气候变化研究快报  >> Vol. 4 No. 1 (January 2015)

鲁西南草本植物生长季及物候期持续日数对气候变化的响应
Response of Growing Period and Phenology Duration of Herbaceous Plants to Climate Change in Southwestern Shandong Province

DOI: 10.12677/CCRL.2015.41003, PDF, HTML, XML, 下载: 2,047  浏览: 8,188  科研立项经费支持

作者: 任崇勇, 张 婷, 李瑞英:菏泽市气象局,菏泽

关键词: 生长季气候变化草本植物鲁西南Growing Period Climate Change Herbaceous Plant Southwestern Shandong Province

摘要: 以鲁西南地区为研究对象,采用统计分析法研究5种草本植物生长季与物候期持续日数对气候变化的响应规律。结果表明:研究区的气温呈极显著上升(p < 0.01),降水量呈微弱增加趋势,日照时数明显下降。在此气候变化背景下,草本植物的春季物候持续期、秋季物候持续期和全生长季均相应延长,其中全生长季延长的趋势比较显著(p < 0.05)。物候持续期与气温和积温的相关性不明显,降水量和日照时数则对植物的某些物候持续期的影响显著(p < 0.05),而在植物全生长季的变化中,气温是主要的影响因子,随着年平均气温每升高1℃,植物生长季延长1.0~13.0 d,年平均最高气温每升高1℃,生长季延长4.0~10.0 d,年平均最低气温每升高1℃,生长季延长2.0~11.0 d。5种草本植物中,车前和芦苇对气候变化的响应最明显,其次是苍耳,莲对气候变化的响应则较迟钝,研究结果可为当地农时预报、农业气象服务提供参考。
Abstract: The response pattern of climate change on growing period and phenology duration of 5 herba- ceous plants was analyzed by using the statistical analysis methods in Southwestern Shandong Province. The results showed that the temperature had very significantly increasing tendency (p < 0.01), the precipitation had a little increase, the sunshine had very significantly decreased trend. Under the background of climate change, the spring phenology duration, autumn phenology du- ration and the whole growing period of herbaceous plant were all showed prolonged, especially the trend of growing period was more significant (p < 0.05). The phenology duration was no obvious correlation with temperature and accumulated temperature, the precipitation and sunshines had significant effect on some phenology (p < 0.05), the temperature was the important factor which impacted the growing period, the plant growing periods prolonged 1.0 - 13.0 d, 4.0 - 10.0 d and 2.0 - 11.0 d with mean temperature, mean maximum temperature, mean minimum temperature 1˚C increase, respectively. The Plantago asiatica and Phragmites communis were the being sensitive plants in 5 herbaceous plants, Xanthium sibiricum secondly, Nelumbo nucifera was most insensitive, the research results could reference for farming season prediction and agro-me- teorological services.

文章引用: 任崇勇, 张婷, 李瑞英. 鲁西南草本植物生长季及物候期持续日数对气候变化的响应[J]. 气候变化研究快报, 2015, 4(1): 25-31. http://dx.doi.org/10.12677/CCRL.2015.41003

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