COMBINED EFFECT OF TEMPERATURE AND FOOD CONCENTRATION ON THE FILTRATION AND CLARIFICATION RATES AND ASSIMILATION EFFICIENCY OF ATRINA TUBERCULOSA SOWERBY, 1835 (MOLLUSCA: BIVALVIA) UNDER LABORATORY CONDITIONS

被引：9

作者：

Nieves-Soto, Mario ^{[1
]}

Fernando-Bueckle Ramirez, Luis ^{[2
]}

Pina-Valdez, Pablo ^{[1
]}

Alejandra Medina-Jasso, Maria ^{[1
]}

Miranda-Baeza, Anselmo ^{[3
]}

Rafael Martinez-Cordova, Luis ^{[4
]}

Antonio Lopez-Elias, Jose ^{[4
]}

机构：

[1] Univ Autonoma Sinaloa, Fac Ciencias Mar, Lab Ecofisiol Organismos Acuat & Cult Apoyo, Mazatlan Sinaloa 82000, Mexico

[2] CICESE, Tijuana Ensenada Baja Ca 22860, Mexico

[3] Ctr Estudios Super Estado Sonora CESUES, Unidad Navojoa, Navojoa Sonora 85800, Mexico

[4] Univ Sonora, Dept Invest Cient & Tecnol DICTUS, Hermosillo 83000, Mexico

来源：

ARCHIVES OF BIOLOGICAL SCIENCES | 2013年 / 65卷 / 01期

关键词：

Atrina tuberculosa; filtration variables; temperature; microalgae concentration; CRASSOSTREA-CORTEZIENSIS HERTLEIN; ALGAL CONCENTRATION; CERASTODERMA-EDULE; SUSPENSION; GROWTH; VARIABILITY; PHYSIOLOGY;

D O I：

10.2298/ABS1301099N

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In Mexico, Atrina tuberculosa and other bivalve mollusks of commercial importance are intensively exploited, resulting in a drastic decline in their natural populations. This makes the ecophysiological studies of our native mollusks very important. The filtration and clarification rates, and the assimilation efficiency of Atrina tuberculosa at three temperatures (17, 22.5 and 28 degrees C) and three microalgae concentrations (20,000, 40,000 and 60,000 cell.mL(-1)) were evaluated under laboratory conditions. The data of each physiological variable were fit to a second-degree polynomial model by the method of square minimums to generate surface response graphs. The temperature and food concentration had a direct and synergic effect on the filtration and clarification rates of the species. The food concentration significantly affected the assimilation efficiency, which was observed to be the highest at the lowest food concentration. The filtration and clarification rates were lower at 17 degrees C as compared to 28 degrees C. No optimal values of assimilation efficiency were observed, which suggests that a wider range of temperatures and food concentration must be evaluated.

引用

页码：99 / 106

页数：8