Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, Colombia

Floodplain lakes and associated wetlands in tropical dry climates are controlled by pronounced and severe seasonal hydrologic fluctuations. We examined the plant community response to a bimodal flooding pattern in the Zapatosa Floodplain Lake Complex (ZFLC), Northern Colombia. We measured floristic...

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Main Authors: Udo Schmidt-Mumm, Georg Janauer
Format: Article
Language:English
Published: Vicerractoría Investigación 2014-09-01
Series:Revista de Biología Tropical
Subjects:
Online Access:http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442014000300021&lng=en&tlng=en
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author Udo Schmidt-Mumm
Georg Janauer
author_facet Udo Schmidt-Mumm
Georg Janauer
author_sort Udo Schmidt-Mumm
collection DOAJ
description Floodplain lakes and associated wetlands in tropical dry climates are controlled by pronounced and severe seasonal hydrologic fluctuations. We examined the plant community response to a bimodal flooding pattern in the Zapatosa Floodplain Lake Complex (ZFLC), Northern Colombia. We measured floristic and quantitative change in four sampling periods emphasizing seasonal differences in plant abundance and life-form structure. Of 79 species identified in the lake complex, 52 were used to characterize eight community types via classification and ordination procedures. Results showed that community structure does not change significantly during the flooding/receding stages. But maximum drawdown phase significantly disrupts the aquatic community structure and the exposed shorelines become colonized by ruderal terrestrial plants. Early rainfalls at the beginning of the wet season are emphasized as an important feature of plant regeneration and community development. The general strategy of the ZFLC vegetation can be framed into the flood pulse concept of river-floodplain systems. Thus, plant communities are mainly responding to disturbances and destruction events imposed by extreme water level fluctuations. Rev. Biol. Trop. 62 (3): 1073-1097. Epub 2014 September 01.
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spelling doaj.art-5609bf5136aa49989f566357130e6b3c2023-09-02T19:22:09ZengVicerractoría InvestigaciónRevista de Biología Tropical0034-77442014-09-0162310731097S0034-77442014000300021Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, ColombiaUdo Schmidt-Mumm0Georg Janauer1University of ViennaUniversity of ViennaFloodplain lakes and associated wetlands in tropical dry climates are controlled by pronounced and severe seasonal hydrologic fluctuations. We examined the plant community response to a bimodal flooding pattern in the Zapatosa Floodplain Lake Complex (ZFLC), Northern Colombia. We measured floristic and quantitative change in four sampling periods emphasizing seasonal differences in plant abundance and life-form structure. Of 79 species identified in the lake complex, 52 were used to characterize eight community types via classification and ordination procedures. Results showed that community structure does not change significantly during the flooding/receding stages. But maximum drawdown phase significantly disrupts the aquatic community structure and the exposed shorelines become colonized by ruderal terrestrial plants. Early rainfalls at the beginning of the wet season are emphasized as an important feature of plant regeneration and community development. The general strategy of the ZFLC vegetation can be framed into the flood pulse concept of river-floodplain systems. Thus, plant communities are mainly responding to disturbances and destruction events imposed by extreme water level fluctuations. Rev. Biol. Trop. 62 (3): 1073-1097. Epub 2014 September 01.http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442014000300021&lng=en&tlng=enRio Cesarpulso de inundaciónlitoralmacrófitosRio Magdalenaciénagasestacionalidad bimodal
spellingShingle Udo Schmidt-Mumm
Georg Janauer
Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, Colombia
Revista de Biología Tropical
Rio Cesar
pulso de inundación
litoral
macrófitos
Rio Magdalena
ciénagas
estacionalidad bimodal
title Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, Colombia
title_full Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, Colombia
title_fullStr Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, Colombia
title_full_unstemmed Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, Colombia
title_short Seasonal dynamics of the shoreline vegetation in the Zapatosa floodplain lake complex, Colombia
title_sort seasonal dynamics of the shoreline vegetation in the zapatosa floodplain lake complex colombia
topic Rio Cesar
pulso de inundación
litoral
macrófitos
Rio Magdalena
ciénagas
estacionalidad bimodal
url http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442014000300021&lng=en&tlng=en
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