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INDONESIA
REINWARDTIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
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Articles 1,467 Documents
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NITROGEN CONTENT OF TOPSOIL IN LOWLAND TROPICAL FOREST IN EAST KALIMANTAN (INDONESIA), BEFORE AND AFTER CLEAR-CUTTING AND BURNING SOEDARSONO RlSWAN
REINWARDTIA Vol 10, No 2 (1984): vol. 10 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v10i2.267

Abstract

In order to study the changes in nitrogen content of forest soils after clearcutting and burning over a period of time, two plots of 0.5 ha in the primary mixed dipterocarp and kerangas forests were established and clear-cut. Thereafter, all felled vegetation in one plot of each forest type was burnt, while in the other plot the vegetation was removed from the plot without burning. Soil samples were collected along the transect line 1 x 100 m in each of plots at intervals of 20 m.The preliminary results of the data collected over 6 and 12 weeks after felling with or without burning showed a decline of total N and organic C contents of topsoil and an increase in soil pH.
A NEW SPECIES OF AGAFETES FROM BHUTAN N. P. BALAKRISHNAN N. P. BALAKRISHNAN
REINWARDTIA Vol 7, No 3 (1966): vol.7 no.3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v7i3.942

Abstract

AGAPETES BHUTANICA Balak. & Chowdhury, spec. nov. -Fig.Affinis A. odontdcerae (Wight) Rook. f. et A. variegatae (Roxb.) D.Don ex G. Don; ab utraque differt pedicellis, ccdycibus et corollis glandu loso-pilosis; ab A. odontocera differt foliis pseudoverticillatis; ab A.vanegata differt corolla breviore.
NOTE SUR LES GENRES PALEOTROPICAUX AFZELIA, INTSIA ET PAHUDIA (Legum.-Caesalp.) J. J. G. LEONARD
REINWARDTIA Vol 1, No 1 (1950): vol.1 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v1i1.1039

Abstract

1. Afzelia,Intsia,Pahudia,and Afrafzelia are very close to each other andnot well defined genera. 2. Intsia is a good genus, but the three,other ones are congeneric with eachother. 3. Afzelia Smith is a nomen conservandum and,therefore, must be maintained against Pahudia, generally used in Asiatic and Malaysian floras. 4. An enumeration of all species of Afzelia is given.In this connection some new combinations are made.
A NEW SPECIES OF ISCHAEMUM FROM SULAWESI Marthen Theogives Lasut
REINWARDTIA Vol 12, No 3 (2006): Vol. 12, No. 3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v12i3.69

Abstract

LASUT, MARTHEN T. 2006. A new species of Ischaemum from Sulawesi. Reinwardtia 12(3): 257–259.––A new species of Ischaemum veldkampii Lasut sp. nov. is described.
Three new species of Freycinetia (Pandanaceae) from Kalimantan, Indonesia Ary Prihardhyanto Keim
REINWARDTIA Vol 13, No 1 (2009): Vol. 13 No. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v13i1.434

Abstract

Three new species of Freycinetia (Pandanaceae) from Kalimantan (Indonesian Borneo) are firstly described in this paper namely F. kartawinatae A.P. Keim, F. runcingensis A. P. Keim, and F. subracemosa A.P. Keim.
LAURACEAE A. J. G. H. KOSTERMANS
REINWARDTIA Vol 4, No 2 (1957): vol.4 no.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v4i2.1003

Abstract

An attempt has been made at a classification of the Lauraceae, into taxa down to the rank of subgenus. The characters and their taxonomic value are discussed amply. A system of the family and keys are given. Two subfamilies, viz Lauroideae and Cassythoideae, are recognized; several new tribes, subtribes and subgenera have been described. The accepted genera, 31 in number, are surveyed, with synonyms, typification, description, and particulars. Additional notes to "The genera of Lauraceae", which appeared in 1952, are given.
RHODODENDRON WIDJAJAE (ERICACEAE, SECTION SCHISTANTHE) A NEW SPECIES FROM SULAWESI George Argent; Yasper Michael Mambrasar
REINWARDTIA Vol 18, No 1 (2019): Vol.18 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v18i1.3700

Abstract

ARGENT, G. & MAMBRASAR, Y. M. 2019.  Rhododendron widjajae (Ericaceae, section Schistanthe) a new species from Sulawesi. Reinwardtia 18(1): 27‒30. — A new species of Rhododendron section Schistanthe (= subgenus Vireya) is described, Rhododendron widjajae Argent & Mambrasar. It is compared with the two most similar species and the differences demonstrated.  
PHYLOGEOGRAPHIC STRUCTURE OF THE COMMERCIALLY IMPOR- TANT TROPICAL TREE SPECIES, DRYOBALANOPS AROMATICA GAERTN. F. (DIPTEROCARPACEAE) REVEALED BY MICROSATELLITE MARKERS Fifi Gus Dwiyanti; Koichi Kamiya; Ko Harada
REINWARDTIA Vol 14, No 1 (2014): Vol. 14 No. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.394

Abstract

DWIYANTI, F.G., KAMIYA, K. & HARADA, K. 2014. Phylogeographic structure of the commercially important tropical tree species Dryobalanops aromatica Gaertn. F. (Dipterocarpaceae) revealed by microsatellite markers. Reinwardtia 14(1): 43 – 51. ? Dryobalanops aromatica Gaertn. F. (Kapur) is an economically important timber species in Southeast Asia that can serve as a good model for studying the impact of the Pleistocene glaciations on the genetic diversity and distribution of species in tropical regions. Seven polymorphic microsatellite markers were analyzed in five natural populations of D. aromatica (N = 120 individuals): Gunung Panti in Malay Peninsula, Lingga Island in Lingga Archipelago, Lambir Hills National Park, Limbang and Similajau National Park in Borneo. The level of gene diversity (HE) for the five populations was relatively high with a range from 0.571 (Similajau) to 0.729 (Gunung Panti). The high genetic diversity in the present study could be attributed to the larger refugia population sizes of D. aromatica than that of other species. The population genetic structure revealed two distinct groups: the Malay Peninsula-Lingga Archipelago and Borneo. This pattern suggests that populations in each geographical area might be the consequence of post-glacial expansion from one or two refugia, but that gene flow between different glacial refugia was fairly restricted.
NEW SPECIES OF PARINARI Aublet (Rosaceae-Chrysobalanoideae) A. J. G. H. KOSTERMANS
REINWARDTIA Vol 7, No 1 (1965): vol.7 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v7i1.968

Abstract

The following is an account and description of new species of Asiatic and one Fijian species of Parinari Aublet, originally intended to be included into a forthcoming monographic treatment of the Asiatic Parinari species Dr.Yan Prance (New York Botanical Garden) has informed me, that his revision and new classification of genera of the Chrysobalanoideae will be published soon and consequently I have deferred the publication of my monograph to a later date.The species here are treated in a conservative way and described as belonging to the genus Parinari sensu lato; between brackets I have added the section to which the species belongs.
A REVISION OF ISEILEMA (GRAMINEAE) IN MALESIA J. F. VELDKAMP
REINWARDTIA Vol 15, No 2 (2016): Vol.15 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i2.2947

Abstract

VELDKAMP, J. F. 2016. A revision of Iseilema (Gramineae) in Malesia. Reinwardtia 15(2): 123 – 127. — There are three very rare and localized species in Malesia; one from Java is new. Notes on some other Southeast Asian species are given.

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