Modelling remote barrier detection to achieve free-flowing river targets
Millicent V Parks,
Carlos Garcia de Leaniz,
Peter E Jones
et al.
Abstract:Fragmentation caused by artificial barriers is one of the main stressors of rivers worldwide. However, many barrier inventories only record large barriers, which underestimates barrier numbers, and hence fragmentation. Corrected barrier numbers can be obtained via river walkovers, but these are costly and time consuming. We assessed the performance of remote sensing as an alternative to river walkovers for barrier discovery by comparing the number and location of barriers detected in the field with those detec… Show more
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