Low energy values of fish as a probable cause of a major seabird breeding failure in the North Sea

By Sarah Wanless, M. Harris, P. Redman, J. Speakman. 2005

408 citations recorded by the source corpus.

Subfields: Ecology, Global and Planetary Change, Nature and Landscape Conservation

View Paper: https://www.semanticscholar.org/paper/dccc08e742d9d69fc1d5f7f3a69e3aa3bf8fc965

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Citations in the corpus

Forage fish, their fisheries, and their predators: who drives whom? (2014, background): “Therefore, spatially restricted foragers are particularly sensitive to fluctuations in the local food supply on which they rely, which might arise from global changes in the stock or from the activities of a local fishery (Furness, 2002; Wanless et al., 2005; Matthiopoulos et al., 2008).”
The energy density of jellyfish: Estimates from bomb-calorimetry and proximate-composition (2007, methodology): “... Clarke et al. (1992) Ctenophore Beroe sp. 4.33 Calculated from carbon content Clarke et al. (1992) Polychaete Tomopteris carpenteri 16.33 Calculated from carbon content Clarke et al. (1992) Squid 20.71±0.95 3.81±0.24 Van Pelt et al. (1997) Salp Salpa fusiformis 5.45 Calculated from carbon conten”
Massive Mortality of a Planktivorous Seabird in Response to a Marine Heatwave (2018, background): “Lower energy content and/or smaller prey may have served as “junk food” (Österblom et al., 2008; Rosen & Trites, 2000; Wanless et al., 2005), which for small-bodied pursuit divers, such as Cassin’s Auklets, may be particularly detrimental given their energetically expensive mode of feeding (Romano…”
Energy Density of Patagonian Aquatic Organisms and Empirical Predictions Based on Water Content (2007, methodology): “Energy density (ED) has been used to evaluate diet quality (Wanless et al. 2005), compare the relative importance of prey items (Harris and Hislop 1978), correct gastric evacuation rates used as input in models (Pedersen and Hislop 2001), explain the foraging behavior of predators (Benoit-Bird 2004)”
From plankton to top predators: bottom-up control of a marine food web across four trophic levels. (2006, background): “Journal compilation © 2006 British Ecological Society, Journal of Animal Ecology, 75, 1259–1268 content) of sandeels has been suggested as a contributing cause of seabird breeding failures in 2004 (Wanless et al. 2005).”
Cetacean abundance and distribution in European Atlantic shelf waters to inform conservation and management (2013, background): “Seabird breeding failure in the northwest North Sea has been linked to a reduction in the availability of sandeels (Wanless et al., 2004) and to reduced sandeel recruitment in warm winters (Frederiksen et al., 2004).”
Individual responses of seabirds to commercial fisheries revealed using GPS tracking, stable isotopes and vessel monitoring systems (2010, background): “While whitefish may negatively affect chick survival and growth (Wanless et al. 2005), evidence from other studies indicates that fishery waste is beneficial for adults of both generalist predators (Hüppop & Wurm 2000) and specialist piscivores like gannets (Gremillet et al. 2008b).”
Seabirds as indicators of marine food supplies: Cairns revisited (2007, background): “For example, recent unusual breeding failures of murres in the North Sea were attributed not to scarcity of prey, but to unusually low (and unexplained) energy value of prey (Wanless et al. 2005).”
Extreme reduction in nutritional value of a key forage fish during the Pacific marine heatwave of 2014-2016 (2019, background): “Indeed, one of the worst years for breeding success of murres in the North Sea coincided with a reduction in both size and energy density of sandeels in 2004 (Wanless et al. 2005).”
Spatial ecology and conservation of seabirds facing global climate change: a review (2009, neutral): “…, lesser sandeels Ammodytes marinus, which used to be the food-base of a vast seabird community around the British Isles, have been depleted by the combined effects of overfishing and climate change (Poloczanska et al. 2004), and also show diminished calorific value (Wanless et al. 2005).”
BirdTrends 2014: trends in numbers, breeding success and survival for UK breeding birds (2014, background): “Another example of a decline in breeding performance that presaged population decline is the catastrophic breeding failures of seabirds, particularly Arctic Terns, in Shetland (Monaghan et al. 1989, 1992, Walsh et al. 1995, Mavor et al. 2003, 2004, Wanless et al. 2005).”
Binary dietary responses of northern gannets Sula bassana indicate changing food web and oceanographic conditions (2007, background): “Seabird studies are particularly useful in documenting condition changes in these forage species (e.g. Österblom et al. 2001, Davoren & Montevecchi 2003, Miller & Sydeman 2004, Wanless et al. 2004, 2005) that often reflect food resource states.”
Regional variation in the role of bottom-up and top-down processes in controlling sandeel abundance in the North Sea (2007, background): “Recently, there has been strong interest in when and where each of these mechanisms is more important (Hunt et al. 2002, Worm & Myers 2003, Munch et al. 2005, Scheffer et al. 2005, Ware & Thomson 2005, Halpern et al. 2006).”