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INDONESIA
Bioma : Berkala Ilmiah Biologi
Published by Universitas Diponegoro
ISSN : -     EISSN : 25982370     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
BIOMA (ISSN 1410-8801) adalah Majalah Ilmiah Biologi yang bertujuan mewadahi semua informasi hasil penelitian, telaah pustaka, makalah teknis, dan kajian buku, dari berbagai cabang ilmu Biologi. Diharapkan penerbitan ini dapat berkontribusi dalam penyampaian informasi ilmiah yang merupakan mata rantai proses kegiatan ilmiah. Terbit sejak tahun 1999.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol. 19, No. 1, Tahun 2017" : 12 Documents clear
Struktur Komunitas Odonata di Kawasan Wana Wisata Curug Semirang Kecamatan Ungaran Barat, Semarang Irawan, Frendi; Hadi, Mochamad; Tarwotjo, Udi
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 1, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (116.087 KB) | DOI: 10.14710/bioma.19.1.69-75

Abstract

Dragonflies role as a predator in an ecosystem and become a healthy aquatic bio-indicators related to the life cycle. The diversity of habitat, food and predators affect community structure dragonfly. This study aims to determine the composition and community structure dragonfly morning and afternoon as well as the relationship with the physical environmental factors on four habitat in Semirang waterfall. Research using transect Point Count method. Statistically, the biodiversity of odonata in each habitat is significantly different. The results shows there are 15 species from 10 Family in morning observations and 12 species of 6 Family in afternoon observations, with a total of 17 species of 10 family of odonata. Biodiversity in each station is low to moderately with high evenness. The highest abundance found in river habitat without the canopy during the afternoon that Vestalis luctuosa (61.29%), while the lowest abundance found in the the canopied river habitat when afternoon that is Drepanosticta spatulifera (1.33%). Common species at area of Semirang waterfall are Euphaea variegata, Orthetrum sabina and Vestalis luctuosa. Endemic species at area of Semirang waterfall are Heliocypha fenestrata, Drepanosticta spatulifera and D. sundana. Key words : Community structure, Odonata, Semirang waterfall
Pengaruh Pemberian Fermentasi Kotoran Ayam Roti Afkir Dan Ampas Tahu Dalam Media Kultur Massal Terhadap Pertumbuhan Dan Kandungan Nutrisi Daphnia sp Nailulmuna, Zumalallail; Pinandoyo, P; Herawati, Vivi Endar
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 1, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (189.752 KB) | DOI: 10.14710/bioma.19.1.47-57

Abstract

Daphnia sp. is one kind of natural food that has many advantages. Some advantages of Daphnia sp. is a high nutrient content, according to the size suitable for fish larvae, and the provision of Daphnia sp. in the form of life does not cause a decrease in water quality. Nutrition content on the Daphnia sp. became from the suspended organic and the bacteria which was obtained from the fertilizer that added to the culture media. This research was aimed to found out the effect of fermented quail feces, bread waste, and tofu and determine the best treatment to generate the biomass growth, and the nutrition content of the Daphnia sp.This research used laboratory animals such as Daphnia sp. and a container of concrete tanks as many as four. The methods of this research was used experimental methods with Complete Randomize Design with 4 treatments and population count repetition as 3 times with the density of the Daphnia sp. was 100 ind./l. Treatments of this research were Tretment A  (0 %  chicken mannure, 50 % tofu waste and 50 % bread waste), B (25 % chicken mannure, 50 % tofu waste and 25 % bread waste),  C (25 % chicken mannure, 25 % tofu waste and 50 % bread waste, D (50 % chicken mannure, 25 % tofu waste and 25 % bread waste) with the total amount of the combination was 200 g/l. Data which observed were population density, biomass, and nutrition content. The results showed that the treatment of A was the lowest population density valued 548.67 ind / ml and the highest population density was on C treatment with a density of 1328.67 ind / ml at the peak of the stationary phase. Biomass in treatment C resulted in 336.30 grams and the treatment A yield 82.64 grams, and the content of nutrients with the highest protein is found in the C treatment with a value of 66.80%. Keywords :Daphnia sp.;chicken manure; tofu waste; bread waste; fermentation

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