Why a sustainable aquaculture is important
By: Jude Barton
Aquaculture is the term used for the growing and cultivating of plants and animals in water. Fresh water aquaculture can take place in lakes, streams, ponds or man-made environments. Marine aquaculture takes place in salt water and involves the raising of shellfish, mussels and saltwater...
By: Chris Wiegard
Global warming is widely understood by scientists, and to a lesser extent by non-scientists, as posing serious risks for future humanity. As humans are land dwellers, it is perhaps understandable that more alarm has been generated by the projected negative impacts on land than in...
By: Jerome Carter
Since the late 20th century wild stocks of popular food fish have been declining around the world. Much of this have been due to overfishing. Pollution and habitat destruction have contributed to the problem.It seems that it is impossible to prevent overfishing or to...
The effects of ocean acidification
By: Nigel Holmes
The amount of carbon dioxide (CO2) in the atmosphere is rising, and this is increasing the acidity of the oceans. The way this happens is that atmospheric CO2 dissolves in water to produce bicarbonate (chemically-speaking, HCO3) and hydrogen ions. The more hydrogen ions that are...
By: Gordon Hamilton
The fishing industry is one which has been in decline for a great many years. As demand for fish and seafood has grown from an increasingly numerous and prosperous human population, fishermen and all those associated with the industry have had to develop new practices...
By: Charles Ray
The oceans, in conjunction with the atmosphere, create the climate experienced on Earth. For a long time, discussions of climate change did not take the oceans, and the major impact they have on climate, into consideration. The top few meters of the ocean store as...
Global warming: How the oceans are changing
By: Nigel Holmes
According to the UN-sponsored Intergovernmental Panel on Climate Change (the IPCC for short,) the balance of scientific opinion is that mankind is warming the planet. While climate changes are complex, it does seem that emissions of greenhouse gases, especially carbon dioxide, are a significant...
By: Blaise Pascal
Red tide is a phenomenon that occurs all across the world along the coasts. It is formed when phytoplankton or algae accumulate in such large numbers in a given area that they discolor the water. The preferred name by scientists is harmful algal blooms (HABs)...
By: Volecia Plafcan
There's not much anyone can do to stop a river and its tributaries from flooding. Once it's started, it has a mind of its own and no one can predict where it's going or when. Snow melting quicker than anticipated or heavy rains cause most...
By: Alainna DePoalo
All rivers are parts of a larger system called a watershed, where a river and its branches drain land. Rivers are better defined as large, natural streams flowing through channels draining into even larger water bodies. All rivers are different, but they are comprised of...

 

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