Literature search
We conducted systematic literature searches in the ISI Web of Science, PubMed and CNKI databases using search terms (e.g. “medicinal plant”, “herbal drug”, “herbal medicine”, “aromatic plant”, and “Chinese medicine”)
and keyword combinations (e.g. “in situ conservation”, “ex situ conservation”, “sustainable use”, and “cultivation
practice”) to retrieve the abstracts of relevant articles (Fig. 1). The literature search spanned the period from January 2000 to December 2014, and the languages were
limited to English and Chinese. We carefully reviewed all retrieved abstracts to find articles that were suitable according to the inclusion criteria (Table ). For literature
focusing on the conservation and/or sustainable use of medicinal plants, we retrieved full articles from fulltext databases (ScienceDirect, Wiley, Biomed, Springer,
Medline, Scopus, Elsevier, Highwire, Mcgill, Cogprints, Emedicine, Nature and Science online). From the initial search, a total of 673 abstracts were collected, includingresearch articles, reviews, commentaries and letters.
After systematic screening, 231 met the inclusion criteria. From these, full copies of 106 articles were retrieved for further evaluation. In addition, we retrieved 25 nonindexed
but relevant citations from the reference lists of retrieved articles to supplement the above searches and provide a complete literature retrieval.
We conducted systematic literature searches in the ISI Web of Science, PubMed and CNKI databases using search terms (e.g. “medicinal plant”, “herbal drug”, “herbal medicine”, “aromatic plant”, and “Chinese medicine”)
and keyword combinations (e.g. “in situ conservation”, “ex situ conservation”, “sustainable use”, and “cultivation
practice”) to retrieve the abstracts of relevant articles (Fig. 1). The literature search spanned the period from January 2000 to December 2014, and the languages were
limited to English and Chinese. We carefully reviewed all retrieved abstracts to find articles that were suitable according to the inclusion criteria (Table ). For literature
focusing on the conservation and/or sustainable use of medicinal plants, we retrieved full articles from fulltext databases (ScienceDirect, Wiley, Biomed, Springer,
Medline, Scopus, Elsevier, Highwire, Mcgill, Cogprints, Emedicine, Nature and Science online). From the initial search, a total of 673 abstracts were collected, includingresearch articles, reviews, commentaries and letters.After systematic screening, 231 met the inclusion criteria. From these, full copies of 106 articles were retrieved for further evaluation. In addition, we retrieved 25 nonindexed
but relevant citations from the reference lists of retrieved articles to supplement the above searches and provide a complete literature retrieval.
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