Chemical cues from the invertebrate predator Leptodora kindtii affect the development of cyclomorphic traits in Eubosmina coregoni gibbera

Lagergren, Ragnar; Stenson, Jan A. E.

doi:10.1093/plankt/22.6.1213

Cited by 21 publications

(14 citation statements)

References 17 publications

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“…Hellsten & Stenson, 1995; Lieder, 1996). However, these changes were directly attributable to the presence of predators (Lagergren & Stenson, 2000) and have not yet been shown also to be causally linked to temperature.…”

Section: Temperaturesupporting

confidence: 71%

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Temperature‐ and predator‐induced phenotypic plasticity in Bosmina cornuta and B. pellucida (Crustacea: Cladocera)

Kappes¹,

Sinsch²

2002

Freshwater Biology

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SUMMARY 1. Clones of Bosmina cornuta and B. pellucida (B. longirostris species complex) were derived from samples collected from Scheuermühlenteich and Lake Windsborn(westernGermany). Experimental temperature change (to 10 °C and 20 °C) and exposure to Acanthocyclops vernalis copepods (12 L−1) significantly altered external morphology in laboratory cultures of the two species. Morphological traits were derived from eight log10‐transformed and standardised morphometric distances by factorial analysis: factor 1 represented body size, factor 2, size of appendages and factor 3, the head size. 2. Acclimation of clones to cold water (10 °C, >14 days) led to an increase in body, antennule and mucrone size in B. cornuta and B. pellucida. Moreover, at 10 °C, B. cornuta cultures usually collapsed within a few weeks. Compared to the trials at 10 °C, acclimation to 20 °C (the two species) and to 15 °C (B. pellucida only) left the size of body appendages unchanged. Individuals were unequivocally assigned to each species by discriminant functions. Conspecific individuals that were acclimated to different temperatures between 10 and 20 °C also differed in external morphology, but discriminant analysis yielded misclassification rates of 5.3–23.3%. 3. Morphological response to the presence of copepod predators was weaker than that caused by temperature change. Long‐term exposure of clones to copepod predators induced a significant increase in size of appendages in the two species but left body size unaffected. Again, species identification by discriminant functions could be made without any error, whereas conspecific controls and experimentals were misclassified at rates between 19.4 and 29.5%. 4. It is suggested that temperature is the main proximal cue for Bosmina cyclomorphosis. The distinct response to temperature of B. pellucida and B. cornuta may also account for seasonal differences in abundance observed in field.

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Section: Temperaturesupporting

confidence: 71%

“…Perner‐Manegold, 1952; Kerfoot, 1975), and by the presence of predators (e.g. Wong, 1981; Kerfoot, 1987; Hellsten, Lagergren & Stenson, 1999; Lagergren & Stenson, 2000). Fish predators may also induce changes in body size and eye diameter (e.g.…”

Section: Introductionmentioning

confidence: 99%

Temperature‐ and predator‐induced phenotypic plasticity in Bosmina cornuta and B. pellucida (Crustacea: Cladocera)

Kappes¹,

Sinsch²

2002

Freshwater Biology

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“…Thus, information from samplings might cause underestimation of the impact of predation by the invertebrate predators which migrate downward and stay just above the bottom. Invertebrate predators affect prey populations not only by direct predation, but also through indirect ways such as releasing chemicals, which affect the morphology, behavior, and life history characteristics of prey (Hanazato, 1992(Hanazato, , 1998Lagergren & Stenson, 2000;Gilbert & Hampton, 2001;Chang & Hanazato, 2002). Thus, their abundance and vertical distribution patterns should be analyzed as accurately as possible for a better understanding of zooplankton dynamics in shallow lakes.…”

Section: Discussionmentioning

confidence: 99%

Diel vertical migrations of invertebrate predators (Leptodora kindtii ,Thermocyclops taihokuensis, andMesocyclops sp .) in a shallow, eutrophic lake

Chang

Hanazato

2004

Hydrobiologia

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We studied vertical distribution patterns of three invertebrate predators -Leptodora kindtii, Mesocyclops sp., and Thermocyclops taihokuensis -in a shallow eutrophic lake, Lake Suwa, Japan. From June to October in 2000 and 2001, we collected samples in the lake center in order to examine the vertical distribution patterns and the densities of the predators in the water column during the day (0900) and at night (2330). We also examined phototactic behavior of Leptodora in the laboratory. The three invertebrate predators showed clear migration patterns. Leptodora and Thermocyclops displayed a typical migration, avoiding the surface and maintaining a high abundance in deeper water during the day, and being distributed uniformly during the night. Mesocyclops, on the other hand, showed no clear vertical distribution pattern in the water column. However, Mesocyclops showed higher densities in the water column during the night than during the day. It suggests that they stayed just above the bottom during the day and migrated upward during the night. Leptodora also showed such a density difference between day and night. In the laboratory, Leptodora showed strong negative phototactic behavior. The observed density changes between day and night in Leptodora and Mesocyclops suggests the possible underestimation of their population density by usual sampling methods, and thus the impact of predation on populations of prey zooplankton species may also be underestimated in shallow water bodies.

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“…In the Eubosmina complex, the plasticity may be even greater than in Daphnia and the taxonomy of the group has for long been confused by the large morphological variation (DeMelo & Hebert, 1994;Lieder, 1996;Taylor et al, 2002). Several aspects of the morphological variation in the Eubosmina complex may be related to invertebrate predation, as shown in studies focusing on the morphologically extreme Bosmina (Eubosmina) coregoni gibbera Schoedler (Hellsten et al, 1999;Lagergren & Stenson, 2000;Lagergren et al, 2002;Lord et al, 2006). It seems as Bosmina may be an important target for studies on morphological diversification, rapid evolution, and speciation in freshwater organisms (Haney & Taylor, 2003).…”

Section: Introductionmentioning

confidence: 99%

Models of ontogenetic allometry in cladoceran morphology studies

Lagergren

Svensson²,

Stenson

2007

Hydrobiologia

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Ontogenetic variation of morphological traits in cladocerans is usually analysed by a simple allometry function. We found that common cyclomorphic and inducible traits in Bosmina and Daphnia sometimes deviate from simple allometry, however. Consequently, simple allometric analysis may at times be inadequate since important aspects of the ontogenetic development may not be revealed. We suggest that other allometric models should be used more extensively in ontogenetic studies of cladocerans morphology. Especially, complex allometric functions may help analyse the effects of sizeselective predation on morphological defence traits when predators prefer prey of intermediate size.

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Chemical cues from the invertebrate predator Leptodora kindtii affect the development of cyclomorphic traits in Eubosmina coregoni gibbera

Cited by 21 publications

References 17 publications

Temperature‐ and predator‐induced phenotypic plasticity in Bosmina cornuta and B. pellucida (Crustacea: Cladocera)

Temperature‐ and predator‐induced phenotypic plasticity in Bosmina cornuta and B. pellucida (Crustacea: Cladocera)

Diel vertical migrations of invertebrate predators (Leptodora kindtii ,Thermocyclops taihokuensis, andMesocyclops sp .) in a shallow, eutrophic lake

Models of ontogenetic allometry in cladoceran morphology studies

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