| 汉江中下游“四大家鱼”自然繁殖的生态水文特征 |
| Eco-hydrological Characterictics of Four Major Chinese Carps on Nature Spawning Conditions in the Mid-lower Hanjiang River |
| 投稿时间：2009-03-05 |
| DOI： |
| 中文关键词:“四大家鱼” 汉江 繁殖生态 水文特征 |
| 英文关键词:four major Chinese carps Hanjiang River breeding ecology hydrological characteristics |
| 基金项目: |
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| 摘要点击次数: 1901 |
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| 中文摘要: |
| 通过耦合分析２００４年和２００７年沙洋水文资料与汉江沙洋断面鱼类早期资源量监测数据，汉江中下游“四大家鱼”自然繁殖的生态水文需求为沙洋断面洪峰初始水位达到３３．８２～３６．７１ｍ，洪峰最高水位３６．８６～３９．８０ｍ，上涨时间持续３～８ｄ，水位日上涨率达到０．４４～１．５０ｍ／ｄ，水位上涨幅度１．５５～３．１４ｍ。结合黄家港与沙洋断面水文数据，分析发现“四大家鱼”自然繁殖对不同洪水来源有不同的响应，其产卵主要依赖区间洪水，丹江口水库现状调度形成的洪水过程对其作用有限。此外，“四大家鱼”自然繁殖与洪水过程中水体透明度存在相关性，汉江中下游“四大家鱼”自然繁殖的透明度范围在５．１～１４．５ｃｍ，透明度与洪水来源直接相关，透明度指标可以作为“四大家鱼”自然繁殖的重要指标之一。
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| 英文摘要: |
| By coupled analyzing the relationships between hydrology data and fish larval resources of Shayang section in 2004 and 2007, the study revealed the demand of eco-hydrology of four major Chinese carps on nature spawning conditions in the mid-lower Hanjiang River： peek starting water level is 33.82 -36.71 re,peek top level is 36.86 -39.8 re,rising duration is 0.44 -1.50 m/d,water rising range is 1.55 -3.14 m. Combined with the hydrology data of Huangjiagang and Shayang sections, The paper analyzed the selective of spawning to floods. Spawning of four major Chinese carps depend on the Floods from branch. Water clarity may be the limiting factor of spawning, the threshold is between 5.1 - 14.5 cm. Perhaps the water clarity is one of the important indicator indexs for spawning of four major Chinese carps. |
| 张晓敏,黄道明,谢文星,冯瑞萍,杨汉运,胡望斌.2009.汉江中下游“四大家鱼”自然繁殖的生态水文特征[J].水生态学杂志,30(2):126-129. |
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