Hostname: page-component-78c5997874-fbnjt Total loading time: 0 Render date: 2024-11-19T13:04:16.410Z Has data issue: false hasContentIssue false
  • English
  • Français

The spawning spatial structure of two co-occurring small pelagic fish off central southern Chile in 2005

Published online by Cambridge University Press:  17 May 2007

Claudio Castillo-Jordán ,
Luis A. Cubillos  and
Jorge Paramo
Claudio Castillo-Jordán
Affiliation:
Laboratorio de Evaluación de Poblaciones Marinas (EPOMAR), Departamento de Oceanografía, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Luis A. Cubillos
Affiliation:
Laboratorio de Evaluación de Poblaciones Marinas (EPOMAR), Departamento de Oceanografía, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Jorge Paramo
Affiliation:
Grupo de Investigación Ciencia y Tecnología Pesquera Tropical (CITEPT), Universidad del Magdalena, Carrera 32, N 22-08, Santa Marta, Colombia
Get access

Abstract

Anchovy and common sardine co-occur in the same reproductive and feeding habitat off central southern Chile (33°00'–41°20'S), and have a similar reproductive strategy. Egg-survey data from one survey carried out during the austral winter in 2005 were used to analyze the spawning spatial structure of anchovy (Engraulis ringens) and common sardine (Strangomera bentincki) through geostatistical techniques and generalized additive models. The spawning spatial structure of both species was characterized by a spatial autocorrelation intensity varying similarly with distance in all directions, ranging between 27.2 and 32.6 km for anchovy and common sardine, respectively. In average, egg density of anchovy was higher than egg density of common sardine, with the bulk of the spawning for both species located in the southern sector of the study area (38°S–40°S). In this sector, both species showed an overlapped distribution, and egg densities were mainly associated to shallow and coastal zones, suggesting that coastal shape and bottom depth are important factors for the spawning of both species. In the south sector, the egg density of both species was positively correlated, indicating that spatial structure of the spawning is not explained by a different strategy of space occupation among anchovy and common sardine.

Keywords

Spatial structureGeostatisticsGAM modelingSpawning areasPelagic fish eggsAnchovySardine
Type
Research Article
Information
Aquatic Living Resources , Volume 20 , Issue 1: New developments in coastal environment research: results from the national coastal environment program , January 2007 , pp. 77 - 84
Copyright
© EDP Sciences, IFREMER, IRD, 2007

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Bakun A., 1996, Patterns in the ocean: ocean processes and marine population dynamics. University of California Sea Grant, San Diego, California, USA, and Centro de Investigaciones Biológicas de Noroeste, La Paz, Baja California Sur, México.
Barange, M., Coetzee, J.C., Twatwa, N.M., 2005, Strategies of space occupation in anchovy and sardine in the southern Benguela: the role of stock size and intra-species competition. ICES J. Mar. Sci. 62, 645–654. CrossRef
Castillo J., Barbieri M.A., Espejo M., Saavedra A., Catasti V., 2002, Evaluación acústica de la biomasa, abundancia, distribución espacial y caracterización de las agregaciones de anchoveta y sardina común en el periodo de desove, invierno 2001. In: Evaluacion hidroacústica del stock desovante de anchoveta y sardina común, centro-sur, 2001. Inf. Téc. FIP–IT/2001-14, 241 p. (http://www.fip.cl)
Castillo J., Saavedra A., Gálvez P., 2005, Evaluación acústica de la biomasa, abundancia, distribución espacial y caracterización de cardúmenes de anchoveta y sardina común durante el periodo de reclutamiento. Zona Centro-Sur. Verano 2005. In: Evaluación hidroacústica del reclutamiento de anchoveta y sardina común entre V y X Regiones, 2004. Inf. Téc. FIP–IT/2004-05, 206 p. (http://www.fip.cl)
Castro L., Quiñones R., Arancibia H., Figueroa D., Roa R., Sobarzo M., Retamal M., 1997, Areas de desove de anchoveta y sardina común en Chile central. Inf. Téc. FIP-IT/96-11, 114 p. (http://www.fip.cl)
Castro, L.R., Hernández, E.H., 2000, Early life stages survival of the anchoveta, Engraulis ringens, off central Chile during the 1995 and 1996 winter spawning season. Trans. Am. Fish. Soc. 129, 1107–1117. 2.0.CO;2>CrossRef
Castro, L.R., Salinas, G.R., Hernández, E.H., 2000, Environmental influences on winter spawning of the anchoveta, Engraulis ringens, off Central Chile. Mar. Ecol. Prog. Ser. 197, 247–258. CrossRef
Cressie, N.A.C., Hawkins, D.M., 1980, Robust estimation of the variogram. I. J. Int. Assoc. Math. Geol. 12, 115–125. CrossRef
Cressie N.A.C., 1993, Statistics for spatial data. John Wiley and Sons, New York.
Cubillos L., Canales M., Hernández A., Bucarey D., Vilugrón L., Miranda L.. 1998, Poder de pesca, esfuerzo de pesca y cambios estacionales e interanuales en la abundancia relativa de Strangomera bentincki y Engraulis ringens en el área frente a Talcahuano, Chile (1990–1997). Invest. Mar. 26, 3–14.
Cubillos, L., Canales, M., Bucarey, D., Rojas, A., Alarcón, R., 1999, Epoca reproductiva y talla media de primera madurez sexual de Strangomera bentincki y Engraulis ringens en la zona centro-sur de Chile en el período 1993–1997. Invest. Mar. 27, 73–86. CrossRef
Cubillos, L.A., Arcos, D.F., Canales, M., Bucarey, D., 2001, Seasonal growth of small pelagic fish off Talcahuano (37°S–73°W), Chile: a consequence of their reproductive strategy to seasonal upwelling? Aquat. Living Resour. 14, 115–124. CrossRef
Cubillos, L.A., Bucarey, D.A., Canales, M., 2002, Monthly abundance estimation for common sardine Strangomera bentincki and anchovy Engraulis ringens in the central-south Chile (34–40°S). Fish. Res. 57, 117–130. CrossRef
Cubillos L.A., Arcos D.F. 2002, Recruitment of common sardine (Strangomera bentincki) and anchovy (Engraulis ringens) in the 1990s, and impact of the 1997–98 El Niño. Aquat. Living Resour. 15, 87–94.
Cubillos L., Castro L., Oyarzún C. 2005, Evaluación del stock desovante de anchoveta y sardina común entre la V y X Regiones, año 2004. Inf. Téc. FIP–IT/2004-03, 120 p. (http://www.fip.cl)
Gerlotto, F., Castillo, J., Saavedra, A., Barbieri, M.A., Espejo, M., Cotel, P., 2004, Three-dimensional structure and avoidance behaviour of anchovy and common sardine schools in central southern Chile. ICES J. Mar. Sci. 61, 1120–1126. CrossRef
Giannoulaki, M., Machias, A., Koutsikopoulus, Somarakis S., 2006, The effect of coastal topography on the spatial structure of anchovy and sardine. ICES J. Mar. Sci. 63, 650–662. CrossRef
Ihaka, R., Gentleman, R., 1996, A language for data analysis and graphics. J. Comput. Graph. Stat. 5, 299–314.
Isaaks E.H., Srivastava R.M. 1989, An introduction to applied geostatistics. Oxford University Press, New York.
Lo, N.C.H., Hunter, J.R., Charter, R., 2001, Use of a continuous egg sampler for ichthyoplankton surveys: application to the estimation of daily egg production of Pacific sardine (Sardinops sagax) off California. Fish. Bull. 99, 554–571.
Maravelias, C., Reid, D.G., Simmonds, E.J., Haralabous, J., 1996, Spatial analysis and mapping of acoustic survey data in the presence of high local variability: geostatistical application to North Sea herring (Clupea harengus). Can. J. Fish. Aquat. Sci. 53, 1497–1505. CrossRef
Petitgas, P., 1993, Geostatistics for fish stock assessments: a review and an acoustic application. ICES J. Mar. Sci. 50, 285–298. CrossRef
Petitgas, P., 2001, Geoestatistics in fisheries survey design and stock assessment: models, variances and applications. Fish. Fish. 2, 231–249. CrossRef
Petitgas P., Prampart A., 1995, EVA: Estimation Variance: A geostatistical software for structure characterization and variance computation, Editions de l'Orstom, collection logORSTOM, Paris.
Petitgas P., Lafont T., 1997, EVA 2: Estimation Variance. Version 2: A geostatistical software on Windows 95 for the precision of fish stock assessment surveys. ICES CM-1997/Y:22.
Quiñones, R.A., Montes, R.M., 2001, Relationship between freshwater input to the coastal zone and the historical landings of the benthic/demersal fish Eleginops maclovinus in central-south Chile. Fish. Oceanogr. 10, 311–328 CrossRef
Rivoirard J., Simmonds J., Foote K.G., Fernandes P., Bez N., 2000, Geostatistics for Estimating Fish Abundance. Blackwell Science, London.
SERNAPESCA, 2006, Anuario estadístico de pesca, 2005. Servicio Nacional de Pesca, Chile.
Smith, P.E., Flerx, W., Hewitt, R.P., 1985, The CalCOFI vertical egg tow (CalVET) net. In: R. Lasker (ed.), An egg production method for estimating spawning biomass of pelagic fish: application to the northern anchovy, Engraulis mordax. U.S. Dep. Commer., NOAA Tech. Rep. NMFS 36, 27–32.
Stratoudakis, Y., Bernal, M., Borchers, D.L., Borges, M.F., 2003, Changes in the distribution of sardine eggs and larvae off Portugal, 1985-2000. Fish. Oceanogr. 12, 49–60. CrossRef
Wood, S.N., 2000, Modelling and smoothing parameter estimation with multiple quadratic Penalties. J. R. Stat. Soc. B 62, 413–428. CrossRef
Wood, S.N., 2003, Thin-plate regression splines. J. R. Stat. Soc. B 65, 95–114. CrossRef
Wood, S.N., Augustin, N.H., 2002, GAMs with integrated model selection using penalized regression splines and applications to environmental modelling. Ecol. Model. 157, 157–177. CrossRef