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Registros recuperados: 19
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A new species of fleshy-fruited Begonia (Begoniaceae) from Sumatra Naturalis
Tebbitt, M.C..
Begonia scottii, a new species of Begonia from northern Sumatra, Indonesia, is described and illustrated. The species is classified in the section Sphenanthera and a key to this and allied species within this section is provided.
Tipo: Article / Letter to the editor Palavras-chave: Begoniaceae; Begonia section Sphenanthera; Sumatra.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/526133
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A new species of Tupistra (Convallariaceae) from Sumatra Naturalis
Tanaka, N..
Tupistra sumatrensis N. Tanaka, a new species from northern Sumatra, is described and illustrated. Diagnostic notes of this species in comparison with some related species are also provided.
Tipo: Article / Letter to the editor Palavras-chave: Tupistra grandis; T. grandistigma; T. sumatrensis; T. violacea; Sumatra.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/525920
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Deep sea in situ excess pore pressure and sediment deformation off NW Sumatra and its relation with the December 26, 2004 Great Sumatra-Andaman Earthquake ArchiMer
Sultan, Nabil; Cattaneo, Antonio; Sibuet, Jean-claude; Schneider, Jean-luc.
The swath bathymetric data acquired during the "Sumatra Aftershocks" cruise from the Sunda trench in the Indian Ocean to the north of the Sumatra Island imaged several scars and deposits. In situ pore pressure measurements using the Ifremer piezometer and coring demonstrate that high excess pore pressure and sediment deformation was generated by a recent event in the scar of the slope failure zone identified by J.T. Henstock and co-authors. This excess pore pressure is localized in the upper sedimentary layers and is not related to an interplate subduction process. Numerical simulations of the hydrological system that take into account the hydro-mechanical properties of the upper sediment layer show that the excess pore pressure and sediment deformations...
Tipo: Text Palavras-chave: Tsunami; Sumatra; Slope failure; Pore pressure; Earthquake.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6740.pdf
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Impact of lower plate structure on upper plate deformation at the NW Sumatran convergent margin from seafloor morphology ArchiMer
Graindorge, D; Klingelhoefer, Frauke; Sibuet, Jean-claude; Mcneill, L; Henstock, T; Dean, S; Gutscher, M; Dessa, J; Permana, H; Singh, S; Leau, H; White, N; Carton, H; Malod, Jacques-andre; Rangin, C; Aryawan, K; Chaubey, A; Chauhan, A; Galih, D; Greenroyd, C; Laesanpura, A; Prihantono, J; Royle, G; Shankar, U.
We present results from multibeam bathymetric data acquired during 2005 and 2006, in the region of maximum slip of the 26 Dec. 2004 earthquake (Mw 9.2). These data provide high-resolution images of seafloor morphology of the entire NW Sumatra forearc from the Sunda trench to the submarine volcanic arc just north of Sumatra. A slope gradient analysis of the combined dataset accurately highlights those portions of the seafloor shaped by active tectonic, depositional and/or erosional processes. The greatest slope gradients are located in the frontal 30 km of the forearc, at the toe of the accretionary wedge. This suggests that long-term deformation rates are highest here and that probably only minor amounts of slip are accommodated by other thrust faults...
Tipo: Text Palavras-chave: Sumatra; Tectonic; Seafloor morphology; Accretionary wedge; Subduction.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-5166.pdf
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Management Options for the Inland Fisheries Resource in South Sumatra, Indonesia: I Bioeconomic Model AgEcon
Koeshendrajana, Sonny; Cacho, Oscar J..
The inland fishery in South Sumatra, Indonesia, is an important source of income, employment and protein to small-scale fishers. Some overall indicators, such as virtual disappearance of certain important species and continuous reduction in the size of harvested fish, indicate that the fishery is not being exploited on a sustainable basis. In this study, an evaluation of the status of the existing fish stock is undertaken, and an analytical model for identifying efficient levels of exploitation of the fishery is developed. Primary data are used to describe the current costs of fishing effort. Secondary data, combined with results of analysis of primary data, are then used to derive a supply function for the fishery. Different types of fishing gear are...
Tipo: Working or Discussion Paper Palavras-chave: Smallholder fisheries; Bioeconomic analysis; Inland fisheries; Indonesia; Sumatra; Resource /Energy Economics and Policy.
Ano: 2001 URL: http://purl.umn.edu/12932
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Nepenthes flava, a new species of Nepenthaceae from the northern part of Sumatra Naturalis
Wistuba, A.; Nerz, J.; Fleischmann, A..
Nepenthes flava Wistuba, Nerz & A. Fleischm. is described as a new species from northern Sumatra. It is described and illustrated, including a comparison with the supposed relatives N. inermis Danser, N. ovata Nerz & Wistuba and N. jacquelineae C. Clarke, Troy Davis & Tamin.
Tipo: Article / Letter to the editor Palavras-chave: Nepenthes; Sumatra; Carnivorous plants.
Ano: 2007 URL: http://www.repository.naturalis.nl/record/524754
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New sawflies (Hymenoptera: Symphyta, Tenthredinidae) from Indonesia, Papua New Guinea, Malaysia and Vietnam, with keys to genera and species Naturalis
Haris, A..
In total 32 new species of Tenthredinidae are described from Vietnam and 18 new species from Indonesia: Nesoselandria albotonkinensis spec. nov., N. albeotegularissima spec. nov., N. devriesiana spec. nov., Anapeptamena achterbergiana spec. nov., Neostromboceros nigrogiganteus spec. nov., N. gracilioides spec. nov., N. alboclypeatus spec. nov., N. daoensis spec. nov., N. phuongensis spec. nov., Abusarbidea bicoloristigmata spec. nov., Eusunoxa alboapicalis spec. nov., Neopoppia tonkinometallica spec. nov., Abeleses vietnamensis spec. nov., A. metallotonkinensis spec. nov., Heptamelus tonkinensis spec. nov., Athlophorus devriesi spec. nov., Rhopographus vietnamensis spec. nov., Xenapatidea hematothoracica spec. nov., X. devriesi spec. nov., Allantidea...
Tipo: Article / Letter to the editor Palavras-chave: Hymenoptera; Symphyta; Tenthredinidae; Vietnam; Indonesia; Malaysia; Java; Sumatra; Borneo; Celebes; Papua New Guinea; New species; 42.75.
Ano: 2006 URL: http://www.repository.naturalis.nl/record/209647
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Notes on Aeschynanthus (Gesneriaceae) of Sumatra, Indonesia Naturalis
Tjitrosoedirdjo, Sri S.; Zakaria, R.; Nurainas.
An inventory of Gesneriaceae in Sumatra based on herbarium specimens and field trips resulted in 17 genera. The genus Cyrtandra was the most diverse genus, followed by Aeschynanthus. Here we enumerate the species of Aeschynanthus in Sumatra. Distribution and altitudinal notes on 17 species of Aeschynanthus were made and the late Mary Mendum of the Royal Botanic Garden Edinburgh added four more species. The only endemic species of Aeschynanthus in Sumatra is A. chrysanthus; two other species, A. albidus and A. wallichii, are widely distributed in Sumatra and the rest of Malesia.
Tipo: Article / Letter to the editor Palavras-chave: Aeschynanthus; Gesneriaceae; Sumatra.
Ano: 2009 URL: http://www.repository.naturalis.nl/record/525835
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Parnassia (Parnassiaceae) in North Sumatra Naturalis
Turner, H.; Veldkamp, J.F..
The Parnassia (Parnassiaceae) from Mt Leuser in N Sumatra, provisionally known as Parnassia aff. wightiana, is described as Parnassia procul.
Tipo: Article / Letter to the editor Palavras-chave: Parnassia; Parnassia crassifolia; Parnassia procul; Parnassia wightiana; Celastraceae; Parnassiaceae; Saxifragaceae; Malesia; Sumatra; Leuser.
Ano: 2001 URL: http://www.repository.naturalis.nl/record/525971
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Revision of the Euagathis species (Hymenoptera: Braconidae: Bassinae) from the Sunda Islands Naturalis
Simbolotti, G.; Achterberg, C. van.
The species of the genus Euagathis Szépligeti, 1900 (Braconidae: Bassinae (= Agathidinae)) from the Greater and Lesser Sunda Islands (including West Malaysia) are revised and keyed. The subfamily name Bassinae Nees, 1812, is used because it is senior to the commonly used subfamily name Agathidinae Nees, 1814. Twenty-two species are recognized, of which nine are new. The genus Holcotroticus Cameron, 1902, is synonymized with Euagathis Szepligeti, 1900, and Euagathis ruficollis (Cameron, 1902) is a new combination. The following species are synonymized: Euagathis pilosa Szépligeti, 1902, and E. creophora Cameron, 1905, with E. clathrata (Brullé, 1846); E. rufonigra Enderlein, 1920, with E. ruficollis (Cameron, 1902); Euagathis variabilis Enderlein, 1920,...
Tipo: Article / Letter to the editor Palavras-chave: Braconidae; Bassinae; Agathidinae; Disophrini; Euagathis; Key; Distribution; Indo-Aus- tralian; Oriental; Indonesia; Sunda Islands; Java; Bali; Kangean Islands; Sumbawa; Sumba; Sumatra; Borneo; Kalimantan; Brunei; Malaysia; Sabah; Sarawak.; 42.75.
Ano: 1994 URL: http://www.repository.naturalis.nl/record/317722
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Revision on the genus Phyllagathis (Melastomataceae: Sonerileae). I. The species in Burma, Thailand, Peninsular Malaysia and Sumatra Naturalis
Cellinese, Nicoletta.
A revision of the genus Phyllagathis Blume is presented under a wider generic concept than used by earlier authors. A comprehensive synopsis of the genus is provided in the general part, where morphological characters and their variations are discussed. This paper will focus in particular on the species occurring in Burma, Thailand, Peninsular Malaysia (West Malaysia), and Sumatra. Here, the genus includes 10 species, most of which are endemic to Peninsular Malaysia, with only two species endemic to Thailand (P. siamensis and P. tuberosa), and two other also occurring outside the Malaysian political boundaries (P. rotundifolia and P. hispida). Part II of this paper will treat the species of Borneo and Natuna Island.
Tipo: Article / Letter to the editor Palavras-chave: Phyllagathis; Sonerileae; Burma; Peninsular Malaysia; Sumatra; Thailand; Taxonomy.
Ano: 2002 URL: http://www.repository.naturalis.nl/record/526048
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Seven new Malesian species of Ficus (Moraceae) Naturalis
Berg, C.C..
Descriptions of seven new species, Ficus buntaensis, F. flavistipulata, F. jambiensis, F. porata, F. samarana, F. sorongensis and F. temburongensis are presented and the related species briefly discussed.
Tipo: Article / Letter to the editor Palavras-chave: Borneo; Ficus; New Guinea; New species; Philippines; Sulawesi; Sumatra.
Ano: 2012 URL: http://www.repository.naturalis.nl/record/525358
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Structural evolution and strike-slip tectonics off north-western Sumatra ArchiMer
Berglar, Kai; Gaedicke, Christoph; Franke, Dieter; Ladage, Stefan; Klingelhoefer, Frauke; Djajadihardja, Yusuf S..
Based on new multi-channel seismic data, swath bathymetry, and sediment echosounder data we present a model for the interaction between strike-slip faulting and forearc basin evolution off north-western Sumatra between 2 degrees N and 7 degrees N. We examined seismic sequences and sea floor morphology of the Simeulue- and Aceh forearc basins and the adjacent outer arc high. We found that strike-slip faulting has controlled the forearc basin evolution since the Late Miocene. The Mentawai Fault Zone extends up to the north of Simeulue Island and was most probably connected farther northwards to the Sumatran Fault Zone until the end of the Miocene. Since then, this northern branch jumped westwards, initiating the West Andaman Fault in the Aceh area. The...
Tipo: Text Palavras-chave: Oblique subduction; Strike slip; Forearc basin; Sumatra; Mentawai Fault Zone; West Andaman Fault.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00000/11149/7818.pdf
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Systematic notes on Asian birds. 40. The authorship of the new bird names proposed in the ‘Memoir of the Life of Raffles’ by his widow, Lady Sophia Raffles (1830) Naturalis
Bruce, M.D..
When Lady Sophia Raffles published her biography of her late husband, Sir Thomas Stamford Raffles, in 1830, she included a catalogue of zoological specimens based on the collections brought back by Raffles from Java and Sumatra. However, the catalogue was included without indication of its authorship. In the case of the birds, it has been attributed to either Vigors alone or Vigors & Horsfield. For about a century names were credited to Vigors alone but this was changed to Vigors & Horsfield. Here reasons are given to revert to Vigors alone. Nine new names were introduced in the catalogue; four are in current use.
Tipo: Article / Letter to the editor Palavras-chave: Raffles; Vigors; Horsfield; Sumatra; 42.83.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/220224
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Taxonomic revision of Geesinkorchis (Coelogyninae; Epidendroideae; Orchidaceae) Naturalis
Hsu, Shih-Chung; Gravendeel, B.; Vogel, E.F. de.
An updated taxonomic description of the orchid genus Geesinkorchis and a new identification key are given in addition to a distribution map, photographs and analytical drawings. Two new species (G. quadricarinata and G. breviunguiculata) are described from Borneo and Sumatra, respectively.
Tipo: Article / Letter to the editor Palavras-chave: Coelogyninae; Geesinkorchis; Orchidaceae; Borneo; Sumatra; Taxonomy.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/526132
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The genus Gynochthodes (Rubiaceae) in Sumatra Naturalis
Suratman.
A study of Gynochthodes from Sumatra is presented. Eight species can be recognized, i.e., G. coriacea, G. jackiana, G. lanuginosa, G. leparensis, G. rigida, G. sublanceolata, G. suratmanii, and G. umbellata. An identification key to the species is provided and detailed descriptions, synonymy, taxonomic notes, and an index to specimen collections of the taxa are given. Natural history notes, including distribution and ecology, vernacular names and uses are also included.
Tipo: Article / Letter to the editor Palavras-chave: Gynochthodes; Rubiaceae; Sumatra; Taxonomy.
Ano: 2018 URL: http://www.repository.naturalis.nl/record/644416
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The Role of Fire in Changing Land Use and Livelihoods in Riau-Sumatra Ecology and Society
Suyanto, S.; World Agroforestry (ICRAF); suyanto@cgiar.org; Applegate, Grahame; ; grahame_applegate@urscorp.com; Permana, Rizki Pandu; ; R_pandupermana@yahoo.com; Khususiyah, Noviana; ; Nkhususiyah@cgiar.org; Kurniawan, Iwan; ; i.kurniawan@cgiar.org.
Results from remote sensing analysis, participatory mapping, socio-economic interviews, and hotspot information that were analyzed in a geographic information system (GIS) show how fire has changed the landscape through its use in land preparation for oil palm and timber plantations and in the development of transmigration settlements. These timber and oil palm plantations have greatly altered the livelihood options of the communities, and have created conflict between communities and companies over land-use allocation and tenure. In many cases, conflict over tenure has been the motive for forest and land fires during the annual dry season. The study suggests that, where partnerships between communities and companies were established to develop oil palm...
Tipo: Peer-Reviewed Reports Palavras-chave: Forest fire; Indonesia; Land fire; Oil palm plantation; Partnership; Sumatra; Tenure conflict; Timber plantation.
Ano: 2004
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Three new Malesian species of Mallotus section Hancea (Euphorbiaceae) Naturalis
Slik, J.W.F..
Of the family Euphorbiaceae three new species of Mallotus Lour. [section Hancea (Seem.) Pax & K. Hoffm.] from Malesia are described and illustrated. Mallotus cordatifolius and M. wenzelianus from the Philippines, and M. grandistipularis from Central Sumatra, Indonesia.
Tipo: Article / Letter to the editor Palavras-chave: Euphorbiaceae; Mallotus; Hancea; Malesia; Philippines; Sumatra.
Ano: 1998 URL: http://www.repository.naturalis.nl/record/526076
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Two new species of Morinda (Rubiaceae) from Sumatra and Borneo Naturalis
Suratman.
Two new species of Morinda from Sumatra and Borneo, M. lanuginosa and M. wongiana, are described and illustrated. The morphological comparison of the new taxa with similar species in the genus is also discussed.
Tipo: Article / Letter to the editor Palavras-chave: Borneo; Morinda; New species; Rubiaceae; Sumatra.
Ano: 2011 URL: http://www.repository.naturalis.nl/record/525480
Registros recuperados: 19
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