Foraging destinations of three low‐latitude albatross (<i>Phoebastria</i>) species

Fernández, Paula Virginia; Anderson, David J.; Sievert, Paul R.; Huyvaert, Kathryn P.

doi:10.1017/s0952836901000899

Cited by 124 publications

(106 citation statements)

References 24 publications

(24 reference statements)

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“…Limited evidence for this possibility exists. Phoebastria immutabilis (Laysan albatross) and P. nigripes (black-footed albatross) nesting in the subtropics at Tern Island, French Frigate Shoals, Hawaii, both have bimodal foraging trip durations similar to temperate Procellariiformes (Fernandez et al 2001, Hyrenbach et al 2002. However, the generality of this finding to other tropical Procellariiformes is questionable.…”

Section: Resale or Republication Not Permitted Without Written Consenmentioning

confidence: 93%

Dual-foraging and co-ordinated provisioning in a tropical Procellariiform, the wedge-tailed shearwater

Congdon¹,

Krockenberger²,

Smithers³

2005

Mar. Ecol. Prog. Ser.

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To sustain breeding while simultaneously compensating for poor local resource availability, many temperate Procellariiformes (tube-nosed seabirds) access highly productive areas 'atdistance' from breeding colonies using a unique dual-foraging strategy. We tested for, and observed, a similar dual foraging strategy in a tropical Procellariiform, the wedge-tailed shearwater Puffinus pacificus. Foraging adults repeatedly performed short-trip cycles of multiple 1 to 4 d trips followed by a single long-trip of ~8 d. As with temperate species, wedge-tailed shearwaters used long-trips to build body reserves that they passed onto chicks by not self-provisioning adequately during the early stages of each short-trip cycle. Unlike temperate species (1) long-trip length and adult mass change during long-trips was inversely related to adult mass at the beginning of the same long-trip, and (2) foraging mode changeover appeared to be co-ordinated and was not initiated by adults reaching some critical lower mass. This implies that the dual-foraging pattern observed in wedge-tailed shearwaters is a consequence of the median time adults require to replenish body reserves on long-trips. We conclude that foraging strategies in wedge-tailed shearwaters vary spatially relative to nearcolony resource availability, and that dual-foraging is a general Procellariiform life-history strategy used to address similar ecological constraints in both temperate and tropical systems. Our findings suggest that wedge-tailed shearwaters of the southern Great Barrier Reef (GBR) may be dependent on localised areas of high productivity 'at-distance' from breeding colonies to sustain breeding.KEY WORDS: Dual-foraging · Co-ordinated provisioning · Feeding ecology · Wedge-tailed shearwater · Puffinus pacificus · Procellariiform · Great Barrier Reef Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 301: [293][294][295][296][297][298][299][300][301] 2005 that dual-foraging can be unambiguously linked to the use of distant highly productive foraging areas in these species.Tropical Procellariiformes face similar energetic constraints, yet it is unlikely that they consistently access the same highly productive temperate waters to compensate for poor local resource availability. This is particularly true of the smaller pan-tropically distributed Procellariiform species, such as the wedge-tailed shearwater Puffinus pacificus. How then do tropical species replenish their own reserves while simultaneously satisfying chick requirements? Two possibilities exist. Firstly, tropical Procellariiformes may use a dualforaging strategy similar to temperate species to access currently unknown, highly productive but more localised foraging zones in the tropics. Limited evidence for this possibility exists. Phoebastria immutabilis (Laysan albatross) and P. nigripes (black-footed albatross) nesting in the subtropics at Tern Island, French Frigate Shoals, Hawaii, both have bimodal foraging trip durations similar to tempe...

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Section: Resale or Republication Not Permitted Without Written Consenmentioning

confidence: 93%

Dual-foraging and co-ordinated provisioning in a tropical Procellariiform, the wedge-tailed shearwater

Congdon¹,

Krockenberger²,

Smithers³

2005

Mar. Ecol. Prog. Ser.

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“…Satellite tracking has shown that albatrosses frequent shelf upwellings, seamount eddies and frontal zones where movements of water masses concentrate prey items at the surface, enabling albatrosses to feed most effectively (Rodhouse et al 1996, Grémillet et al 2000, Fernández et al 2001, Nel et al 2001, Croxall & Wood 2002, Hyrenbach et al 2002, Waugh et al 2002. Temporal and spatial variability in SST affects prey distribution and consequently seabird breeding success (Schreiber & Schreiber 1984, Anderson 1989, Inchausti et al 2003, and steep gradients in chlorophyll level may indicate frontal location and associated high prey availability.…”

Section: Introductionmentioning

confidence: 99%

“…A submesoscale (<10 km) approach is needed to study albatross habitat use during the chick-brooding period, when small hatchlings require parental attendance and frequent meal deliveries, and albatross parents, as central place foragers, contract their foraging ranges to the area within 10s or 100s of kilometers of the breeding site (Berrow & Croxall 2001, Fernández et al 2001, Shaffer et al 2003. Pelagic seabirds dependent on patchy distribution of prey resources, such as wandering albatrosses and cape gannets, demonstrate scale-dependent movement in response to patchy distribution of resources in a heterogeneous pelagic environment (Fritz et al 2003, Grémillet et al 2004.…”

Section: Introductionmentioning

confidence: 99%

“…Notable among these are the Phoebastria species, inhabiting the central and north Pacific (Anderson et al 1998, Fernández et al 2001, Hyrenbach et al 2002. In the case of the waved albatross P. irrorata nesting on the Galápagos Islands, breeding adults travelled to the shallow, cool, nutrientrich Peruvian upwelling during incubation and chickrearing (Anderson et al 1998, Fernández et al 2001; during chick-brooding they make short trips within the Galápagos Marine Reserve (GMR; the area within the archipelago, plus a 40 nautical mile buffer zone; Anderson et al 2003). Our study tests the hypothesis that waved albatrosses occupy similar habitat patches during chick-brooding, when their limited foraging range raises the importance of submesoscale oceanographic variation.…”

Section: Introductionmentioning

confidence: 99%

“…In the Hawaiian Islands, rearing-stage Laysan Phoebastria immutabilis and black-footed P. nigripes albatrosses make long trips to productive upwellings over continental shelves (Fernández et al 2001, Hyrenbach et al 2002. However, during the brooding stage when trip-range is restricted (Fernández et al 2001), both species make short trips to pelagic, oligotrophic, tropical waters, frequenting water that is deeper, warmer, and less-productive than the foraging areas accessed during the rearing period. It is unknown whether brood-stage albatrosses in Hawaii occupy cooler, more productive patches within their restricted foraging area or if the smaller area is relatively homogeneous with regard to oceanographic variables.…”

Section: Introductionmentioning

confidence: 99%

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Foraging activity and submesoscale habitat use of waved albatrosses Phoebastria irrorata during chick-brooding period

Awkerman

Fukuda²,

Higuchi³

et al. 2005

Mar. Ecol. Prog. Ser.

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Highly accurate GPS dataloggers, immersion monitors, and remote-sensing images were used to examine the foraging habitat of the waved albatross Phoebastria irrorata with greater resolution than that in previous mesoscale studies, which identified features of foraging trip destinations. Analyses revealed reduced variability in habitat use at finer scales. Bathymetry was consistently a statistically significant predictor of the foraging habitat of parent albatrosses tracked during the 2003 chick-brooding period, when they made short trips close to breeding grounds. These broodstage parents were more active during the day than the night, and nocturnal flight activity was positively correlated with moon phase. All tracked parents travelled to the shallow (< 600 m) quadrant NNW of the breeding colony on Isla Española, Galápagos. Corroborating the result of a previous study, 92% of all activity occurred within 100 km of the breeding colony. Foraging activity was similar for males and females. These data provide critical information on habitat use of the breeding component of the waved albatross population within the newly created Galápagos Marine Reserve. KEY WORDS: Phoebastria irrorata · Galápagos Islands · Seabird habitatResale or republication not permitted without written consent of the publisher

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Seabird bycatch vulnerability to pelagic longline fisheries: Ecological traits matter

Zhou

Jiao

Browder

2019

Aquatic Conservation

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Fisheries bycatch of seabirds presents a serious management problem, and relatively little is known about this problem. In the Western North Atlantic, the issue is complicated by the relatively low effort and coverage of the observer programme and the high uncertainty in species identification. The Western North Atlantic is home to many endemic and endangered seabird populations, and the impact of fishery‐caused seabird bycatch has been of high interest, especially for those species with a low population size; however, species‐specific bycatch estimates have been difficult. From 1992 to 2016, 158 seabirds were observed caught by the US Atlantic pelagic longline fleet; among them, only 80 were identified to species, 25 were identified to family, and the rest – mainly in the older records – were unidentified. In this study, ecological traits of seabirds were used to improve bycatch estimation and provide species‐specific risk analysis to all the potentially affected seabird species in this region. Bayesian state–space modelling was used to accommodate the high level of uncertainty in the species identification process. Seabird bycatch risk was found to be highly dependent on population size. The group of large seabird species was estimated to be two times as vulnerable as the group of mid‐to‐small seabird species, scavenging and plunge‐diving feeding modes were identified as imposing high bycatch risks, and spatial and temporal distribution patterns were also good indicators of bycatch risk. Based on these ecological traits, shearwaters, gulls, gannets, and petrels were identified to potentially suffer from high bycatch in this region. These species, especially those that have not been identified historically, deserve extra attention in the observer programme, and for the implementation of conservation measures of seabirds in this region.

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Foraging destinations of three low‐latitude albatross (Phoebastria) species

Cited by 124 publications

References 24 publications

Dual-foraging and co-ordinated provisioning in a tropical Procellariiform, the wedge-tailed shearwater

Dual-foraging and co-ordinated provisioning in a tropical Procellariiform, the wedge-tailed shearwater

Foraging activity and submesoscale habitat use of waved albatrosses Phoebastria irrorata during chick-brooding period

Seabird bycatch vulnerability to pelagic longline fisheries: Ecological traits matter

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