Temporal variation in substratum specificity of Semibalanus balanoides (Linnaeus) cyprids

Jarrett, Jeremiah N.

doi:10.1016/s0022-0981(96)02726-8

Cited by 44 publications

(31 citation statements)

References 25 publications

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“…This result contrasts with recent supply-side studies focusing on barnacle settlement (Grosberg 1982 High Medium Low studies which have dealt with such topics involved the boreo-arctic barnacle Semibalanus balanoides (Jarrett 1997). The latter study showed that specificity of daily cohorts of settling cyprids for a conspecific cue varied considerably during the recruitment season, while Jarrett & Pechenik (1997) went further in suggesting, from laboratory experiments on field-sampled individuals, that variations in cyprid organic content during the presettlement period may explain the observed 'dramatic' temporal variation in the fate of newly settled cyprids (metamorphosis success, post-metamorphosis survival and juvenile growth capacity).…”

Section: Biofilm Features and Settlement Intensitycontrasting

confidence: 80%

Barnacle settlement:field experiments on the influence of larval supply, tidal level, biofilm quality and age on Balanus amphitrite cyprids

Olivier¹,

Tremblay²,

Bourget³

et al. 2000

Mar. Ecol. Prog. Ser.

123

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A set of 3 field experiments lasting 24 h was conducted during April 1998 at the Duke University Marine Laboratory (Beaufort, North Carolina, USA) to: (1) assess the influence of larval supply, intertidal height, quantity and quality of biofilm and age of the larvae on the settlement of Balanus amphitrite Darwin and (2) examine the correspondence between small-scale planktonic distribution of larvae, the initial spatial pattern of newly settled larvae and the vertical distribution of adult barnacles. Precolonized methacrylate (Plexiglas) disks, arranged within 3 blocks and established so as to eliminate edge effects within 3 large experimental panels, were placed at 3 predetermined tidal heights (High, Medium, Low) corresponding to the upper lirmt, modal zone and the lower limit of adults of B. amphitrite. Split-split-plot ANOVAs were performed on densities of newly attached larvae (metamorphosis not completed) to test their habitat selection behavior to surfaces which had been precolonized by microbiota (bacteria and diatoms) at 3 heights (origin factor) for 0, 7, 14 or 21 d (age factor). The physical environment (salinity, temperature, current flow) was stable and comparable during the 3 experiments. B. amphitrite cyprids were uniformly distributed in the water column. Larval supply was poorly correlated with the intensity of settlement over the 1 wk experimental period. In fact, the same larval supply could induce either high (4x) or low ( l X) settlement after 2 tidal cycles, and, inversely, similar settlement intensities were associated with planktonic larval abundance varying significantly at 2 d intervals (109 to 171 cyprids 923 l-l). Settlement was homogeneous on each experimental unit (no significant block effect). Tidal height, however, was a significant factor in determining the vertical patterns of newly settled larvae during the first experiment where larvae were abundant but not during subsequent experiments for which fewer larvae were collected. The degree of microbial precolonization was the main parameter affecting the settlement of B. amphitrite. For the first 2 experiments, 'weighed cyprid settlement' significantly decreased as the age of the biofilrn increased, revealing a strong preference of settlers for clean surfaces and avoidance of biofouled surfaces of all intertidal origins. Further analysis of biofilm samples showed that free-space availability in the microbial film and bacterial densities were significantly inversely correlated to settlement intensity. Moreover, settlement to 'favorable' substrata decreased by nearly % during our experimental period, suggesting changes in the selectivity of settling larvae. Our experiments confirm the role of larval supply in determining the vertical intertidal distribution of adults of B. amphitrite, but the short-term variability in the larval supplyhettlement coupling observed over a 1 wk period must be integrated in models of recruitment dynamics of barnacles.

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Section: Biofilm Features and Settlement Intensitycontrasting

confidence: 80%

Barnacle settlement:field experiments on the influence of larval supply, tidal level, biofilm quality and age on Balanus amphitrite cyprids

Olivier¹,

Tremblay²,

Bourget³

et al. 2000

Mar. Ecol. Prog. Ser.

123

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“…The intraspecific differences in larval settlement behaviour and thus dispersal potential found by Toonen & Pawlik (2001a) were principally determined by genetic factors. Over 2 very different temporal scales, Jarrett (1997) and Miron et al (2000) found that energetic reserves strongly affect the settlement behaviour of barnacle cyprids (see also Harder et al 2001). Larval size appears to be another source of intraspecific variation in dispersal potential in marine invertebrates.…”

Section: Discussionmentioning

confidence: 98%

Variation in the dispersal potential of non-feeding invertebrate larvae: the desperate larva hypothesis and larval size

Marshall¹,

Keough²

2003

Mar. Ecol. Prog. Ser.

214

190

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“…A conspecific cue was identified and chemically characterized (Knight-16 Jones, 1953;Crisp and Meadows, 1962;1963). Extracted from adult barnacles, this cue could be 17 applied to experimental substrates to demonstrate its influence in settlement induction in the 18 laboratory and in the wild (Larman and Gabbott, 1975;Jarrett, 1997). These discoveries allowed 19 subsequent researchers to examine the role of the conspecific cue in natural settings.…”

mentioning

confidence: 99%

Causes of decoupling between larval supply and settlement and consequences for understanding recruitment and population connectivity

Pineda

Porri

Starczak

et al. 2010

Journal of Experimental Marine Biology and Ecology

177

100

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Marine broadcast spawners have two-phase life cycles, with pelagic larvae and benthic adults. 2 Larval supply and settlement link these two phases and are crucial for the persistence of marine 3 populations. Mainly due to the complexity in sampling larval supply accurately, many 4 researchers use settlement as a proxy for larval supply. Larval supply is a constraining variable 5 for settlement because, without larval supply, there is no settlement. Larval supply and 6 settlement may not be well correlated, however, and settlement may not consistently estimate 7 larval supply. 8This paper explores the argument that larval supply (i.e., larval abundance near settlement sites) 9 may not relate linearly to settlement. We review the relationship between larval supply and 10 settlement, from estimates and biases in larval supply sampling, to non-behavioral and 11 behavioral components, including small-scale hydrodynamics, competency, gregarious behavior, 12 intensification of settlement, lunar periodicity, predation and cannibalism. Physical and structural 13 processes coupled with behavior, such as small-scale hydrodynamics and intensification of 14 settlement, sometimes result in under-or overestimation of larval supply, where it is predicted 15 from a linear relationship with settlement. Although settlement is a function of larval supply, 16 spatial and temporal processes interact with larval behavior to distort the relationship between 17 larval supply and settlement, and when these distortions act consistently in time and space, they 18 cause biased estimates of larval supply from settlement data. 19Most of the examples discussed here suggest that behavior is the main source of the decoupling 20 between larval supply and settlement because larval behavior affects the vertical distribution of 21 3 larvae, the response of larvae to hydrodynamics, intensification of settlement, gregariousness, 1 predation and cannibalism. Thus, larval behavior seems to limit broad generalizations on the 2 regulation of settlement by larval supply. Knowledge of the relationship is further hindered by 3 the lack of a well founded theoretical relationship between the two variables. 4The larval supply-settlement transition may have strong general consequences for population 5 connectivity, since larval supply is a result of larval transport, and settlement constrains 6 recruitment. Thus, measuring larval supply and settlement effectively allows more accurate 7 quantification and understanding of larval transport, recruitment and population connectivity. 8 9 4

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Temporal variation in substratum specificity of Semibalanus balanoides (Linnaeus) cyprids

Cited by 44 publications

References 25 publications

Barnacle settlement:field experiments on the influence of larval supply, tidal level, biofilm quality and age on Balanus amphitrite cyprids

Barnacle settlement:field experiments on the influence of larval supply, tidal level, biofilm quality and age on Balanus amphitrite cyprids

Variation in the dispersal potential of non-feeding invertebrate larvae: the desperate larva hypothesis and larval size

Causes of decoupling between larval supply and settlement and consequences for understanding recruitment and population connectivity

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