Depth and substrate as determinants of distribution of juvenile flathead sole (Hippoglossoides elassodon) and rock sole (Pleuronectes bilineatus), in Kachemak Bay, Alaska

Abookire, Alisa A.; Norcross, Brenda L.

doi:10.1016/s1385-1101(97)00058-0

Cited by 62 publications

(44 citation statements)

References 18 publications

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“…Water depth is one of the main factors affecting the community structure in the continental shelf and slope in coastal waters (Abookire & Norcross, 1998), and depth also plays an important role in determining the distribution of flatfish (Rogers, 1992;Gibson, 1994;Norcross et al, 1997). Benthic community structure and composition have been related to depth (Pearcy, 1978).…”

Section: Resultsmentioning

confidence: 99%

“…These changes in the geographical distribution have been observed often during warm El Niño events. Water depth directly affects the community structure in the continental shelf and slope in coastal waters that potentially serve as nursery areas (Abookire & Norcross, 1998), and depth also plays an important role in determining the distribution of flatfish (Rogers, 1992;Gibson, 1994;Norcross et al, 1995). There is little information about changes in the structure and distribution of flatfish communities during the above mentioned El Niño (Lea & Rosenblatt, 2000;Allen et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

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Patterns of distribution, temporal fluctuations and some population parameters of four species of flatfish

Martínez-Muñoz¹,

Fernández

Arreguı́n-Sánchez

et al. 2013

lajar

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ABSTRACT. We examined the spatial and temporal abundance as well as some biological features of the four Pleuronectidae species living in the shallow and deep marine waters off the western coast of Baja California: spotted turbot Pleuronichthys ritteri (Starks & Morris, 1907); hornyhead turbot Pleuronichthys verticalis (Jordan & Gilbert, 1880); slender sole Lyopsetta exilis (Jordan & Gilbert, 1880), and Dover sole Microstomus pacificus (Lockington, 1879). Flatfishes were sampled by otter trawls during six cruises, between October 1988 and September 1990. The area sampled covers three geographic regions (Southern, Central and Northern) and three depths (inner, middle and outer shelf). The data were analyzed to quantify the ecological variation in environmental factors and spatial assemblages. Spatial patterns of the Pleuronectidae assemblages were determined by depth, sediment type and geographical region. The distribution of Pleuronectidae species across the shelf also varies in time depending on the oceanic regimes. The sex ratio was approximately 1:1 for all four species. Standard length ranged from 45 to 261 mm, with the most frequent sizes ranging from 90 to 130 mm. For turbots, the length-weight relationships varied between sexes, geographical regions and seasons of the year.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Patterns of distribution, temporal fluctuations and some population parameters of four species of flatfish

Martínez-Muñoz¹,

Fernández

Arreguı́n-Sánchez

et al. 2013

lajar

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“…Flathead sole spawning occurs in the spring, as eggs are present in April to early July over the outer domain (>100 m depth) of the eastern Bering Sea shelf (Grigorev & Fadeev 1995). As with many flatfish species, the buoyant eggs and larvae are transported to nursery grounds in shallow inshore areas (Alderdice & Forrester 1974, Haldorson et al 1993, Abookire & Norcross 1998. Juvenile flathead sole exhibit strong preferences for specific depth and sediment ranges in coastal embayments in the Gulf of Alaska (Abookire & Norcross 1998), but the distribution of adult and subadult flathead sole relative to habitat features are for the most part unknown, particularly in the Bering Sea.…”

Section: Introductionmentioning

confidence: 99%

“…As with many flatfish species, the buoyant eggs and larvae are transported to nursery grounds in shallow inshore areas (Alderdice & Forrester 1974, Haldorson et al 1993, Abookire & Norcross 1998. Juvenile flathead sole exhibit strong preferences for specific depth and sediment ranges in coastal embayments in the Gulf of Alaska (Abookire & Norcross 1998), but the distribution of adult and subadult flathead sole relative to habitat features are for the most part unknown, particularly in the Bering Sea. Our hypothesis was that flathead sole catches across the Bering Sea shelf would be related to food availability, temperature, depth, sediment type and shelter available.…”

Section: Introductionmentioning

confidence: 99%

“…The mature adults were further divided into males and females. Juvenile fish <150 mm in total length (TL) (Holladay & Norcross 1995, Abookire et al 2001 were not included in the analysis because they were rarely caught by the research trawl and were assumed to have different distributions based on previous research (Norcross et al 1997, Abookire & Norcross 1998. Subadult fish were defined as those < 300 mm in TL (younger than 9.7 yr), the estimated age and size of 50% maturity (Stark 2004), and >150 mm TL (older than age 1+ yr).…”

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confidence: 99%

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Using ecologically based relationships to predict distribution of flathead sole Hippoglossoides elassodon in the eastern Bering Sea

Rooper¹,

Zimmermann²,

Spencer³

2005

Mar. Ecol. Prog. Ser.

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This study describes a method for modeling and predicting, from biological and physical variables, habitat use by a commercially harvested groundfish species. Models for eastern Bering Sea flathead sole Hippoglossoides elassodon were developed from 3 relationships describing the response of organism abundance along a resource continua. The model was parameterized for 1998 to 2000 trawl survey data and tested on 2001 and 2002 data. Catch per unit effort (CPUE) of flathead sole had a curvilinear relationship with depth, peaking at 140 m, a proportional relationship with bottom water temperature, a positive curvilinear relationship with potential cover (invertebrate sheltering organisms such as anemones, corals, sponges, etc.), a negative relationship with increasing mud:sand ratio in the sediment, and an asymptotic relationship with potential prey abundance. The predicted CPUE was highly correlated (r 2 = 0.63) to the observations (1998 to 2000) and the model accurately predicted CPUE (r 2 = 0.58) in the test data set (2001 and 2002). Because this method of developing habitat-based abundance models is founded on ecological relationships, it should be more robust for predicting fish distributions than statistically based models. Thus, the model can be used to examine the consequences of fishing activity (e.g. reduction in sheltering organisms), changes in temperature (e.g. climate effects) and interaction between variables, and can be modified to incorporate new variables as more information is collected about a species. KEY WORDS: Fish habitat · Habitat model · Bering Sea · Soft sediment · Flatfish Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 290: 251-262, 2005al. 1992, O'Brian & Rago 1996, Stoner et al. 2001. General additive models (GAMs) have the advantage of exhibiting nonlinear response curves describing the relationship between fish distributions and habitat, but the shape of the response curves may be difficult to explain in terms of organism ecology. It is notable that existing statistical habitat models are rarely used for prediction (but see Stoner et al. 2001 for exception), because the statistical relationships describing existing distributions may not be applicable to future distributions (Beutel et al. 1999). Utilization of ecological relationships provides the advantages of nonlinearity in modeling distributions across habitats, a distribution response for each habitat variable that is justifiable based on organism ecology, and therefore a more robust prediction of future organism distribution across habitats than traditional statistical models.The characterization of habitat use is also dependent on the habitat variables used in the analysis. For example, Swartzman et al. (1992) modeled 5 eastern Bering Sea flatfish species (rock sole Lepidopsetta sp., Alaska plaice Pleuronectes quadrituberculatus, flathead sole Hippoglossoides elassodon, yellowfin sole Pleuronectes asper and Greenland turbot Reinhardtius hippoglossoides) using a GAM wit...

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The Behaviour of Flatfishes

Gibson¹

2005

Flatfishes

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Depth and substrate as determinants of distribution of juvenile flathead sole (Hippoglossoides elassodon) and rock sole (Pleuronectes bilineatus), in Kachemak Bay, Alaska

Cited by 62 publications

References 18 publications

Patterns of distribution, temporal fluctuations and some population parameters of four species of flatfish

Patterns of distribution, temporal fluctuations and some population parameters of four species of flatfish

Using ecologically based relationships to predict distribution of flathead sole Hippoglossoides elassodon in the eastern Bering Sea

The Behaviour of Flatfishes

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