Planktonic crustacean assemblages in a system of three reservoirs in the mexican Central plateau: Seasonal and spatial patterns

Marco A. Ramírez-Olvera, Magdalena Díaz-Argüero, Eugenia López-López

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

Planktonic crustacean assemblages were examined monthly for one year in a system of three reservoirs in the Mexican Central Plateau (Rio Grande de Morelia)—Lorna Caliente, Umécuaro and Cointzio. Temperature, dissolved oxygen, pH, conductivity, transparency, nitrites, nitrates, total phosphorus, iron, hardness, turbidity, and suspended solids were quantified. Fourteen species of planktonic crustaceans were observed, including four copepods and ten cladocerans; major phytoplankton taxa were Chlorophyceae, Bacillariophyceae, Dinophyceae and Cyanobacteria. The first two reservoirs were dominated by cladoceran assemblages, and species of Chlorophyceae and Bacillariophyceae were common. In Cointzio, the downstream reservoir, a seasonal shift in dominance from copepods to cladocerans was observed and cyanobacteria blooms prevailed. Canonical correspondence analysis showed an environmental gradient from the two upstream reservoirs (with cold, transparent, softer waters) to the downstream reservoir (with highly turbid, more mineralized waters). Specific richness, diversity. and the speed of the shift in dominance from cladocerans to copepods between the dry and wet seasons all increased in line with the mineralization gradient. © 2004, Copyright Taylor & Francis Group, LLC.
Original languageAmerican English
Pages (from-to)25-34
Number of pages10
JournalJournal of Freshwater Ecology
DOIs
StatePublished - 1 Jan 2004

Fingerprint

crustacean
plateaus
Copepoda
Chlorophyceae
Bacillariophyceae
Crustacea
plateau
Cyanobacteria
cyanobacterium
turbidity
nitrites
dissolved oxygen
Dinophyceae
hardness
dry season
mineralization
wet season
phytoplankton
nitrates
iron

Cite this

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title = "Planktonic crustacean assemblages in a system of three reservoirs in the mexican Central plateau: Seasonal and spatial patterns",
abstract = "Planktonic crustacean assemblages were examined monthly for one year in a system of three reservoirs in the Mexican Central Plateau (Rio Grande de Morelia)—Lorna Caliente, Um{\'e}cuaro and Cointzio. Temperature, dissolved oxygen, pH, conductivity, transparency, nitrites, nitrates, total phosphorus, iron, hardness, turbidity, and suspended solids were quantified. Fourteen species of planktonic crustaceans were observed, including four copepods and ten cladocerans; major phytoplankton taxa were Chlorophyceae, Bacillariophyceae, Dinophyceae and Cyanobacteria. The first two reservoirs were dominated by cladoceran assemblages, and species of Chlorophyceae and Bacillariophyceae were common. In Cointzio, the downstream reservoir, a seasonal shift in dominance from copepods to cladocerans was observed and cyanobacteria blooms prevailed. Canonical correspondence analysis showed an environmental gradient from the two upstream reservoirs (with cold, transparent, softer waters) to the downstream reservoir (with highly turbid, more mineralized waters). Specific richness, diversity. and the speed of the shift in dominance from cladocerans to copepods between the dry and wet seasons all increased in line with the mineralization gradient. {\circledC} 2004, Copyright Taylor & Francis Group, LLC.",
author = "Ram{\'i}rez-Olvera, {Marco A.} and Magdalena D{\'i}az-Arg{\"u}ero and Eugenia L{\'o}pez-L{\'o}pez",
year = "2004",
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language = "American English",
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Planktonic crustacean assemblages in a system of three reservoirs in the mexican Central plateau: Seasonal and spatial patterns. / Ramírez-Olvera, Marco A.; Díaz-Argüero, Magdalena; López-López, Eugenia.

In: Journal of Freshwater Ecology, 01.01.2004, p. 25-34.

Research output: Contribution to journalArticleResearchpeer-review

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AU - López-López, Eugenia

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AB - Planktonic crustacean assemblages were examined monthly for one year in a system of three reservoirs in the Mexican Central Plateau (Rio Grande de Morelia)—Lorna Caliente, Umécuaro and Cointzio. Temperature, dissolved oxygen, pH, conductivity, transparency, nitrites, nitrates, total phosphorus, iron, hardness, turbidity, and suspended solids were quantified. Fourteen species of planktonic crustaceans were observed, including four copepods and ten cladocerans; major phytoplankton taxa were Chlorophyceae, Bacillariophyceae, Dinophyceae and Cyanobacteria. The first two reservoirs were dominated by cladoceran assemblages, and species of Chlorophyceae and Bacillariophyceae were common. In Cointzio, the downstream reservoir, a seasonal shift in dominance from copepods to cladocerans was observed and cyanobacteria blooms prevailed. Canonical correspondence analysis showed an environmental gradient from the two upstream reservoirs (with cold, transparent, softer waters) to the downstream reservoir (with highly turbid, more mineralized waters). Specific richness, diversity. and the speed of the shift in dominance from cladocerans to copepods between the dry and wet seasons all increased in line with the mineralization gradient. © 2004, Copyright Taylor & Francis Group, LLC.

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