Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/7124687 |
| 报告编号 | COO-2502-7 |
| 来源ID | OSTI_ID: 7124687 |
| Physiological ecology of larval muskellunge and norlunge: temperature tolerance and growth rates under hatchery conditions. [Esox masquinongy, E. lucius] | |
| Bonin, J.D. | |
| 英文摘要 | Critical Thermal Maxima (CTM) and growth rates of larval muskellunge (Esox masquinongy) and norlunge (E. masquinongy female x E. lucius male) were determined under hatchery conditions. Two groups of fish were maintained at ambient water temperatures with natural photoperiod. Weekly water samples were collected to monitor the troughs. Parameters measured were dissolved oxygen, pH, and ammonia which were within normal limits. Norlunge had higher temperature tolerance and developed faster than muskellunge. CTM of larval norlunge (30.9/sup 0/ to 36.0/sup 0/C, anti X = 34.0/sup 0/C) were significantly different (P< 0.01) from those of muskellunge (29.9/sup 0/ to 35.6/sup 0/C, anti X = 32.8/sup 0/C). Both species exhibited a sharp decrease in CTM during swim-up, followed by a slow recovery period indicated by a general increase in CTM values. Both species steadily increased in length during development. Weight remained stable through swim-up, decreased with absorption of the yolk sac and then increased as the fry began to feed. The results obtained in this study indicate that both age and past thermal history had a significant effect on the temperature tolerance of muskellunge and norlunge fry. |
| 出版年 | 1976 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 59 BASIC BIOLOGICAL SCIENCES ; 54 ENVIRONMENTAL SCIENCES ; FISHES ; CRITICAL TEMPERATURE ; GROWTH ; TEMPERATURE EFFECTS ; LARVAE ; AGE DEPENDENCE ; AMMONIA ; BIOLOGICAL RECOVERY ; DAILY VARIATIONS ; OXYGEN ; PH VALUE ; ANIMALS ; AQUATIC ORGANISMS ; CRYOGENIC FLUIDS ; ELEMENTS ; FLUIDS ; HYDRIDES ; HYDROGEN COMPOUNDS ; NITROGEN COMPOUNDS ; NITROGEN HYDRIDES ; NONMETALS ; PHYSICAL PROPERTIES ; RECOVERY ; THERMODYNAMIC PROPERTIES ; TRANSITION TEMPERATURE ; VARIATIONS ; VERTEBRATES 550100* -- Behavioral Biology ; 520400 -- Environment, Aquatic-- Thermal Effluents Monitoring & Transport-- (-1989) |
| URL | http://www.osti.gov/scitech/servlets/purl/7124687 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/259752 |
| 推荐引用方式 GB/T 7714 | Bonin, J.D.. Physiological ecology of larval muskellunge and norlunge: temperature tolerance and growth rates under hatchery conditions. [Esox masquinongy, E. lucius],1976. |
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