1997-98 El Niño effects on the pelagic ecosystem of the California current off Baja California, Mexico
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2003
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| _version_ | 1876459157291270144 |
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| author | Luis C. Jiménez Pérez |
| author_facet | Luis C. Jiménez Pérez |
| contents | 1997-98 El Niño effects on the pelagic ecosystem of the California current off Baja California, Mexico Luis C. Jiménez Pérez María R. González Esparza Timothy Baumgartner Joaquín García Cordova Bertha E. Lavaniegos Gilberto Gaxiola Castro Ciencias de la Tierra salps El Niño copepods IMECOCAL chlorophyll We analyze the plankton response to 1997-98 El Niño in the southern region (26-32°N) of the California Current, from fourIMECOCAL cruises. Integrated chlorophyll a showed a moderate increase at the end of the ENSO, but chlorophyll in VizcainoBay remained fairly constant. The medians were higher than 40 mg m-2 through 1998. Zooplankton biomass showed a localdecrease from Punta Baja (30°N) to Vizcaino Bay, but not in other areas. The zooplankton decrease was mainly due to the lowerabundance of copepods and euphausiids at the end of El Niño. High concentration of zooplankton from Punta Eugenia (27.7°N) toSan Ignacio (26.7°N), could be explained by the presence of abundant salps. A strong presence of tropical copepod species wasobserved during the peak of El Niño, most abundant being the oceanic Nannocalanus minor and Eucalanus subtenuis. Abundancesof the transitional species Calanus pacificus, Pleuromamma borealis and Rhincalanus nasutus were low. 2003 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56842320 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.3 Vol.42 |
| format | Artículo científico |
| id | redalyc_56842320 |
| institution | Redalyc |
| language | en |
| publishDate | 2003 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | 1997-98 El Niño effects on the pelagic ecosystem of the California current off Baja California, Mexico Luis C. Jiménez Pérez Ciencias de la Tierra salps El Niño copepods IMECOCAL chlorophyll 1997-98 El Niño effects on the pelagic ecosystem of the California current off Baja California, Mexico Luis C. Jiménez Pérez María R. González Esparza Timothy Baumgartner Joaquín García Cordova Bertha E. Lavaniegos Gilberto Gaxiola Castro Ciencias de la Tierra salps El Niño copepods IMECOCAL chlorophyll We analyze the plankton response to 1997-98 El Niño in the southern region (26-32°N) of the California Current, from fourIMECOCAL cruises. Integrated chlorophyll a showed a moderate increase at the end of the ENSO, but chlorophyll in VizcainoBay remained fairly constant. The medians were higher than 40 mg m-2 through 1998. Zooplankton biomass showed a localdecrease from Punta Baja (30°N) to Vizcaino Bay, but not in other areas. The zooplankton decrease was mainly due to the lowerabundance of copepods and euphausiids at the end of El Niño. High concentration of zooplankton from Punta Eugenia (27.7°N) toSan Ignacio (26.7°N), could be explained by the presence of abundant salps. A strong presence of tropical copepod species wasobserved during the peak of El Niño, most abundant being the oceanic Nannocalanus minor and Eucalanus subtenuis. Abundancesof the transitional species Calanus pacificus, Pleuromamma borealis and Rhincalanus nasutus were low. 2003 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56842320 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.3 Vol.42 |
| title | 1997-98 El Niño effects on the pelagic ecosystem of the California current off Baja California, Mexico |
| topic | Ciencias de la Tierra salps El Niño copepods IMECOCAL chlorophyll |
| url | https://www.redalyc.org/articulo.oa?id=56842320 |