The Research on the content of chemical element of Pinus massoniana’s tree ring in Liuzhou;
柳州酸雨区马尾松年轮元素含量变化研究
Responses of Chinese pine tree ring in Shenyang suburb (Fu Mausoleum) to global temperature fluctuation;
沈阳福陵油松年轮对全球性气温波动的响应
Segmental rectification of tree ring photogrammetry;
树木年轮照片测量的区段校正
The characteristics of annual ring of Merremia boisiana (Gagn.
)的年轮特征,并探讨了它与温度等气候因子的关系。
It was found that the new annual ring began to appear mostly from April to June.
月鳢鳞片可作为年龄鉴定的依据,其年轮形成时期在4～6月。
Based on marginal increment analysis, it was demonstrated that the annulus in otoliths was formed once in a year, and the formation periods were from April to June and March to May in Honghu Lake and Dongting Lake, respectively.
对耳石边缘年轮形成周期进行了分析。
The study of growth rings of fossil woods observed from Yixian Formation of Lower Cretaceous in Western Liaoning Province shows that the growth rings of fossil woods,present or absent, exhibit the climate change with seasons.
对辽宁省西部下白垩统义县组化石木年轮的研究表明,明显清晰的年轮反映了当时的气候具有明显的季节性特征;连续年轮宽度的变化情况表明当时的气候波动强烈,反映了干旱—半干旱的波动特点;义县组各种化石木的平均敏感度(MS)在0～0。
The characteristics of annuli on scale, otolith, vertebra and dorsal fin spine were examined and compared in weakspine schizothoracin (Schizopygopsis malacanthus) Herzenstein.
检测并比较了软刺裸裂尻鱼(Schizopygopsis malacanthus)鳞片、耳石、脊椎骨和背鳍条的年轮特征。