[2026] PTE Academic Reading - Multiple Choice, Single Answer

The term 'shifting baseline syndrome' describes a gradual change in the accepted norms for environmental conditions due to a lack of historical experience or memory. Each generation of scientists or observers accepts the environment they first encounter as the natural standard, even if that state is already significantly degraded. For instance, a fisherman today might consider a catch successful based on modern stocks, unaware that previous generations harvested fish ten times larger and more abundant. This collective amnesia presents a profound challenge for conservation, as restoration goals are often set to match a diminished version of the past rather than the true ecological potential. While some argue that looking too far back is unrealistic given the constraints of a modern, human-dominated world, others maintain that we must document historical abundance to avoid 'creeping normality.' Without a clear understanding of what has been lost, our efforts to protect the environment risk becoming merely the management of decline. Therefore, the integration of historical ecology and oral histories is not a nostalgic exercise, but a scientific necessity to calibrate our vision for a sustainable future.