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All Journal Biospecies Indonesian Journal of Conservation Lembaran Ilmu Kependidikan Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Jurnal Pendidikan Biologi Indonesia Journal of Natural Sciences and Mathematics Research BIOMA Journal of Biology Education Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Biosaintifika: Journal of Biology & Biology Education Jurnal Pembelajaran Biologi : Kajian Biologi dan Pembelajarannya Berkala Penelitian Hayati Life Science Prosiding Seminar Nasional Biologi Journal of Biology Education Jurnal Abdimas Jurnal Dharma Indonesia
Nugroho Edi Kartijono
Department Of Biology , Faculty Of Natural Science And Mathematics, Semarang State University, Central Java
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Physics Social Sciences Other

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Journal : Life Science

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Struktur dan Komposisi Tumbuhan pada Lantai Hutan Jati di Kawasan RPH Bogorejo BKPH Tanggel Blora Andika, Erlangga Dwi; Kartijono, Nugroho Edi; Rahayu, Enni Suwarsi
Life Science Vol 6 No 1 (2017): April 2017
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Tumbuhan pada lantai hutan merupakan tumbuhan yang hidup di bawah tegakan hutan yang meliputi semak, perdu, herba, dan paku-pakuan. Kehadiran komunitas tumbuhan tersebut pada suatu landskap akan memberikan dampak positif bagi keseimbangan ekosistem dalam skala yang lebih luas. Penelitian ini bertujuan untuk menganalisi struktur dan komposisi komunitas tumbuhan lantai hutan jati di kawasan Resort Pemangkuan Hutan (RPH) Bogorejo Blora serta mendeskripsikan hubungan komunitas tumbuhan tersebut dengan faktor lingkungannya. Hasil penelitian menunjukkan bahwa spesies yang memiliki Indeks Nilai Penting (INP) tertinggi adalah Eulalia amaura (30,2%) yang termasuk famili Poaceae sedangkan indeks keanekaragaman tumbuhan lantai hutan jati di kawasan RPH Bogorejo sebesar 3,4. Komposisi tumbuhan lantai hutan meliputi 48 jenis yang terdiri dari 24 famili. Dari hasil analisis ordinasi diketahui bahwa sebaran stand penelitian mengelompok menjadi tiga bagian sesuai dengan pembagian area yang dilakukan. Hasil superimpose menunjukkan bahwa faktor intensitas cahaya merupakan faktor yang menentukan pengelompokkan komunitas dari seluruh stand yang dipelajari. Untuk menyediakan data dasar secara lengkap, perlu dilakukan penelitian lebih lanjut mengenai vegetasi tumbuhan lantai hutan jati secara periodik sepanjang tahun. Plants on the forest floor is a plant that lives under forest stands covering bushes, shrubs, herbs and ferns. The presence of the plant communities in a landscape will have a positive impact for the balance of the ecosystem within a larger scale. This study aims to determine the structure and composition of plant communities in the area of teak forest floor Forestry Resort (FR) Bogorejo Blora and to describe the relationship of the plant community with environmental factors. The results showed that the species had the highest Important Value Index (IVI) of teak forest floor is Eulalia amaura which includes family Poaceae (30.2%) while the index plant diversity in the region RPH Bogorejo of 3.4. The composition of the forest floor vegetation includes 48 species consisting of 24 families. From analysis ordinated research note that the distribution stand grouped into three sections according to the division of the area. The result of superimpose showed that the light intensity factor is a factor that determines the classification of the entire stands studied. To provide the completeness of the basic data, it is necessary to conduct further research on teak forest floor vegetation periodically throughout the year.
Analisis Korelasi Berbagai Faktor Budidaya terhadap Produktivitas Nira Siwalan (Borassus flabellifer L.) di Kecamatan Semanding Kabupaten Tuban Wahida, Afia Firna; Widiatningrum, Talitha; Kartijono, Nugroho Edi; Irsadi, Andin
Life Science Vol 13 No 1 (2024): May 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/lifesci.v13i1.65326

Abstract

Palmyra (Borassus flabellifer L.) is the identity plant of Tuban Regency. The main palmyra product in Tuban Regency is the sap. In the last 5 years (2015-2020) the productivity of sap has not increased. This study aimed to determine the correlation between cultivation factors and palmyra production in the Semanding Subdistrict, Tuban Regency, Indonesia. The research was correlative research with quantitative descriptive explanatory. The independent variables were several tree ownership, nurseries, fertilization, tapping methods, and control of plant pests. The dependent variable was the productivity of the palmyra sap. The research data sources were the people in the villages of Kowang, Gedongombo, Tegalagung, and Prunggahan, with a total sample taken of 103 people. Data collection was carried out using observation and semi-structured interviews. The results were then analyzed using the multiple linear regression application SPSS 25. The results showed that all the factors in the model, through the F test, had a significant effect simultaneously. Partially using the t-test, the factors that influence the productivity of the palmyra sap are pest control, the number of trees, and tapping methods. Therefore, the result confirmed the correlation between cultivation factors and palmyra production in the Semanding Subdistrict, Tuban Regency, Indonesia.
Analisis Struktur dan Profil Vegetasi Mangrove di Kecamatan Sayung Kabupaten Demak ALIFIANSYAH, JUANDRA; Irsadi, Andin; Kartijono, Nugroho Edi; Ngabekti, Sri
Life Science Vol 13 No 1 (2024): May 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/lifesci.v13i1.74475

Abstract

Sayung District is one of the district in Demak Regency which has mangrove vegetation. The alteration of Demak Regency's coastal areas caused by the sea rob phenomenon has a significant impact on the mangrove vegetation. The Semarang-Demak toll road construction along Sayung coast potentially causes mangrove damage. The purpose of this study is to determine the structure and profile, and analyze the condition of mangrove vegetation in Sayung, based on the structure and profile of Sayung mangrove vegetation. The study was conducted on the mangroves of Bedono, Mondoliko, and Morosari Village. This research used an exploratory method with descriptive analysis, by collecting data on vegetation parameters and vegetation profiles. The results showed that the types of mangroves found at all observation stations consisted of Avicennia, Bruguiera, and Rhizophora. The profile graph shows an association between Avicennia alba, Avicennia marina, and Rhizophora mucronata. Important Value Index (IVI) for all stations shows that Avicennia officinalis have highest value on 65,30 and 50,18 respectively. Diversity index shows that both stations have value on 0,873 and 0,893 which belongs to low diversity. Similarity index on each sub-stations shows the significant difference between Bedono-A, Bedono-C, Mondoliko, and Morosari stations at 0,4 index, Based on Abiotic parameters such as pH, salinity, and water temperature found on the optimal quality standard level. The conclusion is mangrove vegetation structure dominated by Avicennia and Rhizophora groups, with a low level of diversity at all observation stations.
Co-Authors A.A. Ketut Agung Cahyawan W Abdullah, Muh. Ali Djamhuri ALIFIANSYAH, JUANDRA Andi Haryoko Andika, Erlangga Dwi Andin Irsadi Anggun Saraswati Barkah Wulandari, Barkah Bella Safira Salsabila Dony Hidayat Al-Janan Eling Purwantoyo Enni Suwarsi Rahayu Erik Prasetyo Erik Prasetyo F. Putut Martin HB, F. Putut Martin Haris, Amnan Ibnul Mubarok Indah Puspita Sari, Indah Puspita Kusniana, Kusniana Kusniana, Kusniana Lina Herlina Lisdiana Lisdiana Lukitasary, Deasy Arta Lutfia Nur Hadiyanti, Lutfia Nur Margareta Rahayuningsih Margareta Rahayuningsih Nugroho Edi K Muh. Sholeh Muhammad Abdullah Murti, Wisnu Bayu Naharuddin Naharuddin Nora Amelia Dewi Nur Kusuma Dewi Partaya Partaya Priyantini Widiyaningrum R. Susanti Retno Wulan Riskawati Yuanita, Riskawati Saiful Ridlo Sigit Saptono Siti Nurbaiti Sri Ngabekti Sri Sukaesih Sri Widowati SUMADI SUMADI Susilo, Barep Purbo Talitha Widiatningrum Tri Oktaviantari Wahida, Afia Firna Wisnu Bayu Murti Wisnu Bayu MURTI Zakiyatul Maghfiroh