Question

In recent years, marine biologists have increasingly turned to environmental DNA (eDNA) sampling to monitor fragile coral reef ecosystems without disturbing local marine life. Traditional biodiversity assessments rely heavily on physical specimen collection or visual transect surveys—methods that are often invasive, labor-intensive, and subject to significant observer bias. Proponents of eDNA analysis contend that filtering genetic material shed by organisms into the surrounding water column provides a non-invasive, highly sensitive alternative capable of detecting elusive or low-density species that conventional methods frequently miss.

Initial field trials across several tropical reefs have yielded encouraging results, demonstrating that eDNA assays can detect target species presence with impressive accuracy. However, some researchers caution that the technique currently faces notable analytical limitations. Water currents can transport genetic material far from its point of origin, potentially generating false positives regarding a specific reef's immediate resident population. Furthermore, standard eDNA protocols cannot yet reliably quantify absolute population density or distinguish between active organisms and decaying cellular debris.

Despite these ongoing methodological hurdles, eDNA monitoring represents a valuable advancement in marine conservation science. While it should not entirely replace traditional observational field work, integrating eDNA sampling into existing ecological monitoring frameworks provides a significantly more comprehensive perspective on marine biodiversity dynamics.

Which of the following best describes the author's attitude toward the use of eDNA sampling in marine conservation?