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Biospecies
Published by Universitas Jambi
ISSN : 19790902     EISSN : 25030426     DOI : 10.22437
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
The journal specializes in tropical biology research with a multidisciplinary scope encompassing zoology, botany, microbiology, ecology, environmental science, biotechnology, bioinformatics, and evolutionary biology. Distinct from conventional biology journals, BIOSPECIES emphasizes the integration of biodiversity research with indigenous knowledge systems and innovative approaches rooted in tropical ecosystems.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol. 10 No. 2 (2017): Juli 2017" : 5 Documents clear
Adaptasi Ikan Timpakul (Perioptholmodon schlosseri) di Habitat terganggu Muara Sungai Barito, Kalimantan Selatan: Adaptation of Timpakul fish (Perioptholmodon schlosseri) in disturbed habitat of Barito river estuary, South Kalimantan Muhamat MUHAMAT; Heri Budi SANTOSO; Hidayaturrahmah HIDAYATURRAHMAH
Biospecies Vol. 10 No. 2 (2017): Juli 2017
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1407.566 KB) | DOI: 10.22437/biospecies.v10i2.3496

Abstract

Timpakul fish (Periophthalmodon schlosseri) is a kind of fish which able to live long in the land. One of the habitats of the fish is Barito river estuary. The development of land conversion which high enough at Barito river estuary into the area of fishponds and rice fields cause P. schlosseri must adapt to the environment disturbed. The research aimed to determine the adaptation of P. schlosseri in fishponds and rice fields habitats in Barito river estuary. The research is conducted by using the method of line transect, that is by walking in the area of rice fields and fishponds in Barito river estuary with the object of observation consisted of nest and activity of P. schlosseri. The results of observation showed that the density of P. schlosseri was relatively small at 0.54 individual/hectare in paddy fields areal and 0.84 individual/hectare the area of aquaculture. The relatively low density of fish was caused by nature solitary and carnivorous fish. The adaptation of P. schlosseri in the areas of fishponds and paddy fields could be successful because it was supported by adequate food source, that were crab, shrimp, frog and small fish and predators were relatively few. Keywords: Adaptation, Barito river estuary, disturbed habitat, Periophthalmodon schlosseri
Identifikasi Jenis Mikroorganisme pada Tanaman Kurma di Kawasan Tangerang: Identification types of Microorganisms on Date palms roots in Tangerang Region Indah Juwita SARI; Adhitya Pangestu PUTRA; Andi HARTONO; Angel Wakalingga TANZIL; Dionysius WAHYU; STEFANIE STEFANIE; YOSHUA YOSHUA; Venansi VIKTARIA; Natalya KANTANA
Biospecies Vol. 10 No. 2 (2017): Juli 2017
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1086.982 KB) | DOI: 10.22437/biospecies.v10i2.3540

Abstract

Dates palms (Phoenix dactylifera L.) are species of plants which can be found commonly in the Middle East. The fruits are occasionally found and consumed during Ramadhan. There are several factors which can affect the growth of the plant, mycorrhiza is one of the example. Mycorrhiza is a form of mutualistic symbiosis between the root of plants and fungus. This symbiosis is proven to be favorable for plants, as it can help the absorption of the nutrient, help the defensive mechanism against pathogens, and support the plant to cope with the water deficiency. Furthermore, the plants may also have an alternate form of mutualistic symbiosis with the bacteria called endophytic bacteria which involves in the transaction of nutrient and mineral. This study requires the isolation of microorganisms that can be found within the root of date palms. The isolation can be done with the usage of Potato Dextrose Agar (PDA) as the media. There were several microorganisms which can be found within the isolated plant’s root. Through identification based on its morphology characteristics, the microorganism that was found probably are Staphylococcus; Bacillus subtillis; Glomeromycota sp., and Glomaceae sp. Keywords: Bacteria, dates, Glomaceae sp., Glomeromycota sp., mycorhizza
Efektivitas Pemberian Bacillus sp. D2.2 pada Media Teknis Molase terhadap Kualitas Air dan Performa Pertumbuhan Udang Vaname (Litopenaeus vannamei): The Effectivity of Bacillus sp. D2.2 in Molasses Technical Medium to Water Quality and Growth Performance of Vaname Prawns (Litopenaeus vannamei) Ayu NOVITASARI; Ricky Nur ISKANDAR; Hefi Afizena ELVAZIA; Esti HARPENI; Tarsim TARSIM; Wardiyanto WARDIYANTO
Biospecies Vol. 10 No. 2 (2017): Juli 2017
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1411.08 KB) | DOI: 10.22437/biospecies.v10i2.3824

Abstract

Vanamei prawns have fast growth and can reared in high density. it has an impact on water quality deterioration and disruption of survival rates and growth. Various ways to cope has been done, one of them is with probiotic bacteria. The new strain of D2.2 bacteria is thought to be effective of ammonia utilization. Probiotics with local bacteria Bacillus sp. D2.2 is cultured on molasses technical medium to be applied semi-mass. The purpose of this study is to asses the efectivity of Bacillus sp. D2.2 inthe molasses technical medium on water quality and growth performance of vaname prawns (Litopenaeus vannamei). The research was used complete randomized design (RAL) with four treatments, A (Control), B (Application of 5 ppm Bacillus sp. D2.2 cultured in molasses technical medium), C (Application of 10 ppm Bacillus sp. D2.2 cultured in molasses technical medium), D (Application of 15 ppm Bacillus sp. D2.2 cultured in molasses technical medium) were repeated three times each. The results showed no effect on water quality and shrimp survival rate, but absolute growth (W), daily growth rate (GR) and feed conversion ratio (FCR) showed that B and C treatment had better than control. Keywords: Vaname shrimp, growth, Bacillus sp. D2.2, molasses technical medium
Analisis Isi Lambung Ikan Selais Terang Bulan (Kryptopterus bicirrhis, Valenciennes 1840) di Desa Rantau Kasih Sungai Kampar Kiri Propinsi Riau: Study on Gut content of Selais Terang Bulan fish (Kryptopterus bicirrhis, Valenciennes 1840) in Rantau Kasih village Kampar Kiri river, Riau Province Ermi YENI; Roza ELVYRA
Biospecies Vol. 10 No. 2 (2017): Juli 2017
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1256.58 KB) | DOI: 10.22437/biospecies.v10i2.3922

Abstract

The study on gut content of Selais Terang Bulan fish (Kryptopterus bicirrhis) in Rantau Kasih village Kampar Kiri river was conducted from Februari-April 2017. The purpose of this study was to know about gut content of Selais Terang Bulan fish which was categorized as main food, supplementary food and additional food. The analysis is done based on the instruction of Natardjan and Jhingran (1961). The gut content was analized using the Index of preponderance. The result revealed that the main food of Selais Terang Bulan fish in Rantau Kasih village is adult Arthropoda with IP value (78.85%), and supplementary food is caterpillar (25.15%). Male and female fishes at have main food of adult Arthropoda with different percentages are (82.81%) male and female (71.32%). Based on the gut content analysis of Selais Terang Bulan fish was a carnivorous fish. Keyword: gut content analysis, Kryptopterus bicirrhis, Kampar kiri river
Keanekaragaman Jenis Kupu-kupu di Taman Nasional Karimunjawa Jawa Tengah: Diversity of butterflies in Karimunjawa National Park of Central Java Wisnu Bayu MURTI; Nugroho Edi KARTIJONO; Margareta RAHAYUNINGSIH
Biospecies Vol. 10 No. 2 (2017): Juli 2017
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1051.116 KB) | DOI: 10.22437/biospecies.v10i2.3928

Abstract

Karimunjawa National Park has several types of ecosystems that hold high biodiversity potential and have not been fully recorded. Karimunjawa National Park is the habitat of flora and fauna including butterflies there. The objective of the research was the diversity of butterfly species in Karimunjawa Island. The study was conducted on August-September 2017. The method of the research using Point Count method. Data analysis using diversity index, evenness index, dominance index, and similarity index. The results showed that the index of diversity (H') of butterfly community on Karimunjawa Island has value (2.95), it indicates that the condition of the butterfly community is stable. The result of the Eveness Index obtained a high yield E = 0.76, it shows that the individual distribution of each type of butterfly on Karimunjawa Island is evenly distributed. The result of the dominant Index shows a low value (0.10), thus no dominance is concentrated on a particular type of butterfly. Analysis of similarity index of species in all habitats observed obtained results IS= 53-73%, this shows that in the three habitats observed can be inhabited by almost all butterfly species and Has an equally important role as a community of butterflies in Karimunjawa Island. Keywords: biodiversity, butterfly, Karimunjawa Island

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