Understanding how lake populations of arctic char are structured and function with special consideration of the potential effects of climate change: a multi-faceted approach

• Main Authors: Phaedra Budy, Chris Luecke
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Published: 2014
• Subjects: Arctic; Climate change
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1060.6498; http://www.usu.edu/fel/publications/pdf/Budy%26Luecke_Oecologia2014.pdf

© springer-Verlag Berlin heidelberg (outside the usa) 2014 structure as well as an increase in reproductive output (R o ) and decrease in generation time (G o ). collectively, these results indicate arctic char populations (not just individuals) are extremely sensitive to small changes in the number of ice-free days. We hypothesize years with a longer growing season, predicted to occur more often under climate change, produce elevated growth rates of small char and act in a manner similar to a "resource pulse," allowing a subset of small char to "break through," thus setting the cycle in population structure.