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All Journal HAYATI Journal of Biosciences Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan BIOTROPIA - The Southeast Asian Journal of Tropical Biology AGRIVITA, Journal of Agricultural Science Jurnal Biodjati BIOEDUSCIENCE Marine Research in Indonesia Jurnal Kelautan Nasional Makara Journal of Science
Dian Hendrayanti
Departemen Biologi, Gedung E, FMIPA Universitas Indonesia, Kampus UI Depok, Depok 16424
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Environmental Science Immunology & microbiology Veterinary

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Application of Biological Nitrogen Fixation Cyanobacteria To Paddy Plant Cultivated Under Deep-Water Culture System Hendrayanti, Dian; Rusmana, Iman; Santosa, Dwi Andreas; Hamim, Hamim
Jurnal Biodjati Vol 5 No 2 (2020): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v5i2.8510

Abstract

 The Biological Nitrogen Fixing (BNF) cyanobacteria can reduce atmospheric nitrogen into ammonium. This ability makes BNF cyanobacteria a potential eco-friendly N-source for soil-planted pad-dy. Apart from a few success stories of BNF cyanobacteria applica-tion in the rice field, its role as an ammonium producer is still an open question. There is also a possibility that indeed cyanobacteria biomass which provides nitrogen through the biological decomposing process. This study aimed to analyze the influence of three strains BNF cyanobacteria on paddy grown in the Deep-Water Culture (DWC) hydroponic system. Yoshida Nutrient Solution was used as a growth medium with the application of 0, 45.7, and 91.4 gL-1 of ammonium nitrate (NH4NO3) with five replications. The result showed that inter-action between cyanobacteria and nitrogen significantly influenced the total nitrogen of paddy plant, but not the paddy plant height, the num-ber of tillers, and biomass. Cyanobacterial filaments were found most-ly attached to the paddy root rather than floated in the DWC system. Paddy treated with cyanobacteria had more lateral root than control. The result suggested that cyanobacteria support paddy growth indi-rectly through nitrogen deposition in plant tissue and root development. 
BRYOPHYTE DIVERSITY AND ATMOSPHERIC POLLUTION IN A RESIDENTIAL AREA AND AN INDUSTRIAL URBAN FOREST IN JAKARTA, INDONESIA Putrika, Afiatry; Salamah, Andi; Atria, Mega; Hendrayanti, Dian; Winarni, Nurul Laksmi; Purba, Eliza Pricilia; Tsabitudinillah, Sarah; Ariyanti, Nunik Sri
BIOTROPIA Vol. 30 No. 3 (2023): BIOTROPIA Vol. 30 No. 3 December 2023
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2023.30.3.1960

Abstract

Bryophytes are nonvascular plants that have simple structures that are sensitive to environmental changes, and they can, therefore be used as indicators of air quality. The presence of bryophytes in disturbed urban ecosystems, such as residential and industrial areas, indicates that their structures have adapted to survive in such areas. The objective of this study was to compare the bryophyte diversity and air quality indices between a residential area and an industrial area in Jakarta. The research was conducted in the Bona Indah residential area in South Jakarta and the Jakarta Industrial Estate Pulogadung (JEIP) urban forest. Sampling was carried out using the transect method in the residential area and the quadratic method in the urban forest on three different substrates, namely rocks or concrete, soil and tree trunks. The percentage of the epiphytic bryophyte cover was measured using a 10 × 10 cm subplot. Voucher specimens were stored at the Herbarium UI DEP and Herbarium IPB. Twenty-one species of moss and three species of liverwort were found in the two locations. Bryophytes were found on all the substrates in the residential area, but in the urban forest, they were found only on tree trunks and rock/cement substrates. Based on the Shannon–Wiener Index, although both locations had moderate bryophyte diversity, the residential area’s bryophyte diversity was higher than that of the urban forest. The index of atmospheric purity in the residential area was 4.3, indicating a high level of pollution, and it was 0.3 in the urban forest, showing that it was also very polluted.
Co-Authors Agustin, Zenitha Lintang Amanina, Mardhotillah Asma Andi Salamah Anggi Septiani Ariyani, Yuni Ariyani, Yuni Arya Widyawan Arya Widyawan Arya Widyawan, Arya Atria, Mega DWI ANDREAS SANTOSA Fadilah, Nurrahmi Feni Andriani Hamim Hamim Hanupurti, Dhiti Aliya Humaida, Milka Iman Rusmana Khoiriyah, Istatik KRISTIAWAN, ONIE Kusmadji, Lestari Rahayu Lestari Rahayu Kusmadji Mardhotillah Asma Amanina Nining Betawati Prihantini Nirwawan, Rino NUNIK SRI ARIYANTI Pratiwi Yuliana Prihantini, Nining Betawati Prihantini, Nining Betawati Purba, Eliza Pricilia Purbalisa, Wahyu Putrika, Afiatry Riani Widiarti Rianto, Ronny Rianto, Ronny Ronny Rianto Sani, Lalu M. Iqbal Tsabitudinillah, Sarah Wahida Annisa Yusuf Wahyu Purbalisa Wardhana wardhana Wardhana, Wishnu Winarni, Nurul Laksmi Wisnu Wardhana Yasman Yasman Yuliana, Pratiwi Yuni Ariyani Yusuf, Wahida Annisa