Global Harvest Gap, 2000-2011 (IMAGE) University of Minnesota Caption The harvest gap is the difference between the yearly maximum potential and the actual harvest frequency for 2000-2011. A harvest gap of 0 indicates harvest is maximized, while a harvest gap of 1 implies the potential for an additional harvest each year. Credit Deepak Ray and Jonathan Foley / University of Minnesota Usage Restrictions With proper credit to Deepak Ray and Jonathan Foley / University of Minnesota License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.