Fri, August 27, 2010, 13:00 – 15:00, Venue: Ruang Sidang Atas Dep. ARL, Dramaga Campus, Bogor. Prof. Hadi Susilo Arifin and his students have held Regularly Seminar. The presenters were: Wahyu Catur Adinugroho (Master Student of Silviculture, topic: Carbon Sequestration for Permanent Vegetation in the Upper Stream of Kalibekasi Watershed and Sentul City, Bogor District), Nahda Kanara (Master Student of Landscape Architecture, topic: Structure Pattern and Mapping of Agrobiodiversity in Pekarangan of the the Upper Stream of Kalibekasi Watershed and Sentul City, Bogor District), Regan Leonardus Kaswanto (Doctor Student of IDEC/Hiroshima University Japan, topic: Pekarangan and Low carbon Society in Four Watersheds, West Java, Indonesia).