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Age structure of annual Nothobranchius fishes in Mozambique: is there a hatching synchrony?
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SYSNO ASEP 0358428 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Age structure of annual Nothobranchius fishes in Mozambique: is there a hatching synchrony? Tvůrce(i) Polačik, Matej (UBO-W) RID, SAI, ORCID
Donner, M. T. (DE)
Reichard, Martin (UBO-W) RID, ORCID, SAI, SAICelkový počet autorů 3 Zdroj.dok. Journal of Fish Biology. - : Wiley - ISSN 0022-1112
Roč. 78, č. 3 (2011), s. 796-809Poč.str. 14 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova age validation ; ecology ; killifishes ; south-east Africa ; temporary pools Vědní obor RIV EG - Zoologie CEP GA206/09/0815 GA ČR - Grantová agentura ČR CEZ AV0Z60930519 - UBO-W (2005-2011) UT WOS 000287920800008 EID SCOPUS 79952248037 DOI 10.1111/j.1095-8649.2010.02893.x Anotace In this study, the age structures of populations of African annual Nothobranchius fishes are examined for the first time. Daily increments in sagittal otoliths of N. furzeri, N. kadleci, N. orthonotus and N. rachovii were used for age determination. Four hypotheses were tested: 1) timing of hatching is consistent with the calendar onset of the rainy season, 2) hatching is synchronized within a population in a pool, 3) there is a difference in hatching date between geographical regions differing in mean total annual precipitation, and 4) sympatric Nothobranchius species hatch at the same time. The results show that daily increment analysis represents an applicable method for age determination in Nothobranchius spp. Timing of hatching was not consistent with the calendar onset of the rainy season. Hatching dates were relatively uniform in some populations, whilst there was considerable variability in others. Pracoviště Ústav biologie obratlovců Kontakt Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Rok sběru 2012
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