Summerize That is a false concept which unfortunately, many people share. The truth is that it is only in the upper zone that the seas are productive of life. This zone is very limited. We are rapidly digging into a food reserve that is limited and vulnerable, despite what most people think.

Unclear question. However, I inferred you meant having a summary of the text.

Explanation:

When making a summary of a text It is important to note down the key information that is presented in the text.

Hence the summary of the text could read;

"Even though many people think otherwise, the food reserve that is limited and vulnerable in the upper zone of the seas are been consumed rapidly by humans today."