Shoreline development and degradation of coastal fish reproduction habitats

Shoreline development and degradation of coastal fish reproduction habitats

Coastal development has severely affected habitats and biodiversity during the last century, but quantitative estimates of the impacts are usually lacking. We utilize predictive habitat modeling and mapping of human pressures to estimate the cumulative long-term effects of coastal development in rel...

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Veröffentlicht in:Ambio. - Springer Science + Business Media. - 43(2014), 8, Seite 1020-1028
1. Verfasser: Sundblad, Göran (VerfasserIn)
Weitere Verfasser: Bergström, Ulf
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Ambio
Schlagworte:Physical sciences Biological sciences Environmental studies Applied sciences
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520 |a Coastal development has severely affected habitats and biodiversity during the last century, but quantitative estimates of the impacts are usually lacking. We utilize predictive habitat modeling and mapping of human pressures to estimate the cumulative long-term effects of coastal development in relation to fish habitats. Based on aerial photographs since the 1960s, shoreline development rates were estimated in the Stockholm archipelago in the Baltic Sea. By combining shoreline development rates with spatial predictions of fish reproduction habitats, we estimated annual habitat degradation rates for three of the most common coastal fish species, northern pike (Esox lucius), Eurasian perch (Perca fluviatilis) and roach (Rutilus rutilus). The results showed that shoreline constructions were concentrated to the reproduction habitats of these species. The estimated degradation rates, where a degraded habitat was defined as having ≥3 constructions per 100 m shoreline, were on average 0.5 % of available habitats per year and about 1 % in areas close to larger population centers. Approximately 40 % of available habitats were already degraded in 2005. These results provide an example of how many small construction projects over time may have a vast impact on coastal fish populations. 
540 |a © Royal Swedish Academy of Sciences 
650 4 |a Physical sciences  |x Earth sciences  |x Geography  |x Geomorphology  |x Topography  |x Shorelines 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Habitats  |x Habitat degradation 
650 4 |a Biological sciences  |x Ecology  |x Wildlife ecology  |x Wildlife habitats 
650 4 |a Biological sciences  |x Biology  |x Zoology  |x Animals  |x Fish 
650 4 |a Environmental studies  |x Environmental quality  |x Environmental degradation  |x Habitat destruction  |x Habitat loss 
650 4 |a Physical sciences  |x Earth sciences  |x Geography  |x Geomorphology  |x Bodies of water  |x Seas 
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700 1 |a Bergström, Ulf  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Ambio  |d Springer Science + Business Media  |g 43(2014), 8, Seite 1020-1028  |w (DE-627)326173560  |w (DE-600)2040524-8  |x 16547209  |7 nnns 
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856 4 0 |u https://www.jstor.org/stable/24709055  |3 Volltext 
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