Data sources

Park

General Infos and official data (click)

Animals

Bison

Moose

Elk

Vegetation layer

We have used Normalized Difference Vegetation Index (NDVI) for Vegetation layer, since it is a simple indicator that can be used to analyse remote sensing measurements and assess whether the target area contains live green vegetation or not. It is calculated from the visible and near-infrared light reflected by vegetation. NDVI values range from -1 to 1, with higher values indicating healthier, more dense vegetation.

Image

The formula for NDVI is:

NDVI = (NIR - RED) \ (NIR + RED)

Where:

NIR represents the amount of near-infrared light reflected. RED represents the amount of red light reflected.

All calculations and file format conversions are made in QGIS.

Map/Geo features

Layers for our model (water layer, wood, roads etc.) were extracted from OpenStreetMap and converted in format supported by MARS. More info on feature extraction and how to query them on OpenStreet Map Wiki.

How to get additional raster data

To create a georeferenced raster layer of your simulation area, please see the MARS documentation.

Raster layers can be queried, extracted and converted with QGIS or at Geojson website.

Reference projects and papers

MARS-Group-HAW/blueprint-georaster MARS-Group-HAW/model-knp-elephant

Jennifer M., Boyce Mark S. (2022). Bison and elk spatiotemporal interactions in Elk Island National Park. (link)

Thomas Clemen, Ulfia A. Lenfers, Janus Dybulla, Sam M. Ferreira, Greg A. Kiker, Carola Martens, Simon Scheiter. (2021). A cross-scale modeling framework for decision support on elephant management in Kruger National Park, South Africa. Ecological Informatics. (link)

Bunting, Erin & Fullman, Timothy & Kiker, G. & Southworth, Jane. (2016). Utilization of the SAVANNA model to analyze future patterns of vegetation cover in Kruger National Park under changing climate. (link)