Selamat Datang di Web Rizki, S.Si., M.P., Dosen Program Studi Pendidikan Biologi STKIP PGRI Sumatera Barat. Pembina mata kuliah Morfologi Tumbuhan, Taksonomi Tumbuhan Tinggi, Biologi Umum, Ekologi Tumbuhan, Pengantar Laboratorium, dan Pengantar Bioteknologi. email: khi_bio@yahoo.com dan khibio3@gmail.com

Perubahan Beberapa Familia Tumbuhan

by: Rizki, S.Si., M.P.

Perkembangan dan kemajuan teknologi ikut mempengaruhi cara-cara dalam melakukan pengklasifikasian tumbuhan. Pada awalnya klasifikasi hanya dilakukan dengan menitikberatkan pada ciri-ciri morfologi suatu species, namun saat ini identifikasi tumbuhan sudah dilakukan sampai pada tingkat kandungan kimia tumbuhan (fitokimia) dan asam nukleat (DNA) tumbuhan tersebut. Perkembangan ini juga tidak terlepas dengan perkembangan software untuk analisis

Studi Etnobotani Hutan Mangrove di Teluk Buo Kecamatan Bungus Teluk Kabung Kota Padang

Dian Marta Sari, Irma Leilani Eka Putri, Rizki Rizki

khi_bio@yahoo.com

ABSTRACT

Ethnobotany is a study of benefit plants by the society to support life need. It has great benefit especially for the society who live around mangrove area. One of mangrove forest in West Sumatera is in Teluk Buo Kecamatan Bungus Teluk Kabung Padang city.

TUMBUHAN YANG DIKUNJUNGI LEBAH PEKERJA Apis dorsata Fabr (HYMENOPTERA: APIDAE) DI PALANGKI KECAMATAN IV NAGARI KABUPATEN SIJUNJUNG

Septri Yawati, Jasmi Jasmi, Rizki Rizki

ABSTRACT

Apis dorsata Fabr is one of the insects that benefit humans , especially it can produce honey. Honey bee colony consists of a queen bee , drones and bees worker. Apis dorsata in life is influenced by the environment one food source availability . Related with that have done research on the plant visit Apis dorsata Fabr bees worker (Hymenoptera : Apidae ) in Palangki Kecamatan IV Kabupaten Sijunjung on April 2013 with the aim to determine which plants visited by bees Apis dorsata Fabr workers in Palangki Kecamatan IV Nagari Kabupaten Sijunjung .

HUBUNGAN AGIHAN JENIS TUMBUHAN DENGAN TEKSTUR TANAH DI HUTAN MANGROVE TELUK BUO KECAMATAN BUNGUS TELUK KABUNG KOTA PADANG

khi_bio@yahoo.com

Nesya Kumalasari, Irma Leilani Eka Putri, Rizki Rizki

Soil is one of important factors directly affecting growth and development of mangrove forest. The relationship between mangrove and soil is complemented by the ability of different types of mangrove to grow in different substrates. Rhizopora apiculatais distributed in all textures of soil (loam, sandy loam, clay loam, sandy clay loam, clay and loam sandy).

AGIHAN JENIS TUMBUHAN DAN HUBUNGANNYA DENGAN PASANG SURUT DI HUTAN MANGROVE TELUK BUO KECAMATAN BUNGUS TELUK KABUNG KOTA PADANG

khi_bio@yahoo.com

Defri Novita Sari, Irma Leilani Eka Putri, Rizki Rizki

ABSTRACT

Mangrove is a typical tropical and subtropical forest plant, grows along the coast or river estuary and affected by the ebb and ride of the sea. The ebb is a factor that determines the distribution of mangrove forest. Almost all mangrove plants have floating seeds, and this results in its easy dissemination by the water to the back of the forest. The purpose of this study is to comprehend the relationship between type of the plat's distribution with the tidal wave if the mangrove forest of Teluk Buo, in the district of Bungus / Teluk Kabung, in the city of Padang . This descriptive study was performed during June-July 2013. Samples were

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