摘要
泡桐原产于我国,以其超常的速生性、稀疏的树冠结构和适应性广、材质佳等重要特性,成为迅速提高森林覆被率与克服农林争地矛盾的受欢迎的树种,近二十多年来激起国内外浓厚的兴趣并广泛的引种。扩大泡桐生产要求对其生长发育与气候条件的关系有更深刻的理解。尽管近来我国在泡桐的分类、分布和特性等方面的研究上有重要进展,然而对各种泡桐的气候生态特性仍然了解不够。本文试图从地理分布与生长发育两方面定量地探讨泡桐的某些气候生态规律,提供林业气象依据。
In this paper, by analysing some forestry-climate indexes, the 9 speciesof Paulownia in China are divided into 2 climato-ecological types, the lowwarm index-middle rain coefficient type and the high warm index-high raincoefficient type. Even though the cold resistance are distinct among differentspecies of Paulownia, they require more water in growth period. Based on theanalysis of the phenological records from 28 locations in Cast China, a phe-nology-geographic model of Paulownia is set up, which shows that the dateof each phenophase varies regularly with the latitude, longitude, and altitude.The first date of flowering period in any place is related to the temperatureof certain period before the flowering.
出处
《林业科学》
EI
CAS
CSCD
北大核心
1993年第5期438-442,共5页
Scientia Silvae Sinicae
关键词
泡桐
气候生态型
物候期
Paulownia
Climato-ecological type
Phenophase
