Hydrographic conditions driving sardine and anchovy populations in a land-locked sea. Vilibic, I., Kec, V. C., Zorica, B., Sepic, J., Matijevic, S., & Dzoic, T. MEDITERRANEAN MARINE SCIENCE, 17(1):1-12, NATL CENTRE MARINE RESEARCH, AGHIOS KOSMAS, HELLINIKON, GR-16-604, GREECE, 2016. abstract bibtex The aim of this paper is to establish a relationship between long-term variability in sardine and anchovy populations in the Adriatic Sea and ocean dynamics and processes that occur over interannual and decadal timescales in the Adriatic-Ionian basin. This analysis is based on annual time series of sardine and anchovy landings and recruits at age 0 and annual time series of environmental parameters observed at a representative Adriatic station between 1975 and 2010. Pearson correlations and robust dynamic factor analysis (DFA) were applied to quantify the connections between isheries and environmental parameters. Variations and trends in ishery series were best explained by changes in near-bottom temperature and salinity, which are an appropriate proxy for tracking changes in water mass dynamics and hydrographic conditions in the basin. A prolonged period of decreasing sardine population was characterized by low oxygen availability and environmental conditions in the deep Adriatic waters and was triggered by an extraordinary basin-wide event called the Eastern Mediterranean Transient. A collapse in anchovy population was observed after an exceptional cooling event followed by dense water formation.
@article{ ISI:000374469200001,
Author = {Vilibic, I. and Kec, V. Cikes and Zorica, B. and Sepic, J. and
Matijevic, S. and Dzoic, T.},
Title = {{Hydrographic conditions driving sardine and anchovy populations in a
land-locked sea}},
Journal = {{MEDITERRANEAN MARINE SCIENCE}},
Year = {{2016}},
Volume = {{17}},
Number = {{1}},
Pages = {{1-12}},
Abstract = {{The aim of this paper is to establish a relationship between long-term
variability in sardine and anchovy populations in the Adriatic Sea and
ocean dynamics and processes that occur over interannual and decadal
timescales in the Adriatic-Ionian basin. This analysis is based on
annual time series of sardine and anchovy landings and recruits at age 0
and annual time series of environmental parameters observed at a
representative Adriatic station between 1975 and 2010. Pearson
correlations and robust dynamic factor analysis (DFA) were applied to
quantify the connections between isheries and environmental parameters.
Variations and trends in ishery series were best explained by changes in
near-bottom temperature and salinity, which are an appropriate proxy for
tracking changes in water mass dynamics and hydrographic conditions in
the basin. A prolonged period of decreasing sardine population was
characterized by low oxygen availability and environmental conditions in
the deep Adriatic waters and was triggered by an extraordinary
basin-wide event called the Eastern Mediterranean Transient. A collapse
in anchovy population was observed after an exceptional cooling event
followed by dense water formation.}},
Publisher = {{NATL CENTRE MARINE RESEARCH}},
Address = {{AGHIOS KOSMAS, HELLINIKON, GR-16-604, GREECE}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Vilibic, I (Reprint Author), Inst Oceanog \& Fisheries, Split, Croatia.
Vilibic, I.; Kec, V. Cikes; Zorica, B.; Sepic, J.; Matijevic, S.; Dzoic, T., Inst Oceanog \& Fisheries, Split, Croatia.}},
ISSN = {{1108-393X}},
Keywords = {{long-term environmental data; anchovy and sardine populations; ocean
dynamics; interannual and decadal variability; synchrony}},
Keywords-Plus = {{DYNAMIC FACTOR-ANALYSIS; DENSE WATER FORMATION; STATE-SPACE MODELS;
SMALL PELAGIC FISH; ADRIATIC SEA; ENGRAULIS-ENCRASICOLUS; MEDITERRANEAN
SEA; TIME-SERIES; EUROPEAN ANCHOVY; CLIMATE-CHANGE}},
Research-Areas = {{Fisheries; Geology; Marine \& Freshwater Biology; Oceanography}},
Web-of-Science-Categories = {{Fisheries; Geosciences, Multidisciplinary; Marine \& Freshwater Biology;
Oceanography}},
Author-Email = {{vilibic@izor.hr}},
Funding-Acknowledgement = {{Ministry of Science, Education and Sports of the Republic of Croatia; EU}},
Funding-Text = {{We are indebted to all oceanographers and crew-members that were engaged
in data collection and laboratory analysis. All the assessments and
biological and statistical data collection of sardine and anchovy
parameters were conducted in the framework of FAO AdriaMed project. The
Multivariate Autoregressive State-Space Modelling package for R, version
3.9, was developed by Elizabeth Holmes, Eric Ward and Kellie Wills. The
comments from two anonymous reviewers greatly improved the manuscript.
Support for the study was received from the Ministry of Science,
Education and Sports of the Republic of Croatia and through the EU FP7
funded project PERSEUS (Policy-Oriented Marine Environmental Research in
the Southern European Seas).}},
Number-of-Cited-References = {{61}},
Times-Cited = {{0}},
Usage-Count-Last-180-days = {{1}},
Usage-Count-Since-2013 = {{2}},
Journal-ISO = {{Mediterr. Mar. Sci.}},
Doc-Delivery-Number = {{DJ8NO}},
Unique-ID = {{ISI:000374469200001}},
OA = {{gold}},
DA = {{2017-08-17}},
}
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