Related by context. Frequent words. (Click for all words.) 53 insect populations 53 pollinating insects 53 bee populations 49 amphibian populations 49 grassland birds 49 native pollinators 48 Invasive plants 46 habitats 46 honeybee population 45 varroa mites 45 wetland habitat 45 Migrating birds 45 nonnative plants 45 honey bee colonies 44 acacias 44 buffelgrass 44 malaria cholera 44 woody plants 43 seagrasses 43 grassland habitat 43 pollinators 43 overwintering 43 aquatic habitats 43 frogs toads 43 nurseries 43 genetic diversity 43 habitat 43 insect borne diseases 43 populations 43 flora 42 bumblebees 42 forbs 42 waterbirds 42 wetland habitats 42 amphibian species 42 bee colonies 42 caribou herds 42 avian species 42 varroa 42 lapwings 42 temperate zones 42 species 42 migratory patterns 42 biodiversity 41 temperate forests 41 mosquito populations 41 pollinate crops 41 freshwater ecosystems 41 bee pollination 41 herbaceous plants 41 stinkbugs 41 honeybee colonies 41 oak wilt 41 ladybirds 41 fungal 41 habitat fragmentation 41 flowering plants 41 breeding colonies 41 skylarks 41 wildlife habitats 41 adelgids 41 warmer winters 40 bee colony 40 whiteflies 40 yellowjackets 40 loosestrife 40 eelgrass 40 pests 40 ecosystems 40 whitefly 40 bird species 40 bumble bees 40 virulent strains 40 psyllids 40 species extinctions 39 Aphids 39 honey bees 39 insect pests 39 vole 39 mealybugs 39 plants 39 sagebrush habitat 39 seagrass beds 39 shade tolerant 39 temperate regions 39 dormice 39 Demographic trends 39 fungal diseases 39 bollworms 39 deer herds 39 amphibians 39 aquatic ecosystems 39 drug resistant superbugs 39 purple loosestrife 38 migrating waterfowl 38 bitterns 38 Scotch broom 38 Pollinators 38 genetic variability 38 migratory songbirds 38 spotted knapweed