Implications of warming temperatures for population outbreaks of a nonindigenous species (Membranipora membranacea, Bryozoa) in rocky subtidal ecosystems

Saunders, Megan I., Metaxas, Anna and Filgueira, Ramon (2010) Implications of warming temperatures for population outbreaks of a nonindigenous species (Membranipora membranacea, Bryozoa) in rocky subtidal ecosystems. Limnology and Oceanography, 55 4: 1627-1642. doi:10.4319/lo.2010.55.4.1627

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Author Saunders, Megan I.
Metaxas, Anna
Filgueira, Ramon
Title Implications of warming temperatures for population outbreaks of a nonindigenous species (Membranipora membranacea, Bryozoa) in rocky subtidal ecosystems
Journal name Limnology and Oceanography   Check publisher's open access policy
ISSN 0024-3590
1939-5590
Publication date 2010-07
Sub-type Article (original research)
DOI 10.4319/lo.2010.55.4.1627
Open Access Status File (Publisher version)
Volume 55
Issue 4
Start page 1627
End page 1642
Total pages 16
Place of publication Waco, TX, United States
Publisher American Society of Limnology and Oceanography
Language eng
Formatted abstract
To quantify and explore the role of temperature on population outbreaks of a nonindigenous bryozoan (Membranipora membranacea) in kelp beds in the western North Atlantic (Nova Scotia, Canada), we constructed an individual-based model using field-derived estimates for temperature-dependent colony settlement and growth. Using temperature as the single input variable, the model successfully simulated the timing of onset of settlement, colony abundance, colony size, and coverage on kelps. We used the model to examine the relative effect on the population of varying temperature by -2°C to +2°C each day. The timing of onset of settlement varied by 18 d °C-1 with changes in temperature from January to August. Variations in temperature had nonlinear effects on the population, with an increase in daily temperature of 1°C and 2°C causing the cover of colonies on kelps to increase by factors of 9 and 62, respectively. Changes in winter and spring temperature had the most pronounced effects on the timing and abundance of colonies, while changes in summer temperature had the most pronounced effect on colony size and coverage on kelp blades. Outbreaks of this species will increase in frequency and intensity if temperatures warm as a result of climate change, causing defoliation of kelp beds and, thus, facilitating the invasion of other nonindigenous benthic species. © 2010, by the American Society of Limnology and Oceanography, Inc.
Keyword Recent Climate-Change
Nova-Scotia
Marine Bryozoan
Kelp Bed
Growth
Canada
Size
Recruitment
Hypothesis
Invasions
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: Global Change Institute Publications
ERA 2012 Admin Only
 
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Citation counts: TR Web of Science Citation Count  Cited 12 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 12 times in Scopus Article | Citations
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