Related by context. Frequent words. (Click for all words.) 36 overland 36 migration 34 decreasing 34 thereby reducing 34 diminishing 33 route 33 migrations 33 ocean 33 reduced 32 oceans 32 degradation 31 enhancement 31 traverse 31 sea 31 Reduced 31 enhanced 31 diminished 31 inland waterways 31 decimation 30 diminishment 30 inland 30 manageable 30 consequent 29 flows 29 trajectories 29 drastically reduced 29 lessening 29 reducing 29 diminishes 29 voyages 28 reduction 28 decreases 28 enhancing 28 greater 28 eroding 28 migratory 28 erosion 28 unobstructed 28 unimpeded 28 coastal 28 diminish 27 unconstrained 27 transiting 27 Reducing 27 southward 27 coastlines 27 degraded 27 rivers lakes 27 minimizing 27 minimized 27 onward 27 accelerating 27 increased 27 gradual 27 mitigating 27 Decreasing 27 lessened 27 negligible 27 minimal 27 diminution 27 vanishing 27 constrain 27 decrease 27 Arctic Ocean 27 along 27 impede 26 convoys 26 homeward 26 greatly diminished 26 disappear 26 estuaries 26 impeding 26 consequently 26 long 26 predictable 26 shrinking 26 incalculable 26 defined 26 rationalized 26 finite 26 intrinsic 26 abundant 26 journeys 26 recedes 26 seacoast 26 depletion 26 northwards 25 disrupt 25 conveyance 25 lesser 25 vanish 25 shorter 25 southwards 25 thinned 25 complicating 25 unmolested 25 without sacrificing 25 Increasing 25 constraining 25 as 25 reduces