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Delivery of marine-derived nutrients to streambeds by Pacific salmon
 

Summary: LETTERS
Delivery of marine-derived nutrients to
streambeds by Pacific salmon
JOHN F. REX* AND ELLEN L. PETTICREW
Geography Program, University of Northern British Columbia, 3333 University Way, Prince George, British Columbia, V2N 4Z9, Canada
*e-mail: john.rex@gov.bc.ca
Published online: 30 November 2008; doi:10.1038/ngeo364
Marine fish that migrate to freshwater rivers to spawn
deliver substantial quantities of marine-derived nutrients to
terrestrial and freshwater environments1,2
. These nutrients
support riparian vegetation3
, terrestrial organisms4
, benthic
macroinvertebrates5
, algae6
and other fish populations1
.
Although it is known that the quantity of nutrients delivered
to these environments is influenced by the number of spawning

  

Source: Aukema, Brian - ukema, Brian - Canadian Forest Service & Ecosystem Science and Management Program, University of Northern British Columbia

 

Collections: Environmental Sciences and Ecology