期刊
HYDROBIOLOGIA
卷 796, 期 1, 页码 39-58出版社
SPRINGER
DOI: 10.1007/s10750-016-2725-7
关键词
Biodiversity; COI; Cryptic species; Evolution; ITS1; Phylogenetic comparative methods; Zooplankton
资金
- UTEP's Office of Research and Sponsored Projects
- College of Science, Department of Biological Sciences
- NSF DEB [1257068, 1257116]
- Direct For Education and Human Resources
- Division Of Undergraduate Education [0926721] Funding Source: National Science Foundation
- Division Of Environmental Biology
- Direct For Biological Sciences [1257068, 1257116] Funding Source: National Science Foundation
- Natural Environment Research Council [NE/B501298/1] Funding Source: researchfish
Understanding patterns and processes in biological diversity is a critical task given current and rapid environmental change. Such knowledge is even more essential when the taxa under consideration are important ecological and evolutionary models. One of these cases is the monogonont rotifer cryptic species complex Brachionus plicatilis, which is by far the most extensively studied group of rotifers, is widely used in aquaculture, and is known to host a large amount of unresolved diversity. Here we collate a dataset of previously available and newly generated sequences of COI and ITS1 for 1273 isolates of the B. plicatilis complex and apply three approaches in DNA taxonomy (i.e. ABGD, PTP, and GMYC) to identify and provide support for the existence of 15 species within the complex. We used these results to explore phylogenetic signal in morphometric and ecological traits, and to understand correlation among the traits using phylogenetic comparative models. Our results support niche conservatism for some traits (e.g. body length) and phylogenetic plasticity for others (e.g. genome size).
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