Impact of Sublethal Oil and Emulsion Exposure on the Reproductive Success of Leach's Storm-Petrels: Short and Long-Term Effects

Butler, Ronald G.; Harfenist, Anne; Leighton, F. A.; Peakall, David B.

doi:10.2307/2403614

Cited by 41 publications

(26 citation statements)

References 30 publications

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“…Mortality of migratory birds from offshore oil and gas operations is poorly understood and lingering issues remain related to the potential attraction of birds to the platforms and hydrocarbons released in produced water . Generally, marine oil pollution is a persistent source of increased mortality and decreased fecundity for marine birds (Ford et al 1982, Butler et al 1988). Oil at sea in cold ocean systems that surround Canada is a particular threat to marine birds because they quickly succumb to hypothermia after contacting oil (Wiese and Ryan 2003).…”

Section: Introductionmentioning

confidence: 99%

Mortality of Migratory Birds from Marine Commercial Fisheries and Offshore Oil and Gas Production in Canada

Ellis¹,

Wilhelm²,

Hedd³

et al. 2013

ACE

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. 2013. Mortality of migratory birds from marine commercial fisheries and offshore oil and gas production in Canada. Avian Conservation and Ecology 8(2): 4. http://dx.doi.org/10.5751/ACE-00589-080204 ABSTRACT. There is an imminent need for conservation and best-practice management efforts in marine ecosystems where global-scale declines in the biodiversity and biomass of large vertebrate predators are increasing and marine communities are being altered. We examine two marine-based industries that incidentally take migratory birds in Canada: (1) commercial fisheries, through bycatch, and (2) offshore oil and gas exploration, development, and production. We summarize information from the scientific literature and technical reports and also present new information from recently analyzed data to assess the magnitude and scope of mortality. Fisheries bycatch was responsible for the highest levels of incidental take of migratory bird species; estimated combined take in the longline, gillnet, and bottom otter trawl fisheries within the Atlantic, including the Gulf of St. Lawrence, and Pacific regions was 2679 to 45,586 birds per year. For the offshore oil and gas sector, mortality estimates ranged from 188 to 4494 deaths per year due to the discharge of produced waters resulting in oil sheens and collisions with platforms and vessels; however these estimates for the oil and gas sector are based on many untested assumptions. In spite of the uncertainties, we feel levels of mortality from these two industries are unlikely to affect the marine bird community in Canada, but some effects on local populations from bycatch are likely. Further research and monitoring will be required to: (1) better estimate fisheriesrelated mortality for vulnerable species and populations that may be impacted by local fisheries, (2) determine the effects of oil sheens from produced waters, and attraction to platforms and associated mortality from collisions, sheens, and flaring, so that better estimates of mortality from the offshore oil and gas sector can be obtained, and (3) determine impacts associated with accidental spills, which are not included in our current assessment. With a better understanding of the direct mortality of marine birds from industry, appropriate mitigation and management actions can be implemented. Cooperation from industry for data collection, research to fill knowledge gaps, and implementation of mitigation approaches will all be needed to conserve marine birds in Canada.RÉSUMÉ. Dans les écosystèmes marins, le déclin de la biodiversité et de la biomasse des grands prédateurs vertébrés s'accentue à l'échelle globale et les communautés marines subissent de plus en plus de perturbations. Étant donné la situation, il est important de faire des efforts de conservation et de pratiques exemplaires de gestion pour ces écosystèmes. Nous avons examiné deux industries du milieu marin qui entraînent des prises accessoires d'oiseaux migrateurs au Canada : 1) la pêche commerciale; et 2) l'exploration, le développement et l'exploi...

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Section: Introductionmentioning

confidence: 99%

Mortality of Migratory Birds from Marine Commercial Fisheries and Offshore Oil and Gas Production in Canada

Ellis¹,

Wilhelm²,

Hedd³

et al. 2013

ACE

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“…These studies have revealed a spectrum of changes in breeding behaviour and performance, including delays in egg laying and reductions in the pro-'Present address: RSPB South and West Scotland. Unit 3.1, West of Scotland Science Park, Kelvin Campus, Glasgolv G20 OSP, United Kingdom "Addressee for correspondence E-mail: p.monaghan@udcf.gla.ac.uk portion of adults laying eggs, egg hatching success, chick fledging success and in the return rate of adults to the breeding colony in the subsequent breeding season (Ainley et al 1981, Harvey et al 1982, Fry et al 1986, Butler et al 1988). This variety of negative effects reflects the diversity of taxa under investigation, the range of dosages and methodologies employed, and the divergent chemical nature of the different crude oils used (Clark 1984).…”

Section: Introductionmentioning

confidence: 99%

Sub-lethal effects of an oil pollution incident on breeding kittiwakes Rissa tridactyla

Walton¹,

Turner²,

Austin³

et al. 1997

Mar. Ecol. Prog. Ser.

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fittiwakes from the colony closest to the site of the wreck of the 'Braer' oil tanker in Shetland, Scotland, in 1993 were studied in the breeding season following the spill. Sub-lethal effects of the spill on breeding kittiwakes were assessed by comparison with a n extensive data set collected at the same site (Sumburgh Head) during the 3 yr prior to the spill. Breeding performance in 1993 was very similar to that in 1992, with relatively good breeding success and short, frequent foraging trips. However, haematological data revealed a significant level of anaemia in the breeding kittiwakes at Sumburgh in 1993 compared to birds sampled in the same year at control colonies elsewhere in Scotland. The return rate of adults to the Sumburgh colony between 1992 and 1993 was exceptionally low, and nest-site and mate fidelity also appeared low. This was not a consequence of reduced survival, but was due to some adults not breeding in 1 or 2 yr following the spill, and subsequently returning to breed at the colony in later years. Such behavioural disruption may have considerable consequences for the dynamics and structure of the colony

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“…(Parsons 1990). Many laboratory and field studies suggest that petroleum contamination affects breeding success by waterbirds, including procellariforms (Boersma 1988, Butler 1988, waterfowl (Crocker et al 1975, Hoffman andAlbers 1984), and larids (King andLafever 1979, Peakall et al 1981 ). Two of the most severe effects of oil are the contamination of eggs and chicks and reduced prey populations.…”

Section: Discussionmentioning

confidence: 99%

Effects of an oil spill on the prey populations and foraging behavior of breeding wading birds

Maccarone¹,

Brzorad

1995

Wetlands

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In early 1990, several major spills released c. 4,000,000 L of oil into a narrow tidal strait that separates New York City from New Jersey. This study examined changes in the foraging patterns of three species of wading birds from nearby breeding colonies and in the populations of small fishes and shrimp eaten by these birds during the nesting season following the spills. Wading birds were more co,ninon at two fleshwater foraging sites after the spill but less common at two estuarine sites. The directions of foraging flights by three piscivorous species differed between years and were more scattered after the spill. The scatter of flightlines by two non-piscivorous species did not increase after the oil spills. Populations of shrimp and the largest size class of fishes were smaller and more variable after the spills.

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Impact of Sublethal Oil and Emulsion Exposure on the Reproductive Success of Leach's Storm-Petrels: Short and Long-Term Effects

Cited by 41 publications

References 30 publications

Mortality of Migratory Birds from Marine Commercial Fisheries and Offshore Oil and Gas Production in Canada

Mortality of Migratory Birds from Marine Commercial Fisheries and Offshore Oil and Gas Production in Canada

Sub-lethal effects of an oil pollution incident on breeding kittiwakes Rissa tridactyla

Effects of an oil spill on the prey populations and foraging behavior of breeding wading birds

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