This paper reports two newly recorded species, lsohypsibius lunulatus Iharos, 1966 and lsohypsibiusprosostomus Thulin, 1928, of the genus lsohypsibius （Tardigrada; Hypsibiidae） from China. The specimens of lsohysibi...This paper reports two newly recorded species, lsohypsibius lunulatus Iharos, 1966 and lsohypsibiusprosostomus Thulin, 1928, of the genus lsohypsibius （Tardigrada; Hypsibiidae） from China. The specimens of lsohysibius lunulatus were collected from Taibai Mt （34°18′N, 107°42′E） at 2,500 m a.s.1, and those oflsohypsibius prosostomus from Taibai Mt （34°10′N, 107°35′E） at 2,000 m above sea level. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China. A key to the Chinese species of lsohypsibius was also given.展开更多
This paper reports two newly recorded species, Itaquascon placophorum Maucci, 1972 and Itaquascon umbellinae Barros, 1939, of the genus Itaquascon （Tardigrada; Hypsibiidae） from China in the first time. The specimen...This paper reports two newly recorded species, Itaquascon placophorum Maucci, 1972 and Itaquascon umbellinae Barros, 1939, of the genus Itaquascon （Tardigrada; Hypsibiidae） from China in the first time. The specimens of Itaquascon placophorum were collected from Tsinling Mountains （33°28′N, 108°29′E） at 2,040 m above the sea level and those ofltaquascon umbellinae from Taibai Mt. （34°21′N, 107°39′E） at 1,500 m above the sea level. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China.展开更多
This paper reported two newly recorded species, Hypsibius convergens Urbanowicz, 1925 and Hypsibius hypostomus Bartos, 1935, of the genus Hypsibius （Tardigrada; Hypsibiidae） from China. Both species were collected f...This paper reported two newly recorded species, Hypsibius convergens Urbanowicz, 1925 and Hypsibius hypostomus Bartos, 1935, of the genus Hypsibius （Tardigrada; Hypsibiidae） from China. Both species were collected from Taibai Mt, Shaanxi Province. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China.展开更多
This paper reports three newly recorded species, Diphascon modestum Binda, Pilato and Dastych, 1984, Diphascon nobilei Binda 1969, and Diphascon triodon Maucci, 1996, of the genus Diphascon （Tardigrada; Hypsibiidae）...This paper reports three newly recorded species, Diphascon modestum Binda, Pilato and Dastych, 1984, Diphascon nobilei Binda 1969, and Diphascon triodon Maucci, 1996, of the genus Diphascon （Tardigrada; Hypsibiidae） from China. Five specimens of Diphascon modestum were collected from Taibai Mt. （34°18′N, 107°42′E） at 2,500 m above the sea level （a.s.l.）, two specimens ofDiphascon nobilei were collected from Tonggu County, Jiangxi Province （28°31′N, 114°26′E） at 900 m a.s.l, and one specimen ofDiphascon triodon was collected from Linzhi County, Tibet （29°40′N, 94°23′E） at 3,500 m a.s.l. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China. A key to the Chinese species of Diphascon was also given.展开更多
A new species Macrobiotus wuyishanensis sp. nov. （Tardigrada： Macrobiotidae） is described from Mt. Wuyi, Southeastern China. It is most similar to Macrobiotus spectabilis Thulin, 1928, but differs by lacking fine p...A new species Macrobiotus wuyishanensis sp. nov. （Tardigrada： Macrobiotidae） is described from Mt. Wuyi, Southeastern China. It is most similar to Macrobiotus spectabilis Thulin, 1928, but differs by lacking fine punctuation on the distal half of the projections on the egg, a ring of polygons that circle the base of each projection, and punctation between the projections on the egg shell. It is also similar to M. grandis Richters, 1911, but differs by smaller body size, lacking polygons and punctations between the projections on egg shell.展开更多
Antarctic continental lakes and ponds are among the most impoverished aquatic environments on earth but many of them support flourishing populations of cyanobacteria,eukaryotic algae,protozoans,and some multicellular ...Antarctic continental lakes and ponds are among the most impoverished aquatic environments on earth but many of them support flourishing populations of cyanobacteria,eukaryotic algae,protozoans,and some multicellular animals.In this study,we present results of a microscopic analysis of cyanobacteria and eukaryotic algae from nine diverse types of Antarctic continental water bodies during one austral summer.The results supplement and enlarge our previous studies on the limnological characteristics of the epiglacial and supraglacial lakes and ponds in Dronning Maud Land,an area that has received little attention from limnologists.The taxon with highest frequency among the samples(n=79)was Mesotaenium cf.berggrenii,a eukaryotic Zygnematophyceae,which occurred in 82%of the samples with a maximum cell density of 68 cells·mL^(-1).The taxa with second and third highest frequency were the prokaryotes Gloeocapsopsis(60%)and Leptolyngbya(41%),followed by Chlamydomonas(34%)and Cyanothece(29%).The number of taxa varied between 7-21 among the lakes and ponds,being highest in a supraglacial lake,and lowest in an epiglacial lake.The results did not reveal any obvious correlation between the abundance of any taxa and the water chemistry,but water bodies with inorganic sediments had higher cell densities and biomasses than those without sediment.This suggests the importance of sediment in supporting biological diversity in these ultraoligotrophic lakes and ponds.展开更多
基金This study was supported by scientific research foundation project of Shaanxi Institute of Education (No. 07KJ37Q)
文摘This paper reports two newly recorded species, lsohypsibius lunulatus Iharos, 1966 and lsohypsibiusprosostomus Thulin, 1928, of the genus lsohypsibius （Tardigrada; Hypsibiidae） from China. The specimens of lsohysibius lunulatus were collected from Taibai Mt （34°18′N, 107°42′E） at 2,500 m a.s.1, and those oflsohypsibius prosostomus from Taibai Mt （34°10′N, 107°35′E） at 2,000 m above sea level. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China. A key to the Chinese species of lsohypsibius was also given.
基金the National Natural Science Foundation(No.30770254)scientific research foundation project of Shaanxi Institute of Education (No. 07KJ37Q)
文摘This paper reports two newly recorded species, Itaquascon placophorum Maucci, 1972 and Itaquascon umbellinae Barros, 1939, of the genus Itaquascon （Tardigrada; Hypsibiidae） from China in the first time. The specimens of Itaquascon placophorum were collected from Tsinling Mountains （33°28′N, 108°29′E） at 2,040 m above the sea level and those ofltaquascon umbellinae from Taibai Mt. （34°21′N, 107°39′E） at 1,500 m above the sea level. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China.
基金supported by scientific research foundation project of Shaanxi Institute of Education (No.07KJ37Q)
文摘This paper reported two newly recorded species, Hypsibius convergens Urbanowicz, 1925 and Hypsibius hypostomus Bartos, 1935, of the genus Hypsibius （Tardigrada; Hypsibiidae） from China. Both species were collected from Taibai Mt, Shaanxi Province. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China.
基金supported by scientific research foundation project of Shaanxi Institute of Education (No. 07KJ37Q)
文摘This paper reports three newly recorded species, Diphascon modestum Binda, Pilato and Dastych, 1984, Diphascon nobilei Binda 1969, and Diphascon triodon Maucci, 1996, of the genus Diphascon （Tardigrada; Hypsibiidae） from China. Five specimens of Diphascon modestum were collected from Taibai Mt. （34°18′N, 107°42′E） at 2,500 m above the sea level （a.s.l.）, two specimens ofDiphascon nobilei were collected from Tonggu County, Jiangxi Province （28°31′N, 114°26′E） at 900 m a.s.l, and one specimen ofDiphascon triodon was collected from Linzhi County, Tibet （29°40′N, 94°23′E） at 3,500 m a.s.l. All specimens are deposited at the College of Life Sciences, Shaanxi Normal University, China. A key to the Chinese species of Diphascon was also given.
基金supported by the National Natural Science Foundation of China(31071888)
文摘A new species Macrobiotus wuyishanensis sp. nov. （Tardigrada： Macrobiotidae） is described from Mt. Wuyi, Southeastern China. It is most similar to Macrobiotus spectabilis Thulin, 1928, but differs by lacking fine punctuation on the distal half of the projections on the egg, a ring of polygons that circle the base of each projection, and punctation between the projections on the egg shell. It is also similar to M. grandis Richters, 1911, but differs by smaller body size, lacking polygons and punctations between the projections on egg shell.
基金supported by AF-NSFC mobility program from the Academy of Finland(Grant no.333170)National Natural Science Foundation of China(Grant no.52211530038).
文摘Antarctic continental lakes and ponds are among the most impoverished aquatic environments on earth but many of them support flourishing populations of cyanobacteria,eukaryotic algae,protozoans,and some multicellular animals.In this study,we present results of a microscopic analysis of cyanobacteria and eukaryotic algae from nine diverse types of Antarctic continental water bodies during one austral summer.The results supplement and enlarge our previous studies on the limnological characteristics of the epiglacial and supraglacial lakes and ponds in Dronning Maud Land,an area that has received little attention from limnologists.The taxon with highest frequency among the samples(n=79)was Mesotaenium cf.berggrenii,a eukaryotic Zygnematophyceae,which occurred in 82%of the samples with a maximum cell density of 68 cells·mL^(-1).The taxa with second and third highest frequency were the prokaryotes Gloeocapsopsis(60%)and Leptolyngbya(41%),followed by Chlamydomonas(34%)and Cyanothece(29%).The number of taxa varied between 7-21 among the lakes and ponds,being highest in a supraglacial lake,and lowest in an epiglacial lake.The results did not reveal any obvious correlation between the abundance of any taxa and the water chemistry,but water bodies with inorganic sediments had higher cell densities and biomasses than those without sediment.This suggests the importance of sediment in supporting biological diversity in these ultraoligotrophic lakes and ponds.
