1998-2004 1998-2004 1998-2004 2005-2011 2005-2011 2005-2011 2012-2018 2012-2018 2012-2018
Keyword Frequency Centrality Keyword Frequency Centrality Keyword Frequency Centrality
ecosystem 57 0.13 connectivity 133 0.11 hydrological connectivity 370 0.27
Connectivity 53 0.10 ecosystem 114 0.04 Connectivity 362 0.11
wetland 23 0.27 hydrological connectivity 108 0.19 Ecosystem 218 0.11
floodplain 23 0.12 Water 73 0.11 climate change 213 0.05
biodiversity 22 0.12 hydrology 69 0.02 river 198 0.10
stream 20 0.16 wetland 64 0.08 pattern 183 0.12
model 20 0.14 river 63 0.10 water 182 0.06
groundwater 19 0.08 model 63 0.14 model 163 0.11
hydrology 18 0.12 Stream 58 0.04 dynamics 161 0.05
Runoff 17 0.24 Flow 56 0.06 management 140 0.11
Water 16 0.09 Dynamics 54 0.16 flow 137 0.09
Flow 16 0.04 Pattern 54 0.09 Runoff 136 0.04
Restoration 15 0.15 Groundwater 54 0.07 Stream 136 0.17
Dynamics 14 0.16 Floodplain 52 0.08 Biodiversity 130 0.07
Ecology 14 0.05 Catchment 49 0.11 Impact 129 0.09