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MARINE ECOLOGY PROGRESS SERIES Mar Ecol Prog Ser
 

Summary: MARINE ECOLOGY PROGRESS SERIES
Mar Ecol Prog Ser
Vol. 244: 309310, 2002 Published November 29
Ritz (2002) raises the point that social behavior in
krill may act both to save energy and to decrease pre-
dation risk (e.g. Hamner & Hamner 2000, Ritz 2000).
The benefits of social aggregation have long been rec-
ognized by behavioral ecologists (e.g. Mangel & Clark
1988, Gibson et al. 1990, Ranta 1993, Parrish & Edel-
stein-Keshet 1999, van Baalen & Sabelis 1999, Clark &
Mangel 2000, Giraldeau & Caraco 2000). However, as
Ritz (2002) mentions, the social behavior of krill is not
well studied. We agree that a greater understanding of
krill social behavior within an evolutionary and ecolog-
ical framework will improve our ability to understand
krill dynamics. However, the exclusion of social aggre-
gation from our model does not represent a weakness
in our approach or alter any of our general conclusions.
Indeed, Ritz suggests an obvious extension of our
model that can only be examined when more is known

  

Source: Alonzo, Suzanne H. - Department of Ecology and Evolutionary Biology, Yale University

 

Collections: Environmental Sciences and Ecology; Biology and Medicine