|
|
| |
- IMIS: Integrated Marine Information System - |
log in |
|
Personen | Instituten | Publicaties | Projecten | Datasets | Kaarten
|
| Chaetognath spatial distribution and how egg-carrying affects the vertical distribution of Sagitta tasmanica off southern Chile |  |
| Villenas, F.; Palma, S.; Soto, D. (2009). Chaetognath spatial distribution and how egg-carrying affects the vertical distribution of Sagitta tasmanica off southern Chile Sci. Mar. (Barc.) 73(1): 29-38 |
| In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358, meer |
| Trefwoorden |
Spatial distribution; Verticale verdeling; Chaetognatha [pijlwormen] [WoRMS]; ISE, Chile [gazetteer]; Marien |
| Abstract |
Six chaetognath species were determined, all for the first time, in the inner waters between Reloncaví Fjord and Boca del Guafo, Chile. Sagitta tasmanica (85.3%) and Eukrohnia hamata (5.8%) were dominant. Sagitta minima was collected for the first time in the southern channel and fjord region. The largest chaetognath aggregations were found around the Desertores Islands, which create a geographic barrier between two microbasins (north and south) with different oceanographic characteristics. S. decipiens was distributed mostly in the surface layer (0-50 m), whereas E. hamata, S. chilensis, S. minima, and S. enflata were found in deeper waters (50-200 m). The vertical distribution of S. tasmanica was homogeneous; mature, egg-carrying individuals were found at greater depths than those without eggs. |
|
|
|
