Environmental influences on the relationship between juvenile and larval growth of Atlantic croaker Micropogonias undulatus

Searcy, Steven P.; Eggleston, David B.; Hare, Jonathan A.

doi:10.3354/meps07124

Cited by 15 publications

(16 citation statements)

References 22 publications

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“…croakers Micropogonias spp. (Sciaenidae): Searcy, Eggleston & Hare, , b; Hoover et al, ]. Emerging data suggest the temporal extent of estuarine occupation by ELH fishes may have been underestimated in the past, which may have important implications for the management and protection of estuaries as key habitats for both the purposes of nursery habitats and connectivity corridors for fishes spanning multiple biomes (e.g.…”

Section: Biomes and Geographical Regionsmentioning

confidence: 99%

All in the ears: unlocking the early life history biology and spatial ecology of fishes

2014

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Obtaining biological and spatial information of the early life history (ELH) phases of fishes has been problematic, such that larval and juvenile phases are often referred to as the 'black box' of fish population biology and ecology. However, a potent source of life-history data has been mined from the earstones (otoliths) of bony fishes. We systematically reviewed 476 empirical papers published between 2005 and 2012 (inclusive) that used otoliths to examine fish ELH phases, which has been an area of increasing attention over this period. We found that otolith-based research during this period could be split into two broad themes according to whether studies examined: (i) biological objectives related to intrinsic processes such as larval and juvenile age, growth and mortality, and/or (ii) spatial objectives, such as habitat use, dispersal and migration. Surprisingly, just 24 studies (5%) explored a combined biological-spatial objective by simultaneously exploiting biological and spatial information from otoliths, suggesting much more scope for such integrated research objectives to be answered via the use of multiple otolith-based techniques in a single study. Mapping otolith analytical techniques across these two approaches revealed that otolith structural analysis was mainly used to investigate biological processes, while otolith chemical analyses were most often applied to spatial questions. Heavy skew in research effort was apparent across biomes, with most (62%) publications specific to marine species, despite comparable levels of species richness and the importance of freshwater taxa (just 15% of papers). Indeed, around 1% (380 species) of a possible 31400+ extant species were examined in our surveyed papers, with a strong emphasis on temperate marine species of commercial value. Potential model species for otolith-based ELH ecology research are arising, with the eel genus Anguilla (24 studies) and the European anchovy Engraulis encrasicolis (14 studies) attracting more research effort than most other taxa. While there is a preponderance of common techniques (e.g. daily otolith increment counts, increment widths), novel techniques such as transgenerational marking and computed X-ray tomography, are increasingly being applied in published studies. The application of an integrative approach based on a combination of emerging techniques and traditional methods holds promise for major advances in our understanding of ELH fish ecology and to shine light into the 'black box' of fish ecology.

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Section: Biomes and Geographical Regionsmentioning

confidence: 99%

All in the ears: unlocking the early life history biology and spatial ecology of fishes

2014

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“…habitat quality; Searcy et al 2007) in the post-settlement stage. However, the strength of carry-over effects may vary through time (e.g.…”

Section: Variation In Carry-over Effects On Growthmentioning

confidence: 99%

Variation in the effects of larval history on juvenile performance of a temperate reef fish

Smith¹,

Shima²

2011

Austral Ecology

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For organisms with complex life cycles, the transition between life stages can act as a significant demographic and selective bottleneck. Variation in developmental and growth rates among individuals present in one stage (e.g. larvae), due to initial differences in parental input and/or environmental conditions experienced, can propagate to future stages (e.g. juveniles), and such 'carry-over effects' can shape fitness and phenotypic distributions within a population. However, variation in the strength of carry-over effects between life stages and the intensity of selective mortality acting on intrinsic variation, and how these might be mediated by environmental variability in natural systems, is poorly known. Here, we evaluate variation in the strength to which larval growth histories can mediate juvenile performance (growth and survival), for a reef fish (Forsterygion lapillum) common to rocky reefs of New Zealand. We used otoliths to reconstruct demographic histories of recently settled fish that were sampled across cohorts, sites and microhabitats. We quantified sources of variation in the strength of carry-over effects and selective mortality that operate on larval growth histories. We found overall that individuals that grew fast as larvae tended to experience proportional growth advantages as juveniles. However, the strength of growth advantages being maintained into the juvenile period varied among cohorts, sites and microhabitats. Specifically, a stronger growth advantage was found on some microhabitats (e.g. mixed stands of macroalgae) relative to others (e.g. monocultures of Carpophyllum maschalocarpum) for some cohorts and sites only. For other cohorts and sites, the degree of coupling between larval and juvenile growth rates was either indistinguishable between microhabitats or else not evident. Similarly, the intensity of growth-based selective mortality varied among cohorts, sites and microhabitats: for the cohort and site where carry-over effects differed between microhabitats, we also observed difference in the intensity to which fish with rapid larval growth rates were favoured. Overall, our results highlight how this spatial and temporal patchiness in extrinsic factors can interact with intrinsic variation of recruiting individuals to have a major influence on the resulting distribution of juveniles and their phenotypic traits.

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“…If spatio-temporally variable environmental factors play an important role in recruitment (Love et al 2006), traditional estimates of spawning stock biomass may underestimate recruitment of fishes. Both water temperature and stream discharge notably influence growth and survivorship of youngof-year fishes (Rogers et al 1984, Hare & Able 2007, Searcy et al 2007). Environmental conditions and warm winters influenced overwintering survivorship of juvenile Atlantic croaker more so than density of larval fish entering estuaries in the Mid-Atlantic Bight (Hare & Able 2007).…”

Section: Discussionmentioning

confidence: 99%

Spatio-temporal patterns of larval fish ingress to Chincoteague Bay, Maryland, USA during winter and spring 2004 to 2007

Love

Luers²,

Williams³

2009

Mar. Ecol. Prog. Ser.

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) to evaluate spatial and temporal differences in ichthyoplankton catches. Larval fish assemblages were represented by 11 species. The most abundant larvae included American eel Anguilla rostrata, summer flounder Paralichthys dentatus, and spot Leiostomus xanthurus. Common larval fishes did not differ in number between northern and southern inlets that provide access between Chincoteague Bay and the Atlantic Ocean, but did differ among years and between seasons. Wind angle and offshore water temperature were predictive of ingress for some species, but patterns were not strong. Canonical correspondence analyses of ichthyoplankton assemblage data indicated that ingress was better predicted by season and year rather than specific environmental variables (e.g. offshore water temperature, moon phase, wind angle). Seasonal patterns in larval fish ingress were consistent with those from other coastal lagoon networks along the eastern USA seaboard. Preliminary work suggests that interannual variation in larval fish abundance was generally related to juvenile fish abundance. We encourage more efforts aimed at larval fish monitoring, which may serve as a relatively inexpensive method for addressing larger spatio-temporal scale questions about fish recruitment. KEY WORDS: Environment · Coastal bay · Inlet · Recruitment · Marine · EstuaryResale or republication not permitted without written consent of the publisher Mar Ecol Prog Ser 377: 203-212, 2009 Along the eastern shore of Maryland and Virginia a number of fishes use estuaries as nurseries (Casey & Wesche 2001), including species that are recreationally valuable (e.g. summer flounder Paralichthys dentatus L.), commercially valuable (e.g. Atlantic menhaden Brevoortia tyrannus (Latrobe)), and ecologically valuable (e.g. Bay anchovy Anchoa mitchilli (Cuvier & Valenciennes)). Despite their potential value as nurseries for Atlantic coastal stocks, no work has been published on the use of the coastal lagoons of Maryland and Virginia (hereafter, the coastal lagoons) by larval fishes. Larval fish studies of the coastal lagoons also fill an important geographic data gap between more northerly and southerly inlets with the longest running larval fish monitoring programs on the eastern coast of the USA (Little Egg Inlet, New Jersey and Beaufort Inlet, North Carolina) (Hettler & Hare 1998.The objectives of our study were (1) to determine the abundance and species of larval fish entering the largest coastal estuary of Maryland and Virginia, Chincoteague Bay, (2) to determine if larval fish densities differ between seasons (November to January; February to April), among years (2004 to 2007), or between 2 inlets of Chincoteague Bay, (3) to determine if measured climatic and habitat variables were significantly related to composition of ichthyoplankton entering Chincoteague Bay, and (4) to provide preliminary results on how larval densities and environmental conditions affected juvenile abundance in 3 years for 3 species of fish: Atlantic croaker Micropogonias undulatus (L.), spot...

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Environmental influences on the relationship between juvenile and larval growth of Atlantic croaker Micropogonias undulatus

Cited by 15 publications

References 22 publications

All in the ears: unlocking the early life history biology and spatial ecology of fishes

All in the ears: unlocking the early life history biology and spatial ecology of fishes

Variation in the effects of larval history on juvenile performance of a temperate reef fish

Spatio-temporal patterns of larval fish ingress to Chincoteague Bay, Maryland, USA during winter and spring 2004 to 2007

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