Inferred effects of lake acidification on Daphnia galeata mendotae

Keller, Wendel; Yan, Norman D.; Holtze, Keith E.; Pitblado, J. Roger

doi:10.1021/es00078a015

Cited by 67 publications

(49 citation statements)

References 17 publications

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“…Daphnia taxa are rare in lakes with pH <6.0 (Keller et al 1990;Havens et al 1993). A study specific to south-central Ontario identified pH 6.0 as the threshold for maximal community change when considering species richness and abundance (Holt et al 2003).…”

Section: Discussionmentioning

confidence: 99%

Linking mean body size of pelagic Cladocera to environmental variables in Precambrian Shield lakes: A paleolimnological approach

Korosi¹,

Paterson²,

DeSellas³

et al. 2008

J Limnol

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Section: Discussionmentioning

confidence: 99%

Linking mean body size of pelagic Cladocera to environmental variables in Precambrian Shield lakes: A paleolimnological approach

Korosi¹,

Paterson²,

DeSellas³

et al. 2008

J Limnol

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“…Fe, Ni, Mn and Al were also a concern (Calderoni and Tartari, 2001) and the lake was also very acid. The negative effect of acidity on zooplankton is well documented in both field and laboratory studies (Keller et al, 1990;Havens et al, 1993). Many species cannot tolerate pH values lower than 5.5 and in that period the pH of Lake Orta was 4-4.5 at winter overturn.…”

Section: Discussionmentioning

confidence: 99%

Mechanisms underlying recovery of zooplankton in Lake Orta after liming

2016

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The goal of this study was to improve the understanding of the large-scale mechanisms underlying the recovery of the zooplankton of Lake Orta from historical contamination, following reduced input of ammonia and metals and the subsequent 1989/90 liming intervention. The industrial pollution had been severe and long-lasting (1929-1990 2001 and 2007 (0.55 and 0.72 for rotifers, 0.85 and 0.86 for crustacean, respectively), much higher than in limed lakes in Sudbury, Canada, and in adjacent Lake Maggiore. We hypothesize this could be related to the lack of Cladoceran predators and zooplanktivorous fish in the pelagic waters of Lake Orta.

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“…First, the toxic threat from both acidity and metals was more conducive to the survival of colonists in Middle than in Clearwater Lake. Liming immediately raised the pH of Middle Lake waters from levels lethal to most zooplankton (Keller et al, 1990;Havens et al, 1993), i.e., from 4.4 to near circum-neutrality (Fig. 2a), while pH remained at toxic levels in Clearwater until at least the mid-1990s.…”

Section: Discussionmentioning

confidence: 99%