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Nutrient Dynamics and Retention in Land/Water Ecotones of Lowland, Temperate Lakes and Rivers (Hardcover, Reprintend from HYDROBIOLOGIA, 251, 1993)
Loot Price: R5,565
Discovery Miles 55 650
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Nutrient Dynamics and Retention in Land/Water Ecotones of Lowland, Temperate Lakes and Rivers (Hardcover, Reprintend from HYDROBIOLOGIA, 251, 1993)
Series: Developments in Hydrobiology, 82
Expected to ship within 10 - 15 working days
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Ecotones, or boundary zones between land and inland waters (such as
lakes, streams and rivers), are the principal routes for transport
of organic matter and nutrients across landscapes via physical and
biological vectors. The ecotone is the place of cumulation and
transformation of in situ production as well as of allochthonous
material from adjacent aquatic and terrestrial systems. The ecotype
functions as an important barrier or filter for principal
nutrients, such as phosphorus and nitrogen, responsible for the
eutrophication and degradation of surface waters. Intensive forest
cutting, agriculture, pollution and bank regulation, urbanization
and hydrotechnical constructions seriously endanger the ecotone
systems and damage their protective function. It is vital to
develop a scientific understanding of the behaviour of phosphorus
and nitrogen in these transitional boundary habitats. Such an
understanding is important for the rational protection, management
and restoration of ecotones connected with lakes and rivers. The
importance of nutrient cycling and retention is discussed from the
point of view of ecotone function, management and reconstruction in
order to sustain its protective role for water bodies. Various
types of land/water transitory zones are discussed: wetlands, lake
littoral systems, riparian zones of rivers, streams and brooks, the
contact zones between groundwater and surface waters of lakes and
rivers, air--water interfaces, and patch/ecotone structures in
watersheds.
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