SimilarityRank
human_activity 0.714 16002
terrestrial_ecosystem 0.709 98125
human_impact 0.693 82966
climatic_change 0.688 79774
land_use_change 0.682 61668
biota 0.675 81008
eutrophication 0.649 69479
global_climate_change 0.648 29854
aquatic_ecosystem 0.633 62506
ecosystem_function 0.627 92822
natural_ecosystem 0.626 62077
habitat_loss 0.626 50927
natural_process 0.620 47228
biodiversity_loss 0.619 86453
habitat_destruction 0.614 88499
species_diversity 0.611 91262
acidification 0.610 76521
ecological_system 0.608 67262
marine_ecosystem 0.608 35001
climate_variability 0.606 91277
species_richness 0.605 87127
global_warming 0.600 5979
speciation 0.599 57755
pollutant 0.599 14162
forest_ecosystem 0.598 65758