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Nutritional stress causes heterogeneous relationships with multi-trait FA in lesser black-backed gull chicks : an aviary experiment

Trisha Gupta, Cátia Sofia Andrade Dos Santos (UGent) , Alejandro Sotillo, Liesbeth De Neve (UGent) , Eric WM Stienen, Wendt Müller and Luc Lens (UGent)
(2016) SYMMETRY-BASEL. 8(11).
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Abstract
Environmental stressors have the potential to induce perturbations in the development of young individuals, leading to aberrant and unstable development. This may manifest as fluctuating asymmetry (FA; small, non-directional changes in the bilateral symmetry of morphological traits). Although widely regarded as a proxy for stress effects, the use of FA as a biomarker is still a topic of much debate. We investigated the applicability of FA as an indicator of nutritional stress (brought about by energetic constraints) by experimental manipulation of the diet composition and quantity during the growth of Lesser Black-backed Gull (Larus fuscus) chicks. FA as an endpoint was measured across the tarsus, wing and 10th primary feather when chicks reached 30 days of age. Although levels of asymmetry were found to increase with stress in the feather, relationships with tarsus and wing FA were mixed and mostly non-significant. Furthermore, we did not find any correlations in unsigned FA between traits, indicating the absence of organism-wide asymmetry. Our study was therefore unable to find unequivocal evidence in support of the application of FA as a reliable estimator of nutritional stress.
Keywords
FLUCTUATING ASYMMETRY, DEVELOPMENTAL STABILITY, CONSERVATION BIOLOGY, INDICATOR, FITNESS, QUALITY, AVAILABILITY, PATTERNS, EXPOSURE, FEATHERS, fluctuating asymmetry, Larus fuscus, nutritional stress, energetic, constraints, biomarkers

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MLA
Gupta, Trisha, et al. “Nutritional Stress Causes Heterogeneous Relationships with Multi-Trait FA in Lesser Black-Backed Gull Chicks : An Aviary Experiment.” SYMMETRY-BASEL, vol. 8, no. 11, 2016, doi:10.3390/sym8110133.
APA
Gupta, T., Andrade Dos Santos, C. S., Sotillo, A., De Neve, L., Stienen, E. W., Müller, W., & Lens, L. (2016). Nutritional stress causes heterogeneous relationships with multi-trait FA in lesser black-backed gull chicks : an aviary experiment. SYMMETRY-BASEL, 8(11). https://doi.org/10.3390/sym8110133
Chicago author-date
Gupta, Trisha, Cátia Sofia Andrade Dos Santos, Alejandro Sotillo, Liesbeth De Neve, Eric WM Stienen, Wendt Müller, and Luc Lens. 2016. “Nutritional Stress Causes Heterogeneous Relationships with Multi-Trait FA in Lesser Black-Backed Gull Chicks : An Aviary Experiment.” SYMMETRY-BASEL 8 (11). https://doi.org/10.3390/sym8110133.
Chicago author-date (all authors)
Gupta, Trisha, Cátia Sofia Andrade Dos Santos, Alejandro Sotillo, Liesbeth De Neve, Eric WM Stienen, Wendt Müller, and Luc Lens. 2016. “Nutritional Stress Causes Heterogeneous Relationships with Multi-Trait FA in Lesser Black-Backed Gull Chicks : An Aviary Experiment.” SYMMETRY-BASEL 8 (11). doi:10.3390/sym8110133.
Vancouver
1.
Gupta T, Andrade Dos Santos CS, Sotillo A, De Neve L, Stienen EW, Müller W, et al. Nutritional stress causes heterogeneous relationships with multi-trait FA in lesser black-backed gull chicks : an aviary experiment. SYMMETRY-BASEL. 2016;8(11).
IEEE
[1]
T. Gupta et al., “Nutritional stress causes heterogeneous relationships with multi-trait FA in lesser black-backed gull chicks : an aviary experiment,” SYMMETRY-BASEL, vol. 8, no. 11, 2016.
@article{8517921,
  abstract     = {{Environmental stressors have the potential to induce perturbations in the development of young individuals, leading to aberrant and unstable development. This may manifest as fluctuating asymmetry (FA; small, non-directional changes in the bilateral symmetry of morphological traits). Although widely regarded as a proxy for stress effects, the use of FA as a biomarker is still a topic of much debate. We investigated the applicability of FA as an indicator of nutritional stress (brought about by energetic constraints) by experimental manipulation of the diet composition and quantity during the growth of Lesser Black-backed Gull (Larus fuscus) chicks. FA as an endpoint was measured across the tarsus, wing and 10th primary feather when chicks reached 30 days of age. Although levels of asymmetry were found to increase with stress in the feather, relationships with tarsus and wing FA were mixed and mostly non-significant. Furthermore, we did not find any correlations in unsigned FA between traits, indicating the absence of organism-wide asymmetry. Our study was therefore unable to find unequivocal evidence in support of the application of FA as a reliable estimator of nutritional stress.}},
  articleno    = {{133}},
  author       = {{Gupta, Trisha and Andrade Dos Santos, Cátia Sofia and Sotillo, Alejandro and De Neve, Liesbeth and Stienen, Eric WM and Müller, Wendt and Lens, Luc}},
  issn         = {{2073-8994}},
  journal      = {{SYMMETRY-BASEL}},
  keywords     = {{FLUCTUATING ASYMMETRY,DEVELOPMENTAL STABILITY,CONSERVATION BIOLOGY,INDICATOR,FITNESS,QUALITY,AVAILABILITY,PATTERNS,EXPOSURE,FEATHERS,fluctuating asymmetry,Larus fuscus,nutritional stress,energetic,constraints,biomarkers}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{12}},
  title        = {{Nutritional stress causes heterogeneous relationships with multi-trait FA in lesser black-backed gull chicks : an aviary experiment}},
  url          = {{http://doi.org/10.3390/sym8110133}},
  volume       = {{8}},
  year         = {{2016}},
}
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