globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0094104
论文题名:
Correlated Evolution between Mode of Larval Development and Habitat in Muricid Gastropods
作者: Paula Pappalardo; Enrique Rodríguez-Serrano; Miriam Fernández
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2014
发表日期: 2014-4-8
卷: 9, 期:4
语种: 英语
英文关键词: Phylogenetics ; Larvae ; Latitude ; Ocean temperature ; Gastropods ; Nurses ; Phylogenetic analysis ; Sea water
英文摘要: Abstract Larval modes of development affect evolutionary processes and influence the distribution of marine invertebrates in the ocean. The decrease in pelagic development toward higher latitudes is one of the patterns of distribution most frequently discussed in marine organisms (Thorson's rule), which has been related to increased larval mortality associated with long pelagic durations in colder waters. However, the type of substrate occupied by adults has been suggested to influence the generality of the latitudinal patterns in larval development. To help understand how the environment affects the evolution of larval types we evaluated the association between larval development and habitat using gastropods of the Muricidae family as a model group. To achieve this goal, we collected information on latitudinal distribution, sea water temperature, larval development and type of substrate occupied by adults. We constructed a molecular phylogeny for 45 species of muricids to estimate the ancestral character states and to assess the relationship between traits using comparative methods in a Bayesian framework. Our results showed high probability for a common ancestor of the muricids with nonpelagic (and nonfeeding) development, that lived in hard bottoms and cold temperatures. From this ancestor, a pelagic feeding larva evolved three times, and some species shifted to warmer temperatures or sand bottoms. The evolution of larval development was not independent of habitat; the most probable evolutionary route reconstructed in the analysis of correlated evolution showed that type of larval development may change in soft bottoms but in hard bottoms this change is highly unlikely. Lower sea water temperatures were associated with nonpelagic modes of development, supporting Thorson's rule. We show how environmental pressures can favor a particular mode of larval development or transitions between larval modes and discuss the reacquisition of feeding larva in muricids gastropods.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0094104&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/20095
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Odum School of Ecology, University of Georgia, Athens, Georgia, United States of America;Centro de Conservación Marina, Departamento de Ecología, Pontificia Universidad Católica de Chile, Santiago, Chile;Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile;Centro de Conservación Marina, Departamento de Ecología, Pontificia Universidad Católica de Chile, Santiago, Chile

Recommended Citation:
Paula Pappalardo,Enrique Rodríguez-Serrano,Miriam Fernández. Correlated Evolution between Mode of Larval Development and Habitat in Muricid Gastropods[J]. PLOS ONE,2014-01-01,9(4)
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