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Large Asian Lakes in a Changing World - Natural State and Human Impact (Hardcover, 1st ed. 2020)
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Large Asian Lakes in a Changing World - Natural State and Human Impact (Hardcover, 1st ed. 2020)
Series: Springer Water
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Describing the natural state of eight important lakes in Asia and
the human impact on these lake ecosystems, this book offers a
valuable reference guide. Over the past several decades the Aral
Sea, Dead Sea, Lake Balkhash and other major lakes in Asia have
undergone significant changes with regard to their size, water
level, chemical composition, and flora and fauna. Most of these
changes resulted from the loss of water from tributaries (now used
for irrigation farming) or increasing consumption in local
industries and households. However, significant human impacts may
have begun as early as 2000 years ago. In addition to the three
lakes mentioned above, Lake Sevan (Armenia), the Caspian Sea
(Azerbaijan, Iran, Kazakhstan, Russia, Turkmenistan), Lake
Issyk-Kul (Kyrgyzstan), and Lake Lop Nur (China) are discussed as
the most prominent examples of changing lake ecosystems. In
contrast, an example of an almost pristine lake ecosystem is
included with the report on Lake Uvs Nuur (Mongolia). For each
lake, the book summarizes its origin and early geological history,
and reconstructs its natural state and variability on the basis of
proxy records from drilled or exposed lake sediments that have
accumulated since the last ice age. The frequently observed
reductions in lake level and size during most recent decades led
often to significant environmental impacts in the respective lake
catchments including vegetation deterioration, soil erosion and
badland formation, soil salinization or the formation of sinkholes.
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