a) say what the source is (and/or link to it)
The source of ecological information that I chose is the following journal article.
Kumar, P., Kotlarski, S., Moseley, C., Sieck, K., Frey, H., Stoffel, M., & Jacob, D. (2015). Response of Karakoram‐Himalayan glaciers to climate variability and climatic change: A regional climate model assessment. Geophysical Research Letters, 42(6), 1818–1825. https://doi.org/10.1002/2015gl063392
Link to the article : Response of Karakoram‐Himalayan glaciers to climate variability and climatic change: A regional climate model assessment (wiley.com)
This article was published in 2015 and focus on interactively describing response of glaciers to climate change.
b) classify it into one of the four types of information discussed in the tutorial
This article was written by multiple authors who are expert in their field. In addition to that, there are in text citations provided wherever needed along the article and also a list of all the sources that were used which made me conclude the article is an academic material. Since, the information in the article was reviewed by 3 referees before publication meaning that the article is peer -reviewed academic material. Furthermore, the article also consists of introduction, method, result, and discussion. This information helped me conclude that the article is an academic, peer reviewed, research material.
c) provide documentation to support your classification.

Figure 1. This screenshot shows that the authors are expert in their field.

Figure 2. This screenshot is an example of in text citations.

Figure 3.The article had three anonymous reviewers which was mentioned in the acknowledgement section.
Besides these , there was method and results also mentioned in the article as well as discussion which helped me conclude that the article was academic, peer-reviewed research material.