The use of zooplankton in a biomonitoring program to detect lake acidification and recovery

Marmorek, David R.; Korman, Josh

doi:10.1007/bf00478160

Cited by 50 publications

(44 citation statements)

References 47 publications

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“…The species diversity and abundance decrease and the dominant zooplankton complex changes (Siegfried, Sutherland, 1992;Marmorek, Korman, 1993;Lazareva, 1994Lazareva, , 1995Sarvala, 1994). However, numerous publications indicate that total abundance decreases only at a con- siderable acidification.…”

Section: Discussionmentioning

confidence: 97%

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Response of microcosm zooplankton to acidification

Kurbatova

2005

Biol Bull Russ Acad Sci

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Zooplankton community transformation in response to soft water acidification was studied in two experimental series using the microcosm method. The dynamics of total abundance, changes in the proportions of the main zooplankton groups, stability of the dominant complex, and species diversity were evaluated. Zooplankton population proved to decrease at all studied low pH (5-6, 4-5, and 3-4) within the first two weeks relative to the control. At water pH 5-6, either Rotifera-Copepoda or Cladocera-Copepoda zooplankton complex was established depending on the initial community composition; while at pH 4-5, Copepoda predominated in the established zooplankton community. The community edificator species was replaced at pH 4-5. The lowest diversity index was also observed at this pH (1.0-1.5 bit/ind.). In addition, the proportion and absolute population of copepod nauplii and cladoceran Scapholeberis mucronata increased at low pH. A decrease in water pH to 3-4 proved to be disruptive for the zooplankton community. HYDROBIOLOGY 86

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Section: Discussionmentioning

confidence: 97%

“…The mean zooplankter size decreases and small forms start to predominate over large ones in the community (Barmuta et al, 1990;Marmorek and Korman, 1993;Lazareva, 1995). Here this was manifested as mass propagation of Copepoda nauplii.…”

Section: Discussionmentioning

confidence: 97%

Response of microcosm zooplankton to acidification

Kurbatova

2005

Biol Bull Russ Acad Sci

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“…effects on community structure) of the macroinvertebrate fauna to acidification and lower water levels are more useful as a management aid than the quantitative (taxa richness) responses because specific taxa or groups of taxa can be used as indicators or early warning signs that the system is changing, or that recovery is taking place (Raddum & Fjelheim, 1984;Marmorek & Korman, 1993). Three independent lines of evidence from our analytical design are provided by the identified acid-sensitive taxa which (1) responded negatively to acidification at Jandabup and Mariginiup, (2) responded positively to pH recovery at Jandabup and (3) were absent from Gnangara.…”

Section: Macroinvertebrate Community Structurementioning

confidence: 99%

Macroinvertebrate cycles of decline and recovery in Swan Coastal Plain (Western Australia) wetlands affected by drought-induced acidification

Sommer

Horwitz

2009

Hydrobiologia

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Management of wetlands influenced by the Gnangara groundwater mound, Western Australia, is becoming increasingly challenging due to an ongoing decline in the regional groundwater table. A number of these groundwater-dependent wetlands have acidified (with adverse effects on the extant macroinvertebrate fauna) due to the oxidation of pyritic sediments. One management option in such cases is artificial augmentation of surface water in order to maintain or reinstate anaerobia in the sediments. This paper documents cycles of macroinvertebrate decline and recovery over 12 years of monitoring in three Gnangara mound wetlands affected by drought-induced acidification, one of which is being artificially augmented. Acidification did not result in a reduction of the total number of macroinvertebrate families present, however, there were clearly identifiable groups of acid-sensitive taxa (amphipods and isopods, ostracods, chydorid and daphnid cladocerans, mayflies, oligochaetes, clams and snails) and acid-tolerant taxa (sandfly larvae, macrothricid cladocerans and water boatmen). In the artificially augmented wetland, the effects of acidification were reversed: acid-sensitive taxa reappeared and acid-tolerant taxa decreased in numbers.Moreover, there were a number of taxa that appeared for the first time since augmentation, and summer family richness increased markedly. This study has shown that artificial augmentation of wetland water levels can be a successful recovery strategy for recently acidified systems, but this will depend on a number of factors, and the 'recovered' state will be at least slightly different from the original state.

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“…The major stress from the water chemistry is probably low pH, frequently below pH 5.3, and the increased level of RAl (150-250 µg L -1 ). These concentrations are noticeable and indicate that many species of phytoplankton, zooplankton, and fish are sublethally, negatively affected by the lake water (Hörn-ström & Ekström 1983;Hörnström et al 1984;Marmorek & Korman 1993;Hesthagen et al 2001;Frost et al 2006). Nevertheless, perch still produced a considerable biomass in Lake Gjerstadvann.…”

Section: Water Chemistry and Physicsmentioning

confidence: 99%

“…Species substitutions within cladocerans during acidification are fairly well known (Roff & Kwiatkowski 1977;Nilssen 1980Nilssen , 1984Nilssen et al 1984;Hobaek & Raddum 1980;Yan & Strus 1980;UimonenSimola & Tolonen 1987;Marmorek & Korman 1993), but their quantitative spatial and temporal distribution, ecology, and life histories during acidification are less well known. Such and similar types of information are available from non-acidic sites (Lynch 1980;Kankaala 1983;Hessen & Schartau 1988;Lampert 2001;Sarma et al 2005; and references in all).…”

Section: Introductionmentioning

confidence: 99%