Identification of the research themes of Chocó in the literature indexed in Scopus

Abstract

Objective: extract the research topics from the summaries and bibliographic data of the articles indexed in the Scopus database that have the department of Chocó (Colombia) as their object of study. Methods: The keywords Chocó AND Colombia were searched in the Scopus database, the bibliographic references were exported to End- Note and the data of author(s), title, periodical publication, volume, number, year and abstract were extracted, they were converted into a text file, references and symbols were removed. The manipulation of the pdf file was carried out with the execution of text preparation, tokenization, lemmatization and obtaining the list of bigrams that were carried out in the integrated development environment (EDI) of RStudio. Results: 668 bibliographic records of indexed documents were found in Scopus. The words with the highest frequency of occurrence are: «species», «Colombia», «Chocó», «forest», «pacific», «tropical», etc. 89 841 bigrams were found, including «new species», «pacific coast», «colombian pacific», etc. Word collocations show that «gold» matches «mining», «mercury», «platinum», etc. «Chocó» combines with «Colombia», «biogeographical», «rain», «tropical», etc. «Biodiversity» combines with «conservation», «tropical», «agricultural», etc. «Climate» combines with «change», «variability», «basin», etc. Conclusions: the most frequent words show that there is a concern for the study of mining, biodiversity, climate change, the tropical forest, the Pacific Ocean, etc.