Home

About

Advanced Search

Browse by Discipline

Scientific Societies

E-print Alerts

Add E-prints

E-print Network
FAQHELPSITE MAPCONTACT US


  Advanced Search  

 
Ecological Applications, 15(6), 2005, pp. 20252036 2005 by the Ecological Society of America
 

Summary: 2025
Ecological Applications, 15(6), 2005, pp. 20252036
2005 by the Ecological Society of America
LOCAL FACTORS AND COLONIST DISPERSAL INFLUENCE CRUSTACEAN
ZOOPLANKTON RECOVERY FROM CULTURAL ACIDIFICATION
JESSIE A. BINKS,1
SHELLEY E. ARNOTT,2,3
AND W. GARY SPRULES1
1
University of Toronto at Mississauga, Department of Biology, Mississauga, Ontario L5L 1C6 Canada
2Queen's University, Department of Biology, Kingston, Ontario K7L 3N6 Canada
Abstract. We investigated the roles of local environmental conditions and dispersal
limitation in zooplankton recovery from acidification in Swan Lake, Ontario, a historically
acidified, metal-contaminated lake. We hypothesized that local environmental conditions
(pH and the presence of resident, acid-tolerant zooplankton) would limit the establishment
of several zooplankton colonist species. We tested this in a factorial mesocosm experiment
that ran for 32 days during the mid summer. Ambient pH (5.6) reduced the abundance of
two acid-sensitive cladoceran taxa, Daphnia spp. and Ceriodaphnia lacustris compared to
elevated pH (6.5) but increased the abundance of cyclopoid copepod juveniles. The resident
community suppressed Skistodiaptomus oregonensis and Diacyclops bicuspidatus thomasi,

  

Source: Arnott, Shelley - Department of Biology, Queen's University (Kingston)

 

Collections: Environmental Sciences and Ecology; Biology and Medicine