intolerant tree

基本解释

The results indicate that the composition of regeneration population is a mixture of shade-tolerant and intolerant tree species.
结果表明，风灾迹地更新种群是由耐荫的红松、冷杉、鱼鳞云杉和阳性树种白桦、山杨、大青杨、大黄柳、落叶松等的混合；
Percentage, relative density and importance values of tree species and intolerant tree and shrub species increased while slope gradient from lower to upper.
灌木层中乔木树种和阳性乔灌木种类比例、相对密度和重要值均随坡位梯度从下部到上部逐渐增大。
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Seedling-raising intolerant tree species were neglected in the region. It is very important to seedling-raising intolerant tree species for develop forest resource in the nature reserve.
为了加快三江源玛可河自然保护区恢复森林资源步伐，培育适宜当地生长良好的阳性树种对于全面发展本区造林具有重要意义。