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MARINE ECOLOGY PROGRESS SERIES Mar Ecol Prog Ser
 

Summary: MARINE ECOLOGY PROGRESS SERIES
Mar Ecol Prog Ser
Vol. 233: 283301, 2002 Published May 21
INTRODUCTION
Marine productivity is not distributed uniformly
across ocean basins. Instead, chlorophyll concentra-
tion, zooplankton biomass, nekton abundance, and
seabird numbers are influenced by macro-mega scale
(1000 to 3000 km) current systems and oceanographic
domains, and by coarse-meso scale (10 to 100 km) pro-
cesses that promote water-column mixing and
convergence (Aron 1962, Haury et al. 1978, Hunt &
Schneider 1987, Longhurst 1998). Because pelagic sys-
tems are heterogeneous in space and time, it has gen-
erally been assumed that oceanic seabirds use prey
patches that are scarce and unpredictable (Lack 1968,
Jouventin & Weimerskirch 1990, Weimerskirch et al.
1994b). Low prey availability and large distances be-
Inter-Research 2002 www.int-res.com
*Present address: Duke University Marine Laboratory, 135

  

Source: Anderson, David J. - Department of Biology, Wake Forest University

 

Collections: Environmental Sciences and Ecology