Caribou May Be Indirectly Affected by Sea-Ice Loss in the Arctic (3 of 3) (image) Penn State Share Print E-Mail Caption This is a female caribou and her calf. Research led by Eric Post, a professor of biology at Penn State University, has linked an increasingly earlier plant growing season to the melting of arctic sea ice, a relationship that has consequences for offspring production by caribou in the area. Credit Eric Post, Penn State University Usage Restrictions The image credit must be published along with the image. Share Print E-Mail 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.