Ecosystem-level abiotic factors influencing American black bears includewaterfor drinking andshelter(like rivers and swamps),temperatureandclimate change, which impact food sources (like plants and berries) and hibernation cycles, andsoil, which supports thevegetative coverthey need for foraging and raising cubs. Additionally,sunlightinfluences plant growth, a primary food source, and the overall structure of their forest habitats.