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Zoological Studies

Table 3 Seasonal abundances and abundance percentage of the zooplanktonic taxa identified

From: Spatiotemporal variations of zooplankton community in a shallow tropical brackish lagoon (Sontecomapan, Veracruz, Mexico)

  Symbol DRY RAINY NORTE % Abundance
(ind.m−3 ± SD) (ind.m−3 ± SD) (ind.m−3 ± SD) Dry Rainy Norte
Phylum Rotifera Cuvier, 1817        
Subclass Monogononta Plate, 1889        
Superorder Pseudotrocha Kutikova, 1970        
Order Ploima Hudson and Gosse, 1886        
Family Brachionidae Ehrenberg, 1838        
 Brachionus plicatilis Müller, 1786 RBp 80.5 ± 222.2 0.5 ± 0.7   2.05 0.17 0.07
 Brachionus angularis Gosse, 1851 Rba 0.1 ± 0.3 0.0 ± 0.1 0.0 ± 0.0 0.00 0.00 0.00
 Brachionus dimidiatus Bryce, 1931 RBd 0.8 ± 2.4 0.0 ± 0.0 0.0 ± 0.1 0.02 0.00 0.00
 Keratella americana Carlin, 1943 RKa 0.0 ± 0.1 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
 Keratella quadrata (Müller, 1786)a RKq 0.1 ± 0.2 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
 Platyias quadricornis (Ehrenberg, 1832) RPq 1.1 ± 3.3 0.1 ± 0.1 0.0 ± 0.0 0.03 0.03 0.00
 Plationus patulus (Müller, 1786) RPp 0.0 ± 0.1 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
Family Euchlanidae Ehrenberg, 1838        
 Euchlanis incisa Carlin, 1939a REi 0.0 ± 0.0 0.1 ± 0.3 0.0 ± 0.1 0.00 0.03 0.00
 Euchlanis dilatata Ehrenberg, 1832a REd 0.1 ± 0.2 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
Family Lecanidae Remane, 1933        
 Lecane bulla (Gosse, 1851) RLb 1.5 ± 4.0 0.0 ± 0.0 0.6 ± 1.7 0.04 0.00 0.14
 Lecane quadridentata (Ehrenberg, 1830) RLq 0.5 ± 1.3 0.0 ± 0.0 0.0 ± 0.0 0.01 0.00 0.00
 Lecane lunaris (Ehrenberg, 1832) RLl 0.0 ± 0.0 0.0 ± 0.1 0.0 ± 0.0 0.00 0.00 0.00
 Lecane nana (Murray, 1913) RLn 0.1 ± 0.2 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
Family Lepadellidae Harring, 1913        
 Lepadella (Lepadella) donneri Koste, 1972 RLd 0.0 ± 0.0 0.0 ± 0.1 0.0 ± 0.0 0.00 0.00 0.00
 Lepadella (Lepadella) patella (Müller, 1773) RLp 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
Family Mytilinidae Harring, 1913        
 Mytilina ventralis (Ehrenberg, 1830)a RMv 0.0 ± 0.0 0.0 ± 0.1 0.0 ± 0.0 0.00 0.00 0.00
 Mytilina bisulcata (Lucks, 1912)a RMb 0.5 ± 1.6 0.0 ± 0.0 0.0 ± 0.0 0.01 0.00 0.00
Family Synchaetidae Hudson and Gosse, 1886        
 Synchaeta oblonga Ehrenberg, 1832a RSo 0.0 ± 0.0 0.2 ± 0.4 0.0 ± 0.0 0.00 0.07 0.00
 Synchaeta bicornis Smith, 1904a RSb 0.0 ± 0.0 0.3 ± 0.5 0.0 ± 0.0 0.00 0.10 0.00
Family Trichotriidae Harring, 1913        
 Trichotria tetractis (Ehrenberg, 1830)a RTt 0.1 ± 0.4 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
Superorder Pseudotrocha Kutikova, 1970        
Order Flosculariaceae Harring, 1913        
Family Testudinellidae Harring, 1913        
 Testudinella patina (Hermann, 1783)a RTp 0.3 ± 0.7 0.0 ± 0.1 0.0 ± 0.1 0.00 0.00 0.00
Subphylum Crustacea        
Class Branchiopodae        
Order Cladocera        
 Chydorus sp.a CCh 0.1 ± 0.2 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
 Ceriodaphnia sp.a CCd 0.1 ± 0.2 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
 Penilia avirostris (Dana, 1849)a CP 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.00 0.00 0.00
Class Maxillopoda        
Subclass: Copepoda        
 Non identified nauplii Cna 2952 ± 7647 249 ± 294 393 ± 552 75.2 85.6 94.4
Superorder Gymnoplea        
Order Calanoida        
Family Acartiidae        
 Acartia tonsa Dana, 1852 CAt 54.5 ± 120.6 7.7 ± 19.8 0.5 ± 0.7 1.39 2.65 0.12
Family Centropagidae        
 Centropages velificatus (Oliveira, 1947) CCv 0.0 ± 0.0 0.4 ± 1.1 0.0 ± 0.0 0.00 0.14 0.00
Family Paracalanidae        
 Paracalanus aculeatus Giesbrecht, 1888 CPa 5.4 ± 10.3 0.9 ± 1.0 0.2 ± 0.6 0.14 0.31 0.05
Family Clausocalanoidea        
 Phaenna sp.a CHP 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0 0.1 0
Family Temoridae        
 Temora turbinata (Dana, 1852) CTt 0.1 ± 0.3 0.1 ± 0.1 0.0 ± 0.0 0.00 0.00 0.00
Family Paeudodiaptomidae        
 Pseudodiaptomus sp. CPd 0.1 ± 0.2 0.3 ± 0.5 0.0 ± 0.1 0 0 0
Superorder Podoplea        
Order Cyclopoida        
Family Cyclopidae        
 Mesocyclops sp. CMc 0.0 ± 0.0 0.0 ± 0.1 0.0 ± 0.0 0.00 0.03 0.00
Family Oithonidae        
 Oithona nana (Giesbrecht, 1892)a COn 685.7± 20.3± 2.3± 0 0.1 0
 Oithona sp. COsp 0.0 ± 0.0 0.9 ± 2.8 0.0 ± 0.0 0 0.2 0
Family Corycaeidae        
 Corycaeus sp. CCy 0.0 ± 0.0 0.2 ± 0.4 0.0 ± 0.0 0.3 0 0
Family Oncaeidae        
 Oncaea venusta Philippi, 1843. COv 0.0 ± 0.0 0.5 ± 1.6 0.0 ± 0.0 0 0 0.2
Order Harpacticoida        
Family Tachidiidae        
 Euterpina acutiformis Dana, 1852 CEa 11.5 ± 32.5 0.1 ± 0.2 0.0 ± 0.0 0.1 0.5 0
Family Tisbidae        
 Tisbe sp.a CHT 0.0 ± 0.0 0.1 ± 0.2 0.0 ± 0.0 0.1 0.1 0
Other Harpacticoida        
 Canuella sp.a CHC 0.0 ± 0.1 0.0 ± 0.0 0.7 ± 2.0 0 0 0
 Unidentified 1 CH1 4.0 ± 5.1 1.6 ± 1.7 0.2 ± 0.3 0 0 0
 Unidentified 2 CH2 0.4 ± 1.1 0.0 ± 0.1 0.0 ± 0.0 0 0 0
Other Zooplankters        
 Ostracods Osp 4.5 ± 12.2 0.3 ± 0.4 0.0 ± 0.0 3 6 0
 Appendicularia Asp 0.0 ± 0.0 0.5 ± 1.0 0.0 ± 0.0 0 5 0
 Polychaeta (larvae) Plv 15.1 ± 33.0 1.0 ± 1.2 1.0 ± 1.2 7 7 8
 Polychaeta (adults) Psp 0.0 ± 0.0 0.1 ± 0.1 0.0 ± 0.1 0 2 2
 Nematoda Nsp 0.4 ± 0.5 0.7 ± 1.3 0.0 ± 0.0 4 7 0
 Chironomid larvae Chlv 0.0 ± 0.1 0.0 ± 0.0 0.0 ± 0.0 1 1 0
 Hydrarachnidae Hda 0.0 ± 0.0 0.02 ± 0.05 0.0 ± 0.0 0 0.03 0
 Watermite Wtm 0.1 0.1 ± 0.2 0.0 ± 0.0 2 4 2
 Chaetognatha Chsp 0.0 ± 0.1 0.1 ± 0.2 0.0 ± 0.0 1 1 0
 Gasteropod larvae Glv 29.5 ± 38.1 0.8 ± 1.0 16.2 ± 25.4 7 8 8
 Cyrripeda larvae Cyl 73.8 ± 223.8 3.8 ± 4.9 0.9 ± 1.5 8 9 6
 Bivalve larvae Blv 1.8 ± 5.6 0.0 ± 0.1 0.4 ± 1.3 4 2 1
 Decapod larvae Dlv 0.4 ± 1.1 0.0 ± 0.1 0.0 ± 0.1 3 2 1
 Fish larvae Flv 0.2 ± 0.4 0.1 ± 0.2 0.0 ± 0.0 2 3 2
  1. Seasonal (survey) values of mean abundances (±standard deviation, SD) and of abundance percentage of the zooplanktonic taxa identified. The symbols used for the multivariate analysis are shown in the second column. aSpecies or genera recorded for first time in the lagoon.
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