<p>Kabupaten Aceh Tamiang berada di Kawasan Ekosistem Leuser yang memiliki keanekaragaman hayati yang tinggi. Meskipun demikian, hingga saat ini data dan informasi terkait jenis buah-buahan lokal yang dapat dimakan di Kabupaten Aceh Tamiang masih sangat terbatas. Tujuan kegiatan ini adalah untuk mengarakterisasi karakter morfologi dan pemanfaatan sumber daya genetik tanaman buah lokal di Kawasan Ekosistem Leuser Kabupaten Aceh Tamiang. Kegiatan dilaksanakan pada lima kecamatan, yaitu Bandar Pusaka, Tamiang Hulu, Tenggulun, Sekerak, dan Manyak Payed, Provinsi Aceh dengan metode<br />eksplorasi di Kawasan Ekosistem Leuser dan pekarangan rumah masyarakat. Data yang dikumpulkan meliputi jenis tumbuhan, pemanfaatan, dan status tumbuhan tersebut. Sebanyak 55 jenis, 29 marga, dan 20 famili telah ditemukan di Kabupaten Aceh Tamiang. Terdapat 9 jenis tumbuhan buah yang memiliki potensi nilai ekonomi, yaitu mancang (M. foetida), kuweni (M. odorata), asam gelugur (G. atroviridis), durian merah (D. conatus), sentul (S. koetjape), cempedak air (A. kemando), murbei gunung (M. australis), jambu keling (S. cumini), dan tampoi (B. macrocarpa). Pemanfaatan buah eksotik lokal di Kabupaten Aceh Tamiang masih terbatas dikonsumsi dalam bentuk buah segar. Buah-buahan lokal memiliki potensi yang tinggi sebagai sumber daya genetik<br />dalam mendukung ketersediaan pangan.</p>
Plankton merupakan organisme kecil yang melayang di dalam badan air pada perairan dan memiliki kemampuan bergerak yang pasif. Perubahan kondisi lingkungan menentukan kehadiran komunitas plankton yang hadir. Plankton terbagi menjadi fitoplankton dan zooplankton. Fitoplankton merupakan plankton yang dapat melakukan fotosintesis. Salah daerah pesisir yang berada di Kota Langsa adalah Pulau Pusong. Penelitin ini bertujuan untuk mengetahui jenis fitoplankton apa saja yang terdapat di perairan sekitar Pulau Pusong dan kondisi lingkungan di perairan sekitar Pulau Pusong. Pencuplikan sampel plankton di perairan Pulau Pusong dilakukan sebanyak empat titik sampling. Pengukuran sampel air dilakukan dengan tiga ulangan. Ada 30 jenis fitoplankton yang diperoleh yang terdiri dari genus yaitu Bacillaria, Bacteriastrum, Biddulphia, Ceratium, Chaetoceros, Coscinusdiscus, Dactyliosolen, Dithylum, Eucampia, Leucosolonia, Merismopedia, Navicula, Nitzschia, Odentella, Planktonella, Pseudo-nitzschia, Pyrocystis, Rhizosolenia, dan Thalassionema.
The purpose of this study was to analyze the needs of teachers and students on the use of modules as colloidal teaching materials at SMAN 1 Tembilahan. This type of research is descriptive with a qualitative approach. Collecting data using interview sheets and questionnaires. The subjects of this study were three teachers and ten students of class XII IPA 3 SMAN 1 Tembilahan. Based on the results of the questionnaire given, 100% of teachers have used teaching materials that are in accordance with the 2013 curriculum. As many as 67% of teachers experience limited handbooks, both in terms of completeness of materials, explanation techniques, and examples of applying concepts in everyday life. For the use of other teaching materials (outside of school handbooks), only 33% used them while the rest had not used other teaching materials. Regarding the use of application-based teaching materials during the learning process, 100% of teachers have never used them. 33% of teachers have developed teaching materials in the form of modules independently and the rest have never. 100% of teachers expressed interest in the electronic module. From the results of the questionnaire analysis of student needs, it can be concluded that students need a teaching material that can help them to more easily understand chemical concepts and the teaching materials are equipped with pictures, videos, and animations so that learning becomes more interesting and interactive.
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