期刊
MOLECULAR ECOLOGY RESOURCES
卷 17, 期 4, 页码 694-707出版社
WILEY
DOI: 10.1111/1755-0998.12617
关键词
beta diversity; biological species; parataxonomy; spider; taxonomy
资金
- ERA-Net Net-Biome
- Canary Island Government ACIISI [SE-12/02, SE-12/04]
- FEDER
- Portuguese FCT-NETBIOME [0003/2011]
- French ANR-NETBIOME [11-EBIM-001-01]
- Region Reunion council
- Universite de La Reunion [DGADD/PE/20120585]
- Spanish MINECO [CGL2013-42589-P]
- Spanish MAGRAMA from the Organismo Autonomo Parques Nacionales [S20141203_002597]
- Fundação para a Ciência e a Tecnologia [NETBIOME/0003/2011] Funding Source: FCT
Obtaining fundamental biodiversity metrics such as alpha, beta and gamma diversity for arthropods is often complicated by a lack of prior taxonomic information and/or taxonomic expertise, which can result in unreliable morphologically based estimates. We provide a set of standardized ecological and molecular sampling protocols that can be employed by researchers whose taxonomic skills may be limited, and where there may be a lack of robust a priori information regarding the regional pool of species. These protocols combine mass sampling of arthropods, classification of samples into parataxonomic units (PUs) and selective sampling of individuals for mtDNA sequencing to infer biological species. We sampled ten lowland rainforest plots located on the volcanic oceanic island of Reunion (Mascarene archipelago) for spiders, a group with limited taxonomic and distributional data for this region. We classified adults and juveniles into PUs and then demonstrated the reconciliation of these units with presumed biological species using mtDNA sequence data, ecological data and distributional data. Because our species assignment protocol is not reliant upon prior taxonomic information, or taxonomic expertise, it minimizes the problem of the Linnean shortfall to yield diversity estimates that can be directly compared across independent studies. Field sampling can be extended to other arthropod groups and habitats by adapting our field sampling protocol accordingly.
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