دورية أكاديمية
Ecosystem effects of intraspecific variation in a colour polymorphic amphibian.
| العنوان: | Ecosystem effects of intraspecific variation in a colour polymorphic amphibian. |
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| المؤلفون: | Giery ST; Department of Biology, Ohio University, Athens, OH 45701, USA., Sloan RK; Department of Biology, Appalachian State University, Boone, NC 28608, USA., Watson J; Department of Biology, Appalachian State University, Boone, NC 28608, USA., Groesbeck A; Department of Biology, Appalachian State University, Boone, NC 28608, USA., Davenport JM; Department of Biology, Appalachian State University, Boone, NC 28608, USA. |
| المصدر: | Proceedings. Biological sciences [Proc Biol Sci] 2024 Apr 10; Vol. 291 (2020), pp. 20240016. Date of Electronic Publication: 2024 Apr 03. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Royal Society of London Country of Publication: England NLM ID: 101245157 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1471-2954 (Electronic) Linking ISSN: 09628452 NLM ISO Abbreviation: Proc Biol Sci Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: London : Royal Society of London, c1990- |
| مواضيع طبية MeSH: | Ecosystem* , Dissolved Organic Matter*, Animals ; Female ; Color ; Ambystoma ; Larva |
| مستخلص: | An emerging consensus suggests that evolved intraspecific variation can be ecologically important. However, evidence that evolved trait variation within vertebrates can influence fundamental ecosystem-level processes remains sparse. In this study, we sought to assess the potential for evolved variation in the spotted salamander ( Ambystoma maculatum ) to affect aquatic ecosystem properties. Spotted salamanders exhibit a conspicuous polymorphism in the colour of jelly encasing their eggs-some females produce clear jelly, while others produce white jelly. Although the functional significance of jelly colour variation remains largely speculative, evidence for differences in fecundity and the morphology of larvae suggests that the colour morphs might differ in the strength or identity of ecological effects. Here, we assessed the potential for frequency variation in spotted salamander colour morphs to influence fundamental physiochemical and ecosystem properties-dissolved organic carbon, conductivity, acidity and primary production-with a mesocosm experiment. By manipulating colour morph frequency across a range of larval densities, we were able to demonstrate that larva density and colour morph variation were ecologically relevant: population density reduced dissolved organic carbon and increased primary production while mesocosms stocked with white morph larvae tended to have higher dissolved organic carbon and conductivity. Thus, while an adaptive significance of jelly coloration remains hypothetical, our results show that colour morphs differentially influence key ecosystem properties-dissolved organic carbon and conductivity. |
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| فهرسة مساهمة: | Keywords: Ambystoma maculatum; dissolved organic carbon; eco-evolutionary feedback; trait-mediated effect; trophic cascade |
| المشرفين على المادة: | 0 (Dissolved Organic Matter) |
| تواريخ الأحداث: | Date Created: 20240402 Date Completed: 20240404 Latest Revision: 20240406 |
| رمز التحديث: | 20240406 |
| مُعرف محوري في PubMed: | PMC10987232 |
| DOI: | 10.1098/rspb.2024.0016 |
| PMID: | 38565157 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1471-2954 |
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| DOI: | 10.1098/rspb.2024.0016 |