11 results on '"Peng Bun Ngor"'
Search Results
2. Annotated checklist of freshwater molluscs from the largest freshwater lake in Southeast Asia
- Author
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Ting Hui Ng, Ekgachai Jeratthitikul, Chirasak Sutcharit, Samol Chhuoy, Kakada Pin, Arthit Pholyotha, Warut Siriwut, Ruttapon Srisonchai, Zeb S. Hogan, and Peng Bun Ngor
- Subjects
Zoology ,QL1-991 - Abstract
The Tonle Sap Lake in Cambodia is a crucial freshwater biodiversity hotspot and supports one of the world’s largest inland fisheries. Within the Tonle Sap basin, freshwater molluscs provide vital ecosystem services and are among the fauna targetted for commercial harvesting. Despite their importance, freshwater molluscs of the Tonle Sap basin remain poorly studied. The historical literature was reviewed and at least 153 species of freshwater molluscs have been previously recorded from throughout Cambodia, including 33 from the Tonle Sap basin. Surveys of the Tonle Sap Lake and surrounding watershed were also conducted and found 31 species, 15 bivalves (five families) and 16 gastropods (eight families), in the Tonle Sap basin, including three new records for Cambodia (Scaphula minuta, Novaculina siamensis, Wattebledia siamensis), the presence of globally invasive Pomacea maculata and potential pest species like Limnoperna fortunei. This study represents the most comprehensive documentation of freshwater molluscs of the Tonle Sap basin, and voucher specimens deposited at the Inland Fisheries Research and Development Institute, Cambodia, represent the first known reference collection of freshwater molluscs in the country. In order to combat the combined anthropogenic pressures, including invasive species, climate change and dams along the Mekong River, a multi-pronged approach is urgently required to study the biodiversity, ecology, ecosystem functioning of freshwater molluscs and other aquatic fauna in the Tonle Sap basin.
- Published
- 2020
- Full Text
- View/download PDF
3. Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda)
- Author
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Chirasak Sutcharit, Phanara Thach, Samol Chhuoy, Peng Bun Ngor, Ekgachai Jeratthitikul, Warut Siriwut, Ruttapon Srisonchai, Ting Hui Ng, Arthit Pholyotha, Parin Jirapatrasilp, and Somsak Panha
- Subjects
Zoology ,QL1-991 - Abstract
Prior to this study, few collections and records were made of the land snails in Cambodia and the historical taxa had never been reviewed. Herein a report on the land snail diversity based on specimens collected recently from karstic and non-karstic areas in southern Cambodia is provided. This checklist presents 36 species of land snails (two Neritimorpha, six Caenogastropoda, and 28 Heterobranchia). Illustrations and brief taxonomic notes/remarks are provided for every species. We also described Georrisa carinata Sutcharit & Jirapatrasilp, sp. nov. based on some distinct shell morphological characters. Since the first descriptions during the colonial period in the nineteenth century, some land snail species (e.g., Trichochloritis norodomiana, Durgella russeola, Anceyoconcha siamensis obesula comb. nov., Anceyoconcha chaudoensis comb. nov., and Succinea tenuis) have not been reported subsequently. This probably reflects a lack of knowledge concerning land snail biodiversity in this country. To our knowledge, this is the first comprehensive survey of land snails in southern Cambodia. A need for more field research and systematic revision of the land snails in this interesting region is also highlighted and demonstrated.
- Published
- 2020
- Full Text
- View/download PDF
4. Two new species of the millipede genus Plusioglyphiulus Silvestri, 1923 from Cambodia (Diplopoda, Spirostreptida)
- Author
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Natdanai Likhitrakarn, Sergei I. Golovatch, Phanara Thach, Samol Chhuoy, Peng Bun Ngor, Ruttapon Srisonchai, Chirasak Sutcharit, and Somsak Panha
- Subjects
Zoology ,QL1-991 - Abstract
Two new species of Plusioglyphiulus are described from southern Cambodia. Plusioglyphiulus biserratus sp. nov. is clearly distinguished from all congeners by the shape of the telopodites of the posterior gonopods which are distinctly serrate laterally and by the anterior gonopods showing only a pair of single, smooth and curved coxosternal processes. Plusioglyphiulus khmer sp. nov. is distinguished by having most crests on the collum being complete and male legs 1 showing long, prominent, one-segmented telopodites, coupled with the oblong-subtrapeziform, membranous, posterior gonopods with a small bifid process at about a third of the telopodite length. Notes on the variation of Plusioglyphiulus boutini Mauriès, 1970 are also given, including a colour photograph of fresh, live material. A key to all four species of Plusioglyphiulus currently known to occur in Cambodia is also presented.
- Published
- 2020
- Full Text
- View/download PDF
5. A new micropolydesmoid millipede of the genus Eutrichodesmus Silvestri, 1910 from Cambodia, with a key to species in mainland Southeast Asia (Diplopoda, Polydesmida, Haplodesmidae)
- Author
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Somsak Panha, Ekgachai Jeratthitikul, Natdanai Likhitrakarn, Warut Siriwut, Chirasak Sutcharit, Samol Chhuoy, Ruttapon Srisonchai, Phanara Thrach, and Peng Bun Ngor
- Subjects
Polydesmida ,Asia ,Species groups ,Arthropoda ,Nephrozoa ,Protostomia ,Karst ,Zoology ,Polydesmidea ,Haplodesmoidea ,Circumscriptional names of the taxon under ,Oniscodesmidae ,Southeast asia ,taxonomy ,Eutrichodesmus ,Diplopoda ,Systematics ,lcsh:Zoology ,Animalia ,Bilateria ,lcsh:QL1-991 ,Ecology, Evolution, Behavior and Systematics ,new species ,Peterjohnsiidae ,biology ,Cenozoic ,Myriapoda ,Stemmiulidae ,Millipede ,Cephalornis ,biology.organism_classification ,Southeast Asia ,Geography ,Habitat ,Notchia ,Ecdysozoa ,Animal Science and Zoology ,Mainland ,Taxonomy (biology) ,Chilognatha ,Haplodesmidae ,Merocheta ,Karst new species Southeast Asia taxonomy ,Research Article ,Coelenterata - Abstract
The micropolydesmoid millipede family Haplodesmidae is here recorded from Cambodia for the first time through the discovery of the first, new species of the genus Eutrichodesmus Silvestri, 1910: E. cambodiensissp. nov. This new species is described from two limestone habitats in Kampot Province, based on abundant material. It is easily distinguished from all related congeners by the following combination of characters: body greyish-brown; limbus roundly lobulate; solenomere partially divided from acropodite by a digitiform lobe, but without hairpad. Brief remarks on the previously-proposed “pecularis-group” are provided and a second group, the “demangei-group”, is established and discussed on the basis of morphological evidence, updating the number of recognised species groups of Eutrichodesmus to two. Detailed morphological illustrations, photographs and a distribution map, as well as remarks on its habitat and mating behaviour of the new species are presented. Furthermore, the current distributions of all 55 presently-known species of Eutrichodesmus are provided and a key to all 23 species that occur in mainland Southeast Asia is given.
- Published
- 2020
6. Annotated checklist of freshwater molluscs from the largest freshwater lake in Southeast Asia
- Author
-
Chirasak Sutcharit, Samol Chhuoy, Arthit Pholyotha, Ekgachai Jeratthitikul, Kakada Pin, Peng Bun Ngor, Ruttapon Srisonchai, Zeb S. Hogan, Warut Siriwut, and Ting Hui Ng
- Subjects
0106 biological sciences ,Nassariidae ,Unionidae ,Pharidae ,Fauna ,Gastropoda ,Biodiversity ,Planorbidae ,Bithyniidae ,alien species ,Tonle Sap Lake ,Arcida ,Architaenioglossa ,bivalves ,01 natural sciences ,Littorinimorpha ,Lymnaeidae ,Adapedonta ,lcsh:Zoology ,lcsh:QL1-991 ,Bulinidae ,Limnoperna fortunei ,Hygrophila ,Freshwater mollusc ,Pomatiopsidae ,biology ,Species Inventories ,Pachychilidae ,Mytilida ,Checklist ,Wattebledia siamensis ,Geography ,Cyrenidae ,alien species bivalves Cambodia diversity economic species Lower Mekong basin snails Tonle Sap Lake ,Arcidae ,Cambodia ,Pomacea maculata ,Asia ,snails ,010603 evolutionary biology ,diversity ,Thiaridae ,Biodiversity & Conservation ,Animalia ,Stenothyridae ,Ecosystem ,Unionoida ,Lower Mekong basin ,Ampullariidae ,Ecology, Evolution, Behavior and Systematics ,010604 marine biology & hydrobiology ,Venerida ,biology.organism_classification ,Biodiversity hotspot ,Bivalvia ,Fishery ,Mollusca ,Mytilidae ,Animal Science and Zoology ,Viviparidae ,Corbiculidae ,economic species ,Neogastropoda ,Unionida - Abstract
The Tonle Sap Lake in Cambodia is a crucial freshwater biodiversity hotspot and supports one of the world’s largest inland fisheries. Within the Tonle Sap basin, freshwater molluscs provide vital ecosystem services and are among the fauna targetted for commercial harvesting. Despite their importance, freshwater molluscs of the Tonle Sap basin remain poorly studied. The historical literature was reviewed and at least 153 species of freshwater molluscs have been previously recorded from throughout Cambodia, including 33 from the Tonle Sap basin. Surveys of the Tonle Sap Lake and surrounding watershed were also conducted and found 31 species, 15 bivalves (five families) and 16 gastropods (eight families), in the Tonle Sap basin, including three new records for Cambodia (Scaphula minuta, Novaculina siamensis, Wattebledia siamensis), the presence of globally invasive Pomacea maculata and potential pest species like Limnoperna fortunei. This study represents the most comprehensive documentation of freshwater molluscs of the Tonle Sap basin, and voucher specimens deposited at the Inland Fisheries Research and Development Institute, Cambodia, represent the first known reference collection of freshwater molluscs in the country. In order to combat the combined anthropogenic pressures, including invasive species, climate change and dams along the Mekong River, a multi-pronged approach is urgently required to study the biodiversity, ecology, ecosystem functioning of freshwater molluscs and other aquatic fauna in the Tonle Sap basin.
- Published
- 2020
7. Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda)
- Author
-
Ting Hui Ng, Somsak Panha, Peng Bun Ngor, Phanara Thach, Ekgachai Jeratthitikul, Warut Siriwut, Chirasak Sutcharit, Samol Chhuoy, Arthit Pholyotha, Parin Jirapatrasilp, and Ruttapon Srisonchai
- Subjects
0106 biological sciences ,Neritimorpha ,Asia ,Pupinidae ,Helicarionidae ,Fauna ,Gastropoda ,010607 zoology ,Biodiversity ,Cyclophoridae ,Succineidae ,Architaenioglossa ,Hydrocenidae ,010603 evolutionary biology ,01 natural sciences ,Trochomorphidae ,Camaenidae ,Systematics ,lcsh:Zoology ,Achatinidae ,Animalia ,Ariophantidae ,lcsh:QL1-991 ,Dyakiidae ,Heterobranchia ,Ecology, Evolution, Behavior and Systematics ,limestones ,Streptaxidae ,Caenogastropoda ,biology ,Ecology ,Cenozoic ,Land snail ,conservation ,Indochina ,biology.organism_classification ,Succinea ,Biodiversity conservation Indochina limestones systematics ,Cycloneritida ,Geography ,Stylommatophora ,Veronicellidae ,Gastrocoptidae ,Mollusca ,Animal Science and Zoology ,Systellommatophora ,Research Article - Abstract
Prior to this study, few collections and records were made of the land snails in Cambodia and the historical taxa had never been reviewed. Herein a report on the land snail diversity based on specimens collected recently from karstic and non-karstic areas in southern Cambodia is provided. This checklist presents 36 species of land snails (two Neritimorpha, six Caenogastropoda, and 28 Heterobranchia). Illustrations and brief taxonomic notes/remarks are provided for every species. We also describedGeorrisa carinataSutcharit & Jirapatrasilp,sp. nov.based on some distinct shell morphological characters. Since the first descriptions during the colonial period in the nineteenth century, some land snail species (e.g.,Trichochloritis norodomiana,Durgella russeola,Anceyoconcha siamensis obesulacomb. nov.,Anceyoconcha chaudoensiscomb. nov., andSuccinea tenuis) have not been reported subsequently. This probably reflects a lack of knowledge concerning land snail biodiversity in this country. To our knowledge, this is the first comprehensive survey of land snails in southern Cambodia. A need for more field research and systematic revision of the land snails in this interesting region is also highlighted and demonstrated.
- Published
- 2020
8. Two new species of the millipede genus Plusioglyphiulus Silvestri, 1923 from Cambodia (Diplopoda, Spirostreptida)
- Author
-
Chirasak Sutcharit, Samol Chhuoy, Sergei I. Golovatch, Peng Bun Ngor, Ruttapon Srisonchai, Somsak Panha, Phanara Thach, and Natdanai Likhitrakarn
- Subjects
0106 biological sciences ,Asia ,Arthropoda ,Nephrozoa ,010607 zoology ,Protostomia ,Zoology ,Circumscriptional names of the taxon under ,010603 evolutionary biology ,01 natural sciences ,Spirostreptida ,forest ,Diplopoda ,key ,Genus ,Systematics ,lcsh:Zoology ,cave ,Bilateria ,Animalia ,diplopod ,lcsh:QL1-991 ,Plusioglyphiulus ,Ecology, Evolution, Behavior and Systematics ,Peterjohnsiidae ,biology ,Myriapoda ,Cenozoic ,Stemmiulidae ,Millipede ,Cephalornis ,Diplocheta ,Indochina ,biology.organism_classification ,Cambaloidea ,Cambalopsidae ,Notchia ,Ecdysozoa ,Key (lock) ,Gonopod ,Animal Science and Zoology ,cave diplopod forest Indochina key ,Chilognatha ,Coelenterata ,Research Article - Abstract
Two new species of Plusioglyphiulus are described from southern Cambodia. Plusioglyphiulus biserratussp. nov. is clearly distinguished from all congeners by the shape of the telopodites of the posterior gonopods which are distinctly serrate laterally and by the anterior gonopods showing only a pair of single, smooth and curved coxosternal processes. Plusioglyphiulus khmer sp. nov. is distinguished by having most crests on the collum being complete and male legs 1 showing long, prominent, one-segmented telopodites, coupled with the oblong-subtrapeziform, membranous, posterior gonopods with a small bifid process at about a third of the telopodite length. Notes on the variation of Plusioglyphiulus boutini Mauriès, 1970 are also given, including a colour photograph of fresh, live material. A key to all four species of Plusioglyphiulus currently known to occur in Cambodia is also presented.
- Published
- 2020
9. A new micropolydesmoid millipede of the genus Eutrichodesmus Silvestri, 1910 from Cambodia, with a key to species in mainland Southeast Asia (Diplopoda, Polydesmida, Haplodesmidae).
- Author
-
Srisonchai, Ruttapon, Likhitrakarn, Natdanai, Sutcharit, Chirasak, Jeratthitikul, Ekgachai, Siriwut, Warut, Thrach, Phanara, Chhuoy, Samol, Peng Bun Ngor, and Panha, Somsak
- Subjects
MILLIPEDES ,CURRENT distribution ,SPECIES ,NUMBERS of species - Abstract
The micropolydesmoid millipede family Haplodesmidae is here recorded from Cambodia for the first time through the discovery of the first, new species of the genus Eutrichodesmus Silvestri, 1910: E. cambodiensis sp. nov. This new species is described from two limestone habitats in Kampot Province, based on abundant material. It is easily distinguished from all related congeners by the following combination of characters: body greyish-brown; limbus roundly lobulate; solenomere partially divided from acropodite by a digitiform lobe, but without hairpad. Brief remarks on the previously-proposed "pecularis-group" are provided and a second group, the "demangei-group", is established and discussed on the basis of morphological evidence, updating the number of recognised species groups of Eutrichodesmus to two. Detailed morphological illustrations, photographs and a distribution map, as well as remarks on its habitat and mating behaviour of the new species are presented. Furthermore, the current distributions of all 55 presently-known species of Eutrichodesmus are provided and a key to all 23 species that occur in mainland Southeast Asia is given. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
10. Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda).
- Author
-
Sutcharit, Chirasak, Thach, Phanara, Chhuoy, Samol, Peng Bun Ngor, Jeratthitikul, Ekgachai, Siriwut, Warut, Srisonchai, Ruttapon, Ting Hui Ng, Pholyotha, Arthit, Jirapatrasilp, Parin, and Panha, Somsak
- Subjects
GASTROPODA ,MOLLUSKS ,SNAILS ,ANIMALS ,SURVEYING (Engineering) ,NEOGASTROPODA - Abstract
Prior to this study, few collections and records were made of the land snails in Cambodia and the historical taxa had never been reviewed. Herein a report on the land snail diversity based on specimens collected recently from karstic and non-karstic areas in southern Cambodia is provided. This checklist presents 36 species of land snails (two Neritimorpha, six Caenogastropoda, and 28 Heterobranchia). Illustrations and brief taxonomic notes/remarks are provided for every species. We also described Georrisa carinata Sutcharit & Jirapatrasilp, sp. nov. based on some distinct shell morphological characters. Since the first descriptions during the colonial period in the nineteenth century, some land snail species (e.g., Trichochloritis norodomiana, Durgella russeola, Anceyoconcha siamensis obesula comb. nov., Anceyoconcha chaudoensis comb. nov., and Succinea tenuis) have not been reported subsequently. This probably reflects a lack of knowledge concerning land snail biodiversity in this country. To our knowledge, this is the first comprehensive survey of land snails in southern Cambodia. A need for more field research and systematic revision of the land snails in this interesting region is also highlighted and demonstrated. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
11. Two new species of the millipede genus Plusioglyphiulus Silvestri, 1923 from Cambodia (Diplopoda, Spirostreptida).
- Author
-
Likhitrakarn, Natdanai, Golovatch, Sergei I., Thach, Phanara, Chhuoy, Samol, Peng Bun Ngor, Srisonchai, Ruttapon, Sutcharit, Chirasak, and Panha, Somsak
- Subjects
MILLIPEDES ,SPECIES ,LEG ,PHOTOGRAPHS ,ANIMAL coloration ,INSECT anatomy - Abstract
Two new species of Plusioglyphiulus are described from southern Cambodia. Plusioglyphiulus biserratus sp. nov. is clearly distinguished from all congeners by the shape of the telopodites of the posterior gonopods which are distinctly serrate laterally and by the anterior gonopods showing only a pair of single, smooth and curved coxosternal processes. Plusioglyphiulus khmer sp. nov. is distinguished by having most crests on the collum being complete and male legs 1 showing long, prominent, one-segmented telopodites, coupled with the oblong-subtrapeziform, membranous, posterior gonopods with a small bifid process at about a third of the telopodite length. Notes on the variation of Plusioglyphiulus boutini Mauriès, 1970 are also given, including a colour photograph of fresh, live material. A key to all four species of Plusioglyphiulus currently known to occur in Cambodia is also presented. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
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