"For the albatrosses on Gough, which hosts virtually the whole populations of several species, this just adds to the longlining problem - not only are they threatened atsea they are now also threatened on land, " Dr Cuthbert said.
The Tengiz problem is a mere puddle next to the troubles at Kashagan in the remote North Caspian Sea, the world's largest oilfield discovery in the last three decades.
The UNHCR says tighter border controls atsea, with Mediterranean countries co-ordinating their efforts, have simply shifted the problem of illegal migration to the Greek land border.