Eichhornia crassipes expansion detection using geospatial techniques: Lake Dambal, Oromia, Ethiopia

Eichhornia crassipes growth is threatening fresh water bodies such as Lake Dambal. The study's goal to map expansion and detect changes from 2017 2021. instrument used collect field point data was the Geographical Positioning System. USGS Copernicus Hub Open Access provided Sentinel-2 satellite images. QGIS eCognition software were preprocess classify An accuracy assessment a feature space plot examine classified Each year's image divided into five categories: water, irrigated land, crassipes, wetland, grazing land (Settlement & Iceland). In 2017, covered 32.51 ha, accounting for 0.06% of total area 52,285.4 ha. coverage increased 64.92 ha in 2019, 0.12% area. expanded 317.69 2021, 0.61% study From by +285.18 (+0.55%). spread around Dambal rapid. This resulted socioeconomic issues. As result, appropriate authorities should take action limit weed.