I am examining two time periods in the InVEST software habitat quality model: the past (2020) and the present (2025). But I have a question regarding the threats table. My habitat threats include an airport and a wharf. But the main problem is that these two threats were built only a year ago and did not exist in the past. How do I prepare the raster file of threats in the past? Because there is nothing, but the software asks me to.
From the user guide:
Each pixel value in this raster is the relative intensity of the threat at that location, with values between 0 and 1.
A threat intensity of 0 is equivalent to absence of the threat. You may provide a raster where every pixel value is 0.
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