An Epitaph for the Concept of Maximum Sustained Yield

Larkin, Peter

doi:10.1577/1548-8659(1977)106<1:aeftco>2.0.co;2

Cited by 607 publications

(337 citation statements)

References 20 publications

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“…This is also supported by genetic data that suggest restricted gene flow among the Georges Bank and more southern populations as well as heterogeneity within the GOM (Lage et al 2004, Wirgin et al 2007. By tailoring fisheries guidelines to a flawed 2-stock model, management practices may negatively affect the smaller and more vulnerable populations (Larkin 1977, Iles & Sinclair 1982, Ruzzante et al 1999, Bradbury et al 2008.In this study, we provided the most comprehensive analysis of Atlantic cod population structure in US waters to date. By means of microsatellite and single nucleotide polymorphism (SNP) markers and the PanI locus, we expanded on our previous research (Wirgin et al 2007) in which we found evidence for an alternate interpretation of management units.…”

mentioning

confidence: 77%

Section: Introductionmentioning

confidence: 88%

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Fine-scale spatial and temporal genetic structure of Atlantic cod off the Atlantic coast of the USA

Kovach¹,

Breton²,

Berlinsky³

et al. 2010

Mar. Ecol. Prog. Ser.

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Atlantic cod Gadus morhua in US waters are currently managed as 2 stocks: (1) a Gulf of Maine stock and (2) a Georges Bank and south stock. This designation is decades old and warrants re-evaluation in light of concerns that fisheries management units may not reflect biologically meaningful population units. In this study, we used 10 microsatellite loci, the PanI locus, and 5 single nucleotide polymorphism markers to characterize the population genetic structure of cod in US waters. We found significant differentiation among temporally and spatially divergent populations of cod (global F ST = 0.0044), primarily stemming from 2 potentially non-neutral loci, and evidence for a population structure that strongly contradicts the current 2-stock management model. This genetic structure was stable over a 5 yr period. Our results indicate that cod in US waters are broadly structured into 3 groups: (1) a northern spring-spawning coastal complex in the Gulf of Maine (GOM), (2) a southern complex consisting of winter-spawning inshore GOM, offshore GOM and sites south of Cape Cod, Massachusetts, and (3) a Georges Bank population. The strongest differentiation occurs between populations in the northern and southern complex (mean F ST = 0.0085), some of which spawn in the same bays in different seasons. By means of mixture analysis, young-of-the-year fish sampled on juvenile nurseries were assigned to the spawning complex of their origin. Our findings contribute to a growing body of knowledge that Atlantic cod and other marine fish populations are structured on a finer scale than previously thought and that this structure supports biocomplexity and locally adapted populations. As such, it may be warranted to re-evaluate current management units and tailor management plans toward this finer scale.KEY WORDS: Atlantic cod · Microsatellite DNA · Single nucleotide polymorphism · Population genetic structure · Stock identification · Gadus morhua Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 410: [177][178][179][180][181][182][183][184][185][186][187][188][189][190][191][192][193][194][195] 2010 the importance of processes that limit dispersal and promote self-replenishment of local populations, such as sedentary adult life history strategies (Robichaud & Rose 2004, Howell et al. 2008, spawning site fidelity (Taggart 1997), natal homing (Thorrold et al. 2001, Svedäng et al. 2007), egg and larval retention (Jones et al. 1999, 2005, Bradbury et al. 2008) and local adaptation (McIntyre & Hutchings 2003, Conover et al. 2006, Hutchings et al. 2007). The implications of such fine-scale population structure are important for effective management (Palumbi 2003, Bradbury et al. 2008, Reiss et al. 2009).One marine fish species known to exhibit fine-scale population structure in parts of its distribution is Atlantic cod Gadus morhua L. (see reviews in Waldman 2005 andCarvalho 2008). Atlantic cod is one of the most commercially important marine fishes in the world and comprises a p...

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mentioning

confidence: 77%

Section: Introductionmentioning

confidence: 88%

Fine-scale spatial and temporal genetic structure of Atlantic cod off the Atlantic coast of the USA

Kovach¹,

Breton²,

Berlinsky³

et al. 2010

Mar. Ecol. Prog. Ser.

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show abstract

“…Despite profound differences in conceptual and normative orientation, this history runs parallel to the evolution of fisheries yield models, which originated earlier in the 20th century, and flourished in the 1930s through 1970s (Larkin 1977). Yield models grew out of agricultural and industrial production models developed to maximize economic output-input ratios, paired with increasing biological knowledge about species population dynamics, and more-or-less nuanced conceptions of carrying capacity (Baranov 1918, Ricker 1948, Schaefer 1954, Beverton and Holt 1957.…”

Section: Ecosystem-based Managementmentioning

confidence: 99%

“…A few further question the undergirding concepts of total allowable catch and maximum sustainable yield upon which catch shares are predicated, arguing that without more precautionary or ecosystemcognizant implementation, these aggregate targets can prioritize management attention to singlespecies populations and thereby discourage consideration of habitat and cross-species variables (Larkin 1977, Wilson et al 1996, Walters et al 2005, Finley 2009). More recently, at least one author has suggested that catch shares might discourage ecosystem stewardship (Gibbs 2009(Gibbs , 2010.…”

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confidence: 99%

Paper Fish and Policy Conflict: Catch Shares and Ecosystem-Based Management in Maine's Groundfishery

Brewer

2011

E&S

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“…According to the theory of MSY, when standing crop of a population reaches half of the carrying capacity, the instantaneous rate of increase reaches its maximal value (Larkin, 1977). Due to the fact that non-respiratory losses of submersed macrophytes are relatively small, their annual net production can be approximated as the maximal seasonal biomass (Håkan-son and Boulion, 2002).…”

Section: Optimal-stocking Modelmentioning

confidence: 99%

Stocking models of Chinese mitten crab (Eriocheir japonica sinensis) in Yangtze lakes

Wang

Liang

et al. 2006

Aquaculture

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An Epitaph for the Concept of Maximum Sustained Yield

Cited by 607 publications

References 20 publications

Fine-scale spatial and temporal genetic structure of Atlantic cod off the Atlantic coast of the USA

Fine-scale spatial and temporal genetic structure of Atlantic cod off the Atlantic coast of the USA

Paper Fish and Policy Conflict: Catch Shares and Ecosystem-Based Management in Maine's Groundfishery

Stocking models of Chinese mitten crab (Eriocheir japonica sinensis) in Yangtze lakes

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