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Survey and case studies information in South Asia
<p>Supplementary information from South Asia component of the CLACSO IDRC Research Assessment Project. </p>
Supplemental Datafiles for the manuscript "Crustal structure of northern Borneo from VDSS: Implications for subduction termination and the tectonic reconstruction of SE Asia"
<p>Processed waveform data (windowed/filtered) from the seismic stations for the Virtual Deep Seismic Sounding (VDSS) study in northern Borneo.</p>
Distribution. Widely distributed in South-east Asia (Myanmar, Laos, Thailand, Cambodia, S Vietnam, and Peninsular Malaysia, including offshore islands). Distribution boundary between this species and the Large White-toothed Shrew (C. dracula), especially in Myanmar or whether their distributions overlapped, is not clear. in Soricidae
Distribution. Widely distributed in South-east Asia (Myanmar, Laos, Thailand, Cambodia, S Vietnam, and Peninsular Malaysia, including offshore islands). Distribution boundary between this species and the Large White-toothed Shrew (C. dracula), especially in Myanmar or whether their distributions overlapped, is not clear.
Subspecies and Distribution. S.e.etruscusSavi,1822—EuropeandCaucasus;thissubspeciesprobablyalsoinTurkey(scatteredrecordsinW,N&SC). S.e.bactrianusStroganov,1958—Tajikistan. S.e.madagascariensisCoquerel,1848—Madagascar. S.e.micronyxBlyth,1855—Himalayas. S.e.nanulaStroganov,1941—Uzbekistan. S.e.nudipesBlyth,1855—NEIndia. S. e. perrottetti Duvernoy, 1842 — S India. Also known from Tenerife I, many Mediterranean Is, North Africa, Arabia, Socotra I, and Central and South-east Asia, but subspecies involved not known. in Soricidae
Subspecies and Distribution. S.e.etruscusSavi,1822—EuropeandCaucasus;thissubspeciesprobablyalsoinTurkey(scatteredrecordsinW,N&SC). S.e.bactrianusStroganov,1958—Tajikistan. S.e.madagascariensisCoquerel,1848—Madagascar. S.e.micronyxBlyth,1855—Himalayas. S.e.nanulaStroganov,1941—Uzbekistan. S.e.nudipesBlyth,1855—NEIndia. S. e. perrottetti Duvernoy, 1842 — S India. Also known from Tenerife I, many Mediterranean Is, North Africa, Arabia, Socotra I, and Central and South-east Asia, but subspecies involved not known.
Distribution. Mainland South-east Asia in S Laos (N limit is 16° 23' N), SC Vietnam (N limit is 14° 30' N), and E Cambodia (Ratanakiri and Mondulkiri provinces); most likely the W limitis the Mekong River, but further studies are needed to confirm this. Records in Vietnam N to 16° 37° N are questionable. in Cercopithecidae
Distribution. Mainland South-east Asia in S Laos (N limit is 16° 23' N), SC Vietnam (N limit is 14° 30' N), and E Cambodia (Ratanakiri and Mondulkiri provinces); most likely the W limitis the Mekong River, but further studies are needed to confirm this. Records in Vietnam N to 16° 37° N are questionable.
Distribution. Mainland South-east Asia in S Myanmar, S Thailand, S Laos, Cambodia (W of Mekong River), and the S tip of Vietnam. Range limit of this species to the E might be the Mekong River. in Cercopithecidae
Distribution. Mainland South-east Asia in S Myanmar, S Thailand, S Laos, Cambodia (W of Mekong River), and the S tip of Vietnam. Range limit of this species to the E might be the Mekong River.
Distribution. Most of India, Nepal, Bang- ladesh, SC & SE China (Sichuan, Yunnan, Guizhou, Guangdong, and Fujian) and mainland SE Asia (Myanmar, Thailand, Laos, Vietnam, and Cambodia), also on Cat Ba I off the coast of N Vietnam. Popu- lation of Taiwan has uncertain origins. Introduced into Kedah and Perlis regions of Malay Peninsula as well as Java. in Muridae
Distribution. Most of India, Nepal, Bang- ladesh, SC & SE China (Sichuan, Yunnan, Guizhou, Guangdong, and Fujian) and mainland SE Asia (Myanmar, Thailand, Laos, Vietnam, and Cambodia), also on Cat Ba I off the coast of N Vietnam. Popu- lation of Taiwan has uncertain origins. Introduced into Kedah and Perlis regions of Malay Peninsula as well as Java.
Deccan region, Madras, India. Genus Vandeleuria is masculine, so widely used specific name oleracea has been changed for gender agreement. Vandeleuria oleraceusis possibly a composite of species. Polytypic, but subspecific taxonomy requires reassessment. Distribution. Widespread in S Asia (India, Nepal, Bhutan, Bangladesh, and Sri Lan-ka), S China (W & S Yunnan), and mainland SE Asia N of the Isthmus of Kra. Descriptive notes. Head-body 68 mm, tail 105 mm, ear 13 mm, hindfoot 17 mm; weight 10 g. The Indomalayan Long-tailed Climbing Mouse is small, with flat nail on outer finger and outertoe; tail is slender, brown, twice as long as head-body length, and lacks distal tuft. Dorsal pelageis silky and salmon in color; venter is white, with fulvous hues. Habitat. Tall cane and tangled vines in primary and secondary forest such as bamboo forest, moist deciduous forest, temperate forests, montane wet zone, and disturbed secondary forests, and perhaps agricultural areas at elevations of 150-1500 m. Food and Feeding. Indomalayan [Long-tailed Climbing Mice eat fruits, buds, and flowers. Breeding. Litters of the Indomalayan Long-tailed Climbing Mouse have 3-6 young. Activity patterns. Indomalayan Long-tailed Climbing Mice are arboreal and nocturnal, although one individual was caught duringthe day. Movements, Home range and Social organization. Indomalayan Long-tailed Climbing Mice build nests in tall bushes or cane to rear their young. Status and Conservation. Classified as Least Concern on The IUCN Red Last (as V. olacea). The Indomalayan Long-tailed Climbing Mouse occurs in several habitats and a wide distribution that includes national parks. Further taxonomical studies are required to assess conservation status ofthis potentially diverse species complex. Bibliography. Corbet & Hill (1992), Dang Huy Huynh et al. (1994), Ellerman (1941), Marshall (1977b), Musser & Carleton (2005), Osgood (1932), Phillips (1980), Wang Yingxiang (2003). in Muridae
Deccan region, Madras, India. Genus Vandeleuria is masculine, so widely used specific name oleracea has been changed for gender agreement. Vandeleuria oleraceusis possibly a composite of species. Polytypic, but subspecific taxonomy requires reassessment. Distribution. Widespread in S Asia (India, Nepal, Bhutan, Bangladesh, and Sri Lan-ka), S China (W & S Yunnan), and mainland SE Asia N of the Isthmus of Kra. Descriptive notes. Head-body 68 mm, tail 105 mm, ear 13 mm, hindfoot 17 mm; weight 10 g. The Indomalayan Long-tailed Climbing Mouse is small, with flat nail on outer finger and outertoe; tail is slender, brown, twice as long as head-body length, and lacks distal tuft. Dorsal pelageis silky and salmon in color; venter is white, with fulvous hues. Habitat. Tall cane and tangled vines in primary and secondary forest such as bamboo forest, moist deciduous forest, temperate forests, montane wet zone, and disturbed secondary forests, and perhaps agricultural areas at elevations of 150-1500 m. Food and Feeding. Indomalayan [Long-tailed Climbing Mice eat fruits, buds, and flowers. Breeding. Litters of the Indomalayan Long-tailed Climbing Mouse have 3-6 young. Activity patterns. Indomalayan Long-tailed Climbing Mice are arboreal and nocturnal, although one individual was caught duringthe day. Movements, Home range and Social organization. Indomalayan Long-tailed Climbing Mice build nests in tall bushes or cane to rear their young. Status and Conservation. Classified as Least Concern on The IUCN Red Last (as V. olacea). The Indomalayan Long-tailed Climbing Mouse occurs in several habitats and a wide distribution that includes national parks. Further taxonomical studies are required to assess conservation status ofthis potentially diverse species complex. Bibliography. Corbet & Hill (1992), Dang Huy Huynh et al. (1994), Ellerman (1941), Marshall (1977b), Musser & Carleton (2005), Osgood (1932), Phillips (1980), Wang Yingxiang (2003).
Data from: Effects of climate and topography on the diversity anomaly of plants disjunctly distributed in eastern Asia and eastern North America
<p><b>Aim: </b>Differences in physiography have been proposed to explain the diversity anomaly for vascular plants between environmentally similar regions of eastern Asia (EAS) and eastern North America (ENA). Here, we use plant species within disjunct genera to examine whether differences in topography contribute to the diversity anomaly and whether the richness–environment relationships differ between regions. Disjuncts are used to ensure that the diversity anomaly relates to post-disjunction evolution and diversification rather than regional differences in clade ages or immigration.</p> <p><b>Location: </b>EAS and ENA.</p> <p><b>Time period:</b> Current.</p> <p><b>Major taxa studied:</b> Plant taxa disjunctly distributed in EAS and ENA.</p> <p><b>Method:</b> We compiled county-level plant distribution data, and calculated species richness and variables of topography and climate within unit grid cells. We compared estimated coefficients of region effects among models, where richness was fitted with or without topography and climate. Topography and climate were also used to separately model within-region spatial diversity patterns using spatial simultaneous autoregressive error models.</p> <p><b>Results: </b>The coefficients of region effects varied from -0.776 for the model only including region to -0.309 when topography was controlled for, but remained significant. Climate dominated the spatial diversity patterns in ENA. In contrast, the influence of climate (14.2%) on species richness was weaker than that of topography (18.3%) in warm EAS. Relations to elevation and temperature varied between regions, shifting between positive and negative relationships in several cases.</p> <p><b>Main conclusion:</b> Our results demonstrate that variability in local topography contributes to the strong regional anomaly in plant species richness between EAS and ENA. Nevertheless, the diversity anomaly persists after controlling for local topography and climate. EAS and ENA also exhibit contrasting richness–environment relationships, providing another divergent aspect between the EAS-ENA disjunct floras. Our findings highlight that regional differences in topography or other environmental factors may underlie the diversity anomaly.</p>
Data from: Temporal and spatial comparisons of angiosperm diversity between eastern Asia and North America
<p>Eastern Asia (EA) and North America north of Mexico (NA) have comparable latitude, land area, and climate, but the overall plant diversity is much higher in EA than in NA. Despite intensive studies on disjunct taxa of the two regions, the temporal and spatial diversity patterns between the two floras remain unclear. Here we explore the floristic differences between EA and NA using the well-studied floras of China and the United States of America (USA) as exemplars, while also employing a newly generated dated phylogeny covering ~90% of the angiosperm genera of the two countries and comprehensive spatial distribution data. We find that China possesses both higher richness and phylogenetic diversity (PD) for angiosperm genera than the USA. Notably, most lineages contribute to the PD anomaly between the two floras, with 46 of 58 lineages having higher PD in China. Temporally, China has a higher proportion of genera that originated before the Miocene than are found in the USA (29.9% vs 23.2%). The eastern USA has more genera that originated during the Paleogene than does the western USA, but the reverse pattern is observed after the middle Miocene, with more genera originating in the west. Spatially, China shows a more distinct east-west deviation in diversity than the USA with eastern China possessing much higher generic richness and PD and more ancient lineages than western China. However, the eastern USA possesses lower generic richness, but higher PD and more ancient lineages than the western USA. Both the floras in China and the USA share a signature of an older east and a younger west, and this pattern may be largely driven by regional orogenic activities and climatic changes in the west of the two regions. Finally, our study indicates that more efforts are needed to enhance biodiversity conservation in southern China and the eastern USA by identifying and protecting phylogenetic diversity hotspots.</p>
Figure 12 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 12. Guard papillae of Vignadula (A–D) and Xenostrobus (E–G) species on the posterior region of the inner mantle margin attached to LV. All animals shown preserved in ethanol. A, Vignadula atrata, SL = 11.4 mm, Toishi-ko, Nagasaki, Japan. B, Vignadula mangle comb. nov., SL = 13.5 mm, Kampong Bako, Kuching, Sarawak. C, Vignadula kuraburiensis sp. nov., SL = 13.2 mm, Kuraburi, Phangnga, Thailand. D, V. kuraburiensis sp. nov., SL = 8.8 mm, Ban Baen, Ranong, Thailand. E, Xenostrobus inconstans, SL = 22.7 mm, Dunnalley Bay, Tasmania, Australia (TMAG E21829). F, Xenostrobus securis, SL = 24.8 mm, Swan River, Perth, WA, Australia. G, Xenostrobus pulex, SL = 13.1 mm, Cottesloe, Perth, WA, Australia. Scale bars: 1 mm in A–C, E–G; 500 µm in D.
Figure 14 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 14. Type material of species that are more aligned to Limnoperna than to Xenostrobus or Vignadula. A, B, holotype of Modiolus sambasensis Dautzenberg, 1904 from Sambas River, Kalimantan, north-west Borneo (IRSN); SL = 16.2 mm. C–H, syntypes of Modiolus taprobanensis Preston, 1915 from Ceylon (Sri Lanka) (BMNH). C, D, SL = 17.5 mm. E, F, SL = 18.6 mm. G, H, SL = 18.5 mm. Abbreviations: cam, ctenidial attachment muscle scar; pam, posterior adductor muscle; pbr1, first posterior byssal retractor muscle; pbr2, second posterior byssal retractor muscle.
Figure 13 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 13. Geographical distribution of Vignadula and Xenostrobus species in East Asia, Australia and New Zealand. Locations are based on examined museum material or material collected in the field for this study by the authors, and supplemented by information contained in papers by Colgan (2017: Xenostrobus securis); Colgan et al. (2020: Xenostrobus neozelanicus and X. securis); Horikoshi & Okamoto (2007: X. securis); Iwasaki (2013: X. securis); Iwasaki & Yamamoto (2014: X. securis); Kimura (1996: Vignadula atrata); Kimura et al. (1999: X. securis [?], as Xenostrobus sp.); Lee & Morton (1985: Vignadula mangle comb. nov., as Xenostrobus atratus); Lamarck (1819: X. securis [?], as Mytilus securis; MNHN-IM-2000-34894, three syntypes); Lutaenko et al. (2019: V. atrata); Morton (1999: Xenostrobus pulex); Morton (2004: Xenostrobus inconstans); Morton & Leung (2015: X. securis); Park et al. (2017: V. atrata); Wang et al. (2011: V. atrata); Wilson (1967: Xenostrobus spp.).
Figure 11 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 11. Relationship between shell size and number of folds observed on the labial palps of four Vignadula species from East and Southeast Asia. Data from Ockelmann (1983) for Vignadula atrata, Vignadula balani and Vignadula mangle are indicated separately. Apart from data points based on the study by Ockelmann (1983) and three individuals of Vignadula kuraburiensis sp. nov., all are referable to genetically sequenced individuals based on this study.
Figure 10 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 10. Vignadula mangle (Ockelmann, 1983) comb. nov. A, numerous individuals amongst barnacles (Amphibalanus amphitrite (Darwin, 1854)) on an intertidal rocky shore at Teluk Senangin, Perak, Malaysia. Scale bar: 1 cm. B, intact living individual seen from its left, with extended inhalant (inner mantle lobes bearing simple guard papillae, gp) and exhalant (es) siphons. Scale bar: 1 mm. C, surface of posterior half of left valve (SL = 8.0 mm; specimen collected from Sembawang, Singapore) with 'special byssus secretions' (sbs), or commarginal series of thickenings or blunt serrations, sensu Ockelmann (1983). Scale bar: 500 µm. D, outer plicate gland, after removal of ctenidium. Scale bar: 1 mm. E–G, detail of the posterior region of living individuals, showing simple and branched (yellow asterisks) guard papillae. Both types of papillae can occur in the same individual, as shown in E and F. Blue and green arrows depict the direction of inhalant and exhalant currents. Scale bars: 1 mm. D, Hat Yao jetty, Trang, Gulf of Thailand. E, Teluk Batik, Lumut, Perak. B, F, G, Bangsaen Beach, Chonburi, Gulf of Thailand.
Figure 9 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 9. Type material of Vignadula mangle comb. nov. and Vignadula balani. A–D, Xenostrobus mangle Ockelmann, 1983 paratypes NHMD 916051 Jeram, Selangor, peninsular Malaysia. A, B, SL = 8.2 mm. C, D, SL = 11.0 mm. E–H, Xenostrobus balani Ockelmann, 1983 paratypes NHMD 915909 Phuket, Thailand. E, F, SL = 6.4 mm. G, LV, SL = 7.2 mm. H, LV, SL = 8.5 mm.
Figure 7 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 7. Vignadula kuraburiensis sp. nov. Sequenced specimens from western Thailand: A–H, Ban Thung La Ong in Kuraburi District, Phang-nga Province; I, J, Bang Ben Bay, Laem Son National Park, Kapoe District, Ranong Province. A, B, XTSW1; LV, SL = 12.8 mm (holotype, PMBC 25290). C, D, XTSW2; LV, SL = 13.2 mm (paratype, PMBC 25291). E, F, XTSW3; LV, SL = 12.3 mm (paratype ZRC.MOL.24068). G, H, XTSW4; RV (anterior half of ventral edge partially broken), SL = 11.5 mm (ZRC.MOL.24069). I, J, XTSW5; LV, SL = 9.0 mm (ZRC.MOL.24070). See also Clade B in Figures 1–3.
Figure 8 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 8. Vignadula atrata (Lischke, 1871). A, posterior region of living juvenile with extended mantle margins (imm) devoid of guard papillae. Blue and green arrows depict the direction of inhalant and exhalant currents. Scale bar: 500 µm. B, posterior region of ethanol-preserved sequenced individual XNJ 0519B, with left valve removed to show posterior end of ctenidium (ct), mixture of simple (marked by yellow crosses) and branched (yellow asterisks) guard papillae (gp) along the inner mantle margin (imm) and posterior adductor muscle (pam). Scale bar: 1 mm. C, living individual with numerous simple and branched guard papillae. Scale bar: ~500 µm. D, living individual with mostly simple guard papillae. Note the well-formed exhalant siphon. Scale bar: ~1 mm. A, Kagoshima, Japan. B–D, Nagasaki, Japan.
Figure 6 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 6. Vignadula mangle (Ockelmann, 1983) comb. nov. Selected sequenced specimens from Malaysia (A, B), Thailand (C–H) and Taiwan (I–L). A, B, XA MYPK 0419C, Lumut, Perak (Malacca Strait); RV, SL = 6.2 mm (ZRC.MOL.24041). C, D, XBT3, Pak Meng, Trang Province, Thailand (Andaman Sea); LV, SL = 11.9 mm (ZRC.MOL.24067). E, F, XTE6, Hua Hin, Prachuap Khiri Khan Province (Gulf of Thailand); LV, SL = 10.1 mm (ZRC.MOL.24004). G, H, XM TBB 0719C, Bangsaen Beach, Chonburi Province (Gulf of Thailand); LV, SL = 9.7 mm (ZRC.MOL.24007). I, J, XTW1, Kinmen, Taiwan; LV, SL = 9.2 mm (ZRC.MOL.24033). K, L, XTW6, Kinmen, Taiwan; LV, SL = 9.5 mm (ZRC.MOL.24038). See also Clade D in Figures 1–3.
Figure 5 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia
Figure 5. Vignadula mangle (Ockelmann, 1983) comb. nov. Selected sequenced specimens from Indonesia (A, B), Malaysia (C, D, I–L) and Singapore (E–H). A, B, X4I, Surabaya, E. Java; LV, SL = 9.9 mm (ZRC.MOL.24045). C, D, XA MYKS 1219A, Kampong Bako, Sarawak (Borneo); LV, SL = 12.8 mm (ZRC.MOL.24021). E, F, X8, Punggol Point; LV, SL = 10.1 mm (ZRC. MOL.24054). G, H, MX2, Sembawang Park; LV, SL = 14.8 mm (ZRC.MOL.24046). I, J, XAJ 12, Sungei Punggur, Johor (Malacca Strait); LV, SL = 6.8 mm (ZRC.MOL.24015). K, L, XMJ 3, Sungei Punggur, Johor (Malacca Strait); LV, SL = 10.9 mm (ZRC.MOL.24019). See also Clade D in Figures 1–3.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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