A review of predation impact by 0+ fish on zooplankton in fresh and brackish waters of the temperate northern hemisphere

Mehner, Thomas; Thiel, Ralf

doi:10.1007/978-94-017-3678-7_12

Cited by 48 publications

(52 citation statements)

References 28 publications

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“…These differences suggest that the stocking practices may also modulate cladoceran sensitivity and response to climate. Indeed, whitefish larvae stocked early in the season would exhibit a higher growth rate and lower predation losses due to warmer summers (Straile et al 2007) and exert an even stronger predation pressure on the cladoceran compartment at the season at which it is very sensitive to top-down regulation (Cryer et al 1986, Mehner andThiel 1999) as compared to fish stocked at juvenile stages.…”

Section: External Forcings Regulating Cladoceran Communities Over Thementioning

confidence: 99%

Local forcings affect lake zooplankton vulnerability and response to climate warming

Alric

Jenny

Berthon

et al. 2013

Ecology

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Abstract. While considerable insights on the ecological consequences of climate change have been gained from studies conducted on remote lakes, little has been done on lakes under direct human exposure. Ecosystem vulnerability and responses to climate warming might yet largely depend on the ecological state and thus on local anthropogenic pressures. We tested this hypothesis through a paleolimnological approach on three temperate large lakes submitted to rather similar climate warming but varying intensities of analogous local forcings (changes in nutrient inputs and fisheries management practices). Changes in the structure of the cladoceran community were considered as revealing for alterations, over the time, of the pelagic food web. Trajectories of the cladoceran communities were compared among the three study lakes (Lakes Geneva, Bourget, and Annecy) over the last 70-150 years. Generalized additive models were used to develop a hierarchical understanding of the respective roles of local stressors and climate warming in structuring cladoceran communities. The cladoceran communities were not equally affected by climate warming between lakes. In Lake Annecy, which is the most nutrient-limited, the cladoceran community was essentially controlled by local stressors, with very limited impact of climate. In contrast, the more nutrient-loaded Lakes Geneva and Bourget were more sensitive to climate warming, although the magnitude of their responses and the pathways under which climate warming affected the communities varied between the two lakes. Finally, our results demonstrated that lake vulnerability and responses to climate warming are modulated by lake trophic status but can also be altered by fisheries management practices through changes in fish predation pressure.

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Section: External Forcings Regulating Cladoceran Communities Over Thementioning

confidence: 99%

Local forcings affect lake zooplankton vulnerability and response to climate warming

Alric

Jenny

Berthon

et al. 2013

Ecology

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“…Significant values assuming a < 0.05 are shown in bold. evidence that fish feeding regulates zooplankton seasonal community dynamics is still missing (Mehner and Thiel, 1999). Recently, Nicolle et al (2011) reported suppression of cladocerans by juvenile roach regardless of resource availability.…”

Section: Discussionmentioning

confidence: 99%

Different effects of planktonic invertebrate predators and fish on the plankton community in experimental mesocosms

Šorf

Brandl

Znachor

et al. 2014

Ann. Limnol. - Int. J. Lim.

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-The impact of fish and cyclopoid copepod predation on zooplankton communities was evaluated using large-volume mesocosms (depth 9.5 m; volume 13 m 3 ) in the Ř ı´mov reservoir (Czech Republic). Two yearling roach and perch individuals introduced into mesocosms represented the fish treatment, which was compared to cyclopoid copepods (initial abundance of 2 ind.L x1 ) and a control with no initial addition of predators. Our results clearly support the hypothesis that planktivorous fish feeding leads to the suppression of large-bodied cladocerans. In the presence of fish, the cladoceran community changed from a dominance of large-bodied Daphnia spp. at the beginning to dominance by the smaller Bosmina longirostris at the end of the experiment. Chlorophyll-a concentration and rotifer abundances increased in the absence of daphnids. In the absence of fish, the presence of large-bodied cladocerans resulted in decreasing chlorophyll-a concentration. Although no significant differences were observed between cyclopoid abundances in treatments stocked with cyclopoids and the control, the proportion of large cladocerans clearly showed the effect of the manipulation. The similar trends in both of these treatments did not confirm the importance of cyclopoid predation in our experiment. The overall strong effect of fish over cyclopoid predation suggests the main role of fish predation in the forming of zooplankton communities and in turn impacting phytoplankton biomass in mesocosms.

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“…Zalewski et al 1990;Wu and Culver 1994;Boersma et al 1996;Mehner and Thiel 1999;Wagner et al 2004;Wojtal et al 2004;Fig. 2).…”

Section: Critical Seasonal Periods: Spring Conditionsmentioning

confidence: 99%

The effects of global warming on Daphnia spp. population dynamics: a review

Wojtal-Frankiewicz

2011

Aquat Ecol

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Various species of Daphnia usually play a key role in the food web of temperate freshwater systems. There is much evidence to show that climate change may influence Daphnia population dynamics, consequently altering both predator-prey interactions and the efficiency of algal biomass control in these ecosystems. This review will analyse and discuss the current knowledge on Daphnia responses to climate warming based on an analysis of selected papers. The presented results indicate that warming may have important direct and indirect effects on Daphnia biology and ecology via its influence on their lifehistory processes (metabolism, growth, reproduction) and the properties of their habitats. The plasticity of daphnids in terms of adaptive responses is generally high and includes phenotypic adaptations and changes in genotypes, although it also depends upon the strength of selection and the available genetic variation. The seasonal timing and magnitude of temperature increases are important for seasonal biomass fluctuations of Daphnia and similarly influence the potential synchrony of daphnids and phytoplankton succession (the timing hypothesis). In light of the most recent studies on this topic, even a minor warming during short but critical seasonal periods can cause factors that disturb Daphnia population dynamics to coincide, which may destabilize lake food webs by decoupling trophic interactions. Both winter and spring are important critical periods for determining future seasonal fluxes of Daphnia spp. and, consequently, the time of the clear-water phase and the occurrence and duration of Daphnia midsummer decline. Winter conditions may also affect the impact of fish predation on daphnids during summer months. However, the effects of global warming on Daphnia population dynamics and on ecosystem functioning are often difficult to predict due to their complexity and the presence of both antagonistic and synergistic drivers. Thus, the diverse responses of daphnids to climate anomalies depend on both biotic (predator abundance and seasonal phytoplankton succession) and abiotic factors (e.g. hydrodynamics, intensity and duration of thermal stratification, trophic state or geomorphology) of lakes, which are directly influenced by weather changes. The analysis and quantification of such complex interactions require the involvement of different kinds of specialists and the development of accurate research approaches, such as molecular genetic methods or mathematical modelling.

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A review of predation impact by 0+ fish on zooplankton in fresh and brackish waters of the temperate northern hemisphere

Cited by 48 publications

References 28 publications

Local forcings affect lake zooplankton vulnerability and response to climate warming

Local forcings affect lake zooplankton vulnerability and response to climate warming

Different effects of planktonic invertebrate predators and fish on the plankton community in experimental mesocosms

The effects of global warming on Daphnia spp. population dynamics: a review

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