Dog Lake, British Columbia (IMAGE) University of Alberta Caption A new study shows zooplankton are an excellent indicator of the health of alpine lakes. Researchers examined data from more than 1,200 lakes, including Dog Lake, British Columbia, pictured above. Photo credit: Charlie Loewen Credit Charlie Loewen Usage Restrictions with credit to Charlie Loewen 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.