沙漠植被调节气温的生物学功能初步测定分析——以民勤沙区为例  

Preliminary Measurement and Analysis of the Biological Function of Desert Vegetation in Regulating Temperature——A case Study of Minqin Desert Area

作　　者：赵建梅 王晓燕 ZHAO Jianmei;WANG Xiaoyan(Baiyin Forestry and Grassland Bureau Baiyin,Gansu 730900)

机构地区：[1]白银市林业和草原局,甘肃白银730900

出　　处：《现代农业研究》2023年第9期41-44,共4页Modern Agriculture Research

基　　金：国家自然科学基金“甘肃民勤绿洲边缘积沙带形成的气候环境因素及其生态效应”(项目编号:41261102)。

摘　　要：国内外关于沙漠植物调节气温、平抑沙漠地区剧烈增温的研究目前尚属空白。本文运用民勤沙区5种植物群落的样方调查资料进行了初步测算。研究结果表明:沙漠植物具有调节沙漠气温、平抑气温剧变的生态功能,尤其是对减缓西北地区每年春季的沙尘暴具有沙障等物理固沙措施不可替代的生物学生态功能。森林地区空气湿度相对较大,气候相对稳定。沙漠地区气候干燥,气温变化较为剧烈。民勤绿洲边缘单位面积沙漠植被太阳辐射利用率虽然仅为5.8%,但其对调节当地沙漠气温具有不可忽视的重要意义。调节气温只是沙漠植物的生物环境交互功能之一。以往的荒漠植被的生态功能研究一般都只考虑防风、固沙阻沙功能,忽视了沙漠植被调节气温的功能,这是区别于沙障等物理治沙措施的生物改善生态措施。研究沙漠植物/植被的生物学生态功能,对于沙漠化防治具有重要的理论指导意义和实践使用价值。Until now the research is still blank of desert plants for adjustment the temperature and stabilize the dramatic warming at home and abroad.This paper made a preliminary estimation by survey data plots of 5 kinds of plant communities of Minqin desert area.The results show that:Desert plants have ecological functions for adjustment the temperature and stabilize drastic changes of temperature.Especially with biological ecological function for slowing the sandstorm in every spring in the northwest region,and it is irreplaceable by sand barrier and sand-fixing a so on physical measures.Forest area air humidity is relatively large,so the climate is relatively stable.Where the dry climate in the desert and thus the temperature change is more dramatic.Utilization of solar radiation of per unit area of desert vegetation in Minqin oasis fringe although only 5.8%of the vegetation utilization of 100%coverage,But its importance can not be ignored for the regulation of temperature in local desert.adjustment the temperature is just one of the ecological functions of biological desert plants.Previous studies of ecological functions on desert vegetation generally only consider the function sand-fixing of plants,and While ignoring the function of adjust temperature of desert vegetation.Research of biological and ecological functions of desert plants/vegetation has important theoretical and practical value,for desertification control.

关 键 词：固沙林 调节气温 生物学生态功能 沙尘暴 民勤沙区 

分 类 号：Q948.156[生物学—植物学]