Abundance and reproduction variables of two species of harpacticoid copepods along an increasing salinity gradient
| Autor: | Habib Ayadi, Mohammad Ali, Rayda Kobbi-Rebai, Sarah Al-Jutaili, Yousef Al-Enezi, Genuario Belmonte, Neila Annabi-Trabelsi, M.N.V. Subrahmanyam |
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| Rok vydání: | 2020 |
| Předmět: |
0106 biological sciences
Canuella perplexa 010604 marine biology & hydrobiology media_common.quotation_subject Aquatic Science Biology Positive correlation 010603 evolutionary biology 01 natural sciences Salinity Bryocamptus Animal science Abundance (ecology) Suspended matter Reproduction Ecology Evolution Behavior and Systematics Sex ratio media_common |
| Zdroj: | Aquatic Ecology. 54:387-400 |
| ISSN: | 1573-5125 1386-2588 |
| DOI: | 10.1007/s10452-020-09749-x |
| Popis: | Spatial and temporal complexities of reproductive behaviour and sex ratios of two harpacticoid species Canuella perplexa Scott T. & Scott A., 1893 and Bryocamptus sp. were evaluated monthly from September 2007 to August 2008. Collections were made from four ponds at different salinities in the solar saltern of Sfax, Tunisia, considering other environmental features as well. The salinities ranged from 38.0 to 86.1 psu. With rising salinity, the abundance of C. perplexa adults declined from 4550 ± 4160 ind m−3 (pond A1, salinity = 41.5 ± 2.3 psu) to 880 ± 780 ind m−3 (pond C31, salinity = 71.0 ± 4.3 psu). The abundance of Bryocamptus sp. adults increased from 3560 ± 2810 ind m−3 (A1) to 10,080 ± 6890 ind m−3 (C31). The abundance of total adults of C. perplexa was negatively correlated with both salinity (r = − 0.441, n = 18, p |
| Databáze: | OpenAIRE |
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