Cadmium, lead, copper, and zinc in<i>Elminius modestus</i>Darwin (Crustacea, Cirripedia) from Waitemata and Manukau Harbours, Auckland, New Zealand

Zauke, Gerd‐Peter; Harms, J.; Foster, B. A.

doi:10.1080/00288330.1992.9516534

Cited by 7 publications

(5 citation statements)

References 27 publications

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“…This is certainly true in basic physiological studies. Regarding applied investigations we propose, however, to select adequate units of investigation on the basis of a straightfor-ward calibration procedure, involving assessment of toxicokinetic parameters (BCFs, rate constants), clarification of uptake, elimination and storage mechanisms and validation of invariable BCFs or rate constants under different exposure conditions (see discussions in PHILLIPS, 1980;RAINBOW, 1993;RAINBOW et al, 1990;VIARENGO and NOTT, 1993;ZAUKE et al 1992;PETRI and ZAUKE, 1993;ZAUKE et al, 1995). Such a calibration may eventually lead to consideration of levels below the biological species or to well defined collectives of organisms above the species level.…”

Section: Introductionmentioning

confidence: 99%

Trace Metals in Mesozooplankton of the North Sea: Concentrations in Different Taxa and Preliminary Results on Bioaccumulation in Copepod Collectives (Calanus finmarchicus/C. helgolandicus)

Zauke

Krause

Weber

1996

Intl Review of Hydrobiology

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Trace metals (Cd, Cu, Zp, Pb, Ni) were determined in different zooplankton taxa to assess their role in the biogeochemical cycle in the North Sea. Results of semi-static bioaccumulation experiments on board ship using collectives of Calanus finmarchicus/C. helgolrindicris were in agreement with a net accumulation strategy, thus meeting an inevitable precondition for their utilization as biomonitors. Cd, Cu and Zn concentrations in field samples of zooplankton displayed a pronounced variability between taxa, with Cd ranging from 0.13 mg kg-1 (d.w.) in fish larvae to 5 I mg kg-1 in hyperiid amphipods. Almost no information is available about metal requirements of copepods. However, most of our and worldwide reported Cu concentrations in calanoid copepods (6-22 mg kg-1) coincided with estimates of enzymatic requirements of decapod crustaceans. Cd levels in Calurzrrs collectives increased significantly from 0.68 mg kg-1 in the German Bight to 11 mg kg-1 at some stations around Scotland above 59" N, in line with literature data reported for benthic decapod crustaceans. within the PRISMA multidisciplinary research project. The station grid is shown in Figure 1 (A, B). More information on the cruises is available in MEINCKE and BECKER (1993). HAARlCH et a[. (1993a) and PRISMA ( I 994).Samples for the taxonomic determination and quantification of zooplankton were taken with a vertically towed WP-2 net (mesh size 200 pm, from 3 rn above bottom to the surface), whereas samples for the determination of metals in zooplankton were obtained from a ring trawl (Californian Copepod Fishing Net, CALCOFI net, mesh size 300 pm), trawled with 2.5 knots from about 30 m depth to the surface. The CALCOFI net was equipped with a collecting jar made of polypropylene, fitted to the cod end of the net. Procedures for the biological assessment of the samples were followed as reviewed in KRAUSE and RADACH (1989) and FRANSZ et al. (1 99 I).On board ship, the zooplankton catches was transferred to polyethylene buckets and kept alive in aerated seawater at 12 "C, at least for 1-3 h. We assume completion of defaecation within this period, since gut transit times in these animals are less than 0.5 h (at 18 "C, REINFELDER and FISHER, 1991) and re-ingestion of food particles is most probably prevented by the turbulence of the water. Subsequently, the samples, still alive, were sorted under a binocular microscope, shortly rinsed with demineralized water and then stored frozen at -18 "C in acid cleaned Eppendorf reaction tubes ( I .5 mi, polypropylene). Whenever possible, samples were sorted to the species level. However, when preparing zooplankton samples for metal analyses (requiring several milligrams of dry weight, respectively), complicated procedures for biological assessment are not applicable, for instance, inspection of morphological structures of each specimen taken under a microscope. In such cases, only higher taxa were noted. A total of about 440 sorted samples (referred to as zooplankton collectives) were obtained from all cruises for ...

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Section: Introductionmentioning

confidence: 99%

Trace Metals in Mesozooplankton of the North Sea: Concentrations in Different Taxa and Preliminary Results on Bioaccumulation in Copepod Collectives (Calanus finmarchicus/C. helgolandicus)

Zauke

Krause

Weber

1996

Intl Review of Hydrobiology

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“…However, no embryos were recorded in either year for the November samples (see Figure 3, p. 38 of Foster 1967b), but both immature and mature embryos were found in all months when brooding was present. Zauke et al (1992) reported that for samples collected in May 1984, 100% of the Austrominius modestus samples attached to mangroves in Omaha Beach contained egg masses. From their 17 sites, further south in Auckland, the percentage brooding varied from 1% to 70%.…”

Section: Brooding Of Egg Massesmentioning

confidence: 99%

“…In its native range, A. modestus had been recorded on rock, concrete, iron and wood, in addition to living plants, algae, cirripedes, bivalves, gastropods, crabs, loricates and ascidians, as well as a brachiopods (Moore 1944, Luckens 1975. Zauke et al (1992) added gravel and lava to this list of substrates for adults collected in Auckland, New Zealand. In its introduced range, A. modestus has been recorded similarly on numerous types of substrates, including on gastropod molluscs, crabs, tunicates, flotsam and jetsam (Hartog 1953), such as plastic litter in the Shetland Islands (Barnes & Milner 2005), as well as on Semibalanus balanoides and its own species.…”

Section: Effect Of Substrate Type On Settlement Of Austrominius Modestusmentioning

confidence: 99%

“…Please see levels listed in Table 1 (pp. 410-411) of Rainbow (1987) for comparison with other barnacle species and Table 4 of Zauke et al (1992) for metal concentrations in ten species of barnacles from different regions of the world.…”

Section: Pollution and Heavy Metalsmentioning

confidence: 99%

“…They suggested that this may indicate differences in the digestive physiology of the two families, that is, Austrobalanidae versus Balanidae. Zauke et al (1992) examined Cadmium, Lead, Copper and Zinc levels in adult Austrominius modestus collected from 17 sites in two harbours in the Auckland area of New Zealand and from a site at Omaha Beach, ∼60 km north. In general, the metal concentrations in A. modestus were towards the lower end in comparison to European studies.…”

Section: Pollution and Heavy Metalsmentioning

confidence: 99%

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Oceanography and Marine Biology

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et al. 2020

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Biomonitoring

Lange¹,

Lambert²

1994

Water Environment Research

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Cadmium, lead, copper, and zinc inElminius modestusDarwin (Crustacea, Cirripedia) from Waitemata and Manukau Harbours, Auckland, New Zealand

Cited by 7 publications

References 27 publications

Trace Metals in Mesozooplankton of the North Sea: Concentrations in Different Taxa and Preliminary Results on Bioaccumulation in Copepod Collectives (Calanus finmarchicus/C. helgolandicus)

Trace Metals in Mesozooplankton of the North Sea: Concentrations in Different Taxa and Preliminary Results on Bioaccumulation in Copepod Collectives (Calanus finmarchicus/C. helgolandicus)

Oceanography and Marine Biology

Biomonitoring

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