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Background. In taxonomic studies of fish, the use of preserved samples has been a common practice. Under the framework of morphometrics, the effect of the preservation techniques on body shape is rarely taken into account. Changes during preservation can cause errors in the results, which may eventually lead to wrong conclusions. To explore the effect of a traditional preservation procedure, we quantified...
The presently reported study provides length–weight relations of 14 fish species from mangrove swamps of La Paz Bay, Baja California Sur, México: Diapterus brevirostris (Sauvage, 1879); Eucinostomus currani Zahuranec, 1980; Eucinostomus dowii (Gill, 1863); Eucinostomus entomelas Zahuranec, 1980; Eucinostomus gracilis (Gill, 1862); Ctenogobius sagittula (Günther, 1862); Haemulopsis nitidus (Steindachner,...
Background. Although the species of the family Gerreidae have been subjected to many studies, their taxonomy at specific- and sometimes generic levels is still confusing. To contribute to the clarification of the taxonomy of the Mexican Pacific mojarras, the morphology of sagittal otoliths among six species of mojarras (Diapterus brevirostris, Eugerres lineatus, Eucinostomus dowii, E entomelas, E...
In this study, parameters of the length–weight relation (LWR) were estimated for fifteen species of Gerreidae (mojarras) caught from the Pacific- and Atlantic coast of Mexico, including the Gulf of California. The Pacific species were: Diapterus aureolus, Diapterus brevirostris, Eucinostomus currani, Eucinostomus dowii, Eucinostomus entomelas, Eucinostomus gracilis, Eugerres axillaris, Eugerres lineatus,...
Electric energy production with photovoltaic (PV)/thermal solar hybrid systems can be enhanced with the employment of a bifacial PV module. Experimental model of a PV/thermal hybrid system with such a module was constructed and studied. To make use of both active surfaces of the bifacial PV module, we designed and made an original water-heating planar collector and a set of reflecting planes. The...
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