| 张海燕，刘 彬.近50 年博斯腾湖小湖区芦苇资源量消长变化及主要驱动因素[J].广东农业科学,2015,42(9):154-159 |
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近50 年博斯腾湖小湖区芦苇资源量消长变化及主要驱动因素 |
| Resources changes of Pragmites australis and its impact factorsin small lake of Bosten Lake in recent 50 years |
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| DOI： |
| 中文关键词: 芦苇 资源量 影响因子 博斯腾湖小湖区 |
| 英文关键词: Pragmites australis resources quantity impact factors small lake in Bosten Lake |
| 基金项目: |
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| 摘要点击次数: 1605 |
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| 中文摘要: |
| ：以新疆博斯腾湖小湖区为研究区，在查阅相关文献资料的基础上，通过野外实地补充调查，分析了
小湖区1958—2010 年芦苇（Pragmites australis）产量、面积及质量的变化特点及主要影响因子。结果表明，近50
年博斯腾湖小湖区芦苇产量呈现先下降后缓慢增加的趋势，芦苇分布面积也经历了先变小后变大的过程；总体
上芦苇资源呈现衰退趋势，一、二、三类芦苇面积减少，四类芦苇面积增加；水位（x）与芦苇产量（y）呈极显著
相关关系，1958—1982 年，芦苇产量与水位的回归方程为y = -4.9526x2+10379x-5E+06（R = 0.88），1983—2010 年，
芦苇产量与水位的回归方程为y = -0.507x2+1062.8x-556910（R = 0.78）；地下水埋深与芦苇生长关系密
切，地下水埋深为1.97 m 时，芦苇生长最快。矿化度（x）和芦苇产量（y）呈极显著相关关系，其回归方程为
y = -12.39x2+32.033x-5.6795（R=-0.84）。 |
| 英文摘要: |
| Taking the small lake in Bosten Lake of Xinjiang as study area，based on relevant literature review andfield surveys，the change characteristics of Pragmites australis yield，area and quality，and the main impact factorsof these changes in recent 50 years（from 1958 to 2010）were analyzed. The results showed that the P. australis yieldof the small lake in Bosten Lake had a slowly increasing trend after its first drop in recent 50 years，while the P.australis distribution area had a trend with expansion followed by shrinkage. There was an overall declining trendin P. australis resources，the P. australis distribution area of the first，second and third grade all reduced，whilethe distribution area of the fourth grade of P. australis increased. There was a significant correlation betweenP. australis yield and water level. From 1958 to 1982，the regression equation was y=-4.9526x2+10379x-5E+06（R=0.88）；from 1983 to 2010，the regression equation was y=-0.507x2+1062.8x-556910（R=0.78）. There was aclose relationship between P. australis growth and groundwater level，the growth rate was the highest at the groundwaterlevel of 1.97 meters. There was a significant correlation between mineralization of water and P. australis yield，theregression equation was y=-12.39x2+32.033x-5.6795（R=-0.84）. |
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