Long-term drought drives population declines and geographic range shifts in aridland bird species
By
M. van den Bosch
Summary
This scientific study examines how long-term drought exposure affects bird populations in arid regions. The research investigates how climate change-driven increases in drought frequency and intensity are causing declines and range shifts in bird species that inhabit aridlands. These species are particularly vulnerable because they already live near their physiological limits, and prolonged drought conditions push them beyond their tolerance thresholds, leading to local extirpations and distributional changes.
Source
bskyLong-term drought drives population declines and geographic range shifts in aridland bird speciesconbio.onlinelibrary.wiley.comKey quotes
· 3 pulledGlobal environmental change alters ecosystems and their associated biological diversity through shifts in temperature, precipitation, and extreme weather patterns.
These changes affect biodiversity directly when species experience conditions that exceed their physiological limits and indirectly when habitats and resources are altered.
Such disruptions can lead to shifts in species distribution, local extirpation, and ultimately, extinction.
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