Males and ephippial females of Oriental Chydoridae (Cladocera: Anomopoda) from Cat Tien National Park, South Vietnam

Zootaxa ◽  
2021 ◽  
Vol 4941 (3) ◽  
pp. 381-398
Author(s):  
ARTEM Y. SINEV ◽  
IRINA I. SEMENYUK
Keyword(s):  
East Asia ◽  
Sexual Reproduction ◽  
National Park ◽  
Taxonomic Status ◽  
Water Bodies ◽  
South East Asia ◽  
South Vietnam ◽  
Cat Tien National Park ◽  
Daylight Period ◽  
Main Factor

Cladocera (Crustacea: Branchiopoda) of South-East Asia have been intensively investigated over the last decades, but males and ephippial females of many taxa remain unknown or poorly studied. Males and ephippial females of ten species of Chydoridae were collected by monthly sampling of eight water bodies during autumn-winter dry season in Сat Tien National Park, South Vietnam. Morphology of studied specimens is described and taxonomic status of studied species is discussed. Gamogenetic specimens were sparse in all studied taxa, contributing less than 8 % of the populations in samples. Gamogenetic specimens were found mostly during December–January, what suggests that daylight period is the main factor inducing a sexual reproduction in most studied species. 

What was the vegetation in northwest Australia during the Paleogene, 66–23million years ago?

2018 ◽  
Vol 66 (7) ◽  
pp. 556 ◽  
Author(s):  
Michael K. Macphail ◽  
Robert S. Hill
Keyword(s):  
East Asia ◽  
National Park ◽  
Pacific Islands ◽  
New Caledonia ◽  
New Guinea ◽  
First Record ◽  
South East Asia ◽  
North West ◽  
The North ◽  
Dry Conditions

Fossil pollen and spores preserved in drillcore from both the upper South Alligator River (SARV) in the Kakadu National Park, Northern Territory and the North-West Shelf, Western Australia provide the first record of plants and plant communities occupying the coast and adjacent hinterland in north-west Australia during the Paleogene 66 to 23million years ago. The palynologically-dominant woody taxon is Casuarinaceae, a family now comprising four genera of evergreen scleromorphic shrubs and trees native to Australia, New Guinea, South-east Asia and Pacific Islands. Rare taxa include genera now mostly restricted to temperate rainforest in New Guinea, New Caledonia, New Zealand, South-East Asia and/or Tasmania, e.g. Dacrydium, Phyllocladus and the Nothofagus subgenera Brassospora and Fuscospora. These appear to have existed in moist gorges on the Arnhem Land Plateau, Kakadu National Park. No evidence for Laurasian rainforest elements was found. The few taxa that have modern tropical affinities occur in Eocene or older sediments in Australia, e.g. Lygodium, Anacolosa, Elaeagnus, Malpighiaceae and Strasburgeriaceae. We conclude the wind-pollinated Oligocene to possibly Early Miocene vegetation in the upper SARV was Casuarinaceae sclerophyll forest or woodland growing under seasonally dry conditions and related to modern Allocasuarina/Casuarina formations. There are, however, strong floristic links to coastal communities growing under warm to hot, and seasonally to uniformly wet climates in north-west Australia during the Paleocene-Eocene.

Composition and structure algal сommunity of the Сát Tiên National Park, Southern Vietnam (first data)

2021 ◽  
pp. 78-85
Author(s):  
Elena M. Kezlya ◽  
Anton M. Glushchenko ◽  
Yevhen I. Maltsev ◽  
Svetlana Y. Maltseva ◽  
Evgeniy S. Gusev ◽  
...  
Keyword(s):  
Species Composition ◽  
Vertical Distribution ◽  
Forest Soils ◽  
National Park ◽  
Soil Horizons ◽  
Southern Vietnam ◽  
South Vietnam ◽  
Composition And Structure ◽  
Cat Tien National Park

The report presents the results of a study of algae in forest soils in the Cat Tien National Park (South Vietnam) using 7 model sites as an example. The species composition of algae and their vertical distribution in the soil horizons have been characterized.

scholarly journals The Vulnerable fishing cat Prionailurus viverrinus and other globally threatened species in Cambodia's coastal mangroves

Oryx ◽  
2017 ◽  
Vol 52 (4) ◽  
pp. 636-640 ◽  
Author(s):  
Ret Thaung ◽  
Vanessa Herranz Muñoz ◽  
Jeremy Holden ◽  
Daniel Willcox ◽  
Nicholas J. Souter
Keyword(s):  
East Asia ◽  
Threatened Species ◽  
National Park ◽  
Species Conservation ◽  
Camera Traps ◽  
Wildlife Trade ◽  
South East Asia ◽  
Wildlife Sanctuary ◽  
Illegal Hunting ◽  
Manis Javanica

AbstractThe Vulnerable fishing cat Prionailurus viverrinus faces a perilous future in South-east Asia. It was last sighted in Cambodia in 2003. We deployed 16 camera traps at four sites in southern Cambodia during January–May 2015 to determine if the fishing cat was still present in the country. Eight photograph/video captures of fishing cats were recorded from the mangroves in Peam Krasop Wildlife Sanctuary and one from Ream National Park, but there were no records from Botum Sakor National Park or Prey Nup. A number of other globally threatened species were also photographed in Peam Krasop Wildlife Sanctuary: the Sunda pangolin Manis javanica, the hog deer Axis porcinus and the large-spotted civet Viverra megaspila. We learnt of the killing of an alleged fishing cat at the Sanctuary in July 2015 in retaliation for raiding fishing nets. Illegal hunting and capture of fishing cats for the wildlife trade were reported by local informants at all sites. We provide photographic and video evidence of the fishing cats and highlight the importance of Cambodia's mangroves for threatened species conservation.

scholarly journals The new genus of stick insect Lobofemora from Vietnam, with the description of three new species (Phasmida: Phasmatidae: Clitumnini)

2015 ◽  
Author(s):  
Joachim Bresseel ◽  
Jérôme Constant
Keyword(s):  
New Species ◽  
National Park ◽  
New Genus ◽  
Biosphere Reserve ◽  
Stick Insect ◽  
South Vietnam ◽  
Central Vietnam ◽  
Three New Species ◽  
Definition Of ◽  
Cat Tien National Park

The new genus Lobofemora gen. nov. is described from Vietnam to accommodate three new species: L. bachmaensis sp. nov. (Bach Ma National Park, central Vietnam), L. bidoupensis sp. nov. (Bidoup-Nui Ba National Park, central Vietnam) and L. scheirei sp. nov., the type species (Cat Tien National Park and Dong Nai Biosphere Reserve, south Vietnam). It is provisionally placed in the tribe Clitumnini Brunner von Wattenwyl, 1893. The genus is the only known Clitumnini which shows tegmina and sometimes alae in the males. Females show conspicuous foliaceous lobes on the median femora. Males and females of all species and the eggs of L. scheirei sp. nov. and L. bidoupensis sp. nov. are described and illustrated. An identification key to the species and a distribution map are provided. The definition of the tribe Clitumnini sensu Hennemann & Conle (2008) is slightly adapted to include the new genus and the tribal placement is discussed. The male of L. scheirei sp. nov. is able to stridulate by rubbing the outer margins of the tegmina against the subcostal and radial veins of the alae.

Redescription of the rheophilous cladocera Camptocercus vietnamensis Than, 1980 (Cladocera: Anomopoda: Chydoridae)

Zootaxa ◽  
2011 ◽  
Vol 2934 (1) ◽  
pp. 53 ◽  
Author(s):  
ARTEM Y. SINEV
Keyword(s):  
National Park ◽  
South Vietnam ◽  
Cat Tien National Park ◽  
First Time

Little-known Vietnamese chydorid cladocera, Camptocercus vetnamensis Than, 1980 is redescribed on the material from Cat Tien national park, South Vietnam. Detailed morphology of limbs is described for the first time. In some features, C. vietnamensis is similar to C. uncinatus Smirnov, 1971, but can be easily differentiated from it by smaller size, morphology of postabdomen and labrum. C. vietnamensis is the only species of the genus Camptocercus strictly confined to the rheic conditions.

scholarly journals Conservation of turtles in Vietnam: a survey of Cat Tien National Park

Oryx ◽  
2007 ◽  
Vol 41 (4) ◽  
pp. 544-547 ◽  
Author(s):  
Minh Le
Keyword(s):  
Urban Areas ◽  
National Park ◽  
Natural Populations ◽  
South East Asia ◽  
Buffer Zones ◽  
Protection Measures ◽  
Surrounding Areas ◽  
Cat Tien National Park ◽  
Trade Control

AbstractTurtles in South-east Asia, especially in Vietnam, have been overexploited for more than a decade, largely because of international trade with and demand from China. This study examined natural populations in Cat Tien National Park and the local trade in surrounding areas to find ways of protecting remaining turtle populations more effectively. The results show that although trade around this protected area remains high, viable turtle populations still exist. However, these populations need immediate measures to protect them. Increased protection measures in such areas should have priority over trade control, given the complexity of the trade network and the lack of government resources to control it. Nevertheless, for long-term conservation goals additional measures such as trade control, environmental education in buffer zones, and raising people's awareness in urban areas, where wildlife consumption has increased, are also required.

scholarly journals Cladoceran diversity in Vinh Long province and redescription of the rare species Grimaldina brazzai richard, 1892 (Macrotricidae, Anomopoda, Branchiopoda) for zooplankton fauna Vietnam

2019 ◽  
Vol 41 (1) ◽  
Author(s):  
Le Thi Nguyet Nga ◽  
Dang Doan Phan
Keyword(s):  
Rare Species ◽  
National Park ◽  
Common Species ◽  
Rice Fields ◽  
Tropical Countries ◽  
South Vietnam ◽  
Cat Tien National Park

In a total of four surveys at eight sites in some major rivers in Vinh Long province during 2013 to 2014, 18 species of cladoceran, belonging to 14 genera, 7 families and 2 orders, were recorded. The cladocerans fauna in Vinh Long province is recognized as moderate diverse, and the species recorded were mostly common species. Among 18 species, Grimaldina brazzai Richard, 1892 is a rare species. A total of four females specimens of species G. brazzai were collected at the Co Chien river, but male specimens were absent. The specimens were morphologically identified as G. brazzai described first by Richard (1892), followed by Brook (1959), Idris (1983), Smirnov (1992) and Hollwedel (2003). Grimaldina brazzai is currently the only one species in the genus Grimaldina and has been recorded in several tropical countries, such as Brazil, Thailand, Laos, Philippines, Indonesia, Malaysia, Cambodia and Singapore. They occur in lakes and rice fields, but population of this species is very limited in nature. In Vietnam, this species was first recorded in South Vietnam by Shirota (1966), but has not been described since then until recently Sinev & Korovchinsky (2013) recorded this species in the Cat Tien National Park, Dong Nai province, South Vietnam. 

The CIA in Vietnam

2020 ◽  
pp. 127-155
Author(s):  
Huw Dylan ◽  
David V. Gioe ◽  
Michael S. Goodman
Keyword(s):  
East Asia ◽  
South East Asia ◽  
Strategic Intelligence ◽  
South Vietnam ◽  
The Us ◽  
Us Government ◽  
Tet Offensive

The chapter begins with a survey of the various declassified volumes from numerous strands of the US Government that detail events from the mid-1950s onwards in relation to South East Asia. It then moves on to consider the role that CIA officer, Ed Lansdale had in the late 1950s and 1960s in establishing intelligence networks and paramilitary activities in South Vietnam. As the war developed, however, it became increasingly difficult to gain any kind of meaningful strategic intelligence from Hanoi. And despite notable advances, the US was prone to being surprised. This chapter discusses these issues in the context of the Tet Offensive. Document: Intelligence Warning of the Tet Offensive in South Vietnam.

scholarly journals Cladoceran diversity in Vinh Long province and redescription of the rare species Grimaldina brazzai richard, 1892 (macrotricidae, anomopoda, branchiopoda) for zooplankton fauna Vietnam

2019 ◽  
Vol 41 (1) ◽  
Author(s):  
Nguyet Nga Thi Le ◽  
Dang Doan Phan
Keyword(s):  
Rare Species ◽  
National Park ◽  
Common Species ◽  
Rice Fields ◽  
Tropical Countries ◽  
South Vietnam ◽  
Cat Tien National Park

In a total of four surveys at eight sites in some major rivers in Vinh Long province during 2013 to 2014, 18 species of cladoceran, belonging to 14 genera, 7 families and 2 orders, were recorded. The cladocerans fauna in Vinh Long province is recognized as moderate diverse, and the species recorded were mostly common species. Among 18 species, Grimaldina brazzai Richard, 1892 is a rare species. A total of four females specimens of species G. brazzai were collected at the Co Chien river, but male specimens were absent. The specimens were morphologically identified as G. brazzai described first by Richard (1892), followed by Brook (1959), Idris (1983), Smirnov (1992) and Hollwedel (2003). Grimaldina brazzai is currently the only one species in the genus Grimaldina and has been recorded in several tropical countries, such as Brazil, Thailand, Laos, Philippines, Indonesia, Malaysia, Cambodia and Singapore. They occur in lakes and rice fields, but population of this species is very limited in nature. In Vietnam, this species was first recorded in South Vietnam by Shirota (1966), but has not been described since then until recently Sinev & Korovchinsky (2013) recorded this species in the Cat Tien National Park, Dong Nai province, South Vietnam. 

Sign in / Sign up

Export Citation Format

Share Document