The effect of stock abundance on range contraction of yellowtail flounder (Pleuronectes ferruginea) on the Grand Bank of Newfoundland in the Northwest Atlantic from 1975 to 1995

Brodie, William; Walsh, Stephen J.; Atkinson, Doug

doi:10.1016/s1385-1101(97)00056-7

Cited by 23 publications

(20 citation statements)

References 11 publications

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“…Abundance-area relationships have been detected for numerous marine species, including Atlantic cod (Swain & Wade 2003, Blanchard et al 2005, herring Clupea harengus (Ulltang 1980), yellowtail flounder Limanda ferruginea (Brodie et al 1998, Simpson & Walsh 2004) and several flatfish species in the eastern Bering Sea (McConnaughey 1995). In contrast, no such relationship has been detected in other species e.g.…”

Section: Relevance To Management and Conservationmentioning

confidence: 99%

Density-dependent habitat selection in marine flatfish: the dynamic role of ontogeny and temperature

Laurel¹,

Stoner²,

Hurst³

2007

Mar. Ecol. Prog. Ser.

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Changes in habitat use with increasing conspecific density are well-documented, but such patterns are likely to be dynamic over the lifespan of the organism and responsive to changes in the environment. In the laboratory, we examined how habitat selection was mediated by ontogeny (6, 8 and 12 mo) and temperature (4 and 9°C) in 2 juvenile, marine flatfish species: Pacific halibut Hippoglossus stenolepis and northern rock sole Lepidopsetta polyxystra. In a set of initial trials at 9°C, groups of same-aged juvenile flatfish (6, 8 or 12 mo) of either halibut or rock sole were given the choice of 2 habitats -fine sand (preferred) and coarse gravel (unpreferred) -at 1 of 6 densities (0.4 to 12.2 fish m -2 ). A second set of trials was conducted at 4°C using 8 mo juvenile fish of both species over the same range of densities. At 9°C, density-dependent habitat selection was observed among all treatment groups. As juveniles increased in age in the 9°C treatments, both species began occupying the less-preferred gravel habitat at lower densities. However, at 4°C, density-dependent habitat selection varied between species. Sand habitat supported higher densities of juvenile Pacific halibut at 4°C whereas no change was observed in northern rock sole. Juvenile Pacific halibut activity was also lower than rock sole at 4°C, suggesting that competitive interactions (e.g. interference, territoriality etc.) and/or physiological demands of halibut is sufficiently reduced at this temperature to increase the carrying capacity of the preferred habitat. Together, these results indicate that temperature, ontogeny and density interact to yield unique habitat selection patterns in fish, mechanisms that may be important in area-abundance relationships.KEY WORDS: Density-dependence · Habitat selection · Carrying capacity · Pacific halibut · Northern rock sole Resale or republication not permitted without written consent of the publisher

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Section: Relevance To Management and Conservationmentioning

confidence: 99%

Density-dependent habitat selection in marine flatfish: the dynamic role of ontogeny and temperature

Laurel¹,

Stoner²,

Hurst³

2007

Mar. Ecol. Prog. Ser.

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“…Numerous species have been shown to increase their distributional range or movement distances as population abundance increases (Swain and Wade, 1993;Brodie et al, 1998;Overholtz, 2002;Abesamis and Russ, 2005;Dunning et al, 2006), a response presumably due to density-dependent mechanisms (e.g., intraspecifi c competition for food or the saturation of optimal habitats) (MacCall, 1990). In addition, changes in movement patterns with ontogenetic changes in fi sh are common because habitat requirements change as species age (Werner and Gilliam, 1984;Dahlgren and Eggleston, 2000).…”

mentioning

confidence: 99%

Effect of demography on spatial distribution: movement patterns of the Albemarle Sound–Roanoke River stock of Striped Bass (Morone saxatilis) in relation to their recovery

Callihan¹,

Godwin²,

Buckel³

2014

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Abstract-We analyzed tag returns from a long-term tagging program to evaluate the movement patterns of the Albemarle Sound-Roanoke River (AR) stock of Striped Bass (Morone saxatilis) during a period of stock recovery in 1991-2008. The AR stock was found to increase its movement outside the Albemarle Sound estuary (from <4% to 15-31%) as it recovered from 1991 to 2008. Analysis with multinomial logistic regression where recapture area was modeled as a function of fish size and stock abundance indicated that Striped Bass from the AR stock exhibit a strong size-dependent emigration pattern. Larger (older) adults >600 mm in total length (TL) were much more likely to emigrate to ocean habitats (after spawning) than were smaller adults (350-600 mm TL), which mostly remained in inshore estuarine habitats. Smaller adults showed evidence of density-dependent movement and were recaptured only in adjacent estuarine systems, the Pamlico Sound and lower Chesapeake Bay, during periods of increased stock abundance. Assessment and management strategies for the AR stock of Striped Bass could be improved by accounting for movement (and hence harvest) outside the currently assumed stock boundary. More broadly, this study illustrates that changes in the demographics, such as size structure and total abundance, within fish populations can result in major shifts in their distribution and that long-term tagging data are useful in detection of such population-level changes in movement patterns.

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“…Brodie et al (1998) showed a decrease in the area of the ellipse for the yellowtail flounder of the Grand bank in late 1980s after a period of stability. Atkinson et al (1997) showed a shift of the CG, on the northern cod population, accompanied by a decrease in the size of the ellipse, which is the inertia.…”

Section: Examplesmentioning

confidence: 97%

“…Previous authors have used the centre of gravity, also referred to as the distributional centroïd, to describe the distribution of a population in cases including walleye pollock eggs and larvae (Kendall and Picquelle 1990), Pacific hake larvae (Hollowed 1992), cod off Newfoundland (Atkinson et al 1997), yellowtail flounder off the Grand Bank (Brodie et al 1998), European hake eggs and larvae (Alvarez et al 2001), and fish-at-age (Woillez et al 2007) in the Bay of Biscay. For example, the CGs have been used to describe the distribution of strong year classes of Pacific hake late stage larvae, and also the systematic shift towards the south east in cod off Newfoundland from 1987 to 1993.…”

Section: Examplesmentioning

confidence: 99%

Notes on survey-based spatial indicators for monitoring fish populations

Woillez

Rivoirard

Petitgas

2009

Aquat. Living Resour.

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-This paper presents the spatial indicators used in the European project FISBOAT. These are statistics intended to capture spatial patterns of fish populations, using fish density data collected during scientific surveys. To handle diffuse population limits, indicators are designed not to depend on arbitrary delineation of the domain. They characterize the location (centre of gravity and spatial patches), occupation of space (inertia, isotropy, positive area, spreading area and equivalent area) and microstructure. Collocation between different populations is summarized by a global index of collocation. These spatial indicators have the potential to be used in a monitoring system to detect changes in spatial distribution. They could be helpful for relating the spatial distribution properties of fish stocks to their dynamics, their habitats, or to climate change.

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The effect of stock abundance on range contraction of yellowtail flounder (Pleuronectes ferruginea) on the Grand Bank of Newfoundland in the Northwest Atlantic from 1975 to 1995

Cited by 23 publications

References 11 publications

Density-dependent habitat selection in marine flatfish: the dynamic role of ontogeny and temperature

Density-dependent habitat selection in marine flatfish: the dynamic role of ontogeny and temperature

Effect of demography on spatial distribution: movement patterns of the Albemarle Sound–Roanoke River stock of Striped Bass (Morone saxatilis) in relation to their recovery

Notes on survey-based spatial indicators for monitoring fish populations

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