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INDONESIA
JURNAL BIOLOGI INDONESIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 08544425     EISSN : 2338834X     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 34 Documents
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Search results for , issue "Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA" : 34 Documents clear
REDISCOVERED OF GNETUM GNEMON VAR. TENERUM MARKGR. IN KALIMANTAN Astuti, Inggit Puji; Mar'atus, Saniyatun; Witono, Joko Ridho
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i2.2900

Abstract

SHORT COMMUNICATIONRediscovered of Gnetum gnemon var. tenerum Markgr. in Kalimantan
INTERAKSI GENOTIPE X LINGKUNGAN DAN STABILITAS KARAKTER AGRONOMI KEDELAI (GLYCINE MAX (L.) MERRILL) Sundari, Titik; Nugrahaeni, Novita
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i2.2889

Abstract

ABSTRACTResearch aimed to determine effect of genotype x environment interactions (GEI) on agronomic characters and yield stability of soybean genotypes were conducted at eight locations, namely Ngawi, Probolinggo, Banyuwangi, Jember, Malang, Sleman-Yogyakarta, Rembiga and Sesela-West Lombok. Materials used in the study were nine soybean genotypes consisting of six promising lines and three improved cultivars (Malabar, Wilis, and Ringgit). A randomized complete block design was used in each location, repeated four times. Observations were made on flowering days, maturity days, plant height, number of filled pods, seed weight per plant, 100 seed weight and seed yield. Results showed that the effect of GEI was significant on all of the observed agronomic characters. Maturity days, filled pods number, seed weight per plant, and seed yield were predominantly influenced by environmental factors, plant height and 100 seed weight were predominantly influenced by genetic factors, whereas flowering days was influenced by GEI. Genotype I/M-824-19 was stable with yield average lower compared to that of all genotypes and Agl/I-1114-8 was stable with yield average higher than the yield average of all genotypes. Wilis and M/IB-895-2 were classified as unstable, but gave yield average higher than the yield average of all genotypes.Keywords: adaptation, promising lines, soybean, stable
MODEL EUTROFIKASI 2-DIMENSI BERLAPIS UNTUK OPTIMALISASI LOKASI ZONA BUDIDAYA IKAN KARAMBA JARING APUNG (KJA) DI WADUK JATILUHUR Harsono, Eko
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i2.2896

Abstract

ABSTRACTThe development of floating net aquaculture in Jatiluhur reservoir that reach up 21000 to 26 717 plot have been resulted in eutrophication that interfere of water treatmen raw water, tourism and water sports, so the reduction and redeployment zones floating net in the reservoir needs to be done. The purpose of this study looking for zone of floating net aquaculture in Jatiluhur reservoir. The zone is obtained from the optimization by maximizing the density plots floating net per segment in alternate zones with constraints status trophic allowed in the area of water treatment raw water in take, tourism and water sports in the downstream Jatiluhur reservoir through simulation of the chlorophyll-a concentration distribution from the 2 -dimensional layered eutrophication model for scenarios increase every 10 plots floating net in segments of alternative zones 1, 2, 3 in the downstream reservoirs and alternate zone 4 in the middle of the reservoir. The results of the eutrophication 2-dimensional layered model calculation been obtained segment length and width of 100 m. The optimization results show, the carriying capacity of water due to zoning plots Jatiluhur reservoir floating net per segment in the middle of the reservoir is greater than the downstream of the reservoir, and to get water Jatiluhur reservoir in oligotrophic status that does not interfere with other uses of the reservoir water, and to get water Jatiluhur reservoir in oligotrophic status that does not interfere with other uses of the reservoir water, the highest density of a plot floating net per segment is the alternative zone 4 of 10 plot floating net per segment or 4,420 plot floating net. For the the aquaculture fish in floating net in the area are currently recommended to be moved to alternative zone 4 which is located in the central part Jatiluhur reservoir.Keywords: floating net plot zone, Jatiluhur reservoir, optimalitation, 2-dimensional layered eutrophication
VARIABILITAS MUSIMAN JENIS MAMALIA DI KAWASAN INDUSTRI SEMEN PT INDOCEMENT TUNGGAL PRAKARSA TBK UNIT PALIMANAN, JAWA BARAT Kartono, Agus Priyono; Choirunnisa, Amalia; Prayogi, Kendy Danang; Chandra, Rufidi
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i2.2885

Abstract

ABSTRACTA study on seasonal variability of mammals species was carried out in the cement industrial area of PT Indocement Tunggal Prakarsa Tbk. Palimanan Plant, West Jawa. The combined action of climatic factors and habitat types have an important contribution to the diversity of mammals. Season conditions in the cement industrial and quarry area can be divided into the dry and rainy seasons. Eight main habitat types are present in the region: the conservation area of Mount Blindis, tree stands within the factory area, tree stands outside the factory area, area surrounding the pool/artificial lake, area of Jatropha curcas plantation, buffer zone, shrubs, and paddy fields in the cement industrial area and quarry. The objective of this study was to compare the diversity of mammals based on the season and habitat types. Total of mammals found are 17 species, comprising 10 species of aerial mammals (bats) and 7 species of terrestrial mammals. We found that species richness in the dry and rainy season was significantly different (p = 0.000). Dry season is richer (13 species, 105 individuals) than rainy season (12 species, 93 individuals). Index of mammals species diversity in the dry season is H'=1.65±0.12 with evenness index J'=0.64; while the rainy season is H'=1.87±0.10 with evenness index J'=0.75. Communities similarities of mammals between the dry season with the rainy season is 64%.Keywords: Mammals, bats, species richness, diversity, evenness, similarity community

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