NDLI: Seasonal changes in the demersal nekton community off the Changjiang River estuary

Content Provider	Springer Nature Link
Author	Jiang, Yazhou Ling, Jianzhong Li, Jiansheng Yang, Linlin Li, Shengfa
Copyright Year	2014
Abstract	The diversity, community structure and seasonal variation in demersal nekton off the Changjiang (Yangtze) River estuary was evaluated using monthly trawl survey data, collected between December 2008 and November 2009. A total of 95 species (56 teleosts, 11 cephalopods, and 28 decapod crustaceans) from 69 genera, 49 families and 15 orders were collected. These species could be classified into six groups on the basis of temporal distribution patterns. The resident crab Ovalipes punctatus dominated the community, both in number and biomass. A clear seasonal succession was observed in the species composition. Cluster analysis revealed three primary seasonal groups corresponding to the samples collected in winter-spring, late spring-summer and late summer-autumn. The highest biomass and lowest diversity were observed in summer, while the lowest biomass and highest diversity in winter. The abundance-biomass comparison curves and community composition suggested that the investigated community was moderately disturbed. The results suggest that reduction in fishing pressure and in the degree of seasonal hypoxia are essential for sustainable resource management off the Changjiang River estuary.
Starting Page	278
Ending Page	289
Page Count	12
File Format	PDF
ISSN	02544059
Journal	Chinese Journal of Oceanology and Limnology
Volume Number	32
Issue Number	2
e-ISSN	19935005
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-03-06
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	species diversity community structure seasonal succession summer hypoxia abundancebiomass comparison curves Oceanography
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Oceanography

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Seasonal changes in the demersal nekton community off the Changjiang River estuary

Macrobenthic assemblages of the Changjiang River estuary (Yangtze River, China) and adjacent continental shelf relative to mild summer hypoxia

Spatial variability of hypoxia and coupled physical-biogeochemical controls off the Changjiang (Yangtze River) Estuary in summer

Species and Functional Dynamics of the Demersal Fish Community and Responses to Disturbances in the Pearl River Estuary

Fish assemblage structure in the hypoxic zone in the Changjiang (Yangtze River) estuary and its adjacent waters

CO2 flux and seasonal variability in the turbidity maximum zone and surrounding area in the Changjiang River estuary

Species composition, horizontal distribution and seasonal succession of phytoplankton in the Channel from Dongting Lake to the Changjiang River, China

The relation between distribution of zooplankton and salinity in the Changjiang Estuary

Occurrence and distribution of dissolved tellurium in Changjiang River estuary

Seasonal changes in the demersal nekton community off the Changjiang River estuary

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Seasonal changes in the demersal nekton community off the Changjiang River estuary

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