Exotic species introductions, either intentional or unintentional, represent a complex force in our rapidly changing world. The frequency and amplitude of biological invasions is increasing globally (Elton 1958, Meyerson and Mooney 2007, McGeoch et al. 2010) with dramatic impacts on natural ecosystem...
英文: EXOTIC LEGUME SPECIES IN CHINA中文: 中国豆科植物外来种之研究 英文: Exotic invasion and species diversity中文: 外来种入侵与物种多样性 英文: Exotic Species Invasion and Ecological Safety中文: 外来种入侵与生态安全 英文: Exotic species’ aggression and sustainable development中文: 外来物种入侵与可...
Introduction of exotic species in an area can have deleterious effects on biological communities by View Solution Ecosystem is- View Solution Self-pollinating flowers have less chances of production of new species and varieties. Why? View Solution ...
Studies of animal introductions have traditionally been the preserve of ecologists and natural historians but here it is argued that exotic species are a rich source of cultural evidence with the potential to enhance archaeological interpretations relating to human behaviour and beliefs. This paper ...
Discuss two areas where the introduction of a non-native organism has created problems for the ecosystem. What was the organism, why was it introduced, and what effects has it had? Why might the introduction of exotic species disru...
species种类。此处呼应第一段第一句The introduction of non-native “exotic” species is now seen as a major threat to biodiversity.中biodiversity。故选A。【小题13】考查名词词义辨析。句意:生物多样性科学家的本质是关注物种组成系统,而不一定关注单个生物的利益和福祉,特别是那些被视为对维持这些系统的威胁...
To meet the needs of afforestation in particular natural conditions in Yuanmou dry and hot valley, the quantitative selection research of drought resistant and heat resistant afforestation species was carried out. 针对元谋干热河谷区特殊的自然条件,为荒山造林所需,开展抗旱耐热造林树种的定量选择研究。
吉林省林木引种成就及今后发展设想 Achievement and tentative idea on introduction of exotic species in Jilin Province;
【题目】五、完型(15%) Non-Native Species The introduction of non-native "exotic" species is now seen as a major threat to biodiversity. In 1825. a particularly vigorous female clone of itadori(called Japanese knotweed) was introduced into Holland and later 11throughout Europe by the plant ...
Exotic annual Bromus grassesWestern USAThe spread and impacts of exotic species are unambiguous, global threats to many ecosystems. A prominent example is the suite of annual grasses in the Bromus genus ( Bromushereafter) that originate...