Abstract
The literature analysis method used in this paper outlines variations in research topics. We tested whether research on wetlands is topic-centered, comparative of different wetland classes, or aimed at wetland loss. We analyzed research papers to identify clusters of research activity and interpreted these clusters relative to wetland function and type. Furthermore, a case study on 61 papers was conducted in order to find a critical path of wetland loss induced by different causes. From this case study, it was determined that agriculture is regarded as a root cause of wetland loss.
Highlights
Wetlands, areas that are saturated with moisture and, as a consequence, contain unique land cover classes, are some of the most diverse ecosystems in the world
In this article we investigated comparisons between different wetland types, beneficial characteristics of wetlands, and causes of wetland loss
While all three topics have motivated extensive research, we tested whether research on wetlands is topic-centered, comparative of different wetland classes, or aimed at wetland loss
Summary
Areas that are saturated with moisture and, as a consequence, contain unique land cover classes, are some of the most diverse ecosystems in the world. Many factors exert an influence on wetland stability or degradation; based on a scenario simulation of Millennium Ecosystem Assessment [2], habitat change is currently the driving force behind. Land use and land cover change influence the total amount of wetland in most regions [3,4,5]. While all three topics have motivated extensive research, we tested whether research on wetlands is topic-centered, comparative of different wetland classes, or aimed at wetland loss. We analyzed research papers to identify clusters of research activity and interpreted these clusters relative to wetland function and type
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