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All Journal Pendidikan Biologi Jurnal Pelangi Jurnal Pembangunan dan Alam Lestari BioCONCETTA BIOTROPIC The Journal of Tropical Biology Jurnal Penelitian Pendidikan IPA (JPPIPA) JURNAL PENDIDIKAN TAMBUSAI Sainstek : Jurnal Sains dan Teknologi Best Journal (Biology Education, Sains and Technology) Rangkiang: Jurnal Pengabdian Pada Masyarakat BIOGENESIS Journal of Digital Learning and Distance Education Journal Of Biology Education Research (JBER) Liabilitas : Jurnal Ilmiah Akuntansi dan Ekonomi Jurnal Pendidikan, Sains dan Teknologi Borneo Journal of Science and Mathematics Education Jurnal Horizon Pendidikan RANGKIANG: Jurnal Pengabdian Pada Masyarakat Radinka Journal of Health Science Jurnal Pendidikan Sains dan Teknologi Terapan Jurnal Budaya
Elza Safitri
Universitas PGRI Sumatera Barat
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Journal : Sainstek : Jurnal Sains dan Teknologi

 1 
MORFOLOGI Bruguiera cylindrica (L.) Blume YANG TUMBUH DI HUTAN MANGROVE KECAMATAN SIBERUT UTARA KABUPATEN KEPULAUAN MENTAWAI Rizki, Rizki; Safitri, Elza; Asroen, Asroen
Sainstek : Jurnal Sains dan Teknologi Vol 7, No 1 (2015)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (126.67 KB) | DOI: 10.31958/js.v7i1.122

Abstract

Morphology is the result of expression of a genotype that is influenced by environmental factors. Plant morphological variations may occur due to the different conditions of the region, these conditions may include differences in geographical location, ecological conditions such as variations in temperature, humidity, nutrition and others. Has done research on the morphology of Bruguiera cylindrica (L.) Blume grown in mangrove forest districts North Siberut Mentawai District. This morphological study aims to determine the morphology B. Cylindrica and compare it with the data that has been there before. This study was conducted in May-June 2015 in the mangrove forest District of North Siberut Mentawai District. The research method used in the study was a survey and a collection directly in the field. Samples contained area of mangrove forests are taken at random and then proceed to describe the morphology of the species B. Cylindica structure. Based on the research that has been dilakkan B. cylindrica can diketahuhi there are some differences in morphological characters on the roots of these species such as shape, color roots, tree height, color of trunks and branches, filotaksis leaves, leaf color, leaf length, flower color, fruit color, length and the diameter hipokotil. Then from this study can also be added some new information that has not been previously reported.Key word: morfologi Bruguiera cylindrica (L.) Blume, mangrove, mentawai
KOMPOSISI POHON DI BUKIT ACE KELURAHAN GUNUNG SARIK KECAMATAN KURANJI PADANG Rizki, Rizki; Safitri, Elza
Sainstek : Jurnal Sains dan Teknologi Vol 8, No 2 (2016)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (199.779 KB) | DOI: 10.31958/js.v8i2.475

Abstract

The existence of trees in a region could be threatened because of their good forest damage due to natural factors such as fires and landslides, as well as human activities mainly due to illegal logging. This study aims to determine the composition of a tree in Bukit Ace in the sub Kuranji Padang. In this study using a survey method using a combination of methods to make trransek track and map examples. Transects were observed along the 20 meter by 10 mapped sample with a size of 10x10 meter Analysis of vegetation cover density, frequency, dominance, importance and diversity index. Based on research conducted at the Mount Ace Village of Mount Sarik District of Kuranji Padang, tree composition consists of 13 species and 172 individuals where species of trees by people who at least is Anacardium ocidentale ie 3 people whereas species with people most is Xerospermum intermedium (31 people) , Important values ranging between 6.107% - 60.327%, of tree species that have significant value the highest is Xerospermum intermedium is 60.327% and tree species with important value lows are Evodia malayana namely 6.107%, while based on diversity index of forest in Bukit Ace classified as being abundant with value ID 2,351.
Co-Authors . Mansyurdin A.A. Ketut Agung Cahyawan W Abizar Abizar Abizar Abizar Abizar Afri Novita Aini, Fatma Qurrata Alan Dwiyono Alwasilah Yofita Ilham Aminuyati andika putri Vera Annika Maizeli Annisa Annisa Annisa, Aulia Nuzul Armaita Armein Lusi Armein Lusi Zeswita Asroen, Asroen Azhari, Novia Dahelmi Dahelmi Desyulita Sari Dice Yuliana Dilla Saputri Dra. NURSYAHRA M.Si Dra. NURSYAHRA M.Si Erizal Mukhtar Ermilianus Sailau Eunike Deska Bali Febri Yanti Ferti, Mila Amelia Fuji Fuji Hakika, Ikfin Haula Hayatul husna Jasmi Jasmi Linda Marni Lora purnamasari, Lora maifita, yesi Meliya Wati Muslimaini Muslimaini Mutia Farina Nadia Ayu Rahmanda Nur Hayati Nurhadi Putri Lailia Fitri Putri, Deva Yasnita Rahmi Gemila Sari Ratna Ratna Restia Riana Revani Assya Aulia Putri Ria Kasmeri Rido Aidi Rika Oktaria Riski Ramadanu Rival Yuhendri Rizki Rizki Ruth Rize Paas Megahati sari, wiwin lena Siska Nerita Sjahridal Dahlan Suherlinda Suherlinda Syahmitul Rafita Vivi Fitriani Wiwit fitri handayani Wiwit Satria Yosmed Hidayat Yulia Isnaini Hafifah Zikra Zikra Zikra Zikra Zikra