A preliminary study of oligochaetes in Poyang Lake, the largest freshwater lake of China, and its vicinity, with description of a new species of Limnodrilus

Wang, Hongzhu; Liang, Yantao

doi:10.1007/978-94-010-0597-5_4

Cited by 18 publications

(18 citation statements)

References 12 publications

(12 reference statements)

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“…Combining our results with other reports (Lin 1962;Tchang and Li 1965;Liu and Wu 1991;YG Chen 1988;XP Wu et al 1994, 2000Wang et al 1999;Gibson and Wang 2002), nearly 130 zoobenthic species have been described there. In comparison with other Chinese lakes (QY Chen et al 1980;YY Chen et al 1995;Liang and Liu 1995), Poyang Lake has the highest richness of macroinvertebrates.…”

Section: Ecological Role Of Benthos In Poyang Lakesupporting

confidence: 88%

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Macrozoobenthic community of Poyang Lake, the largest freshwater lake of China, in the Yangtze floodplain

Wang

Cui

et al. 2007

Limnology

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Poyang Lake (Poyang Hu) is located at the junction of the middle and lower reaches of the Yangtze (Changjiang) River, covering an area of 3283 km 2 . As one of the few lakes that are still freely connected with the river, it plays an important role in the maintenance of the unique biota of the Yangtze fl oodplain ecosystem. To promote the conservation of Poyang Lake, an investigation of the macrobenthos in the lake itself and adjoining Yangtze mainstream was conducted in 1997-1999. Altogether 58 benthic taxa, including 22 annelids, 8 mollusks, 26 arthropods, and 2 miscellaneous animals, were identifi ed from quantitative samples. The benthic fauna shows a high diversity and a marine affi nity. The standing crops of benthos in the lake were much higher than those in the river, being 659 individuals/m 2 and 187.3 g/m 2 (wet mass) in the main lake, and 549 individuals/m 2 and 116.6 g/m 2 in the lake outlet, but only 129 individuals/m 2 and 0.4 g/m 2 in the river. The dominant group in the lake was Mollusca, comprising 63.4% of the total in density and 99.5% in biomass. An analysis of the functional feeding structure indicated that collectorfi lterers and scrapers were predominant in the lake, up to 42.2% and 24.7% in density and 70.2% and 29.2% in biomass, respectively, while shredders and collector-gatherers were relatively common in the river. The present study was restricted to the northern outlet and the northeast part of Poyang Lake. A scrutiny is required for the remaining areas.

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Section: Ecological Role Of Benthos In Poyang Lakesupporting

confidence: 88%

“…To date, only some faunistic fi ndings have been reported JH Wu et al 2000;Wang and Liang 2001;Gibson and Wang 2002). In this article, we present an overview of the zoobenthic community, mainly the aspects of standing crop and functional feeding groups.…”

Section: Introductionmentioning

confidence: 95%

Macrozoobenthic community of Poyang Lake, the largest freshwater lake of China, in the Yangtze floodplain

Wang

Cui

et al. 2007

Limnology

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“…These studies showed that there are 108 species of Mollusca in Lake Poyang, of which more than 50% are Chinese endemic species. In contrast, few studies have been conducted on other taxonomic groups (e.g., Annelida and aquatic insects) (Xie et al, 1995, Wang et al, 1999Ou Yang et al, 2009;Pan et al, 2011). Furthermore, rare researches have been implemented on the factors regulating the community structure of macrozoobenthos (Pan et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Community structure and decadal changes in macrozoobenthic assemblages in Lake Poyang, the largest freshwater lake in China

Cai

Zhen-bin

et al. 2014

Knowl. Managt. Aquatic Ecosyst.

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Key-words:Yangtze River, floodplain lake, macrozoobenthos, community structure, sand mining Lake Poyang is the largest freshwater lake in China and contains unique and diverse biota within the Yangtze floodplain ecosystem. However, knowledge of its macrozoobenthic assemblages remains inadequate. To characterize the current community structure of these assemblages and to portray their decadal changes, quarterly investigations were conducted at 15 sites from February to November 2012. A total of 42 taxa were recorded, and Corbicula fluminea, Limnoperna fortunei, Gammaridae sp., Nephtys polybranchia, Polypedilum scalaenum and Branchiura sowerbyi were found to dominate the community in terms of abundance. The bivalves Corbicula fluminea, Lamprotula rochechouarti, Arconaia lanceolata and Lamprotula caveata dominated the community in biomass due to their large body size. The mean abundance of the total macrozoobenthos varied from 48 to 920 ind·m −2 , the mean biomass ranged from 28 to 428 g·m −2 . The substrate type affected strongly the abundance, biomass, and diversity of the macrozoobenthos, with muddy sand substrates showing the highest values. Compared with historical data, remarkable changes were observed in the abundance of macrozoobenthos and the identity of the dominant species. The mean total abundance decreased from 724 ind·m −2 in 1992 to 228 ind·m −2 in 2012. The dominant species have shifted dramatically. Large unionids were dominant before 1998, whereas pollution-tolerant species (e.g., Branchiura sowerbyi) increased in dominance after 2008. Our findings should have implications for the conservation of the benthic biodiversity of this large Yangtzeconnected lake. RÉSUMÉLa structure des communautés et les changements décennaux dans les assemblages du macrozoobenthos du lac Poyang, le plus grand lac d'eau douce en Chine Mots-clés :fleuve Yangtze, Le lac Poyang est le plus grand lac d'eau douce en Chine et contient des biotes uniques et diversifiés de l'écosystème de la plaine inondable du Yangtzé. Cependant, la connaissance de ses assemblages macrozoobenthiques reste insuffisante. Pour caractériser la structure de la communauté actuelle de ces assemblages et présenter leurs changements décennaux, des inventaires

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“…This is the second species of Potamothrix recorded from China. The first, P. bedoti (Piguet, 1913), was reported from a shallow lake in Wuhan by Wang and Liang (2001).…”

Section: Disscusionmentioning

confidence: 99%

“…Previous studies of freshwater oligochaetes in China have mainly been conducted in the east, whence 28 species and 14 genera of Tubificidae have been recorded so far (Chen, 1940;Liang, 1962, 1979, Erséus and Qi, 1985Brinkhurst et al ., 1990;Liang and Xie, 1997;Wang and Liang, 2001;Wang, 2002). Few taxa were hitherto known from the west.…”

Section: Introductionmentioning

confidence: 99%

Potamothrix scleropenis sp. nov. (Oligochaeta: Tubificidae) from Fuxian Lake, the Deepest Lake in Southwest China

Cui

Wang

2005

Zoological Science

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-Potamothrix scleropenis sp. nov. (Tubificidae: Tubificinae) is described from the profundal zone (74 m) of Fuxian Lake, the deepest lake (up to 155 m) on the Yunnan-Guizhou Plateau in China. The new species is assigned to Potamothrix because of its short vasa deferentia and its tubular atria without ejaculatory ducts and prostate glands. It differs from congeners by its cuticularized penis sheaths; bifurcated, strongly curved spermathecal chaetae; bifurcated lower prongs of bifids; and feathered hairs. P. scleropenis appears closely related to P. cekanovskajae Finogenova, 1972 and P. tudoranceai Š porka, 1994, since all the three species have homogeneous atria without prostate glands.

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A preliminary study of oligochaetes in Poyang Lake, the largest freshwater lake of China, and its vicinity, with description of a new species of Limnodrilus

Cited by 18 publications

References 12 publications

Macrozoobenthic community of Poyang Lake, the largest freshwater lake of China, in the Yangtze floodplain

Macrozoobenthic community of Poyang Lake, the largest freshwater lake of China, in the Yangtze floodplain

Community structure and decadal changes in macrozoobenthic assemblages in Lake Poyang, the largest freshwater lake in China

Potamothrix scleropenis sp. nov. (Oligochaeta: Tubificidae) from Fuxian Lake, the Deepest Lake in Southwest China

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