Monitoring invasive species: Detecting purple loosestrife and evaluating biocontrol along the Niobrara River, Nebraska

Sharmistha Swain, Sunil Narumalani, Deepak Mishra

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Geospatial tools and techniques are playing important roles in determining the location and spatial extents of invasive species infestations and in evaluating the performances of various management activities aimed at controlling their spread. In this study, hyperspectral image processing techniques were used to map purple loosestrife and to assess the effectiveness of biological control agents in controlling its infestations along the Niobrara River in Nebraska. Validation based on field survey showed an overall map accuracy of 82.1% and comparison with in situ data on biocontrol release indicated that biocontrol agents were effective in the areas where they were released.

Original languageEnglish
Pages (from-to)225-244
Number of pages20
JournalGIScience and Remote Sensing
Volume48
Issue number2
DOIs
StatePublished - Apr 1 2011

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