Biodiversity patterns (IMAGE) The University of Hong Kong Caption Biodiversity patterns with latitudes in three different time periods. Note the equatorial "dip" in the pre-industrial time (green) and 2090s (red), but not in the last ice age (blue). Credit @The University of Hong Kong Usage Restrictions None 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.