the essential gardener …

Without CO2 you have no life. Today’s CO2 concentrations in the atmosphere at levels regarded as low for plant life. Optimally, the figure should be either side of 1000 parts per million or even more, for the benefit of plant life on land, as well as the oceans. Bishop Hill reports: Phytoplankton love carbon dioxide

Further to the last post, and with truly magnificent timing, I come across a new paper from John Hopkins University:

As anthropogenic CO2 emissions acidify the oceans, calcifiers generally are expected to be negatively affected. However, using data from the Continuous Plankton Recorder, we show that coccolithophore occurrence in the North Atlantic increased from ~2 to over 20% from 1965 through 2010. We used Random Forest models to examine >20 possible environmental drivers of this change, finding that CO2 and the Atlantic Multidecadal Oscillation were the best predictors, leading us to hypothesize that higher CO2 levels might be encouraging growth. A compilation of 41 independent laboratory studies supports our hypothesis. Our study shows a long-term basin-scale increase in coccolithophores and suggests that increasing CO2 and temperature have accelerated the growth of a phytoplankton group that is important for carbon cycling.

So the population of coccolithophores has increased by an order of magnitude. And since coccolithophores sequester carbon dioxide when they calcify, that means a favourable carbon cycle feedback just got a whole lot bigger.

Excellent news, I’m sure you’ll agree.

Bad news for the Paris-ites, currently partying in Paris.

Horticulture uses CO2 generators in Greenhouses to facilitate large increases in growth and yields. The best horticultural aid there is.

Update, Countries supporting CO2 emissions for primary industry and fishing:

Coal Fired plants, World Reources Institute, China

World Resources Institute, 2012


About Tom Harley

Amateur ecologist and horticulturalist and CEO of Kimberley Environmental Horticulture Inc. (Tom Harley)
This entry was posted in Climate, comedy, Environment, science, weather and tagged , , , , , , , , , , . Bookmark the permalink.

1 Response to the essential gardener …

  1. Pingback: the essential gardener … | pindanpost | Cranky Old Crow

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