期刊
MARINE POLLUTION BULLETIN
卷 106, 期 1-2, 页码 162-173出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2016.03.010
关键词
Cystoseira; Long-term changes; Eutrophication; Sea urchins; Pelagic mucilage; Northern Adriatic Sea
资金
- European Community under INTERREG IIIA Implementation of Water Quality Monitoring in Western Istria Coastal Sea - Northern Adriatic (WICOS) Programme
- Ministry of Science, Technology and Sport of the Republic of Croatia (Project Jadran) [098-0982705-2731, 098-0982705-2732]
An exploration of historical data suggested that eutrophication patterns might drive long-term fluctuations in Cystoseira populations along the west Istrian Coast (northern Adriatic Sea, Croatia). The regimes of northern Italian rivers, which flow approximately 100 km west of the study area, mainly modulate the eutrophication levels of the northern Adriatic Sea. A regression of Cystoseira populations from the 1970s through the 1990s corresponded to increased levels of eutrophication in the study area. During the late 1990s, the density of sea urchins, which are efficacious macroalgal predators, decreased, likely due to an intense formation of pelagic mucilage aggregates that resulted in mass mortality episodes of macrozoobenthic species. During the 2000-2013 period, an oligotrophication of the northern Adriatic formed the basis for the recovery of Cystoseira taxa, whose abundances from 2009 to 2013 were similar to those characterising the most flourishing Mediterranean Cystoseira assemblages. (C) 2016 Elsevier Ltd. All rights reserved.
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