Increasing spread rates of tropical non-native macrophytes in the Mediterranean Sea

© 2024 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 30(2024), 4 vom: 04. Apr., Seite e17249
1. Verfasser: Wesselmann, Marlene (VerfasserIn)
Weitere Verfasser: Hendriks, Iris E, Johnson, Mark, Jordà, Gabriel, Mineur, Frederic, Marbà, Núria
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article climate change expansion geographic occurrences invasive species native range seaweed temperature thermal tolerance
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520 |a Warming as well as species introductions have increased over the past centuries, however a link between cause and effect of these two phenomena is still unclear. Here we use distribution records (1813-2023) to reconstruct the invasion histories of marine non-native macrophytes, macroalgae and seagrasses, in the Mediterranean Sea. We defined expansion as the maximum linear rate of spread (km year-1) and the accumulation of occupied grid cells (50 km2) over time and analyzed the relation between expansion rates and the species' thermal conditions at its native distribution range. Our database revealed a marked increase in the introductions and spread rates of non-native macrophytes in the Mediterranean Sea since the 1960s, notably intensifying after the 1990s. During the beginning of this century species velocity of invasion has increased to 26 ± 9 km2 year-1, with an acceleration in the velocity of invasion of tropical/subtropical species, exceeding those of temperate and cosmopolitan macrophytes. The highest spread rates since then were observed in macrophytes coming from native regions with minimum SSTs two to three degrees warmer than in the Mediterranean Sea. In addition, most non-native macrophytes in the Mediterranean (>80%) do not exceed the maximum temperature of their range of origin, whereas approximately half of the species are exposed to lower minimum SST in the Mediterranean than in their native range. This indicates that tropical/subtropical macrophytes might be able to expand as they are not limited by the colder Mediterranean SST due to the plasticity of their lower thermal limit. These results suggest that future warming will increase the thermal habitat available for thermophilic species in the Mediterranean Sea and continue to favor their expansion 
650 4 |a Journal Article 
650 4 |a climate change 
650 4 |a expansion 
650 4 |a geographic occurrences 
650 4 |a invasive species 
650 4 |a native range 
650 4 |a seaweed 
650 4 |a temperature 
650 4 |a thermal tolerance 
700 1 |a Hendriks, Iris E  |e verfasserin  |4 aut 
700 1 |a Johnson, Mark  |e verfasserin  |4 aut 
700 1 |a Jordà, Gabriel  |e verfasserin  |4 aut 
700 1 |a Mineur, Frederic  |e verfasserin  |4 aut 
700 1 |a Marbà, Núria  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global change biology  |d 1999  |g 30(2024), 4 vom: 04. Apr., Seite e17249  |w (DE-627)NLM098239996  |x 1365-2486  |7 nnns 
773 1 8 |g volume:30  |g year:2024  |g number:4  |g day:04  |g month:04  |g pages:e17249 
856 4 0 |u http://dx.doi.org/10.1111/gcb.17249  |3 Volltext 
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