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In the difference stage of its live cycle,he habitat of the xerophilous plant exist dissimilarities in water factor, Studing the phenomenon of the dissimilar habitat in its live cycle, the diversity of the relation of xerophytes and its environment will be understanded.
我国干旱区一些耐旱乔灌树种,其成株适应干旱能力极强,但其种子萌发及幼体阶段即需地表湿润或短期积水才能完成定居和建群过程,在其生活周期的不同阶段,以水条件为特征的生境呈现明显的异质性。
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Xerophytes tend to have thick cuticles, and dry conditions often induce cuticular thickening.
角质层的厚薄因植物的种类和生活环境而异,生长在干燥和阳光充足环境下的植物有较厚的角质层,而生长在水中或阴湿环境下的则较薄。
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With the deflected succession of aquatic ecotype plant functional group,the dominance of mesophytes and xerophytes increased,while the dominance of aquatic and hygric plants decreased. However,there are only planting crops in the reclaimed wetland. In the composition of plant biotype functional group,the hydrophytes reduced quickly with the deflected succession and the dominance of perennial herbs is mostly marked,and there are only annual herbs in reclaimed wetland. Compared with primary swamp,the species diversity index of meadow is the highest,the swampy meadow follows,and the reclaimed wetland is the lowest.
植物的水分生态型功能群组成随湿地的逆行演替,水生、湿生类植物功能群的优势度不断减少,中生、旱生类植物功能群的优势度逐步增加,而在垦后湿地只有农作物;植物生活型功能群组成随湿地的逆行演替,水生草本迅速减少,陆生多年生草本增加占据优势,而在垦后湿地均为一年生草本;湿地植物物种丰富度、多样性指数由原生沼泽、沼泽化草甸到草甸依次增加,草甸为最大值,而垦后湿地则最低。
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Having long lived in rigor habitats,two extreme xerophytes Reaumuria soongorica and Salsola passerina formed special biological features and physio-ecological adaptations.
超旱生植物红砂与珍珠长期生活在严酷的生境中,形成了独特的生物学特性和生理生态适应性。
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Among three water ecological types, mesophytes occupied 59.37% of the total, and mesoxerophytes and xerophytes occupied 25% and 15.63%, respectively.
在3个水分生态类型中,中生植物最多,占59.37%,中旱生类型和旱生类型分别占25%和15.63%。
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xerophytes:旱生植物
先要感谢扬州大学,谢谢!!! 30.旱生植物(xerophytes) 适应于干旱环境中生活的植物. 阅读全文 类别:我的文章 查看评论.
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xerophytes:干燥性植物
干燥性植物 Xerophytes | 干燥植物羣列 Xerosere | 木胶 Xylan
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mountain xerophytes:山地旱生植物
mountain waste 荒山 | mountain xerophytes 山地旱生植物 | mountain zone 山地带
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X Xerophytes:乾生植物
Wind-break 防風林 | X Xerophytes 乾生植物 | Xerosere 乾生消長系列