Invasion and Morphological Variation of the Non- Indigenous BarnacleChthamalus challengeri

Invasion and Morphological Variation of the Non- Indigenous BarnacleChthamalus challengeri(Hoek, 1883) in Yangshan Port and its Surrounding Areas

LIU Yan;XUE Junzeng;LIN Junda;WU Huixian

【期刊名称】《中国海洋大学学报（英文版）》 【年(卷),期】2015(014)003

【摘要】Invasive species generally possess unique characteristics that allow them to survive the invasion process in order to es-tablish and spread in new habitats. Successful invaders must resist both physical and physiological stresses associated with the changing environment. A common littoral barnacle,Chthamalus challengeri Hoek, 1883 (Crustacea, Cirripedia), which is native to Japan, South Korea and northern China, has become established in the high-littoral zone adjacent to Yangshan Port, Shanghai, China. A comparison of the morphology ofChthamlus species from Zhoushan archipelago with previous description indicates the occur-rence of C. challengeri.The new immigrant becomes a dominant species in certain high-intertidal habitats of the adjacent area to of Yangshan Port.C. challengeri was found in part of sampling sites in Zhoushan in 2010; however, it dispersed to all the eleven sam-pling sites in 2012. Densities ofC.challengerihad increased over 10 times in the last 2

years,

with

the highest

mean

value

reaching

39533±6243ind.m-2 in the new habitat. The specific ratios of both

operculum area (Sa) to base area (SA) and average height of pa-rietal plates (H) to length of base (L) revealed thatC. Challengeri displays morphological changes to resist stronger currents in the new habitats for invasion.

【总页数】9页(575-583) 【关键词】

【作者】LIU Yan;XUE Junzeng;LIN Junda;WU Huixian

【作者单位】Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University,Ministry of Education, Shanghai 201306, P. R. China;Key Laboratory of Exploration and Utilization

of

Aquatic

of

Genetic Education,

Resources, Shanghai

Shanghai 201306,

Ocean P.

R.

University,Ministry

China;Department of Biological Sciences, Florida Institute of Technology, Melbourne, Florida 32901, USA;Key Laboratory of Exploration and Utilization

of

Aquatic

Genetic

Resources,

Shanghai

Ocean

University,Ministry of Education, Shanghai 201306, P. R. China 【正文语种】英文 【中图分类】 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_journal-ocean-university-china_thesis/0201250404941.html 【相关文献】

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