气候变化对中国大兴安岭森林演替动态的影响

被引：30

作者：

程肖侠

延晓冬

机构：

[1] 中国科学院大气物理研究所东亚区域气候-环境重点实验室

来源：

生态学杂志 | 2007年 / 08期

关键词：

FAREAST; 大兴安岭; 气候变化; 火干扰; 森林演替;

D O I：

10.13292/j.1000-4890.2007.0230

中图分类号：

S718.5 [森林生态学];

学科分类号：

摘要：

应用森林生长演替动态模型-FAREAST,在气候变化背景下对大兴安岭漠河林区森林的演替动态进行了模拟。模拟选择了目前气候情景、增暖情景、温度和降水都增加情景3种气候情景,并考虑了气候变化引起的火干扰变化对森林演替的影响。结果表明:维持目前气候不变,兴安落叶松(Larix gmelini)将继续作为绝对优势树种,樟子松(Pinussylvestris var.mongolica)、桦树(Betula)、杨树(Populus)伴生其中;气候发生变化,东北森林带将有北移的趋势,大兴安岭将可能以温带针阔混交林为主,森林群落中出现红松(P.koraiensis)、蒙古栎(Quercus mongolica)、椴树(Tilia)等树种;火干扰影响森林生物量及森林的物种组成和结构。

引用

页码：1277 / 1284

页数：8

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