Continental freshwaters are among the most species‐dense ecosystems on Earth, with~ 6%
of all described species compressed into~ 0.8% of the world's surface area and~ 0.01% of …

The exceptional concentration of vertebrate diversity in continental freshwaters has been
termed the “freshwater fish paradox,” with> 15,000 fish species representing more than 20 …

Although habitat fragmentation fosters extinctions, it also increases the probability of
speciation by promoting and maintaining divergence among isolated populations. Here we …

Aquifers and spring complexes within the arid and semi‐arid karst Edwards Plateau region
of Texas are evolutionary refugia supporting a large number of endemic flora and fauna …

Aim Knowledge of expanding and contracting ranges is critical for monitoring invasions and
assessing conservation status, yet reliable data on distributional trends are lacking for most …

Aim To identify key research questions and challenges that will, if addressed in a timely
manner, significantly advance the field of freshwater fish biogeography and conservation …

The introduction of fish into high-elevation lakes can provide a geographic and demographic
boost to their invasion of stream networks, thereby further endangering the native stream …

Water development has threatened the ecological integrity of riverine ecosystems.
Increasing water demand, persistent drought, and climate change exacerbate the effects of …

Identifying the drivers and processes that determine globally the geographic range size of
species is crucial to understanding the geographic distribution of biodiversity and further …

Abstract The extensive construction of reservoirs over the past century has radically altered
the environmental landscape on a global scale. Construction of dams on most large rivers …