Metals in liver and kidney tissues of autumn-migrating dunlin Calidrisalpina and curlew sandpiper Calidris ferruginea staging at the Baltic Sea

Blomqvist, Sven; Frank, Adrian; Petersson, LR

doi:10.3354/meps035001

Cited by 43 publications

(22 citation statements)

References 58 publications

(44 reference statements)

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“…The essential elements iron, zinc, and copper measured in livers of shorebirds in this study were within the ranges normally found in other shorebirds (Blomqvist et al 1987;Lee et al 1987;Hui 1998;Hui et al 2001;) and are probably maintained there by normal homeostatic mechanisms for shorebird species.…”

Section: Heavy Metal Concentrationsmentioning

confidence: 84%

Heavy metal concentrations in three shorebird species from Okgu Mudflat, Gunsan, Korea

2008

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Iron, zinc, copper, lead, and cadmium were measured in livers of three shorebird species from Okgu Mudflat, Korea in the East Asian-Australian migration flyways. Iron concentrations in red-necked stints (Calidris ruficollis) (geomean = 1,322 microg/g dw) were higher than in terek sandpipers (Xenus cinereus) (467 microg/g dw), and great knots (Calidris tenuirostris) (158 microg/g dw). Copper concentrations in great knots (85.8 microg/g dw) were significantly higher than in red-necked stints (15.9 microg/g dw) and terek sandpipers (10.4 microg/g dw). However, significant differences in zinc concentrations were not found in livers among shorebird species. Iron, zinc, and copper concentrations from this study were within the range of other shorebird studies. We suggest that essential elements such as iron, zinc, and copper are within normal range and are maintained there by normal homeostatic mechanism. Lead and cadmium concentrations differed among shorebird species; red-necked stints (geomeans 27.8 microg/g dw and 4.69 microg/g dw, respectively) were higher than in terek sandpipers (12.9 and 0.44 microg/g dw, respectively), and great knots (5.43 and 0.29 microg/g dw, respectively). Some red-necked stints exceeded toxic levels of lead and cadmium for wild birds. In livers of red-necked stints from Okgu Mudflat, lead and cadmium concentrations were higher than previously reported in other shorebirds.

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Section: Heavy Metal Concentrationsmentioning

confidence: 84%

Heavy metal concentrations in three shorebird species from Okgu Mudflat, Gunsan, Korea

2008

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“…Third, in waders such as the red knot and the curlew sandpiper, first year birds do not reproduce, but remain in the winter quarters throughout the first summer (Elliott et al 1976;van Dijk et al 1990;Summers et al 1995), while in geese first year birds migrate to the arctic breeding areas, although without reproducing (Ebbinge 1989). Finally, the red knot and the curlew sandpiper considered in the present study have a rather limited breeding range on and near the Taimyr peninsula (Blomqvist et al 1987;Tomkovich and Soloviev 1996), and so may be expected to respond to the same breeding conditions, in contrast to other tundra-nesting bird species, such as the white-fronted goose Anser a. albifrons, sanderling Calidris alba, and ruddy turnstone Arenaria interpres, which have more extended breeding ranges (Cramp andSimmons 1977, 1983).…”

Section: Introductionmentioning

confidence: 99%

Indirect effects of lemming cycles on sandpiper dynamics: 50 years of counts from southern Sweden

et al. 2002

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The bird-lemming hypothesis postulates that breeding success of tundra-nesting geese and waders in Siberia follows the cyclic pattern of lemming populations, as a result of predators switching from lemmings to birds when the lemming population crashes. We present 50 years of data on constant-effort catches of red knot Calidris canutus and curlew sandpiper C. ferruginea at an autumn migratory stopover site (Ottenby) at the Baltic Sea, supplemented with literature data on winter censuses of dark-bellied brent goose Branta b. bernicla and white-fronted goose Anser albifrons in northwestern Europe, and waders in Germany and Southern Africa. Number and proportion of juveniles in these bird populations (both our own and literature data) were compared with an index of predation pressure (calculated from the abundance of lemmings on the Taimyr peninsula), and climate indices for the North Eurasia and the North Atlantic regions. The index of predation pressure correlated significantly with the number of juveniles of red knot and curlew sandpiper, but not with number of adults. Also, this index correlated with the reproductive performance of geese and waders reported in the literature. Fourier analysis revealed a significant deviation from random noise with the maximum spectral density at the period length of 3 years for number of juvenile red knots and curlew sandpipers captured at Ottenby, abundance of lemmings, reproduction in arctic fox Alopex lagopus, and reproductive performance in geese on the Siberian tundra. Also, the date of passage at Ottenby for adult red knot and curlew sandpiper showed a spectral density peak at a period length of 3 years, the latter species also showing a peak at a period length of 5-6 years. Passage dates for adult red knot and curlew sandpiper were earlier in years of high predation pressure compared with years of low predation pressure. The fluctuations in reproductive success of the studied Siberian goose and wader species appear to be primarily influenced by biotic factors in the breeding area, rather than by abiotic factors, such as climate oscillations. Annual variations in migratory arctic bird populations may have far reaching effects in habitats along their migration routes and in their wintering areas. We suggest a link between lemming cyclicity in the Northern Hemisphere and predation pressure on Southern Hemisphere benthos, in which the signal is carried between continents by long distance migrating waders.

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“…Iron concentrations in livers of the Western Reef heron and Siberian gull were significantly different, which differs from Hui (1998) in southern California who reported no differences between black-billed plovers (Pluvialis squatarola) and willets (Catoptrophorus semipalmatus). Kim et al (2009b) quantified mean iron concentrations of 467 lg/g in liver from Terek sandpiper, and, similarly, Blomqvist et al (1987) obtained mean concentrations of 463 lg/g from dunlin (Calidris alpina) liver samples. Both were considerably greater than in birds from Hara Biosphere Reserve.…”

Section: Heavy-metal Concentrationsmentioning

confidence: 99%

Assessment of Trace-Metal Concentrations in Western Reef Heron (Egretta gularis) and Siberian Gull (Larus heuglini) From Southern Iran

Mansouri

Pourkhabbaz

Babaei³

et al. 2012

Arch Environ Contam Toxicol

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The objective of the present study was to investigate the levels of heavy metals, namely, chromium, copper, cobalt, nickel, and iron, in Western Reef heron (Egretta gularis) (n = 15) and Siberian gull (Larus heuglini) (n = 15) to (1) compare metal concentrations between two bird species with different trophic level, molting pattern, and life strategy; (2) examine species- and sex-related variations in trace-metal accumulation; and (3) determine the significance between heavy-metal concentrations in kidney, liver, and pectoral muscle. Bird samples were collected from November to December 2010 throughout the Hara Biosphere Reserve, and heavy metals were assayed by using a Shimadzu AA 680 flame atomic absorption spectrophotometer; the results were given as μg/g dry weight. Metal concentrations were different between the bird species as well as among bird tissues, but there was no difference (except chromium and iron in kidney) between sex (male vs. female). Mean levels in kidney of Western Reef heron and Siberian gull were chromium (0.96, 2.32 μg/g), copper (6.31, 10.55 μg/g), cobalt (0.12, 0.14 μg/g), nickel (1.13, 1.32 μg/g), and iron (37.92, 39.64 μg/g), respectively, whereas in liver they were chromium (1.05, 2.75 μg/g), copper (8.93, 12.63 μg/g), cobalt (0.09, 0.17 μg/g), nickel (1.1, 2.27 μg/g), and iron (34.03, 44.21 μg/g), respectively. Results showed that heavy-metal concentrations in Western Reef heron were decreased in the sequence iron > copper > nickel > chromium > cobalt, whereas in Siberian gull they were decreased in the sequence iron > copper > chromium > nickel > cobalt. Results also showed that in both species, the highest chromium and nickel concentrations were measured in female birds and the lowest in male birds, whereas the highest copper, cobalt, and iron (except iron in liver) concentrations were measured in male birds and the lowest in female birds.

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Metals in liver and kidney tissues of autumn-migrating dunlin Calidrisalpina and curlew sandpiper Calidris ferruginea staging at the Baltic Sea

Cited by 43 publications

References 58 publications

Heavy metal concentrations in three shorebird species from Okgu Mudflat, Gunsan, Korea

Heavy metal concentrations in three shorebird species from Okgu Mudflat, Gunsan, Korea

Indirect effects of lemming cycles on sandpiper dynamics: 50 years of counts from southern Sweden

Assessment of Trace-Metal Concentrations in Western Reef Heron (Egretta gularis) and Siberian Gull (Larus heuglini) From Southern Iran

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