Thematic maps, a tool to establish the spatial patterns of eutrophication and the zooplanktoncommunity structure in a tropicalurban reservoir (Pampulha Reservoir, MG) in Brazil

Juan Carlos Jaramillo-Londoño, Ricardo Motta Pinto-Coelho

Resultado de la investigación: Capítulo del libro/informe/acta de congresoCapítuloInvestigación

Resumen

© 2014 by Nova Science Publishers, Inc. All rights reserved. In this chapter we evaluated the effect of inputs of nutrients, mainly nitrogen and phosphorus, on the structure of the zooplankton community, including diversity, evenness, dominance and richness, in PampulhaReservoir in the city of Belo Horizonte, Brazil. The samples were taken on 15 September 2009 at 23 sampling stations, covering the entire reservoir. A spatial analysis showed that the species richness gradually decreased in those sites where increased nutrients and several highly opportunistic species increased in density along this same spatial gradient (such as Thermocyclops decipiens, Metacyclops mendocinus and Brachionus calyciflorus). Thematic maps describing the horizontal distribution of each variable showed that areas with higher nutrient concentrations were associated with increases in dominance and decreases in diversity and species richness. Finally, establishing the horizontal distribution patterns of zooplankton organisms in a reservoir allow us to perform a detailed ecological zonation of the water body and one of the most interesting applications of this zonation is the identification of ecological gradients related to pollution sources.
Idioma originalInglés estadounidense
Título de la publicación alojadaZooplankton: Species Diversity, Distribution and Seasonal Dynamics
Número de páginas20
ISBN (versión digital)9781629487205
EstadoPublicada - 1 ene 2014

Huella dactilar

eutrophication
nutrient
ecological zonation
zooplankton
species richness
pollutant source
spatial analysis
zonation
phosphorus
nitrogen
sampling
distribution
science
station
effect
organism
water body
city

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abstract = "{\circledC} 2014 by Nova Science Publishers, Inc. All rights reserved. In this chapter we evaluated the effect of inputs of nutrients, mainly nitrogen and phosphorus, on the structure of the zooplankton community, including diversity, evenness, dominance and richness, in PampulhaReservoir in the city of Belo Horizonte, Brazil. The samples were taken on 15 September 2009 at 23 sampling stations, covering the entire reservoir. A spatial analysis showed that the species richness gradually decreased in those sites where increased nutrients and several highly opportunistic species increased in density along this same spatial gradient (such as Thermocyclops decipiens, Metacyclops mendocinus and Brachionus calyciflorus). Thematic maps describing the horizontal distribution of each variable showed that areas with higher nutrient concentrations were associated with increases in dominance and decreases in diversity and species richness. Finally, establishing the horizontal distribution patterns of zooplankton organisms in a reservoir allow us to perform a detailed ecological zonation of the water body and one of the most interesting applications of this zonation is the identification of ecological gradients related to pollution sources.",
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Thematic maps, a tool to establish the spatial patterns of eutrophication and the zooplanktoncommunity structure in a tropicalurban reservoir (Pampulha Reservoir, MG) in Brazil. / Jaramillo-Londoño, Juan Carlos; Pinto-Coelho, Ricardo Motta.

Zooplankton: Species Diversity, Distribution and Seasonal Dynamics. 2014.

Resultado de la investigación: Capítulo del libro/informe/acta de congresoCapítuloInvestigación

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