Vertical distribution of barnacle larvae at a fixed nearshore station in southern California: Stage-specific and diel patterns

Tapia, Fabián J.; DiBacco, Claudio; Jarrett, Jeremiah N.; Pineda, Jesús

doi:10.1016/j.ecss.2009.11.003

Cited by 51 publications

(61 citation statements)

References 35 publications

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“…Cyprids were deeper than nauplii (as in Shanks & Shearman 2009, Tapia et al 2010, Bonicelli et al 2016, which could be due to the negative buoyancy of cyprids. Cyprids have been found at near-bottom depths (Barnett & Jahn 1987, Pineda 1991, Bonicelli et al 2016; non-feeding cyprids may seek deeper, cooler waters to lower their metabolic rate, thus maintaining storage reserves and remaining competent longer before finding a suitable place to settle.…”

Section: Discussionmentioning

confidence: 99%

“…1). We selected this study area as the shoreline provides extensive adult barnacle habitat, particularly for the abundant Chthamalus fissus, and larvae of the predominant barnacle species in the region have been observed in surrounding nearshore waters (C. fissus, Balanus glandula, Megabalanus californicus, and Pollicipes polymerus ;Hoffman 1989, Pineda 1991, 1999, Pineda & López 2002, Tapia & Pineda 2007, Tapia et al 2010. Further, the shelf bathymetry is simple.…”

Section: Study Site and Systemmentioning

confidence: 99%

“…Cyprids are especially interesting because to complete their life cycle they must return to the intertidal zone to find suitable habitats and settle before metamorphosis into juveniles. Larvae can alter their behavior to move into different depths, thus controlling their cross-shore movements through exposure to varying currents (Metaxas 2001, Tapia et al 2010, Pineda & Reyns 2018. Cues that might be used to make vertical changes in distribution include temperature.…”

Section: Introductionmentioning

confidence: 99%

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Constrained nearshore larval distributions and thermal stratification

Hagerty¹,

Reyns²,

Pineda³

2018

Mar. Ecol. Prog. Ser.

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Vertical and cross-shore distributions and abundances of shallow-water barnacle larvae were characterized in La Jolla, southern California (USA), during a 2 yr period. Five stations located within 1 km of shore and ranging from 4−12 m water depths were sampled intensively in 2 m depth intervals during 27 cruises throughout spring−summer (April−July) and fall−winter (October−December) of 2014 and 2015. Larval abundances significantly decreased from 2014 to 2015, which could be related to the arrival of a warm-water anomaly (the so-called 'Blob') in 2014 and El Niño conditions in 2015. Despite the presence of these large-scale regional disturbances, vertical and cross-shore larval distributions were consistent throughout the 2 yr study period. Early-stage nauplii and Chthamalus fissus cyprids tracked bottom depth, and cyprids were on average deeper than nauplii. Vertical distributions were not related to the mid-depth of the thermocline or thermal stratification. Early-stage nauplii had a broader cross-shore distribution than cyprids, which were concentrated at inshore stations. Nearshore cyprid concentration had a positive relationship with thermal stratification, and the center of distribution of cyprids was farther offshore during fall−winter when stratification decreased. These results suggest that thermal stratification elicits enhanced behavioral control of cyprids to remain close to shore and reach the adult habitat.

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Section: Discussionmentioning

confidence: 99%

Section: Study Site and Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Constrained nearshore larval distributions and thermal stratification

Hagerty¹,

Reyns²,

Pineda³

2018

Mar. Ecol. Prog. Ser.

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“…Although several studies have highlighted the role of clines in the aggregation of zooplankters and their food, creating biological hotspots (Raby et al 1994, Grønkjaer & Wieland 1997, Woodson & McManus 2007, Tapia et al 2010, Woodson et al 2012), a strong halocline (i.e., pycnocline) occurred throughout the study at both stations, and this oceanographic feature did not affect the feeding success of fish larvae. Pycnoclines may provide optimal conditions for phytoplankton growth and can be regions of enhanced phytoplankton biomass as a result of both passive and active organism responses (McManus & Woodson 2012).…”

Section: Discussionmentioning

confidence: 99%

Feeding of a larval clinid fish in a microtidal estuary from southern Chile

Ochoa-Muñoz

Valenzuela

Toledo

et al. 2013

Rev. biol. mar. oceanogr.

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Resumen.-Es ampliamente reconocida la utilización de estuarios como zonas de crianza para peces e invertebrados, pero el éxito en la explotación de los recursos variará entre las especies residentes del estuario y las oportunistas. Se estudió la distribución y dieta de larvas de Myxodes viridis (Pisces, Clinidae) en 2 localidades del estuario de Bahía Corral (estuarioarriba y estuario-abajo), uno de los estuarios más grandes del sur de Chile, durante la primavera austral de 2009 a 3 profundidades (superficie, picnoclina, profundo) durante la fase llenante y vaciante de 4 ciclos mareales. Las larvas fueron recolectadas principalmente en la estación estuario-abajo durante fase vaciante. La incidencia alimentaria también fue mayor en la fase vaciante; las larvas cambiaron de omnivoría a carnivoría a medida que se desarrollaban, depredando principalmente sobre nauplii y copepoditos calanoideos. Aunque el éxito alimentario fue similar para cada estado de desarrollo en la columna de agua, la dieta de larvas en preflexión y flexión estuvo basada en diferentes ítems presa dentro de los primeros 3-4 m de la columna de agua (superficie y picnoclina) con respecto de aguas más profundas (7-10 m, cerca del fondo). Esto sugiere que la picnoclina pudiera afectar la composición de la dieta de larvas pequeñas de M. viridis, pero no el tamaño, número o volumen de presas ingeridas. Además, ya que el forrajeo está basado predominantemente en diferentes estados de desarrollo de copépodos, las larvas que emergen durante vaciante pueden incrementar la advección fuera del estuario hacia zonas costeras cercanas, indicando que esta especie no es un usuario frecuente del estuario durante su desarrollo larval. Palabras clave: Myxodes viridis, ictioplancton, éxito alimentario, Bahía CorralAbstract.-The utilization of estuaries as nursery zones for fish and invertebrates is widely known, but differences in the success of resource exploitation vary between resident and opportunistic estuarine species. The distribution and diet of larval Myxodes viridis (Pisces, Clinidae) were studied at 2 locations (up-estuary and down-estuary) in the Corral Bay estuary, one of the largest estuaries in southern Chile, during the austral spring 2009 at 3 depths (surface, pycnocline, deep) during the flood and ebb of 4 tidal cycles. Larvae were collected mostly at the down-estuary station during the ebb phase. Feeding incidence was also greater during the ebb phase; larvae changed from omnivory to carnivory as they developed, predating mainly on nauplii and calanoid copepodites. Although the feeding success was similar for each developmental stage along the water column, diet of preflexion and flexion larvae was different in the first 3-4 m depth (surface and pycnocline) in relation to deeper waters (7-10 m depth, near to the bottom). This suggests that the pycnocline may affect the composition of the diet of small, larval M. viridis but not the size, number or volume of ingested prey. Additionally, because foraging is predominantly based on the different life ...

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“…[55]). Besides, larvae are able to control their position in the water column and move together with the main current at that speciic depth [56][57][58], what in turn might result in variability of larval supply in time and space [59]. Some oceanographic features that accumulate and transport marine invertebrate larvae are responsible for disturbing phytoplankton as well.…”

Section: Larval Transport Setlement and Recruitmentmentioning

confidence: 99%