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- Keywords Merremia boisiana;Exotic species invading;Damaging effect;allelopathy; 金钟藤;外来物种;危害作用;化感作用;
- Exotic species invading 外来物种
- Preliminary studies on invasive model and outbreak mechanism of exotic species, Spartina alterniflora Loisel. 外来种互花米草入侵模式与爆发机制。
- The leaf venation of eighty-nine species, including two exotic species, were cleared and observed. 制作并观察了89种植物叶片的脉序,其中2种为外国种。
- In ancient times, we began to introduce exotic species into our own land,such as corn,broomcorn,potatoes and so on. 在很早以前，我们就已经开始引进外来的物种，如：玉米，高粱，土豆等。
- Two forest specialists showed significant increase in densities, one is native and the other is exotic species. 两种树林种类的密度有显著增加，其中一种是本土种，另一种是外来种。
- Other threats to biodiversity include exotic species, often transported by humans, which can outcompete and displace native species. 其他对生物多样性的威胁包括外来物种，它们常常是通过人的活动迁移的，能够通过生存竞争取代本地物种。
- There is no legislation in place regulating fish movement, quarantine procedures and the introduction of non-native or exotic species. 没有管理转移鱼类、检疫程序和引进非本土或外来物种的法律。
- While exotic species should not be excluded for special reasons or purposes, native tree species should be preferred as a matter of principle. 不应因特别原因或用途而完全排除外来的品种,但仍应以本地品种为优先。
- He says the field of animal behavior and communication is rich with studies on rare and exotic species, but contains surprisingly very little data on cats. 他说，动物行为和交际领域对稀有和外地物种进行了丰富的研究，但是令人吃惊的是，却很少有关于猫的资料。
- Other exotic species have been introduced for landscape restoration, biological pest control, sport, pets, and food processing. 其他外来生物是为了恢复环境、害虫生物防治、体育、宠物、食物加工等目的而引进的。
- Hyphantria cunea Drury is a exotic species and has invaded and spread to Liaoning, Hebei, Tianjin, Shandong, Shanxi and Shanghai. 美国白蛾为外来入侵种,现已扩散蔓延到辽宁、河北、天津、山东、陕西、上海等省市。
- A new exotic species of Asteraceae (Compositae) has been appearing in Tianjin City and Hengshui and Langfang of Hebei Province. 一种菊科外来植物最近出现在我国华北地区的天津市和河北省的衡水与廊坊市。
- It does not cover the introduction of exotic species in general, nor other products of biotechnology which have not been genetically modified. 它一般不包括外地种的引入，也不包括其他生物工艺学方面的未经过转基因改良的产品。
- He says the field of animal behavior and communication is rich with studies on rare and exotic species,but contains surprisingly very little data on cats. 他说，动物行为和交际领域对稀有和外地物种进行了丰富的研究，但是令人吃惊的是，却很少有关于猫的资料。
- Robinia pseudoacacia, a domesticated exotic species with a long history, is an artificially induced variation divided into fast growing and fodder types. 四倍体刺槐Robinia pseudoacacia是我国引种驯化历史较久的外来树种,为人工诱交植株,分速生型和饲料型。
- In this article, we present some morphological and biological information on piranhas.In addition, we also present our own opinions on the risks posed by exotic species. 本文简要地介绍了有关“食人鲳”的形态学和生物学信息,并以“食人鲳”为例,对如何看待生物外来种的问题,提出了作者的观点。
- Undeterred, the Filipina -- still in her pearls -- stepped gracefully into the water, as the Hawar Islands welcomed another exotic species into its midst. 那位菲律宾妇女没有被吓着，她仍然戴着珍珠项链，优雅地迈进了水里，就像哈瓦群岛又迎来了一个物种。
- Ferdinand II turned a ruined monastery into a castle where this new sensitivity was displayed in the use of Gothic, Egyptian, Moorish and Renaissance elements and in the creation of a park blending local and exotic species of trees. 费迪南德二世把被毁坏的教堂改建成了一座城堡，这一建筑集中了哥特式、埃及式、摩尔式和文艺复兴时期的建筑特点，同时在城堡的公园里把许多国外树种与本地树木混合栽种。
- Based on the model of multispecies competitive coexistence, two assumptions of the competitive coexistence patterns between the exotic species and the local species are proposed in this paper. 基于多物种竞争共存模型，提出外来物种与本地物种竞争共存途径的两种假想：外来物种通过插队竞争与本地物种实现共存；
