Rehabitation of an impounded section of the Danube in Vienna (Austria) - evaluation of inshore structures and habitat diversity.

Chovanec, Andreas; Straif, Michael; Waidbacher, Herwig; Schiemer, F.; Cabela, A.; Raab, Rainer

doi:10.1127/lr/15/2003/211

Cited by 2 publications

(2 citation statements)

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“…Marine ecologists have made suggestions about which design features of engineered structures will affect their ecological value (Table 1), as well as principles that might be used to manage shore zones taking ecological services into account (Table 2). There have been a few attempts to assess the ecological value of different kinds of structures in freshwater shore zones as well (Fladung 2002;Scholten 2002;Chovanec et al 2005;Kleinwächtler et al 2005;Scholten et al 2005). …”

Section: Climate Changementioning

confidence: 99%

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Ecology of freshwater shore zones

2010

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Freshwater shore zones are among the most ecologically valuable parts of the planet, but have been heavily damaged by human activities. Because the management and rehabilitation of freshwater shore zones could be improved by better use of ecological knowledge, we summarize here what is known about their ecological functioning. Shore zones are complexes of habitats that support high biodiversity, which is enhanced by high physical complexity and connectivity. Shore zones dissipate large amounts of physical energy, can receive and process extraordinarily high inputs of autochthonous and allochthonous organic matter, and are sites of intensive nutrient cycling. Interactions between organic matter inputs (including wood), physical energy, and the biota are especially important. In general, the ecological character of shore zone ecosystems is set by inputs of physical energy, geologic (or anthropogenic) structure, the hydrologic regime, nutrient inputs, the biota, and climate. Humans have affected freshwater shore zones by laterally compressing and stabilizing the shore zone, changing hydrologic regimes, shortening and simplifying shorelines, hardening shorelines, tidying shore zones, increasing inputs of physical energy that impinge on shore zones, pollution, recreational activities, resource extraction, introducing alien species, changing climate, and intensive development in the shore zone. Systems to guide management and restoration by quantifying ecological services provided by shore zones and balancing multiple (and sometimes conflicting) values are relatively recent and imperfect. We close by identifying leading challenges for shore zone ecology and management.

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Section: Climate Changementioning

confidence: 99%

“…20 must have had very large ecological effects, even though these effects seem not to have been quantified. Some restoration projects are specifically designed to add back some of this shoreline complexity to enhance biodiversity (Hein et al 2004;Chovanec et al 2005). …”

Section: Changes To the Hydrological Regimementioning

confidence: 99%