Abstract:
:Understanding population dynamics of established invasive species is important for designing effective management measures and predicting factors such as invasiveness and ecological impact. The kelp Undaria pinnatifida has spread to most temperate regions of the world, however a basic understanding of population dynamics is lacking for many regions. Here, Undaria was monitored for 2 years, at 9 sites, across 3 habitats to investigate habitat-related variation in population structure, reproductive capacity and morphology. Populations on marina pontoons were distinct from those in reef habitats, with extended recruitment periods and higher abundance, biomass, maturation rates and fecundity; potentially driven by lower inter-specific and higher intra-specific competition within marinas. This suggests that artificial habitats are likely to facilitate the spread, proliferation and reproductive fitness of Undaria across its non-native range. More broadly, generalising population dynamics of invasive species across habitat types is problematic, thus adding high complexity to management options.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Epstein G,Smale DAdoi
10.1016/j.marpolbul.2018.10.055subject
Has Abstractpub_date
2018-12-01 00:00:00pages
488-500eissn
0025-326Xissn
1879-3363pii
S0025-326X(18)30767-7journal_volume
137pub_type
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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pub_type: 杂志文章
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
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