Cladocerans respond to differences in trophic state in deeper nutrient poor lakes from Southern Norway

Jensen, Thomas Correll; Dimante-Deimantovica, Inta; Schartau, Ann Kristin; Walseng, Bjørn

doi:10.1007/s10750-012-1413-5

Cited by 22 publications

(27 citation statements)

References 42 publications

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“…The changes in cladoceran community structure with nutrient concentrations in our investigation are in accordance with the literature showing that zooplankton communities in lakes change with trophic state (e.g., de Eyto et al, 2003;Walseng & Halvorsen, 2005;Barnett & Beisner, 2007;Jensen et al, 2013). Simoes et al (2013a) also found that trophic state variables played an important role for the zooplankton communities in a neotropical floodplain, mediated by the effect of the flooding pulse on the trophic state.…”

Section: (C)supporting

confidence: 92%

“…The observation in the current study that locality size affects cladoceran community structure is supported by the literature (Tavernini et al, 2009;Jensen et al, 2013). Although most of the species we recorded are typically found both in large lakes and small ponds, some of the species (C. reticulata, Daphnia pulex, Simocephalus expinosus, Lathonura rectirostris) are normally associated with smaller ponds in Norway (Walseng & Halvorsen, 2007).…”

Section: (C)supporting

confidence: 89%

“…However, the present investigation adds to a growing number of studies showing that organic carbon can also have an impact on freshwater zooplankton community structure and diversity (e.g. Strecker et al, 2008;Jensen et al, 2013). The effect of TOC on cladoceran species richness in our study could be mediated through effects of flooding mitigation measures on water chemistry, i.e., water bodies behind flood defense had lower TOC concentrations.…”

Section: (C)mentioning

confidence: 49%

“…Although nutrient concentrations were not correlated to flooding regime/flood defense in our study, we cannot disregard the possibility that the effects of nutrient concentration on cladocerans were mediated by effects of flood defenses/flooding intensity on trophic state. The cladoceran community structure changed with concentrations of total N. The Flisa floodplain water bodies are mesotrophic to hypereutrophic covering a gradient of more than a ten-fold increase in total N and total P. Norwegian freshwaters in general are relatively nutrient poor (e.g., Jensen et al, 2013). This is also true for the Glomma river system, with typical total N and total P concentrations below 400 and 10 lg l -1 in the sections within the county of Hedmark (Baekken et al, 2013).…”

Section: (C)mentioning

confidence: 99%

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Does flooding mitigation measures affect cladoceran and copepod communities in floodplain water bodies?

2015

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We investigated the relative importance of flood defenses and other environmental variables for the cladoceran and copepod communities in floodplain water bodies in Southeastern Norway. The water bodies covered gradients of size, distance to the river and water chemistry, and half of them were located behind flood defenses. The effects of environmental variables on the communities were analyzed using redundancy analysis. The set of environmental variables accounted for more of the explained variation in the cladoceran community than in the copepod community. Water quality was much more important than flooding-related variables for both communities. Although cladoceran species richness was slightly higher in water bodies outside flood defenses, total nitrogen, total organic carbon (TOC), and water body area were the most important factors for the cladocerans. Macrophyte coverage was the most important variable for both species richness and community structure of copepods. Although our results show that water quality and spatial/structural variables are more important than flood defenses in structuring the communities, the effect of TOC on the cladoceran community could likely be mediated through effects of flood defense on TOC. Prospects for a continued anthropogenic pressure on river floodplains raise concern for the future of these unique ecosystems.

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Section: (C)supporting

confidence: 92%

Section: (C)supporting

confidence: 89%

Section: (C)mentioning

confidence: 49%

Section: (C)mentioning

confidence: 99%

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Does flooding mitigation measures affect cladoceran and copepod communities in floodplain water bodies?

2015

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“…In the former, despite differences in the horizontal distribution of Cladocera and Copepoda, both groups had a stable dominance structure in all sites, with B. longirostris as the dominant cladoceran and T. crassus as the dominant copepod. B. longirostris is a cosmopolitan species that prefers eutrophic conditions and displays wall-to-wall behaviour with even horizontal and vertical distribution (Adamczuk, 2012;Jensen et al, 2013). Similarly, T. crassus is regarded as an environmentally-tolerant species with invasive ability (Duchovnay et al, 1992;Gutiérrez-Aguirre and Su, 2000).…”

Section: Food Web Vs Environmental Parametersmentioning

confidence: 99%

Effect of water chemistry on zooplanktonic and microbial communities across freshwater ecotones in different macrophyte-dominated shallow lakes

et al. 2015

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A review on plankton as a bioindicator: A promising tool for monitoring water quality

Chandel,

Mahajan,

Thakur

et al. 2023

World Water Policy

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Bioindicators have become increasingly popular and have contributed significant amounts of useful information to the process of managing water resources. The ability of a species (or species assemblage) to adapt to a certain range of chemical, physical, and biological conditions is one criterion that can be used to assess the quality of its surrounding environment. Planktons that react quickly to changes in their environment have proven to be particularly valuable, and the identification of certain indicator species has become increasingly common in the process of determining the quality of the water. The “health” of an aquatic system can be inferred from the presence or absence of plankton, which act as early warning signals. When compared with the expense of assessing harmful contaminants, the overall cost of conducting routine monitoring of biological communities is far lower and has a higher degree of reliability. The ability of bioindicators to identify indirect biotic effects of pollutants, which is something that many physical or chemical tests are unable to do, is another advantage of using bioindicators. Different aquatic species as bioindicators tolerate different environmental conditions, and their different tolerances to particular environments help in identifying a particular environmental condition. Phytoplankton species like Euglena viridis, Oscillatoria limosa, Nitzschia palea, and Scenedesmus quadricauda, and zooplankton species like Branchionus sp., Molina sp., Keratella cochlearis, Daphnia sp., and Cyclopus sp. indicate water pollution. This review's objective is to highlight some recent research on planktons, focusing on their capabilities and opportunities for application as bioindicators of water quality.

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Cladocerans respond to differences in trophic state in deeper nutrient poor lakes from Southern Norway

Cited by 22 publications

References 42 publications

Does flooding mitigation measures affect cladoceran and copepod communities in floodplain water bodies?

Does flooding mitigation measures affect cladoceran and copepod communities in floodplain water bodies?

Effect of water chemistry on zooplanktonic and microbial communities across freshwater ecotones in different macrophyte-dominated shallow lakes

A review on plankton as a bioindicator: A promising tool for monitoring water quality

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