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Rapid Changes And Loss Of Freshwater Springs And Fish Communities Of The Arabian Peninsula | 106328
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Rapid changes and loss of freshwater springs and fish communities of the Arabian Peninsula
Joint Event on 3rd International Conference on Ecology, Ecosystem and Conservation Biology & 3rd International Conference on Microbial Ecology & Eco Systems
During summer 2018,
132 springs from Saudi
Arabia, Oman and Jordan were
surveyed for water chemistry
and fish communities.
Although most springs in
Oman are reasonably intact,
only 14 of 46 springs flowing
in Saudi Arabia in 1990 exist,
and all springs visited in
Jordan were heavily polluted
from direct human contact.
In addition, the electrical
conductivity of the remaining
Saudi springs has increased
profoundly during this period.
Fish were sampled at each
spring boil, if present, using a
dip net, identified to species,
photographed and returned to
the location where collected.
Five native species were found
in the springs of Saudi Arabia
and Oman, but all springs in
Jordan lacked fish. In addition,
two introduced Tilapia species
were found in some Oman
springs. Garra tibanica was
found only in Saudi Arabian
springs, while Cyprinion
watsoni was restricted to a
single spring in Oman. The
general distributions of species
in the Arabian Peninsula
were compared with earlier
surveys, and the relationship
of each species to electrical
conductivity was analyzed
to assess whether increased
conductivity levels in springs
since 1990 as a result of over
pumping of groundwater has
or will have an impact on fish
tolerance and distribution.
Aphanius dispar is limited
to low conductivity springs,
Cyprinion mhalensis and Gara
tibanica to low-moderately
high conductivity, while
Garra tibanica can tolerate
extremely high conductivity.
Continued over extraction of
groundwater will lead to loss
of additional springs and the
likely extirpation of species
due to increased conductivity.
This is a major conservation
issue facing the Arabian
Peninsula.
Biography
Kamal is a PhD Candidate from University of South Florida, USA.