重庆夏季展览温室植物对高温高湿的生态响应研究

对重庆南山植物园展览温室4个展区的主要生态因子和引种的1 000余种植物在夏季的生态响应与适应进行了系统的调查研究,结果表明:由于人为控制的原因,展览温室生态条件得到很好改良,绝大多数植物生长正常.其中热带雨林景观区植物长势良好;四季花卉园区和多肉多浆展示区植物生存受影响不大;但亚高山展示区温度仍然过高,受热害植物约49种,占该区植物种数的26.8％,极不适应者死亡.

On Chongqing Exhibition Greenhouse Plants: Their Ecological Response to High Temperature and High Humidity in Summer

A systematic investigation has been conducted of thr main ecological factors and more than 1000 spacies of the introduced plants in the four sections of the exhibition greenhouses of Chongqing Nanshan Botanical Garden on their ecological response and adaptability.As is illustrated in the outcome of the research,most plants grow normally due to the improved ecological conditions of exhibition greenhouse under the human control.The plants in tropical rain forest exhibition section grew well;Plants in ever-flower plant exhibition section and succulent plant exhibition section are affected very little.However,the temperature of subalpine exhibition section was still too high.About 49 species of plants are affected by the high heat,which accounts for 26.8% of the total species there.Some even die.