12.07.2015 Views

The Plankton and Fishes of a Tropical Creek in South-Western Nigeria

The Plankton and Fishes of a Tropical Creek in South-Western Nigeria

The Plankton and Fishes of a Tropical Creek in South-Western Nigeria

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Table 3. Composition <strong>and</strong> abundance <strong>of</strong> zooplankton species <strong>in</strong> terms <strong>of</strong> numbers per ml <strong>in</strong> a tropical estuar<strong>in</strong>e creek (March, 2003 – February, 2004)2003 → 2004 →Species March April May June July September October November December January FebruaryCrustacea 20 - 30 - - - 50 50 60 - 20Acartia clausii 20 - - - - - 40 40 60 - 10Acartia discaudata 20 20 20 - - - - - - - -Centropages sp. 50 - - - - - - - - -Corycaeus obtusus 30 90 - - - - - - - - -Cyclop<strong>in</strong>a longicornis - - - - - - - - - 30 -Cyclop<strong>in</strong>a sp. - - - 20 - 40 - - - - -Cyclops strenus - - - - - - - - - - -Cyclops sp. - - - 10 - - - - - - -Diaphanosoma excisum - - - - 120 - - - - - -Diaphanosoma sp. - - - 10 - 60 - - - - -Diaptomus sp. - - 20 - - - 70 - 270 250 -Enterp<strong>in</strong>a acutiformis - - - - 20 - - - - 40 -Halicyclops sp. - - - - 20 30 - - - - -Mesocyclops sp. 90 - - - - -Microcalanus sp. - - - - - - - 20 20 - --Microsetella novegia - 30 - - - - - - - - -Oithona sp. - - 70 - - - - - - - -Paracalanus parvus - - 70 - - - - 70 80 100 40Paracalanus pygmaeus - 10 - - - - 60 80 - 170 30Pseudocalanus sp. - - - - 20 - - - - - -Rh<strong>in</strong>calanus sp. - - - - - - 70 - - - -Temora sp. - - 20 - - - - - - - -RotiferaBranchionus calyciflorus - - - - 60 - - - - - -Branchionus sp. 200 - - 30 - - - - - - -Enterp<strong>in</strong>a acutifrons - - - - - - - - - - -Lecane bulla 20 - - - - -110 B.E. Emmanuel <strong>and</strong> I.C. Onyema / Turk. J. Fish. Aquat. Sci. 7: 105-113 (2007)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!