Fisheries research institutes take samples to learn about the distribution of different age groups in fish stocks; oceanographers bore cores of sediments to study their composition; maritime traffic surveillance centres monitor shipping routes by satellite and radar to improve the organisation of junctions and difficult corridors.
Déanann na hinstitiúidí taighde iascaigh sampláil iascaigh le haithne a chur ar roinnt na n-aicmí éagsúla aoise stoic iasc; déanann na haigéaneolaithe sampláil dríodar lena gcomhshuíomh a thuiscint níos fearr; déanann na lárionaid fhaireachas an tráchta mhuirí monatóireacht satailíte agus radair ar thuras na long le heagrú níos fearr a dhéanamh ar a gcuid trasnuithe agus ar na trasdula deacra.