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TREUBIA
ISSN : 00826340     EISSN : 2337876X     DOI : -
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Articles 1,444 Documents
Instructions for authors & back cover Treubia, Editor
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

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Abstract

Cover, Editors & Content Treubia, Editor
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

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

Abstract

Cover, Editors & Content Editor Treubia
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

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

Abstract

Instructions for authors & back cover Editor Treubia
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

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Abstract

THE BEHAVIOUR OF THE MOLLUCAN MEGAPODE, EULIPOA WALLACEI CAVES:MEGAPODIDAE) IN NESTING GROUNDS HEIJ, C. J.
TREUBIA Vol 31, No 2 (1997): Vol. 31 No. 2, December 1997
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/trb.v31i2.619

Abstract

The moluccan -megapode, Eulipoa wallacei is the only hole digging megapode in the island of Haruku. The birds lay eggs in a communal nesting ground exposed to the heat of the sun. The eggs collected between 1987 and 1995 showed an increase in number. The factors influencing the increase in number were not fully known, but it seems the social economic activities of the local peoples influenced the intensity of searching the eggs. There were also differences in number of eggs collected in wet and dry season.The birds lay eggs at the depth of 60-90 CIII in soil, the average eggs length 78.1 mm, average width 48.9 mm. The average soil temperature 27° - 35°C. The eggs in the incubation boxes resulted in 92.7% hatchlings, average incubation time 74.2 days, and the hatchlings found on the soil surface have an average weight of 57 gr. The behaviour of the bird in detail is indicated.
THE BEHAVIOUR OF THE MOLLUCAN MEGAPODE, EULIPOA WALLACEI CAVES:MEGAPODIDAE) IN NESTING GROUNDS C. J. HEIJ
TREUBIA Vol 31, No 2 (1997): Vol. 31 No. 2, December 1997
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/trb.v31i2.619

Abstract

The moluccan -megapode, Eulipoa wallacei is the only hole digging megapode in the island of Haruku. The birds lay eggs in a communal nesting ground exposed to the heat of the sun. The eggs collected between 1987 and 1995 showed an increase in number. The factors influencing the increase in number were not fully known, but it seems the social economic activities of the local peoples influenced the intensity of searching the eggs. There were also differences in number of eggs collected in wet and dry season.The birds lay eggs at the depth of 60-90 CIII in soil, the average eggs length 78.1 mm, average width 48.9 mm. The average soil temperature 27° - 35°C. The eggs in the incubation boxes resulted in 92.7% hatchlings, average incubation time 74.2 days, and the hatchlings found on the soil surface have an average weight of 57 gr. The behaviour of the bird in detail is indicated.
MORPHOLOGICAL STUDY OF THE SCALES OF Latimeria menadoensis POUYAUD et al Hadiaty, Renny K; Rachmatika, Ike
TREUBIA Vol 33, No 1 (2003): Vol. 33 No. 1, December 2003
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7740.347 KB) | DOI: 10.14203/trb.v33i1.561

Abstract

The scales of Latimeria menadoensis has a variety of the shape of the scales from oval, rectangular, footprint, elongated-pointed edge etc. The comparison in the portion of the exposed and embedded part of the total length of the scales of Latimeria menadoensis and Latimeria chalurnnae at the approximately similar part of the body i.e. scale on the dorsal region and scales located on the region extending lateral posteriorly until caudal, indicated that this portion is different. In L. chalumnae the exposed part are one third and the embedded part are two third of the total length of the scale. The exposed part in the L. menadoensis are more than one third (average 35.9% of total length), while the embedded part are less than tioo third, but 011 the other part of the body i.e. dorsal lobe fin, the embedded part was 73.9% or approximately three [ourth of the total lellgth of tile scale. The 175 loose scales were also examined and discussed.Some of the loose scales ioere examined 1111del the scanning electron microscope (SEM) by using two kinds of preparations. It showed the apex region, the annular ridges, the radiating ridges and the denticles.Key words: Coelacanth, Latimeria menadoensis, morphology and structure of scales, microradiography, histological technique, exposed part, ernbeded part
MORPHOLOGICAL STUDY OF THE SCALES OF Latimeria menadoensis POUYAUD et al Renny K Hadiaty; Ike Rachmatika
TREUBIA Vol 33, No 1 (2003): Vol. 33 No. 1, December 2003
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/trb.v33i1.561

Abstract

The scales of Latimeria menadoensis has a variety of the shape of the scales from oval, rectangular, footprint, elongated-pointed edge etc. The comparison in the portion of the exposed and embedded part of the total length of the scales of Latimeria menadoensis and Latimeria chalurnnae at the approximately similar part of the body i.e. scale on the dorsal region and scales located on the region extending lateral posteriorly until caudal, indicated that this portion is different. In L. chalumnae the exposed part are one third and the embedded part are two third of the total length of the scale. The exposed part in the L. menadoensis are more than one third (average 35.9% of total length), while the embedded part are less than tioo third, but 011 the other part of the body i.e. dorsal lobe fin, the embedded part was 73.9% or approximately three [ourth of the total lellgth of tile scale. The 175 loose scales were also examined and discussed.Some of the loose scales ioere examined 1111del' the scanning electron microscope (SEM) by using two kinds of preparations. It showed the apex region, the annular ridges, the radiating ridges and the denticles.Key words: Coelacanth, Latimeria menadoensis, morphology and structure of scales, microradiography, histological technique, exposed part, ernbeded part
THE DNA SEQUENCE PERFORMANCE OF COI GENE IN WHITE COCKATOOS (CACATUA, PSITTACIFORMES) Astuti, Dwi -; Sulandari, Sri -
TREUBIA Vol 37 (2010): Vol. 37, December 2010
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.806 KB) | DOI: 10.14203/trb.v37i0.95

Abstract

Performance of nucleotide sequencing of 807-bp segments of mitochondrialc cytochrome oxidase I (COI) was analyzed to study the relationship and grouping ofsix species of white cockatoos: Cacatua galerita, C. sulphurea, C. alba, C. moluccensis,C. sanguinea, and C.goffini. Two species (Aprosmictus erythropterus and Prioniturusplaturnus) were used as outgroups in this study. The sequences contained a meancomposition of 25.9 % tymine, 30.8 % cytosine, 26.0 % adenine, and 17.4 % guanine.Based on Kimura 2-parameter analyses, the genetic distance between individuals withina species (intraspecific) ranged from 0.0000 (C. alba) to 0.0026 ± 0.0012 (C. galerita)and the genetic distance between individuals of different species ranged from 0.0299± 0.0057 (C. sulphurea vs C. galerita) to 0.0991 ± 0.0120 (C. moluccensis vs C.sanguinea). Sequence variations and haplotypes were found in Cacatua. In total, 196(%) variable sites were identified with 189 sites being parsimoniously informative.Neighbor-joining (NJ) and maximum parsimony (MP) analyses showed two maingroups in Cacatua: (C. sanguinea + C. goffini), and (C. alba + C. moluccensis) + (C.galerita + C. sulphurea).
THE DNA SEQUENCE PERFORMANCE OF COI GENE IN WHITE COCKATOOS (CACATUA, PSITTACIFORMES) Dwi - Astuti; Sri - Sulandari
TREUBIA Vol 37 (2010): Vol. 37, December 2010
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/trb.v37i0.95

Abstract

Performance of nucleotide sequencing of 807-bp segments of mitochondrialc cytochrome oxidase I (COI) was analyzed to study the relationship and grouping ofsix species of white cockatoos: Cacatua galerita, C. sulphurea, C. alba, C. moluccensis,C. sanguinea, and C.goffini. Two species (Aprosmictus erythropterus and Prioniturusplaturnus) were used as outgroups in this study. The sequences contained a meancomposition of 25.9 % tymine, 30.8 % cytosine, 26.0 % adenine, and 17.4 % guanine.Based on Kimura 2-parameter analyses, the genetic distance between individuals withina species (intraspecific) ranged from 0.0000 (C. alba) to 0.0026 ± 0.0012 (C. galerita)and the genetic distance between individuals of different species ranged from 0.0299± 0.0057 (C. sulphurea vs C. galerita) to 0.0991 ± 0.0120 (C. moluccensis vs C.sanguinea). Sequence variations and haplotypes were found in Cacatua. In total, 196(%) variable sites were identified with 189 sites being parsimoniously informative.Neighbor-joining (NJ) and maximum parsimony (MP) analyses showed two maingroups in Cacatua: (C. sanguinea + C. goffini), and (C. alba + C. moluccensis) + (C.galerita + C. sulphurea).

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