[Spatial niches of dominant zooplankton species in Yueqing Bay, Zhejiang Province].

The index of dominance (), average crowding (), niche breadth (), and niche overlap ( ) of dominant zooplankton species were calculated using data collected from four zooplankton surveys from May 2016 to February 2017 in Yueqing Bay, Zhejiang Province. The results showed that there were 17 dominant zooplankton species (with ＞0.02).

[Spatial niche of major fish species in spring in the coastal waters of central and southern Zhejiang Province, China].

The relative importance index (IRI), mean crowding, niche breadth, and niche overlap (Q) of major fish species were calculated based on two fishery resource surveys from April to May 2016 (spring) in the coastal waters of central and southern Zhejiang Province. The results showed that there were 24 major fish species (IRI:100), the niche breadth values of which differed greatly and were positively correlated with IRI. The niche overlaps of fishes were extremely low in spring.

[Spatial niche and differentiation of major nekton species in Yueqing Bay, Zhejiang, China].

The index of relative importance (IRI), niche breadth, and niche overlap (Q) of nekton species were calculated using data collected from four fishery resource surveys from May 2016 to February 2017 in Yueqing Bay, Zhejiang Province. The results showed that there were 27 major nekton species (IRI＞100) with higher turnover rates across different seasons, while their niche breadth values differed greatly and showed significant positive correlation with IRI. The niche overlaps of nekton were generally low, with the highest overlap value in autumn and the lowest in spring.

[Community structure of zooplankton in adjacent area of Changjiang Estuary, China in summer 2016.].

Based on the data of zooplankton samples from 27 stations in the offshore area of Changjiang Estuary in August 2016, we analyzed the community structure and diversity of zooplankton and examined the relationship between zooplankton community structure and environmental factors. A total of 108 species of zooplankton belonging to 12 groups in six phyla, together with 15 types of pelagic larvae and fish eggs were identified. The main groups were copepods, thaliacea, chaetognaths, cladocladus and medusae, with the average abundance being 273.