scholarly journals Flexible diel vertical migration behaviour of zooplankton in the Irish Sea

2004 ◽  
Vol 267 ◽  
pp. 85-97 ◽  
Author(s):  
X Irigoien ◽  
DVP Conway ◽  
RP Harris
Keyword(s):  
Vertical Migration ◽  
Diel Vertical Migration ◽  
Irish Sea ◽  
Migration Behaviour ◽  
The Irish Sea

Impact of food concentration on diel vertical migration behaviour of Daphnia pulex under fish predation risk

Hydrobiologia ◽  
2008 ◽  
Vol 614 (1) ◽  
pp. 321-327 ◽  
Author(s):  
Meryem Beklioglu ◽  
Ayse Gul Gozen ◽  
Feriha Yıldırım ◽  
Pelin Zorlu ◽  
Sertac Onde
Keyword(s):  
Predation Risk ◽  
Vertical Migration ◽  
Diel Vertical Migration ◽  
Daphnia Pulex ◽  
Fish Predation ◽  
Food Concentration ◽  
Migration Behaviour

scholarly journals Microplastic interactions with North Atlantic mesopelagic fish

2015 ◽  
Vol 73 (4) ◽  
pp. 1214-1225 ◽  
Author(s):  
Amy L. Lusher ◽  
Ciaran O'Donnell ◽  
Rick Officer ◽  
Ian O'Connor
Keyword(s):  
Marine Environment ◽  
North Atlantic ◽  
Vertical Migration ◽  
Deep Sea ◽  
Diel Vertical Migration ◽  
Euphotic Zone ◽  
Mesopelagic Fish ◽  
Marine Biota ◽  
Northeast Atlantic ◽  
Migration Behaviour

Abstract Microplastics in the marine environment are well documented, and interactions with marine biota have been described worldwide. However, interactions with vertically migrating fish are poorly understood. The diel vertical migration of mesopelagic fish represents one, if not the largest, vertical migration of biomass on the planet, and is thus an important link between the euphotic zone, transporting carbon and other nutrients to global deep sea communities. Knowledge of how mesopelagic fish interact and distribute plastic as a marine contaminant is required as these populations have been identified as a potential global industrial fishery for fishmeal production. Ingestion of microplastic by mesopelagic fish in the Northeast Atlantic was studied. Approximately 11% of the 761 fish examined had microplastics present in their digestive tracts. No clear difference in ingestion frequency was identified between species, location, migration behaviour, or time of capture. While ingesting microplastic may not negatively impact individual mesopelagic fish, the movement of mesopelagic fish from the euphotic zone to deeper waters could mediate transfer of microplastics to otherwise unexposed species and regions of the world's oceans.

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