The recently introduced bivalve Xenostrobus securis has higher thermal and salinity tolerance than the native Brachidontes variabilis and established Mytilopsis sallei
Seawater
; Temperature
; Brachidontes variabilis
; Mytilopsis sallei
; Non-native species
; Salinity
; Xenostrobus securis
; Molluscs
; sea water
; bivalve
; introduced species
; invasiveness
; salinity tolerance
; temperature tolerance
; Article
; bivalve
; Brachidontes variabilis
; clearance
; controlled study
; environmental impact assessment
; heat tolerance
; high temperature
; low temperature
; marine environment
; Mytilopsis sallei
; nonhuman
; population abundance
; population distribution
; salinity
; salt tolerance
; species comparison
; survival
; temperature sensitivity
; Xenostrobus securis
; animal
; Hong Kong
; introduced species
; Mytilidae
; physiology
; salinity
; temperature
; China
; Hong Kong
; Bivalvia
; Brachidontes variabilis
; Mytilopsis sallei
; Animals
; Hong Kong
; Introduced Species
; Mytilidae
; Salinity
; Salt-Tolerance
; Seawater
; Temperature
Scopus学科分类:
Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要:
The recently introduced bivalve Xenostrobus securis and the previously introduced Mytilopsis sallei (~�30�years) are dominant over the native Brachidontes variabilis in estuarine fouling communities in Hong Kong. This study tested whether these introduced species have higher thermal and salinity tolerance than the native species under local subtropical seawater conditions. Survival, attachment, clearance rate and byssal thread production of these three species were examined through 96-h acute temperature and salinity tests. The results indicated that X. securis responded normally over a wide range of temperature and salinity conditions. Though M. sallei exhibited a wide salinity tolerance, its sub-lethal responses decreased in cold-seawater conditions. Brachidontes variabilis had the narrowest tolerance to temperature and salinity. These findings may explain the dominance of the non-native bivalves over B. variabilis. The high tolerance of X. securis enables them to become highly invasive in subtropical regions across Southeast Asia, impacting natural communities and shellfish farming. � 2017 Elsevier Ltd
The Swire Institute of Marine Science, Faculty of Science, The University of Hong Kong, Cape d'Aguilar Road, Shek O, Hong Kong; School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong; State Key Laboratory in Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong; Simon F.S. Li Marine Science Laboratory, School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
Recommended Citation:
Astudillo J.C.,Bonebrake T.C.,Leung K.M.Y.. The recently introduced bivalve Xenostrobus securis has higher thermal and salinity tolerance than the native Brachidontes variabilis and established Mytilopsis sallei[J]. Marine Pollution Bulletin,2017-01-01,118(2018-01-02)