当前位置: X-MOL 学术Ecol. Appl. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Drivers of global Scolytinae invasion patterns.
Ecological Applications ( IF 4.3 ) Pub Date : 2020-02-22 , DOI: 10.1002/eap.2103
M Victoria Lantschner 1 , Juan C Corley 1, 2 , Andrew M Liebhold 3, 4
Affiliation  

Biological invasions are affected by characteristics of invading species, strength of pathway connectivity among world regions and habitat characteristics of invaded regions. These factors may interact in complex ways to drive geographical variation in numbers of invasions among world regions. Understanding the role of these drivers provides information that is crucial to the development of effective biosecurity policies. Here we assemble for the first time a global database of historical invasions of Scolytinae species and explore factors explaining geographical variation in numbers of species invading different regions. This insect group includes several pest species with massive economic and ecological impacts and these beetles are known to be accidentally moved with wood packaging in global trade. Candidate explanatory characteristics included in this analysis are cumulative trade among world regions, size of source species pools, forest area, and climatic similarity of the invaded region with source regions. Species capable of sib‐mating comprised the highest proportion on nonnative Scolytines, and these species colonized a higher number of regions than outbreeders. The size of source species pools offered little power in explaining variation in numbers of invasions among world regions nor did climate or forest area. In contrast, cumulative trade had a strong and consistent positive relationship with numbers of Scolytinae species moving from one region to another, and this effect was highest for bark beetles, followed by ambrosia beetles, and was low for seed and twig feeders. We conclude that global variation in Scolytine invasions is primarily driven by variation in trade levels among world regions. Results stress the importance of global trade as the primary driver of historical Scolytinae invasions and we anticipate other hitchhiking species would exhibit similar patterns. One implication of these results is that invasions between certain world regions may be historically low because of past low levels of trade but future economic shifts could result in large numbers of new invasions as a result of increased trade among previously isolated portions of the world. With changing global flow of goods among world regions, it is crucial that biosecurity efforts keep pace to minimize future invasions and their impacts.

中文翻译:

全球蝎co入侵模式的驱动因素。

生物入侵受入侵物种的特征,世界区域之间路径连通性的强度以及入侵区域的栖息地特征的影响。这些因素可能以复杂的方式相互作用,以推动世界区域之间入侵数量的地理差异。了解这些驱动因素的作用可提供对制定有效的生物安全政策至关重要的信息。在这里,我们首次建立了一个全球鞘翅目天牛入侵历史数据库,并探索了解释入侵不同地区的物种数量地理差异的因素。该昆虫群包括几种具有重大经济和生态影响的害虫,在全球贸易中,这些甲虫被随木包装意外转移。该分析中可能包含的解释性特征是世界区域之间的累积贸易,源物种库的规模,森林面积以及被入侵区域与源区域的气候相似性。能够同胞的物种在非本地鞘co中的比例最高,与远亲繁殖的物种相比,这些物种的定居区域数量更多。源物种库的大小几乎无法解释世界区域之间入侵数量的变化,气候或森林面积也无济于事。相反,累积贸易与Scolytinae物种从一个地区转移到另一个地区的数量具有强而一致的正相关关系,这种效应对于树皮甲虫而言最高,其次是沙棘甲虫,而对于种子和嫩枝饲养者而言则较低。我们得出的结论是,鞘氨醇入侵的全球变化主要是由世界各地区之间贸易水平的变化驱动的。结果强调了全球贸易作为历史上鞘翅目入侵的主要驱动因素的重要性,我们预计其他搭便车物种也会表现出类似的模式。这些结果的一个暗示是,由于过去较低的贸易水平,某些世界区域之间的入侵可能历史上较低,但是由于世界先前偏远地区之间贸易的增加,未来的经济变化可能导致大量新的入侵。随着全球货物在世界区域之间的流动不断变化,至关重要的是,生物安全措施必须保持步伐,以最大程度地减少未来的入侵及其影响。结果强调了全球贸易作为历史上鞘翅目入侵的主要驱动因素的重要性,我们预计其他搭便车物种也会表现出类似的模式。这些结果的一个暗示是,由于过去较低的贸易水平,某些世界区域之间的入侵可能历史上较低,但是由于世界先前偏远地区之间贸易的增加,未来的经济变化可能导致大量新的入侵。随着全球货物在世界区域之间的流动不断变化,至关重要的是,生物安全措施必须保持步伐,以最大程度地减少未来的入侵及其影响。结果强调了全球贸易作为历史上鞘翅目入侵的主要驱动因素的重要性,我们预计其他搭便车物种也会表现出类似的模式。这些结果的一个暗示是,由于过去较低的贸易水平,某些世界区域之间的入侵可能历史上较低,但是由于世界先前偏远地区之间贸易的增加,未来的经济变化可能导致大量新的入侵。随着全球货物在世界区域之间的流动不断变化,至关重要的是,生物安全措施必须保持步伐,以最大程度地减少未来的入侵及其影响。这些结果的一个暗示是,由于过去较低的贸易水平,某些世界区域之间的入侵可能历史上较低,但是由于世界先前偏远地区之间贸易的增加,未来的经济变化可能导致大量新的入侵。随着全球货物在世界区域之间的流动不断变化,至关重要的是,生物安全措施必须保持步伐,以最大程度地减少未来的入侵及其影响。这些结果的一个暗示是,由于过去较低的贸易水平,某些世界区域之间的入侵可能历史上较低,但是由于世界先前偏远地区之间贸易的增加,未来的经济变化可能导致大量新的入侵。随着全球货物在世界区域之间的流动不断变化,至关重要的是,生物安全措施必须保持步伐,以最大程度地减少未来的入侵及其影响。
更新日期:2020-02-22
down
wechat
bug