You will be presented with a citation segment from the section of a research paper. Classify the intent behind this citation by choosing from one of the following categories:

- Method: Cites the paper for its methodology or procedure.
- Background: Cites the paper to provide background information.
- Result: Cites the paper for its findings or results.

Your answer should be a single word from the following list of options: ["Method", "Background", "Result"]. Do not include any other text in your response.

Citation sentence:

…of growth by elevated CO2 allows forests to more quickly reach the point in stand development where environmental factors (light, water, nutrients, and so on) limit canopy production, but eventually, trees growing under ambient conditions reach a similar set of limitations to growth (Körner 2006).
Background