%0 Journal Article %T Grand Challenges in Agroecology and Land Use Systems %A Ramachandran P. Nair %J Frontiers in Environmental Science %D 2014 %I Frontiers Media %R 10.3389/fenvs.2014.00001 %K agroecology %K Agriculture %K food production %K agroecosystems %K Environmental sustainability %K land degradation %K Biodiversity %K land-use systems %U http://www.frontiersin.org/Journal/10.3389/fenvs.2014.00001/full