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While the full implications of elevated CO 2 on marine ecosystems are still being documented, there is a substantial body of research showing that a combination of ocean acidification and elevated ocean temperature, driven mainly by CO 2 and other greenhouse gas emissions, have a compounded effect on marine life and the ocean environment. This ...
From the early 15th century to the early 17th century the Age of Discovery had, through Portuguese seafarers, and later, Spanish, Dutch, French and English, opened up southern Africa, the Americas (New World), Asia and Oceania to European eyes: Bartholomew Dias had sailed around the Cape of southern Africa in search of a trade route to India; Christopher Columbus, on four journeys across the ...
A lower ocean pH has a range of potentially harmful effects for marine organisms. Scientists have observed for example reduced calcification, lowered immune responses, and reduced energy for basic functions such as reproduction. [38] Ocean acidification can impact marine ecosystems that provide food and
Stinging jellyfish, rays with their whip-like tails and sharks on the hunt are some ocean hazards that might typically worry beachgoers. Six people drowned in rip currents over a recent two-day ...
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
The First World Ocean Assessment of 2015 showed that the ocean is important for the climate and support of life on the whole planet, and that critical ocean systems are under threat, making the exploration and mapping of the ocean a key environmental goal to facilitate understanding of the dynamics of ocean systems and the changes that are ...
Deep-sea exploration is the investigation of physical, chemical, and biological conditions on the ocean waters and sea bed beyond the continental shelf, for scientific or commercial purposes.
Open water swimming is a popular sport, with more than three million people thought to take part every year in England.