Tag Archives: pH

GM apples

When apple (Malus domestica) fruits are cut or bitten, we all know that the cut surfaces turn brown. To stop this happening, here’s a range of genetically modified (GM, genetically engineered, GE) apples called Arctic apples. Ordinary apples turn brown … Continue reading

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Bracken

If you’re in the British uplands, you’ll be very familiar with bracken (Pteridium aquilinum). It’s part of our landscapes here, beautiful but not always good news. Robin J Pakeman at Animal Briefs tells us about bracken. It’s a native species … Continue reading

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Gardening and farming with rockdust

On the allotment site in Northern England where I grow food, there’s a fashion for rockdust. Some of my neighbours swear by it. I’m not tempted, and my plot’s the envy of the site (well it was so, until my … Continue reading

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Fact sheet on ocean acidification

Originally posted on Ocean acidification:
Key points Increasing amounts of atmospheric carbon dioxide (CO2) are being absorbed at the sea surface. When this CO2 enters the ocean it rapidly goes through a series of chemical reactions which lowers the pH…

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Acidity threatens ocean’s food chain

Lina Hansson at the European Project on OCean Acidification (EPOCA) tells us about recent science by the British Antarctic Survey (BAS) and other institutions. Those scientists’ findings are about tiny snails called sea butterflies. The findings illustrate how increased carbon … Continue reading

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Sustainable oceans?

Can oceans be managed sustainably? I’ve written here about the importance of managing fish stocks and about the challenge of ocean acidification. I’ve written about the potential of aquaculture. Maybe we don’t have to give up fishing the oceans. Eivind … Continue reading

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Food from acidifying waters

As carbon dioxide builds up in the Earth’s atmosphere, carbonic acid builds up in the oceans. Because of the carbonic acid, oceans are becoming more acidic. Elizabeth Kolbert at the National Geographic explains how oceans acidify and asks whether oysters, … Continue reading

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