Environmental effects on fished lobsters and crabs

Green, Bridget S.; Gardner, Caleb; Hochmuth, Jennifer D.; Linnane, Adrian

doi:10.1007/s11160-014-9350-1

Cited by 81 publications

(56 citation statements)

References 214 publications

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“…Consequently, this may decrease larval recruitment locally or in locations that rely on external sources of larvae (Green et al. ). While the trajectory and ultimate settlement of stone crab larvae from spawning areas is unknown, the complex nature of tidal currents, wind direction, geostrophic flow, diel vertical migration, and selective tidal stream transport dictates recruitment to nurseries (Criales et al.…”

Section: Discussionmentioning

confidence: 99%

“…Reduced batch fecundity, latitudinal variation in the length of the spawning season, and variable spawning 44 biomass may result in fewer eggs in the northern and southern regions of Florida. Consequently, this may decrease larval recruitment locally or in locations that rely on external sources of larvae (Green et al 2014). While the trajectory and ultimate settlement of stone crab larvae from spawning areas is unknown, the complex nature of tidal currents, wind direction, geostrophic flow, diel vertical migration, and selective tidal stream transport dictates recruitment to nurseries (Criales et al 2015).…”

Section: Stone Crab Reproductive Outputmentioning

confidence: 99%

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Fecundity Assessment of Stone Crabs in the Eastern Gulf of Mexico

et al. 2019

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Accurate estimates of reproductive potential are a key component of any stock assessment. Multiple factors influencing the variability in batch fecundity of stone crabs Menippe spp. across the Florida fishery were quantified with a negative binomial regression model. Stone crabs were collected bimonthly from Cedar Key, Tampa Bay, Pavilion Key, and Sawyer Key from April 2013 through April 2015 for fecundity analysis. Batch fecundity (number of eggs per clutch) was estimated by using dry weights. Modeling results revealed that fecundity was strongly and positively related to carapace width and highly variable among locations, months, and years. Batch fecundity was lowest in spring and winter and highest in July and August, which agreed with the general understanding of seasonal patterns in crustacean reproductive cycles. Additionally, batch fecundity was 39% lower for crabs with no claws, indicating that claw removal by the fishery negatively affects reproductive output. Comparisons of estimates from a 1993–1995 fecundity study in Tampa Bay indicated that there was little difference in stone crab fecundity between individuals collected in 1993 and those collected in 2013. But this observed temporal pattern represents observations from only a small portion of the fished population and so may not fully reflect the temporal changes in fecundity occurring throughout the fishery. The present study quantified the spatial and temporal factors influencing variability in stone crab fecundity throughout the fished population of Florida. We hypothesize that spatial differences in food quality, food quantity, and fishing effort may be important drivers of variability in stone crab fecundity. Given the intense harvest and variability in reproductive output, further work should be dedicated to identifying critical spawning and recruitment areas, as well as assessments of their connectivity.

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Section: Discussionmentioning

confidence: 99%

Section: Stone Crab Reproductive Outputmentioning

confidence: 99%

Fecundity Assessment of Stone Crabs in the Eastern Gulf of Mexico

et al. 2019

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“…This can be explored through the examination of the precise ways in which an analogous habitat provides improved conditions. For example, the quantity and quality of an individual's diet have a direct impact on several aspects of its ecology and life history including growth (Buck et al, 2003;Griffen, Guy, & Buck, 2008), offspring quantity and quality (Green, Gardner, Hochmuth, & Linnane, 2014;Millamena & Quinitio, 2000), and bioenergetics (Charron et al, 2015;Riley, Vogel et al, 2014). Thus, an improved diet may itself be the mechanism behind other benefits including increased size.…”

Section: Discussionmentioning

confidence: 99%

An anthropogenic habitat within a suboptimal colonized ecosystem provides improved conditions for a range‐shifting species

Cannizzo

Dixon

Griffen

2018

Ecology and Evolution

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Many species are shifting their ranges in response to the changing climate. In cases where such shifts lead to the colonization of a new ecosystem, it is critical to establish how the shifting species itself is impacted by novel environmental and biological interactions. Anthropogenic habitats that are analogous to the historic habitat of a shifting species may play a crucial role in the ability of that species to expand or persist in suboptimal colonized ecosystems. We tested if the anthropogenic habitat of docks, a likely mangrove analog, provides improved conditions for the range‐shifting mangrove tree crab Aratus pisonii within the colonized suboptimal salt marsh ecosystem. To test if docks provided an improved habitat, we compared the impact of the salt marsh and dock habitats on ecological and life history traits that influence the ability of this species to persist and expand into the salt marsh and compared these back to baselines in the historic mangrove ecosystem. Specifically, we examined behavior, physiology, foraging, and the thermal conditions of A. pisonii in each habitat. We found that docks provide a more favorable thermal and foraging habitat than the surrounding salt marsh, while their ability to provide conditions which improved behavior and physiology was mixed. Our study shows that anthropogenic habitats can act as analogs to historic ecosystems and enhance the habitat quality for range‐shifting species in colonized suboptimal ecosystems. If the patterns that we document are general across systems, then anthropogenic habitats may play an important facilitative role in the range shifts of species with continued climate change.

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“…The study concluded this may be related to the feeding activity of S. serrata , which markedly decreased at temperatures below 20°C (Hill, ). For other crab species, cooler ambient temperatures have been found to negatively affect their growth and survival (Green, Gardner, Hochmuth, & Linnane, ), osmoregulation and energy budget (Madeira, Narciso, Diniz, & Vinagre, ), emergence response time (Briffa, Bridger, & Biro, ), and drive shelf‐wide shifts in populations (Kotwicki & Lauth, ). Considering ambient temperature is an important physical parameter affecting many crab species, a knowledge of the physical processes that drive temperature fluctuations in the bottom boundary layer (BBL; i.e., the crabs’ habitat) over space and time is important for understanding changes in the species’ behaviour.…”

Section: Introductionmentioning

confidence: 99%

“…The study concluded this may be related to the feeding activity of S. serrata, which markedly decreased at temperatures below 20°C (Hill, 1980). For other crab species, cooler ambient temperatures have been found to negatively affect their growth and survival (Green, Gardner, Hochmuth, & Linnane, 2014), osmoregulation and energy budget (Madeira, Narciso, Diniz, & Vinagre, 2014), emergence response time (Briffa, Bridger, & Biro, 2013), and drive shelf-wide shifts in populations (Kotwicki & Lauth, 2013 (Richaud, Kwon, Joyce, Fratantoni, & Lentz, 2016), spatiotemporal variations are commonly associated with physical oceanographic processes that influence cross-shelf transport, such as upwelling and downwelling. Upwelling drives cool, nutrient rich water onto the shelf from deep waters past the shelf break, which can result in short-term (<10 days) decreases in BBLT of up to 5°C (Roughan & Middleton, 2004) and, at times, cooler sea surface temperatures (SST; Suthers et al, 2011).…”

mentioning

confidence: 97%

Bottom boundary layer cooling and wind‐driven upwelling enhance the catchability of spanner crab (Ranina ranina) in South‐East Queensland, Australia

Spencer

Brown

Doubell

et al. 2018

Fisheries Oceanography

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Species catchability is an important parameter used to help optimise stock assessment modelling and the economic efficiency of commercial fishing operations. Previous studies have shown several physical oceanographic parameters, including ambient temperature, waves and currents, affect the catchability of spanner crabs (Ranina ranina) throughout the Indo‐Pacific. Most notably in the Australian fishery, where oceanographic processes vary over space and time, a positive relationship between bottom boundary layer temperature (BBLT) and catch rates was observed. Here, we aimed to better understand how localised oceanographic processes affected this relationship in the southernmost South‐East Queensland (SEQ) sector of the Australian fishery at seasonal and short temporal scales. Our results show cooler BBLT, upwelling‐favourable alongshore wind stress and increased catch rates occurred during mating season in austral spring. At the end of austral summer, BBLT began warming, downwelling‐favourable winds were dominant, and catch rates declined around the post‐moult period. Outputs from the generalised linear models (GLMs) that separated these effects in each season show that, at shorter temporal scales, daily catch rates also increased with episodic BBLT cooling and upwelling‐favourable alongshore wind stress, but only during austral autumn and winter. These new findings suggest that region‐specific, short‐term and seasonal variability of oceanographic processes responsible for changes in BBLT play an important role in influencing the catchability of spanner crabs. We suggest that the effects of region‐specific physical oceanographic processes must be considered in future work when investigating the catchability of commercially important fisheries species fished over large spatial domains.

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Environmental effects on fished lobsters and crabs

Cited by 81 publications

References 214 publications

Fecundity Assessment of Stone Crabs in the Eastern Gulf of Mexico

Fecundity Assessment of Stone Crabs in the Eastern Gulf of Mexico

An anthropogenic habitat within a suboptimal colonized ecosystem provides improved conditions for a range‐shifting species

Bottom boundary layer cooling and wind‐driven upwelling enhance the catchability of spanner crab (Ranina ranina) in South‐East Queensland, Australia

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