Contrasting migration behaviour of Daphnia pulicaria and D. galeata \boldsymbol× hyalina, in avoidance of predation by 0+perch (Perca fluviatilis)

Flik, Ben J. G.; Vijverberg, J.

doi:10.1023/a:1024459006027

Cited by 13 publications

(11 citation statements)

References 28 publications

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“…In enclosure-experiments Cerny and Bytel (1991) showed that D. pulicaria was completely removed under high fish predation pressure. Flik and Vijverberg (2003) reported that with the appearance of juvenile perch in the open water of Lake Maarsseveen, D. pulicaria selected the deep water layers as a refuge against fish predation. Gonzales and Tessier (1997) showed that growth rate of D. pulicaria was reduced by fish and Chaoborus and that in the presence of fish the species moved to deep water during daytime while in presence of Chaoborus it moved to shallow waters at night.…”

Section: Discussionmentioning

confidence: 99%

“…Brandlova et al, 1972;Flo¨ßner, 2000). D. pulicaria is generally found in deep, cool water layers (Flik & Vijverberg, 2003;Tessier & Welser, 1991;Threlkeld, 1979;Urabe, Ishida, Nishimoto, & Weider, 2003) most likely to reduce mortality from fish predation during daytime (Flik & Vijverberg, 2003;Leibold & Tessier, 1991;Tessier & Welser, 1991).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Distribution and abundance of Daphnia pulicaria, a large Daphnia of the “pulex group”, in Lake Constance (Lower Lake)

Stich¹,

Maier

2007

Limnologica

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Distribution and abundance of Daphnia pulicaria, a large Daphnia of the “pulex group”, in Lake Constance (Lower Lake)

Stich¹,

Maier

2007

Limnologica

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“…However, it is clear that even closely related taxa may differ considerably in their behaviour (e.g. Flik & Vijverberg, 2003), life history characteristics (e.g. Tollrian & Dodson, 1999), elemental composition (e.g.…”

Section: Introductionmentioning

confidence: 99%

Nutrient dependent effects of consumer identity and diversity on freshwater ecosystem function

Dzialowski

Smith

2007

Freshwater Biology

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1. Over the past decade, ecologists have tried to determine how changes in species composition and diversity affect ecosystem structure and function. Until recently, the majority of these studies have been conducted in terrestrial ecosystems and have not taken into account environmental variability. The purpose of this research was to determine how species identity and diversity in the freshwater zooplankton affected biomass of algae and zooplankton at two levels of nutrient enrichment. 2. Several species of cladocerans were grown alone and together in microcosms at both ambient and raised phosphorus concentrations to determine if the effects of consumer identity and diversity were nutrient dependent. 3. Total zooplankton biomass was greater, while algal biomass was lower, in mixed culture than in monoculture. The effects of zooplankton diversity on algal biomass, however, were only observed at raised phosphorus concentrations, suggesting that diversity effects were nutrient dependent. Specifically, diversity effects appeared to be related with biological mechanisms such as complementarity in resource use and/or facilitation. 4. More diverse communities of zooplankton appear to be better able to control algae than single species of zooplankton at high nutrient concentrations; therefore, zooplankton diversity may provide a buffer against eutrophication in freshwater ecosystems.

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“…Even in the case of keystone predation (Leibold 1996), which should be applicable to the studied system, coexistence is only predicted for a limited range of environmental conditions. In the specific case of D. pulicaria competing with D. galeata studied here, dominance of either species, mediated by fish predation, is typically very strong when they may not segregate by habitat as observed in deep stratifying lakes (Leibold & Tessier 1991; Flik & Vijverberg 2003). When both species are forced to dwell together, usually one species clearly dominates whereas the other has densities close to zero, alternations occurring either inter‐annually (Lake Mendota, Luecke, Rudstam & Allen 1992 and Oneida Lake, Cáceres 1998) or seasonally (Glen Elder Reservoir, Bernot et al.…”

Section: Discussionmentioning

confidence: 91%

“…If Daphnia species manage to reduce SAM below NSL of planktivorous fish, one can assume that this will enable them to coexist with their predators. A considerable reduction of SAM is, for example, known for D. galeata (Hu¨lsmann & Wagner 2007), whereas the larger D. pulicaria does not display such phenotypic plasticity of life-history traits (Bernot et al 2006;Vijverberg, Doksaeter & Van Donk 2006), but instead seems to rely on behavioural responses to the presence of fish if possible (Leibold & Tessier 1991;Flik & Vijverberg 2003).…”

Section: Introductionmentioning

confidence: 99%

Size‐selective predation and predator‐induced life‐history shifts alter the outcome of competition between planktonic grazers

2010

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Summary 1.We studied the effect of size-selective predation on the outcome of competition between two differently sized prey species in a homogenous environment. 2. Using a physiologically structured population model, we calculated equilibrium food concentrations for a range of predation scenarios defined by varying maximum predation intensity and size-selectivity, the latter being characterized by the neutral selection length (NSL), where negative selection of small prey size-classes turns into positive selection of larger prey. We parameterized the model according to the well-studied example of fish predation on two differently sized cladoceran species, Daphnia pulicaria and Daphnia galeata. 3. Although the larger D. pulicaria was principally the better competitor for food, competitive superiority shifted to the smaller D. galeata under certain predation scenarios. The lowest predation intensity needed to induce a shift from D. pulicaria to D. galeata was found at NSL values in between the sizes at maturity of both species. 4. Analysing the per capita mortality rates as a result of the underlying parameters of the mortality model, NSL and maximum predation intensity, revealed that the tolerable mortality rate of daphnids decreased as NSL increases towards values close to the size at maturity. This effect was most pronounced in D. pulicaria, thus explaining a higher vulnerability of the larger species to size-selective predation. 5. A reduction of the size at maturity in the smaller species (D. galeata) as a phenotypic response to the presence of fish resulted not only in an increased capability to withstand predation, but also in competitive dominance shifts over the larger D. pulicaria at lower predation intensities and a much wider range of NSL as a trait-mediated indirect effect. 6. Overall, our results demonstrate that shifts in dominance of differently sized herbivores under size-selective predation regimes may be facilitated by the demonstrated alteration in competitive capacities and thus might not be exclusively caused by direct predation effects.

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Contrasting migration behaviour of Daphnia pulicaria and D. galeata \boldsymbol× hyalina, in avoidance of predation by 0+perch (Perca fluviatilis)

Cited by 13 publications

References 28 publications

Distribution and abundance of Daphnia pulicaria, a large Daphnia of the “pulex group”, in Lake Constance (Lower Lake)

Distribution and abundance of Daphnia pulicaria, a large Daphnia of the “pulex group”, in Lake Constance (Lower Lake)

Nutrient dependent effects of consumer identity and diversity on freshwater ecosystem function

Size‐selective predation and predator‐induced life‐history shifts alter the outcome of competition between planktonic grazers

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