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Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil
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| Zeitschriftentitel: | Anais da Academia Brasileira de Ciências |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Anais da Academia Brasileira de Ciências, 81, 2009, 2, S. 187-197 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
FapUNIFESP (SciELO)
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| Schlagwörter: |
| author_facet |
Magalhães, André Leite, Natália da R. Silva, João G.S. Pereira, Luci C.C. Costa, Rauquírio M. da Magalhães, André Leite, Natália da R. Silva, João G.S. Pereira, Luci C.C. Costa, Rauquírio M. da |
|---|---|
| author |
Magalhães, André Leite, Natália da R. Silva, João G.S. Pereira, Luci C.C. Costa, Rauquírio M. da |
| spellingShingle |
Magalhães, André Leite, Natália da R. Silva, João G.S. Pereira, Luci C.C. Costa, Rauquírio M. da Anais da Academia Brasileira de Ciências Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil Multidisciplinary |
| author_sort |
magalhães, andré |
| spelling |
Magalhães, André Leite, Natália da R. Silva, João G.S. Pereira, Luci C.C. Costa, Rauquírio M. da 0001-3765 FapUNIFESP (SciELO) Multidisciplinary http://dx.doi.org/10.1590/s0001-37652009000200005 <jats:p>The main purpose of this study was to investigate the seasonal variation of copepod community structure during the months of July, September and November 2003 (dry season) and January, March and May 2004 (rainy season) in the Curuçá estuary, northern Brazil. Samples were collected during neap tides via gentle 200µm mesh net tows from a small powerboat. Measurements of surface water conductivity were accomplished in situ using an electronic conductivimeter and salinity was later obtained through the transformation of the conductivity values. Salinity varied seasonally from 7.2 ± 0.1 to 39.2 ± 1.8 (mean ± standard deviation) and was influenced mainly by differences in the amount of rainfall between the studied sampling seasons. In total, 30 Copepoda taxa were identified and Acartia tonsa comprised the most representative species throughout the entire studied period followed by Acartia lilljeborgii, Subeucalanus pileatus and Paracalanus quasimodo. In the present study, the density values, ecological indexes and copepod species dominance presented a clear seasonal pattern, showing that the studied area may be considered seasonally heterogeneous in relation to the investigated parameters.</jats:p> Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil Anais da Academia Brasileira de Ciências |
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| title |
Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_unstemmed |
Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_full |
Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_fullStr |
Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_full_unstemmed |
Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_short |
Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_sort |
seasonal variation in the copepod community structure from a tropical amazon estuary, northern brazil |
| topic |
Multidisciplinary |
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http://dx.doi.org/10.1590/s0001-37652009000200005 |
| publishDate |
2009 |
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187-197 |
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<jats:p>The main purpose of this study was to investigate the seasonal variation of copepod community structure during the months of July, September and November 2003 (dry season) and January, March and May 2004 (rainy season) in the Curuçá estuary, northern Brazil. Samples were collected during neap tides via gentle 200µm mesh net tows from a small powerboat. Measurements of surface water conductivity were accomplished in situ using an electronic conductivimeter and salinity was later obtained through the transformation of the conductivity values. Salinity varied seasonally from 7.2 ± 0.1 to 39.2 ± 1.8 (mean ± standard deviation) and was influenced mainly by differences in the amount of rainfall between the studied sampling seasons. In total, 30 Copepoda taxa were identified and Acartia tonsa comprised the most representative species throughout the entire studied period followed by Acartia lilljeborgii, Subeucalanus pileatus and Paracalanus quasimodo. In the present study, the density values, ecological indexes and copepod species dominance presented a clear seasonal pattern, showing that the studied area may be considered seasonally heterogeneous in relation to the investigated parameters.</jats:p> |
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| author | Magalhães, André, Leite, Natália da R., Silva, João G.S., Pereira, Luci C.C., Costa, Rauquírio M. da |
| author_facet | Magalhães, André, Leite, Natália da R., Silva, João G.S., Pereira, Luci C.C., Costa, Rauquírio M. da, Magalhães, André, Leite, Natália da R., Silva, João G.S., Pereira, Luci C.C., Costa, Rauquírio M. da |
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| description | <jats:p>The main purpose of this study was to investigate the seasonal variation of copepod community structure during the months of July, September and November 2003 (dry season) and January, March and May 2004 (rainy season) in the Curuçá estuary, northern Brazil. Samples were collected during neap tides via gentle 200µm mesh net tows from a small powerboat. Measurements of surface water conductivity were accomplished in situ using an electronic conductivimeter and salinity was later obtained through the transformation of the conductivity values. Salinity varied seasonally from 7.2 ± 0.1 to 39.2 ± 1.8 (mean ± standard deviation) and was influenced mainly by differences in the amount of rainfall between the studied sampling seasons. In total, 30 Copepoda taxa were identified and Acartia tonsa comprised the most representative species throughout the entire studied period followed by Acartia lilljeborgii, Subeucalanus pileatus and Paracalanus quasimodo. In the present study, the density values, ecological indexes and copepod species dominance presented a clear seasonal pattern, showing that the studied area may be considered seasonally heterogeneous in relation to the investigated parameters.</jats:p> |
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| spelling | Magalhães, André Leite, Natália da R. Silva, João G.S. Pereira, Luci C.C. Costa, Rauquírio M. da 0001-3765 FapUNIFESP (SciELO) Multidisciplinary http://dx.doi.org/10.1590/s0001-37652009000200005 <jats:p>The main purpose of this study was to investigate the seasonal variation of copepod community structure during the months of July, September and November 2003 (dry season) and January, March and May 2004 (rainy season) in the Curuçá estuary, northern Brazil. Samples were collected during neap tides via gentle 200µm mesh net tows from a small powerboat. Measurements of surface water conductivity were accomplished in situ using an electronic conductivimeter and salinity was later obtained through the transformation of the conductivity values. Salinity varied seasonally from 7.2 ± 0.1 to 39.2 ± 1.8 (mean ± standard deviation) and was influenced mainly by differences in the amount of rainfall between the studied sampling seasons. In total, 30 Copepoda taxa were identified and Acartia tonsa comprised the most representative species throughout the entire studied period followed by Acartia lilljeborgii, Subeucalanus pileatus and Paracalanus quasimodo. In the present study, the density values, ecological indexes and copepod species dominance presented a clear seasonal pattern, showing that the studied area may be considered seasonally heterogeneous in relation to the investigated parameters.</jats:p> Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil Anais da Academia Brasileira de Ciências |
| spellingShingle | Magalhães, André, Leite, Natália da R., Silva, João G.S., Pereira, Luci C.C., Costa, Rauquírio M. da, Anais da Academia Brasileira de Ciências, Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil, Multidisciplinary |
| title | Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_full | Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_fullStr | Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_full_unstemmed | Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_short | Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| title_sort | seasonal variation in the copepod community structure from a tropical amazon estuary, northern brazil |
| title_unstemmed | Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil |
| topic | Multidisciplinary |
| url | http://dx.doi.org/10.1590/s0001-37652009000200005 |