**7.2 The concepts of sustainability and rural development with related main keywords**

For "Sustainability and Rural Development", the same collection procedure was used. A document search was carried out in the Scopus database. The finding was 7047 documents from which almost 5179 documents were extracted by the following command: TITLE-ABS-KEY (sustainability AND rural AND development) AND (LIMIT-TO (DOCTYPE, "ar")). Among these articles, the first 2000 were selected for analysis. A total of 5169 keywords were counted, with a minimum occurrence of one. The graph above presents the occurrence of keywords by year. Thus, words that have made up the lexical field of the topic before 2010 (environment, climate, biodiversity, etc.) are colored darker. The recent keywords are colored yellow (agritourism, circular economy, etc.). The keywords' importance is measured by the size of the diameter of their circle. The larger the circle is, the more the keyword is used. Sustainability

*An Evaluation of the Transition from Linear Economy to Circular Economy DOI: http://dx.doi.org/10.5772/intechopen.107980*

appears to be the most used keyword with a larger diameter. **Table 1** shows the top ten keywords for this category.

The analysis shows what concepts are most widely used by publications in which years (**Figure 4**). Accordingly, the major concepts used in association with the concept of "sustainability and rural development" in the articles published between 2015 and 2017 include keywords such as sustainability, rural development, sustainable development, rural tourism, rural areas, China, rural, agriculture, development,

#### **Figure 3.** *Sustainability main keywords based on Scopus data.*


#### **Table 1.** *Top keywords according to the topics.*

**Figure 4.** *Sustainability and rural development.*

rural electrification, regional development, India, social sustainability, sustainability assessment climate change, agricultural sustainability, sustainable tourism, and food security. Furthermore, concepts such as SDGs, agritourism, ecotourism, sustainable development goals, smart village, loyalty, and landscape pattern have been introduced in the 2020s. It suggests that the research on sustainability and rural development keeps on developing by deriving new concepts.
