Dr. Nazahatul Anis's academic journey is marked by a profound commitment to ecological research. Her work primarily focuses on plant ecology, biodiversity conservation, and ecological niche modeling. She has been instrumental in advancing knowledge on above-ground biomass (AGB) of timber trees in Kelantan, Malaysia, providing critical insights into carbon stock assessments and sustainable forest management .

Her research extends to the study of species diversity and distribution, particularly within the Rubiaceae family in regions like Pulau Banding and Gunung Stong State Park. These studies are vital for conservation efforts and understanding ecological dynamics in tropical forests .