Both the stoichiometric characteristics and leaf functional traits can reflect the adaptability of plants to changes in the external living environment.In particular,for varying aged forest plants,the study of stoichi...Both the stoichiometric characteristics and leaf functional traits can reflect the adaptability of plants to changes in the external living environment.In particular,for varying aged forest plants,the study of stoichiometric characteristics and leaf functional traits can reflect the plant’s life history strategy and its resource investment and allocation methods.In this paper,the 1.5-year-old,5-year-old,15-year-old and 20-year-old Castanopsis hystrix were selected as the research objects to investigate the trends of stoichiometry and leaf functional traits,and their synergistic changes were verified.The results showed that with the increase of age,the stability of C.hystrix stoichiometry gradually increased,and the functional traits also tended to invest in security.However,there was no synergistic change between the two,which might be attributed to the different sensitivity of the C.hystrix leaf to the environment at the life history level of 1.5-year-old to 20-year-old.展开更多
以福建省淋漓锥[Castanopsis uraiana(Hayata)Kanehira et Hatusima]种子为研究对象,研究不同贮种方法和处理对种子萌发的影响,观察记录苗木生长过程的变化。研究表明,自然干燥储藏的种子直接播种出苗率仅为5%;自然干燥储藏,播种前温水...以福建省淋漓锥[Castanopsis uraiana(Hayata)Kanehira et Hatusima]种子为研究对象,研究不同贮种方法和处理对种子萌发的影响,观察记录苗木生长过程的变化。研究表明,自然干燥储藏的种子直接播种出苗率仅为5%;自然干燥储藏,播种前温水浸种24 h后播种的种子出苗率为21%;沙藏的种子出苗率则高达92%。沙藏下的淋漓锥种子出苗率最高。展开更多
基金Provincial Science and Technology Research Project of Guangdong(2014KJcx022).
文摘Both the stoichiometric characteristics and leaf functional traits can reflect the adaptability of plants to changes in the external living environment.In particular,for varying aged forest plants,the study of stoichiometric characteristics and leaf functional traits can reflect the plant’s life history strategy and its resource investment and allocation methods.In this paper,the 1.5-year-old,5-year-old,15-year-old and 20-year-old Castanopsis hystrix were selected as the research objects to investigate the trends of stoichiometry and leaf functional traits,and their synergistic changes were verified.The results showed that with the increase of age,the stability of C.hystrix stoichiometry gradually increased,and the functional traits also tended to invest in security.However,there was no synergistic change between the two,which might be attributed to the different sensitivity of the C.hystrix leaf to the environment at the life history level of 1.5-year-old to 20-year-old.
文摘以福建省淋漓锥[Castanopsis uraiana(Hayata)Kanehira et Hatusima]种子为研究对象,研究不同贮种方法和处理对种子萌发的影响,观察记录苗木生长过程的变化。研究表明,自然干燥储藏的种子直接播种出苗率仅为5%;自然干燥储藏,播种前温水浸种24 h后播种的种子出苗率为21%;沙藏的种子出苗率则高达92%。沙藏下的淋漓锥种子出苗率最高。
