Abstract. Pandiangan D, Silalahi M, Dapas F, Kandou F. 2019. Diversity of medicinal plants and their uses by the Sanger tribe of Sangihe Islands, North Sulawesi, Indonesia. Biodiversitas 20: 621-631. The Sanger tribe is an indigenous tribe in Sangihe Islands, North Sulawesi, who still continue to use traditional medicinal plants. The objectives of this study were to document the diversity of medicinal plants and their general uses by the Sanger tribe in the selected villages of Sangihe Islands and to identify plants that have anti-cancer potential. The study was conducted with ethnobotanical approach using survey and interviews among 90 respondents selected from 9 study villages located in 3 sub-districts of Sangihe Islands. The study showed that 118 species of medicinal plants belonging to 47 families had been used by the Sanger tribe to treat 39 different types of diseases. Thirteen (13) species each were used for treating fever and ulcers, 12 species in the treatment of poisoning, 10 species each for cough and kidney diseases, 8 species for each of the diabetes mellitus and cancer or tumors, and 7 species each for itching, hypertension, physical injury and blood circulation disorders. For other diseases, the number of plant species used as medicines varied from 1 to 6. Leaves were the most predominantly used part for medicinal purposes as this was used in case of 73 species, followed by stems (37 species), roots (29 species), flowers (25 species), fruits (20 species) and seeds (17 species). Twenty percent (20% of the recorded medicinal plants were consumed directly and others after different methods of processing and preparation, such as boiling (51%), crushing (15%), roasting (2%), soaking (16%) and pasting (7%), and a species can be used more once. A utilization of Dischidia nythesiana as medicines for cancer/tumor by the Sanger tribe has not been reported before.
Program Studi Biologi, FMIPA, Universitas Sam Ratulangi, Manado 95115 2) Mahasiswa Program Sarjana Program Studi Biologi FMIPA Universitas Sam Ratulangi Manado 95115 ABSTRAK Penelitian tentang biodiversitas alga telah dilaksanakan dengan tujuan untuk menganalisis keanekaragaman alga makro di Taman Wisata Alam Batuputih Sulawesi Utara. Penelitian dilaksanakan di Taman Wisata Alam Batuputih, Kota Bitung dari bulan Januari sampai dengan Desember 2009. Pada lokasi penelitian dibuat 5 garis transek dengan jarak antara satu transek dengan transek berikutnya adalah 50 m. Setiap transek diambil 5 plot dengan ukuran 1 m x 1 m. Penempatan plot adalah 10 m, 20 m, 30 m, 40 m, dan 50 m dari garis pantai. Dengan demikian total plot penelitian sebanyak 50 plot. Pada setiap plot dihitung jumlah spesies alga yang ditemukan serta luas penutupannya, serta jumlah individu/koloni. Identifikasi jenis dilakukan di lapangan dengan menggunakan buku-buku identifikasi alga dan dilakukan konfirmasi di laboratorium. Hasil penelitian yang dilakukan di Taman Wisata Alam Batuputih pada 50 plot ditemukan 411 individu alga makro dengan 18 spesies yang berasal dari 3 divisi yakni Rhodophyta, Chlorophyta dan Phaeophyta. Dalam Divisi Rhodophyta dan Chlorophyta terdapat 7 spesies dengan 6 famili yang ditemukan, lebih banyak dibandingkan dengan Divisi Phaeophyta yang hanya ditemukan 4 spesies dengan 3 famili. ABSTRACTA research about algae diversity has been conducted to analysis macro-algae biodiversity at Batuputih Tourism Park, Bitung City, North Sulawesi from January to December 2009. At the above location, 5 line transects were made and the distance between previous and next transect was 50 m. In each transect, 5 plots were formed as representation to the the location. Plot size was 1 m x 1 m placed at 10 m, 20 m, 30 m, 40 m, and 50 m from zero point. Therefore, the total of plot in this research was 50 plots. In all plots, algae species richness, its covering and total of individuals/colony. Species identification was done in the field by using some algae identification manuals and confirmation was done at laboratory. Results of the research showed that: there were 411 individuals of algae in 50 plots at Batuputih Tourism Park. All individuals were classified into 18 species that included in 3 divisions, those were Rhodophyta, Chlorophyta and Phaeophyta. In the Division Rhodophyta and Chlorophyta, there were 7 species within 6 families, more than Division Phaeophyta that only consisted of 4 species within 3 families.
Keanekaragaman Serangga Penyerbuk di Perkebunan Sayuran Kelurahan Rurukan Kota Tomohon (Diversity of Pollinator Insects in the Vegetable Plantation of Rurukan, Tomohon City) Samuel Masawet, Roni Koneri*), Farha N.J.Dapas Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Sam Ratulangi, Manado, Indonesia*E-mail: ronicaniago@unsrat.ac.id Diterima 5 Juli 2019, diterima untuk dipublikasi 10 Agustus 2019 ABSTRAKKehadiran serangga penyerbuk sangat berperan penting dalam proses penyerbukan. Hal ini disebabkan karena serangga tersebut mentransfer tepungsari dari anther ke stigma yang menyebabkan terjadinya pembuahan. Penelitian ini bertujuan untuk menganalisis keanekaragaman serangga penyerbuk di perkebunan sayuran di Kelurahan Rurukan Kota Tomohon. Pengambilan sampel dilakukan pada tiga tipe lahan yaitu perkebunan labu siam, wortel, dan pinggir hutan. Pada masing-masing titik pengambilan sampel dibuat tiga plot berukuran 20m x 20m dengan jarak antar plot 20 m. Teknik pengamatan serangga penyerbuk menggunakan metode scan sampling. Hasil penelitian didapatkan 14 famili yang terdiri dari 24 spesies dan 2.185 individu. Ordo yang paling banyak ditemukan adalah Hymenoptera, sedangkan spesies yang memiliki kelimpahan tertinggi yaitu Apis nigrocincta. Keanekaragaman spesies penyerbuk tertinggi ditemukan pada lahan perkebunan wortel. Keanekaragaman spesies penyerbuk dipengaruhi oleh tipe perbunggaan, warna bunga, bau bunga dan kandungan nektar dari bunga. Kata kunci: Keanekaragaman, serangga penyerbuk, lahan pertanian, Desa Rurukan ABSTRACTThe presence of insect pollinators plays an important role in pollination processes. This is because the insects transfer the Tepungsari from anther to the stigma that causes the occurrence of fertilization. This research aims to analyse the diversity of insect pollinators in vegetable plantations in the village of Rurukan in Tomohon. Sampling was carried out on three types of land namely pumpkin plantations, carrots, and forest edges. At each sampling point was made three plots measuring 20 m x 20 m with a distance between plot was 20 m. Insect pollinators observation technique using sampling scan method. The results of the study gained 14 families consisting of 24 species and 2,185 individuals. The most widely discovered order was Hymenoptera, while the species which has the highest abundance was Apis nigrocincta. The highest diversity of the pollinator species was found on carrot plantation land. The diversity of pollinator species is influenced by the type of flowering, color of flowers, smell of flowers and the nectar content of flowers. Keywords: Diversity, pollinators Insects, agricultural land, Rurukan village.
ANALISIS JEJAK EKOLOGIS MELALUI STUDI JEJAK KARBON PADA TRANSPORTASI DARATABSTRAK Analisis jejak ekologis adalah salah satu alat perencanaan dalam pembangunan berkelanjutan. Konsep ini tidak hanya untuk menilai aktivitas manusia dalam kaitannya dengan keberlanjutan tetapi juga efektif untuk meningkatkan kesadaran masyarakat dan para pembuat keputusan untuk mengelola sumber daya alam secara lebih baik dan komprehensif. Analisis Jejak ekologis adalah alat untuk mengukur konsumsi sumberdaya alam dan batasan asimilasi limbah yang dihasilkan oleh populasi manusia atau ekonomi dikaitkan dengan daya dukung lahan. Salah satu bagian dalam analisis jejak ekologis adalah studi jejak karbon, dengan menghitung emisi karbon dioksida melalui pembakaran bahan bakar fosil pada kendaraan bermotor. Hasilnya dapat memberi gambaran mengenai dampak aktivitas manusia terhadap lingkungan dalam satuan tertentu (lahan bioproduktif) dan dapat dihubungkan dengan daya dukung bumi (biokapasitas). Kata kunci : jejak ekologis, jejak karbon, biokapasitas ECOLOGICAL FOOTPRINT ANALYSIS BY CARBON FOOTPRINT STUDY ON LAND TRANSPORTATION ABSTRACT Ecological Footprint analysis is one of the planning tool or indicator in sustainable development. This concept is not only to assess human activity in regard with sustainability but also effectively to raise community awareness and the decision maker to manage the resources better and comprehensive. Ecological Footprint analysis is an accounting tool that enables us to estimate the resource consumption and waste assimilation requirements of a defined human population or economy in terms of a corresponding productive land area. Carbon footprint can be studied by counting the Carbon dioxide emission or waste through fossil fuels consumption in vehicles. The result shows the human activities impact on environment in certain unit (bioproductive land) and can be connected with earth carrying capacity (biocapacity). Keywords: ecological footprint, carbon footprint, biocapacity
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