Journal
MARINE POLLUTION BULLETIN
Volume 124, Issue 2, Pages 1071-1077Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2017.02.056
Keywords
Construction cost; Invasive potential; Specific leaf area; Sonneratia; Mangroves wetlands
Funding
- National Natural Science Foundation of China [31170491, 31670116, 31470513, 41576086, 41306084]
- Innovation Team Project from Shenzhen University [T201203]
- Innovation of Science, Technology Commission of Shenzhen Municipality [JCYJ20150416163041307]
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Exotic species invasions are serious ecological problems. Leaf construction cost (CC) and growth traits of two Sonneratia (Sonneratia caseolaris and S. apetala) and four native species (Bruguiera gymnorrhiza, Kandelia obovata, Aegiceras comiculatum and Avicennia marina) in Hainan and Shenzhen mangrove wetlands were compared to evaluate invasive potentials of Sonneratia after introduced to Shenzhen, their new habitat. There were no significant differences in CC and growth traits between two wetlands, suggesting Sonneratia did not lose any advantage in the new habitat and were competitive in both wetlands. CC per unit mass (CCM), CC per unit area (CCA) and caloric values of Sonneratia were significantly lower than those of native mangrove species while specific leaf area (SLA) was just the opposite. CCM of S. caseolaris and S. apetala were 6.1% and 11.9% lower than those of natives, respectively. These findings indicated the invasive potential of Sonneratia in Shenzhen after their introduction. (C) 2017 Elsevier Ltd. All rights reserved.
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