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Ecological differentiation in cryptic rotifer species: what we can learn from the Brachionus plicatilis complex

In recent decades, the use of molecular techniques in rotifers has revealed the existence of many cryptic species. Although strong competition is expected among cryptic species, these species are often sympatric. Here, we present a review of sympatric cryptic rotifer species, focusing on those cases... Full description

Journal Title: Hydrobiologia 2016-03-30, Vol.796 (1), p.7-18
Main Author: Gabaldón, Carmen
Other Authors: Fontaneto, D , Carmona, M. J , Montero-Pau, J , Serra, M
Format: Electronic Article Electronic Article
Language: English
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Publisher: Cham: Springer International Publishing
ID: ISSN: 0018-8158
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title: Ecological differentiation in cryptic rotifer species: what we can learn from the Brachionus plicatilis complex
format: Article
creator:
  • Gabaldón, Carmen
  • Fontaneto, D
  • Carmona, M. J
  • Montero-Pau, J
  • Serra, M
subjects:
  • Biomedical and Life Sciences
  • Ecology
  • Ecosystem components
  • Freshwater & Marine Ecology
  • Life Sciences
  • Niche (Ecology)
  • Rotifera XIV
  • Usage
  • Zoology
ispartof: Hydrobiologia, 2016-03-30, Vol.796 (1), p.7-18
description: In recent decades, the use of molecular techniques in rotifers has revealed the existence of many cryptic species. Although strong competition is expected among cryptic species, these species are often sympatric. Here, we present a review of sympatric cryptic rotifer species, focusing on those cases in which niche differentiation has been investigated. There are at least 42 cryptic rotifer species complexes, and species coexistence is commonly reported. Ecological differentiation among cryptic species has been detected in several complexes. However, the only available information regarding mechanisms that allow cryptic species coexistence is for several species of the Brachionus plicatilis complex: B. plicatilis , B. ibericus , B. rotundiformis and B. manjavacas . According to these studies, when species differ in body size, niche differentiation is related to abiotic and biotic factors (e.g. the differential use of resources and vulnerability to predation). In contrast, if species are almost identical in body size, their biotic niches and competitive abilities are very similar, and niche differentiation is facilitated by the differences in the species responses to fluctuating, physical environment in combination with the divergence in life-history traits related to diapause. Further studies of additional cryptic rotifer species are essential to know the generality of these conclusions.
language: eng
source:
identifier: ISSN: 0018-8158
fulltext: no_fulltext
issn:
  • 0018-8158
  • 1573-5117
url: Link


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titleEcological differentiation in cryptic rotifer species: what we can learn from the Brachionus plicatilis complex
creatorGabaldón, Carmen ; Fontaneto, D ; Carmona, M. J ; Montero-Pau, J ; Serra, M
creatorcontribGabaldón, Carmen ; Fontaneto, D ; Carmona, M. J ; Montero-Pau, J ; Serra, M
descriptionIn recent decades, the use of molecular techniques in rotifers has revealed the existence of many cryptic species. Although strong competition is expected among cryptic species, these species are often sympatric. Here, we present a review of sympatric cryptic rotifer species, focusing on those cases in which niche differentiation has been investigated. There are at least 42 cryptic rotifer species complexes, and species coexistence is commonly reported. Ecological differentiation among cryptic species has been detected in several complexes. However, the only available information regarding mechanisms that allow cryptic species coexistence is for several species of the Brachionus plicatilis complex: B. plicatilis , B. ibericus , B. rotundiformis and B. manjavacas . According to these studies, when species differ in body size, niche differentiation is related to abiotic and biotic factors (e.g. the differential use of resources and vulnerability to predation). In contrast, if species are almost identical in body size, their biotic niches and competitive abilities are very similar, and niche differentiation is facilitated by the differences in the species responses to fluctuating, physical environment in combination with the divergence in life-history traits related to diapause. Further studies of additional cryptic rotifer species are essential to know the generality of these conclusions.
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subjectBiomedical and Life Sciences ; Ecology ; Ecosystem components ; Freshwater & Marine Ecology ; Life Sciences ; Niche (Ecology) ; Rotifera XIV ; Usage ; Zoology
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abstractIn recent decades, the use of molecular techniques in rotifers has revealed the existence of many cryptic species. Although strong competition is expected among cryptic species, these species are often sympatric. Here, we present a review of sympatric cryptic rotifer species, focusing on those cases in which niche differentiation has been investigated. There are at least 42 cryptic rotifer species complexes, and species coexistence is commonly reported. Ecological differentiation among cryptic species has been detected in several complexes. However, the only available information regarding mechanisms that allow cryptic species coexistence is for several species of the Brachionus plicatilis complex: B. plicatilis , B. ibericus , B. rotundiformis and B. manjavacas . According to these studies, when species differ in body size, niche differentiation is related to abiotic and biotic factors (e.g. the differential use of resources and vulnerability to predation). In contrast, if species are almost identical in body size, their biotic niches and competitive abilities are very similar, and niche differentiation is facilitated by the differences in the species responses to fluctuating, physical environment in combination with the divergence in life-history traits related to diapause. Further studies of additional cryptic rotifer species are essential to know the generality of these conclusions.
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