abstract
adaptation
alpine
animals
area
axial
biodiversity
branch
classed
classification
climate
climatic
cloud
coincides
concept
cultivation
descending
desert
diminish
disseminated
distinguished
dry
ecosystems
erosion
illustration
incidence
increases
keyword
keywords
late
malaria
middle
migration
millimetres
overflow
partly
peaks
quality
rainfall
rainforests
rainy
referred
regime
region
retreat
shortages
soils
solar
spiny
tag
tags
technically
term
terms
territories
tilt
torrid
tropical
tropics
trough
tundra
typography
vegetation
warm
wet
word
words
year
yields
zone