As one of the world's oldest national parks, Crater Lake draws half a million visitors a year to its scenic beauty. As renowned as the park is, much remains to be learned about its central feature. Very little was known about the lake's ecology in 1982 when Congress funded a long-term research program in response to concerns about Crater Lake losing its famous clarity.

Ten years later, it would be safe to say that no limnological resource in the National Park System has a better data chain to support monitoring efforts. Panels of scientists have met to review the program's research methods and findings. It was concluded that the program has met the objectives set in 1982, and went far beyond what was envisioned at the time. Additional research is needed, however. Changes in the Crater Lake ecosystem move at a very slow pace. In order to foster the preservation of this unique and fascinating lake, scientists will need to keep adding new knowledge and data for comparison to previous studies. This will ensure that the pristine quality of Crater Lake will be enjoyed for generations to come.

Crater Lake has been found to be a complex and oligotrophic, or nutrient poor, system. Its uniqueness as a deep and isolated ecosystem have encouraged scientists to study its chemical and biological features as well as its physical characteristics. Data has been collected and studied as to its microscopic life, chemical interactions, human impact, geologic activity, and even the populations of non-native fish. A common thread linking all of the studies was the attempt to determine if the lake had experienced recent changes. In many cases, all the investigators could do was provide a baseline agains future conditions.

Proposed monitoring programs need to progress in a similar fashion. The growing base of knowledge about the lake needs to be regularly reviewed and revised in determining future conservation methods and management priorities. A dynamic monitoring program ensures that future studies will progress in an orderly fashion, in accordance with biological processes and human values. It is important that the lake is protected from human-related impacts. Furthermore, developing an understanding of those components and processes that are common to lake systems will provide a basis for comparing and assessing the status and trends in lakes elsewhere. The resources to wisely manage Crater Lake can be found, if we are dedicated to protecting this heritage for future generations.

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