Viewing posts by Peter Donovan

California Grassland Carbon Challenge: What we learned, advice for moving ahead

Posted by Peter Donovan 9 years, 1 month ago

photo by Carol Hirashima
In January, 7 land managers hosted me as I sampled and established baseline sites (22 total so far) for the California Challenge. The weather was ideal.

Using multi-species cover crops to improve soil health

Posted by Peter Donovan 9 years, 3 months ago

This is an excellent presentation by Jay Fuhrer, who works for the Natural Resource Conservation Service in North Dakota, USA. He uses case studies to explain how innovative use of cover crops can boost soil health and productivity, and dramatically reduce the use of artificial fertilizers.

Sea WIFS biosphere animation

Posted by Peter Donovan 9 years, 3 months ago

Watch the global carbon cycle! The link below takes you to a NASA page that loads a 90 megabyte animated GIF file showing chlorophyll concentration (in the oceans) and Normalized Difference Vegetation Index (NDVI, on land) as the seasons change. Note: this page requires a fair bit of computer memory and good internet connection to load the image. It may step around slowly until the image is fully loaded.

Carbon cycle video

Posted by Peter Donovan 9 years, 4 months ago

The first two segments of a video presentation/animation of the carbon cycle.

Two Catchment Management Authorities in Australia begin soil carbon programs

Posted by Peter Donovan 9 years, 4 months ago

In eastern Australia, two Catchment Management Authorities have begun programs to encourage farmers and graziers to manage for increased soil organic matter. Both programs involve measuring on-farm results with before and after soil testing. Both programs are aimed at enhancing soil health and the sustainability of farming, rather than at "offsets" to fossil fuel emissions.