Multi-scale Remote Sensing of Introduced and Invasive Species: An Overview of Approaches and Perspectives

  • Stephen J. Walsh
Part of the Social and Ecological Interactions in the Galapagos Islands book series (SESGI)


A fused, multi-scale remote sensing system that ranges from field-based to satellite-based systems offers considerable power and efficiencies for mapping and monitoring the spread and/or eradication of introduced and invasive plant species. Optical, multispectral, and hyperspectral remote sensing systems are capable of distinguishing alien species from background features through their spectral, spatial, and temporal signatures—often assessed through a suite of change detection approaches that rely upon an assembled image time series. Pixel- and object-based image processing approaches depend on an expanded feature set that generally includes digital enhancements and vegetation indices as well as GIS coverages. Several land suitability and ecosystem process models have been used to assess the spread of introduced and invasive species across the landscape, given ecological site conditions and social considerations associated with human-managed landscapes. Considerable challenges persist in the mapping, monitoring, and modeling of introduced and invasive species related to sub-canopy distributions, target resolutions of young and mature specimens, fragmented distributions, and natural and human forcing functions of their space-time patterns across the landscape.


Invasive plant species Fused and multi-scale remote sensing Galapagos Islands 


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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Department of Geography and Center for Galapagos StudiesUniversity of North Carolina at Chapel HillChapel HillUSA

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