Storm-generated shallow sea turbidity and its influence on spawning and nursery grounds of littoral fish

Wave action, turbidity-connected light availability and sediment relocation are among the most important factors forming nearshore benthic habitats. Based on long-term wave hindcasts (1966-2014) and empirical waves-turbidity relationships, hydrodynamically induced shallow sea turbidity component was reconstructed in the differently exposed Estonian coastal sections; possible influences on habitats, including spawning and nursery grounds of littoral fish were discussed. Although both wave and turbidity conditions have undergone some cyclic variations and marks of some violent storms can be found in coastal environment, it was not possible to associate any general shifts in the habitats to variations in long-term wind and wave climates.

[1]  L. Veneranta,et al.  Turbidity characterizes the reproduction areas of pikeperch (Sander lucioperca (L.)) in the northern Baltic Sea , 2011 .

[2]  Liis Sipelgas,et al.  Analysis of natural background and dredging-induced changes in TSM concentration from MERIS images near commercial harbours in the Estonian coastal sea , 2014 .

[3]  J. Kirk Effects of suspensoids (turbidity) on penetration of solar radiation in aquatic ecosystems , 1985, Hydrobiologia.

[4]  K. Herkül,et al.  Spatial distribution of marine benthic habitats in the Estonian coastal sea, northeastern Baltic Sea , 2013 .

[5]  A Model for Water Exchange Between the Baltic Sea and the Gulf of Riga , 1997 .

[6]  Robert Aps,et al.  Influence of large scale changes in wind climate on sea level, wave conditions and turbidity in the coastal waters of Estonia, Baltic Sea , 2012, 2012 IEEE International Geoscience and Remote Sensing Symposium.

[7]  Ü. Suursaar,et al.  How to quantify long-term changes in coastal sea storminess? , 2015 .

[8]  Flow, waves and water exchange in the Suur Strait, Gulf of Riga, in 2008 , 2011 .

[9]  Ü. Suursaar,et al.  Multi-scale analysis of wave conditions and coastal changes in the north-eastern Baltic Sea , 2014 .

[10]  Hurricane Katrina: an environmental perspective , 2006, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[11]  K. Wren,et al.  Tropical Storm and Hurricane Impacts on a Gulf Coast Estuary: Apalachicola Bay, Florida , 2008 .

[12]  Ü. Suursaar Locally calibrated wave hindcasts in the Estonian coastal sea in 1966-2011 , 2013 .

[13]  Ü. Suursaar Waves, currents and sea level variations along the Letipea - Sillamäe coastal section of the Southern Gulf of Finland , 2010 .

[14]  Anette Jönsson A model study of suspended sand due to surface waves during a storm in the Baltic Proper , 2006 .

[15]  M. C. Ferrari,et al.  Turbidity as an ecological constraint on learned predator recognition and generalization in a prey fish , 2010, Animal Behaviour.

[16]  T. Kutser,et al.  Hydrodynamically Induced or Modified Patterns Derived from Satellite Images in the Coastal Waters of Estonia , 2009 .