Landscape Ecol (2017) 32:2311–2325 https://doi.org/10.1007/s10980-017-0570-3 RESEARCH ARTICLE Landscape metrics as a framework to measure the effect of landscape structure on the spread of invasive insect species . . . Audrey Lustig Daniel B. Stouffer Crile Doscher Susan P. Worner Received: 15 March 2017 / Accepted: 11 September 2017 / Published online: 25 September 2017 Springer Science+Business Media B.V. 2017 Abstract Landscape metrics are used as an indicators of Context With accelerated land-use change through- invasive insect establishment and spread. out the world, increased understanding of the relative Results We showed that the presence of an Allee effects of landscape composition and conﬁguration on effect leads to a balance between the effectiveness of biological system and bioinvasion in particular, is spread and invasion success. Spread is maximized at needed to design effective management strategies. an intermediate dispersal level and inhibited at both However, this topic is poorly understood in part low and high levels of dispersal. The landscape, by because empirical studies often fail to account for either increasing or mitigating the dispersal abilities of large gradients of habitat complexity and offer insuf- a species, can lead to a rate of spread under a dispersal ﬁcient or even no replication
Landscape Ecology – Springer Journals
Published: Sep 25, 2017
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