Zoeken
Zoeken kan via de modus 'eenvoudig zoeken' (één veld) of uitgebreid via 'geavanceerd zoeken' (meerdere velden). Zo kan je bv. zoeken op een combinatie van een auteursnaam (auteur), een jaartal (jaar) en een documenttype.
Boekenmand
Nuttige resultaten kan je aanvinken en toevoegen aan een mandje. De inhoud hiervan kan je exporteren of afdrukken (naar bv. PDF).
RSS
Op de hoogte blijven van nieuw toegevoegde publicaties binnen uw interessegebied? Dit kan door een RSS-feed (?) te maken van jouw zoekopdracht.
nieuwe zoekopdracht
Patterns of copepod diversity in the Chilean coastal upwelling system
Hidalgo, P.; Escribano, R.; Vergara, O.; Jorquera, E.; Donoso, K.; Mendoza, P. (2010). Patterns of copepod diversity in the Chilean coastal upwelling system. Deep-Sea Res., Part II, Top. Stud. Oceanogr. 57(24-26): 2089-2097. dx.doi.org/10.1016/j.dsr2.2010.09.012
In: Deep-Sea Research, Part II. Topical Studies in Oceanography. Pergamon: Oxford. ISSN 0967-0645; e-ISSN 1879-0100
|  |
| Trefwoorden |
Copepoda [WoRMS]
Marien/Kust |
| Author keywords |
Biodiversity; Copepods; Community structure; Coastal upwelling; Speciesrichness; Oxygen minimum zone; Eastern South Pacific; Chile; HumboldtCurrent |
| Auteurs | | Top |
- Hidalgo, P.
- Escribano, R.
- Vergara, O.
|
- Jorquera, E.
- Donoso, K.
- Mendoza, P.
|
|
| Abstract |
The copepod community structure from the Northern and Central/southern upwelling regions off Chile was studied and compared. The derived community descriptors were species abundance (N), species richness (R) and the Shannon-Wiener diversity index (H'). These descriptors were related to distinct habitats and conditions, sea surface temperature (SST) and depth of the upper boundary of the oxygen minimum zone (OMZ). From 159 samples, obtained between 2002 and 2008, a total number of 118 species were found of which the calanoids Paracalanus indicus, Acartia tonsa and Eucalanus inermis, along with the cyclopoid Oithona similis, and the poecilostomatoids Triconia conifera and Oncaea media were the dominant species. H' was higher in the northern region, but no differences in N and R were detected between regions. N was higher in the epipelagic vs the deep habitat, but R and H' did not differ. N, R and H' correlated positively to SST and negatively to OMZ depth. The ascent of the OMZ to the upper layer forced by upwelling was proposed as a mechanism that aggregates and increases copepod diversity in the food-rich photic zone. All these findings suggest a fundamental role of upwelling variation for modulating copepod dynamics and community structure in this highly productive but strongly variable marine ecosystem. |
IMIS is ontwikkeld en wordt gehost door het VLIZ.
