Science in Action to Improve the Sustainability of Agriculture, Natural Resources and Food Systems
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Perspectives on Sustainability - CSANR Blog
September 16, 2014
There is an ongoing debate about how to produce food for a growing population without losing more of our wild lands. Two options are being promoted; “land sparing” where production on current agricultural lands is intensified to produce more food thereby sparing the conversion of wild lands, and “land sharing” where agriculture and wild lands are integrated and small producing parcels are intermixed with wild lands. The former strategy is championed in a paper by Phalan et al. (2011) where the authors report that more bird and tree species were negatively affected by agriculture than benefitted from it. A contrary view from Tscharntke et al. (2012) argues that the land sparing view ignores the complexity of the real world, and that the land sharing strategy would produce more ecosystem services. From these two views, a range of options expand, all of which are being researched and debated.
September 12, 2014
One of the caveats I always state when presenting the results of our research on projected climate change impacts on PNW agricultural production is: we don’t yet know if climate change will disrupt our existing regional climate cycles. To date, the climate forecasts for our region indicate a future where climate change amplifies the current cycles – resulting in a future that is warmer and possibly slightly wetter on average, but still keeping the pattern of relatively short-cycling between wet and dry periods. These wet and dry periods rarely last for more than a couple of years.
September 9, 2014
In a recent interview that covered the gamut of oft-cited threats to agricultural sustainability and food security (drought, food safety, energy disruption, economics, terrorism, chemical pollution, genetic pollution, impacts on pollinators, soil erosion, climate change, etc.), I was asked which threat I thought was the biggest. I was completely stumped. For every threat that came to mind as “the big one” I could come up with at least two arguments why a different threat was bigger.
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