旅游开发对景观边缘植物溢出效应的影响

被引:5
作者
刘炳亮 [1 ]
苏金豹 [2 ]
马建章 [3 ]
机构
[1] 鲁东大学商学院
[2] 东北林业大学经济管理学院
[3] 东北林业大学野生动物资源学院
关键词
植物运动生态学; 旅游干扰; 溢出效应; 生物多样性保护;
D O I
暂无
中图分类号
Q948 [植物生态学和植物地理学];
学科分类号
071012 ; 0713 ;
摘要
人类活动导致的景观改变能形成大量的生境缀块和边缘结构,对植物扩散产生重要影响。以植物个体运动生态学——种子扩散模式作为分类依据,对兴凯湖自然保护区游憩带与非游憩带、交通廊道与非交通廊道中动物扩散物种、风扩散物种、无助力扩散物种(包括重力扩散、弹射扩散等短距离扩散的物种)以及全部物种的边缘溢出效应分别进行对比分析。结果显示,游憩带动物扩散物种和全部物种的边缘溢出效应均明显弱于非游憩带;而风扩散物种在游憩带和非游憩带均有大量溢出;无助力扩散物种在这两个实验区的溢出效应均不明显。交通廊道中动物扩散物种的溢出效应显著弱于非交通廊道,但风扩散物种却明显强于非交通廊道;无助力扩散物种在两种廊道类型中同样只有少量溢出,且距离相对较短;总体溢出效应并未发现显著差异。这些结果表明,旅游开发对植物运动生态学产生了影响,最终导致了溢出效应的改变。
引用
收藏
页码:3653 / 3660
页数:8
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