The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?

Egeria densa Planchón is considered an invasive species in continental aquatic systems in Chile. Its original geographical distribution was limited to the subtropical regions of Brazil, Argentina and Uruguay. Its fast growth and dense canopy-forming habit are associated with the clear water state of...

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Autores principales:	YARROW,MATTHEW, MARÍN,VÍCTOR H, FINLAYSON,MAX, TIRONI,ANTONIO, DELGADO,LUISA E, FISCHER,FERNANDA
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2009
Materias:	Egeria densa ecosystem engineer invasive species
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2009000200010
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spelling	oai:scielo:S0716-078X20090002000102009-09-09The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?YARROW,MATTHEWMARÍN,VÍCTOR HFINLAYSON,MAXTIRONI,ANTONIODELGADO,LUISA EFISCHER,FERNANDA Egeria densa ecosystem engineer invasive species Egeria densa Planchón is considered an invasive species in continental aquatic systems in Chile. Its original geographical distribution was limited to the subtropical regions of Brazil, Argentina and Uruguay. Its fast growth and dense canopy-forming habit are associated with the clear water state of shallow water continental ecosystems. As a dominant species in many of the systems in which it occurs, E. densa behaves as an ecosystem engineer by preventing the re-suspension of sediments and controlling the growth of phytoplankton by removing nutrients from the water column. At the same time, this invasive species produces unwanted effects such as: (1) clogging waterways and hydroelectric turbines, (2) out-competing native vegetation, and (3) negatively affecting the sediment seed bank. Given its importance in the recent (2004) change of state of the Río Cruces wetland, Chile, we felt it appropriate to undertake a comprehensive literature review of this species. We conclude by discussing the role of E. densa as an ecosystem engineer while cautioning against the impression that E. densa is always a highly competitive invader.info:eu-repo/semantics/openAccessSociedad de Biología de ChileRevista chilena de historia natural v.82 n.2 20092009-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2009000200010en10.4067/S0716-078X2009000200010
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Egeria densa ecosystem engineer invasive species
spellingShingle	Egeria densa ecosystem engineer invasive species YARROW,MATTHEW MARÍN,VÍCTOR H FINLAYSON,MAX TIRONI,ANTONIO DELGADO,LUISA E FISCHER,FERNANDA The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?
description	Egeria densa Planchón is considered an invasive species in continental aquatic systems in Chile. Its original geographical distribution was limited to the subtropical regions of Brazil, Argentina and Uruguay. Its fast growth and dense canopy-forming habit are associated with the clear water state of shallow water continental ecosystems. As a dominant species in many of the systems in which it occurs, E. densa behaves as an ecosystem engineer by preventing the re-suspension of sediments and controlling the growth of phytoplankton by removing nutrients from the water column. At the same time, this invasive species produces unwanted effects such as: (1) clogging waterways and hydroelectric turbines, (2) out-competing native vegetation, and (3) negatively affecting the sediment seed bank. Given its importance in the recent (2004) change of state of the Río Cruces wetland, Chile, we felt it appropriate to undertake a comprehensive literature review of this species. We conclude by discussing the role of E. densa as an ecosystem engineer while cautioning against the impression that E. densa is always a highly competitive invader.
author	YARROW,MATTHEW MARÍN,VÍCTOR H FINLAYSON,MAX TIRONI,ANTONIO DELGADO,LUISA E FISCHER,FERNANDA
author_facet	YARROW,MATTHEW MARÍN,VÍCTOR H FINLAYSON,MAX TIRONI,ANTONIO DELGADO,LUISA E FISCHER,FERNANDA
author_sort	YARROW,MATTHEW
title	The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?
title_short	The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?
title_full	The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?
title_fullStr	The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?
title_full_unstemmed	The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?
title_sort	ecology of egeria densa planchón (liliopsida: alismatales): a wetland ecosystem engineer?
publisher	Sociedad de Biología de Chile
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2009000200010
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The ecology of Egeria densa Planchón (Liliopsida: Alismatales): A wetland ecosystem engineer?

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