Implications of poor taxonomy in conservation

Ely, Cleusa Vogel; Bordignon, Sérgio Augusto de Loreto; Trevisan, Rafael; Boldrini, Ilsi Iob

doi:10.1016/j.jnc.2017.01.003

Cited by 83 publications

(37 citation statements)

References 24 publications

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“…These factors raise the importance of developing a system whereby access to information regarding conservation status and biomonitoring of species can be increased. This is especially compelling given the rapid decrease of professional taxonomists in Brazil [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

DNA barcoding of odonates from the Upper Plata basin: Database creation and genetic diversity estimation

et al. 2017

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We present a DNA barcoding study of Neotropical odonates from the Upper Plata basin, Brazil. A total of 38 species were collected in a transition region of “Cerrado” and Atlantic Forest, both regarded as biological hotspots, and 130 cytochrome c oxidase subunit I (COI) barcodes were generated for the collected specimens. The distinct gap between intraspecific (0–2%) and interspecific variation (15% and above) in COI, and resulting separation of Barcode Index Numbers (BIN), allowed for successful identification of specimens in 94% of cases. The 6% fail rate was due to a shared BIN between two separate nominal species. DNA barcoding, based on COI, thus seems to be a reliable and efficient tool for identifying Neotropical odonate specimens down to the species level. These results underscore the utility of DNA barcoding to aid specimen identification in diverse biological hotspots, areas that require urgent action regarding taxonomic surveys and biodiversity conservation.

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Section: Introductionmentioning

confidence: 99%

DNA barcoding of odonates from the Upper Plata basin: Database creation and genetic diversity estimation

et al. 2017

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“…Species concepts are extensively debated (De Queiroz, 2007), and so defining which populations should be recognized as distinct taxa, and therefore added to and assessed on species lists, such as the IUCN Red List and the Convention on International Trade in Endangered Species (CITES), can be difficult. However, this endeavor is necessary because 'species' are critical units for wider conservation planning and legislation (Mace, 2004;Ely et al, 2017).…”

Section: Taxonomymentioning

confidence: 99%

“…A recent and ensuing debate about approaches to global taxonomy, especially regarding conservation practices, is bringing this issue to the forefront of the conservation priorities (Garnett and Christidis, 2017;Hollingsworth, 2017;Lambertz, 2017;Thomson et al, 2018). With many articles calling for more recognition, funding and training for taxonomic research (Mace, 2004;Ely et al, 2017), we hope to see a renewed vigor in the field of systematics given its relevance for applied conservation.…”

Section: Taxonomymentioning

confidence: 99%

Future Directions in Conservation Research on Petrels and Shearwaters

Arcos²,

et al. 2019

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Shearwaters and petrels (hereafter petrels) are highly adapted seabirds that occur across all the world's oceans. Petrels are a threatened seabird group comprising 124 species. They have bet-hedging life histories typified by extended chick rearing periods, low fecundity, high adult survival, strong philopatry, monogamy and long-term mate fidelity and are thus vulnerable to change. Anthropogenic alterations on land and at sea have led to a poor conservation status of many petrels with 52 (42%) threatened

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“…Methodological advances in species delimitation, e.g., approaches based on the multi-species coalescent (see [6,7]) have been successfully incorporated in several studies on species delimitation in clitellate annelids e.g., [8][9][10][11][12]. A precise determination of species boundaries is important, not just for our understanding of the diversity of species, but also for their conservation e.g., [13][14][15]. There are also several cases where cryptic species within a species complex have been found to differ in important aspects of their biology, such as their response to pollutants [16,17], predation risk [18], host preferences [19,20], and habitat preferences [15,21,22].…”

Section: Introductionmentioning

confidence: 99%

Testing species hypotheses for Fridericia magna, an enchytraeid worm (Annelida: Clitellata) with great mitochondrial variation

2020

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Background Deep mitochondrial divergences were observed in Scandinavian populations of the terrestrial to semi-aquatic annelid Fridericia magna (Clitellata: Enchytraeidae). This raised the need for testing whether the taxon is a single species or a complex of cryptic species. Results A total of 62 specimens from 38 localities were included in the study, 44 of which were used for species delimitation. First, the 44 specimens were divided into clusters using ABGD (Automatic Barcode Gap Discovery) on two datasets, consisting of sequences of the mitochondrial markers COI and 16S. For each dataset, the worms were divided into six not completely congruent clusters. When they were combined, a maximum of seven clusters, or species hypotheses, were obtained, and the seven clusters were used as input in downstream analyses. We tested these hypotheses by constructing haplowebs for two nuclear markers, H3 and ITS, and in both haplowebs the specimens appeared as a single species. Multi-locus species delimitation analyses performed with the Bayesian BPP program also mainly supported a single species. Furthermore, no apparent morphological differences were found between the clusters. Two of the clusters were partially separated from each other and the other clusters, but not strongly enough to consider them as separate species. All 62 specimens were used to visualise the Scandinavian distribution, of the species, and to compare with published COI data from other Fridericia species. Conclusion We show that the morphospecies Fridericia magna is a single species, harbouring several distinct mitochondrial clusters. There is partial genetic separation between some of them, which may be interpreted as incipient speciation. The study shows the importance of rigorous species delimitation using several independent markers when deep mitochondrial divergences might give the false impression of cryptic speciation.

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Implications of poor taxonomy in conservation

Cited by 83 publications

References 24 publications

DNA barcoding of odonates from the Upper Plata basin: Database creation and genetic diversity estimation

DNA barcoding of odonates from the Upper Plata basin: Database creation and genetic diversity estimation

Future Directions in Conservation Research on Petrels and Shearwaters

Testing species hypotheses for Fridericia magna, an enchytraeid worm (Annelida: Clitellata) with great mitochondrial variation

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