Information Ecology: Proper Methodology for Information Study

Due to the great difference between matter and information, the methodology of reductionism featured with "divide and conquer", which has been proved very successful, is no longer sufficient for information study. Instead, the new methodology named information ecology should be employed. The concepts related to information, information process, information system, and information ecology will be explained, the reason why information ecology can be regarded as the proper methodology for information study will be analyzed in the paper.