Distribution, Feeding and Body Condition of Four Small Fish Species in the Near-shore and Central Areas of Liangzi Lake, China

Xie, Shuguang; Li, Zhongjie; Cui, Yuntao; Murphy, Brian R.

doi:10.1007/s10641-005-2925-x

Cited by 13 publications

(14 citation statements)

References 32 publications

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“…1 & 5). Our results are consistent with findings in lakes along the middle and lower reaches of the Yangtze River, including Liangzi Lake (Xie et al 2005) and Biandantang Lake (Xie et al 2000, Zhang 2005, where the 2 species are native. Both gobies shifted their diet by feeding increasingly on macrozoobenthos as they grew.…”

Section: Discussionsupporting

confidence: 91%

“…section of intestine from the esophagus to the posterior end of the first loop) were removed and preserved in 75% ethanol (Xie et al 2000(Xie et al , 2005. Food items in non-empty foreguts (77.8% of the foreguts) were counted individually in a counting chamber and subsequently identified to the lowest possible taxonomic level under a dissecting microscope.…”

Section: Gut Content Analysesmentioning

confidence: 99%

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Trophic niche differences between two congeneric goby species: evidence for ontogenetic diet shift and habitat use

Liu¹,

Lek²,

Li³

et al. 2014

Aquat. Biol.

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Food partitioning is one of the primary mechanisms facilitating the stable cooccurrence of competing species, but very few studies have investigated how food resource use of competing and closely related species varies with life-history stages and habitats. In Lake Erhai (China), the trophic niche of 2 congeneric and co-occurring invasive goby species (Rhinogobius cliffordpopei and R. giurinus) was examined to test the existence of an ontogenetic diet shift and to determine potential differences in trophic niche between species within a habitat and between habitats (i.e. littoral and profundal) within species. Results obtained from gut content and stable isotope analyses revealed a strong trophic niche shift during ontogeny, whereby juveniles mainly consumed macrozooplankton while sub-adults and adults increasingly consumed aquatic insects and Tubificidae. The trophic niche of juveniles was similar between species in each of the 2 habitats but significantly different for sub-adults and adults, notably in littoral habitat. Moreover, the trophic niche was similar between habitats for juveniles of each species, whereas it differed significantly between habitats for sub-adults and adults. This study demonstrates the importance of ontogeny and shows that habitat use can significantly affect food resource use and trophic relationships between 2 co-occurring fish species.KEY WORDS: Species co-occurrence · Niche differentiation · Ontogenetic niche shift · Stable isotope analyses · Rhinogobius · Gut content analysis Resale or republication not permitted without written consent of the publisher

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Section: Discussionsupporting

confidence: 91%

Section: Gut Content Analysesmentioning

confidence: 99%

Trophic niche differences between two congeneric goby species: evidence for ontogenetic diet shift and habitat use

Liu¹,

Lek²,

Li³

et al. 2014

Aquat. Biol.

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“…Results in the present study suggested that vegetation cover is essential to maintain small fish diversity and abundance in shallow lake. However, over-vegetated habitat was demonstrated to result in low feeding efficiency and poor growth of both small fishes and piscivorous fishes (Miranda et al, 1997;Xie et al, 2005). Further studies should be conducted to investigate the effects of macrophyte cover on predator-prey interactions, and to provide the basis for vegetation management and development of a reasonable piscivorous fish stocking strategy in such lakes.…”

Section: Discussionmentioning

confidence: 99%

Spatial distribution and abundance of small fishes in Xiaosihai Lake, a shallow lake along the Changjiang (Yangtze) River, China

Wei

Zhang

2010

Chin. J. Ocean. Limnol.

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Spatial distribution and abundance of small fishes were studied in autumn 2007 in the Xiaosihai Lake, a shallow lake along the middle reach of the Changjiang (Yangtze) River. Based on the plant cover, the lake was divided into three major habitats: Myriophyllum spicatum habitat (MS habitat), Trapa bispinosa habitat (TB habitat), and non-vegetation habitat (NV habitat). A modified pop-net was used for quantitative sampling of small fishes in the three habitats, and the Zippin's removal method was used for estimating densities of the small fishes. A total of 13 species belonging to 5 families were collected, with 11 species in MS habitat, 7 species in TB habitat, and 5 species in NV habitat. Habitat type had significant effect on the spatial distribution of small fishes. The Shannon-Wiener diversity index in the MS, TB and NV habitats were 1.28, 0.56 and 0.54, respectively. The total density and biomass of small fishes were significantly higher in the MS habitat (13.68 ind/m 2 and 4.44 g/m 2 ) than in the TB habitat (1.41 ind/m 2 and 0.54 g/m 2 ) and the NV habitat (1.08 ind/m 2 and 0.40 g/m 2 ), and were not significantly different between the TB habitat and the NV habitat. Water depth had no significant effect on spatial distribution of the small fishes. It was suggested that vegetation type played an important role in habitat selectivity of small fishes, and the presence of submersed vegetation should be of significance in the conservation of small fish diversity.

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“…Maintenance of macrophyte cover is essential for high diversity and abundance of small fishes, and hence fishery yield of piscivorous fishes. On the other hand, it is also essential to regulate the level of macrophyte abundance, as other studies indicated that dense vegetation could result in low feeding efficiency and poor growth of both small fishes and piscivorous fishes (Colle and Shireman 1980;Miranda and Pugh 1997;Xie et al 2005). Further studies are needed in future to investigate the effects of macrophyte cover on predatorprey interactions of fish, and to assess ecosystem consequences of the stocking of piscivorous fishes into the Yangtze lakes.…”

Section: Implications For Lake Fishery Managementmentioning

confidence: 99%

Community structure of small fishes in a shallow macrophytic lake (Niushan Lake) along the middle reach of the Yangtze River, China

Lek-Ang

et al. 2006

Aquat. Living Resour.

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-This study describes the current status of the small fish community in Niushan Lake in China, and examines the spatial and seasonal variations of the community in relation to key environmental factors. Based on macrophyte cover conditions, the lake was divided into three major habitat types: (1) Potamogeton maackianus habitat, (2) Potamogeton maackianus and Myriophyllum spicatum habitat, and (3) uncovered or less-covered habitat. Fish were sampled quantitatively in the three habitat types by block nets seasonally from September 2002 to August 2003. A total of 10 469 individuals from 27 fish species were caught, among which 20 species were considered as small fishes. Rhodeus ocellatus, Paracheilognathus imberbis, Pseudorasbora parva, Micropercops swinhonis and Cultrichthys erythropterus were recognized as dominant small fishes according to their abundance and occurrence. It was noted that (1) small fishes predominated the total number of fish species in the lake, which reflected to some degree the size diminution phenomenon of fish resources; (2) many small fishes had plant detritus as their food item, which was consistent with the abundance of macrophyte detritus in the lake and implied the importance of detritus in supporting small fish secondary production. Canonical correspondence analysis suggested that the spatial distributions of most small fishes were associated with complex macrophyte cover conditions. Macrophyte biomass was positively correlated with species richness, diversity index and the catch per unit of effort (CPUE) of the fish community. Water depth had no significant effects on species diversity and distribution of the small fishes. Correspondence analysis revealed a higher occurrence of the small fishes and higher abundance of individuals in summer and autumn. Seasonal length-frequency distributions of several species indicated that more larval and juvenile individuals appeared in spring and summer. This study provides some baseline information which will be essential to long-term monitoring of small fish communities in the Yangtze lakes.Key words: Small fishes / Freshwater community structure / Habitat utilization / Multivariate statistics / Lake fishery management / Yangtze lakes Résumé -Structure de la communauté des poissons de petites tailles du lac Niushan connecté au fleuve Yangtze (Chine). Ce travail décrit l'état actuel de la communauté des poissons du lac Niushan (Chine) en examinant la distribution spatiale et les variations saisonnières de la communauté en relation avec les principaux facteurs environnementaux du milieu. Les différentes espèces de macrophytes permettent de diviser les habitats du lac en 3 types : (1) habitat à Potamogeton maackianus, (2) habitat à Potamogeton maackianus et Myriophyllum spicatum, et (3) habitat sans ou peu de macrophyte. Les échantillonnages des poissons des trois types habitats ont été effectués à différentes saisons, de septembre 2002 à août 2003. Au total, 10 469 individus appartenant à 27 espèces de poissons ont été pêchés ; 20 espèces...

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Distribution, Feeding and Body Condition of Four Small Fish Species in the Near-shore and Central Areas of Liangzi Lake, China

Cited by 13 publications

References 32 publications

Trophic niche differences between two congeneric goby species: evidence for ontogenetic diet shift and habitat use

Trophic niche differences between two congeneric goby species: evidence for ontogenetic diet shift and habitat use

Spatial distribution and abundance of small fishes in Xiaosihai Lake, a shallow lake along the Changjiang (Yangtze) River, China

Community structure of small fishes in a shallow macrophytic lake (Niushan Lake) along the middle reach of the Yangtze River, China

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