ha. Kata kunci: Agrosilvopastura, Strata Tajuk, Desa Mopolo
Pengaruh Konsentrasi Ekstrak Daun Mahoni (Swietenia mahagoni) terhadap Perkecambahan Benih Kacang Hijau (Vigna radiata) Damayanti, Damayanti; Ratag, Semuel P.; Pangemanan, Euis F.S.
Silvarum Vol. 2 No. 1 (2023): Silvarum
Publisher : Fakultas Pertanian, Universits Sam Ratulangi, Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (210.11 KB) | DOI: 10.35791/sil.v2i1.43537

Abstract

Keberadaan berbagai jenis tanaman yang ditanam dengan sistem tumpang sari dalam lahan agroforestri dapat menyebabkan persaingan antar tanaman khususnya dalam memperoleh air, hara, cahaya, dan lain-lain. Selain itu, tanaman dapat mengeluarkan senyawa yakni alelopati. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi ekstrak daun mahoni (Swietenia mahagoni) terhadap perkecambahan benih kacang hijau (Vigna radiata) Metode yang digunakan dalam penelitian ini ialah metode percobaan dengan desain Rancangan Acak Lengkap (RAL) dengan empat ulangan. Perlakuan terdiri dari ekstrak daun 10%, 20% dan 30% serta air suling sebagai kontrol. Hasil penelitian menunjukan bahwa, perlakuan konsentrasi ekstrak daun mahoni (Swietenia mahagoni) tidak berpengaruh terhadap perkecambahan benih kacang hijau (Vigna radiata).
Partisipasi Masyarakat Kelurahan Peleloan Kecamatan Tondano Selatan Kabupaten Minahasa Dalam Kegiatan Konservasi Danau Tondano Runtuwene, Stive E.Y.; Ratag, Semuel P.; Lasut, Marthen T.
Silvarum Vol. 2 No. 1 (2023): Silvarum
Publisher : Fakultas Pertanian, Universits Sam Ratulangi, Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (214.606 KB) | DOI: 10.35791/sil.v2i1.43538

Abstract

Tujuan Penelitian ini untuk mendeskripsikan partisipasi masyarakat yang ada di Kelurahan Peleloan, Kecamatan Tondano Selatan, Kabupaten Minahasa dalam kegiatan konservasi Danau Tondano. Penelitian ini dilaksanakan pada bulan Februari tahun 2022 dengan metode penelitian Wawancara dan Observasi. Wawancara dilakukan dengan pertanyaan tertutup dan wawancara mendalam secara terbuka “indepth interview” ditunjukkan kepada masyarakat Kelurahan Peleloan yang sudah memiliki KTP (kartu tanda penduduk) dengan total sampel berjumlah 30 orang. Tingkat partisipasi masyarakat dalam kegiatan konservasi Danau Tondano di Kelurahan Peleloan, Kecamatan Tondano Selatan, Kabupaten Minahasa sudah baik. Hal ini terlihat dari presentase responden yang termasuk dalam berkategori berpartisipasi baik 30% dan sangat baik 30%. Lebih dari setengah responden berpartisipasi dalam kegiatan konservasi yang diadakan oleh pemerintah maupun LSM. Ini terjadi karena kebijakan pemerintah dalam memberikan upah pada masyarakat yang terlibat sehingga menunjang perekonomian mereka. Masyarakat yang berada di Kelurahan Peleloan, sudah memahami bahwa kegiatan konservasi adalah kegiatan untuk menjaga kelestarian Danau Tondano sebagai penunjang kehidupan mereka.
Co-Authors D. Faryanti Damayanti Damayanti Dolame, Yanto Eka Maryuni Toding Euis F. S. Pangemanan Fabiola B. Saroinsong Hasni Hasni Hatibae, Shinta Yati Hengki D. Walangitan Hengki D. Walangitan Ibrahim . Johny S. Tasirin Josephus I. Kalangi Kader, Rahmiyanti Kambu, Febriyani Kendy H. Kolinug Lasut, Marhen T. Maria Y.M.A. Sumakud Marthen T. Lasut Marthen T. Lasut Martina A. Langi Martina A. Langi Mega Masyita Gusti Mildsty Tarore Miokbun, Hengky Aikari Ngangi, Charles Reijnaldo Palamba, Vanni Berliani Pangemanan, Euis F. S. Paselle, Eden Sampe Kumbun Pontoh, Syalomitha Putra, Andhy Rahmiyanti Kader Randi Purba Reynold P. Kainde Reynold P. Kainde Risal Umalekhoa Runtuwene, Stive E.Y. Ruth Polii Saroinsong, Fabiola Sitti S. Umagap Situmorang, Esra Nikita Talantan, Puput Umagap, Sitti S. Wawan Nurmawan Yanto Dolame Yaromi Yoman Yuliyana Christina Laratmase Yusak M. Dori Yusuf L. Tamarol Yusuf L. Tamarol, Yusuf L.