Találati lista | Tudóstér

001-es BibID:	BIBFORM065122
035-os BibID:	(cikkazonosító)e0157890 (WOS)000378212400058 (Scopus)84976608142
Első szerző:	Takács Péter
Cím:	Repeatability, reproducibility, separative power and subjectivity of different fish morphometric analysis methods / Péter Takács, Zoltán Vitál, Árpád Ferincz, Ádám Staszny
Dátum:	2016
ISSN:	1932-6203
Megjegyzések:	We compared the repeatability, reproducibility (intra- and inter-measurer similarity), separative power and subjectivity (measurer effect on results) of four morphometric methods frequently used in ichthyological research, the "traditional" caliper-based (TRA) and trussnetwork (TRU) distance methods and two geometric methods that compare landmark coordinates on the body (GMB) and scales (GMS). In each case, measurements were performed three times by three measurers on the same specimen of three common cyprinidspecies (roach Rutilus rutilus (Linnaeus, 1758), bleak Alburnus alburnus (Linnaeus, 1758) and Prussian carp Carassius gibelio (Bloch, 1782)) collected from three closely-situated sites in the Lake Balaton catchment (Hungary) in 2014. TRA measurements were made on conserved specimens using a digital caliper, while TRU, GMB and GMS measurements were undertaken on digital images of the bodies and scales. In most cases, intra-measurer repeatability was similar. While all four methods were able to differentiate the source populations, significant differences were observed in their repeatability, reproducibility and subjectivity. GMB displayed highest overall repeatability and reproducibility and was least burdened by measurer effect. While GMS showed similar repeatability to GMB when fish scales had a characteristic shape, it showed significantly lower reproducability (compared with its repeatability) for each species than the other methods. TRU showed similar repeatability as the GMS. TRA was the least applicable method as measurements were obtained from the fish itself, resulting in poor repeatability and reproducibility. Although all four methods showed some degree of subjectivity, TRA was the only method where population-level detachment was entirely overwritten by measurer effect. Based on these results, we recommend a) avoidance of aggregating different measurer's datasets when using TRA and GMS methods; and b) use of image-based methods for morphometric surveys. Automation of the morphometric workflow would also reduce any measurer effect and eliminate measurementand data-input errors.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Plos One. - 11 : 6 (2016), e0157890, p. 1-16. -
További szerzők:	Vitál Zoltán (1986-) (hidrobiológus) Ferincz Árpád Staszny Ádám
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
Borító:
Saját polcon:

001-es BibID:	BIBFORM064273
Első szerző:	Takács Péter
Cím:	Population Genetic Patterns of Threatened European Mudminnow (Umbra krameri Walbaum, 1792) in a Fragmented Landscape : implications for Conservation Management / Péter Takács, Tibor Erős, András Specziár, Péter Sály, Zoltán Vitál, Árpád Ferincz, Tamás Molnár, Zoltán Szabolcsi, Péter Bíró, Eszter Csoma
Dátum:	2015
ISSN:	1932-6203
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:	Plos One. - 10 : 9 (2015), p. e0138640-[23]. -
További szerzők:	Erős Tibor Specziár András Sály Péter Vitál Zoltán (1986-) (hidrobiológus) Ferincz Árpád Molnár Tamás Szabolcsi Zoltán Bíró Péter Csoma Eszter (1978-) (molekuláris biológus, mikrobiológus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
Borító:
Saját polcon: