Scientometric analysis of phosphorus research in eutrophic lakes

摘要: Eutrophication has become a top environmental issue for most lake ecosystems in the world and enhanced phosphorus (P) input is usually considered primary stressor. Focused on role of eutrophic lakes, bibliometric approach was applied to quantitatively evaluate main interests research trends this area. Using data from Science Citation Index Expanded database between 1900 2013, total 3,875 publications returned by searching topic keywords. Spatial, temporal, interactive characteristics articles, countries, keywords are presented using time series, frequency, co-occurrence analysis. Result shows that annual P lakes keep an exponential growth (R 2 = 0.93; p < 0.0001) over last two decades, reflecting increasing attraction However, make up only 40 % records indicating there other significant topics eutrophication problems lakes. The USA largest output country area, contributing 23 followed China with proportion 15 %. However. replaced as since 2011, but its citation per paper significantly lower than USA, its' favor quantity quality. Based international cooperation analysis, five regional groups were found, UK, P.R. China, Sweden, German centers their groups. 20 title keywords, author plus identified according frequency assist our understanding modes. Surprisingly, nitrogen high keyword study, share rapidly. Furthermore, correlation N spatial distribution also indicates significance