Trawling the sea bed (Sheppard, 2006).
Valdimarsson
Grimur
G
D000818:Animals; D017756:Aquaculture / Q000379:methods*; D003247:Conservation of Natural Resources; D004777:Environment; D004784:Environmental Monitoring; D019015:Geologic Sediments; D007391:International Cooperation; D009792:Oceans and Seas