Sentences with phrase «shark population takes»

Not exact matches

While there seem to be many young Greenland sharks around, Nielsen believes many breeding - age sharks were harvested for oil around the time of the second world war, and because of the time it takes them to mature sexually, the population will be recovering for another 100 years.

The porbeagle shark is hunted for its fins, and populations could take decades to recover.

Taking Shark Diving to the extreme, the regular Shark population comprises 8 different species: Whitetip Reef Sharks, Blacktip Reef Sharks, Grey Reef Sharks, Tawny Nurse Sharks, Sicklefin Lemon Sharks, Silvertip Sharks, Bull Sharks and Tiger Sharks.

I can only speculate but I wouldn't imagine global warming wouldhave had much of an impact on global shark populations to date.Water takes a lot of energy to heat up and changes to globaloceanic temperatures are less noticable than atmospherictemperatures.

If we are to conserve the world's remaining shark populations, management schemes, fishery regulations and trade regimes must take into account the extraordinary life history of this fascinating group of species.

Filmed in visually stunning, high definition video, Sharkwater takes you into the most shark rich waters of the world, exposing the exploitation and corruption surrounding the world's shark populations in the marine reserves of Cocos Island, Costa Rica and the Galapagos Islands, Ecuador.