Embryonic and Postembryonic Development in <i>Bythotrephes cederstroemii</i>

Yurista, Peder M.

doi:10.1139/f92-124

Cited by 83 publications

(160 citation statements)

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“…Natalie Kim 1 * and Norman D. Yan estimates of development times are "sketchy" (Yurista 1992). Yurista (1992) offers the most detailed insights into how one might embark upon culturing these animals, but even he admits the challenges involved in raising them from birth to reproduction.…”

Section: Methods For Rearing the Invasive Zooplankter Bythotrephes Inmentioning

confidence: 99%

“…Yurista (1992) offers the most detailed insights into how one might embark upon culturing these animals, but even he admits the challenges involved in raising them from birth to reproduction. The lack of a standard culturing methodology has hindered progress in Bythotrephes research.…”

Section: Methods For Rearing the Invasive Zooplankter Bythotrephes Inmentioning

confidence: 99%

“…Moreover, Bythotrephes' long caudal process inhibits ingestion by youngof-the-year fishes, possibly impacting growth rates and recruitment (Hoffman et al 2001). Although Bythotrephes is readily eaten by some fishes such as lake herring (Coulas et al 1998), its development times are rapid (Yurista 1992), and populations can grow more quickly than those of predator fishes (Lehman 1987). …”

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confidence: 99%

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Methods for rearing the invasive zooplankter Bythotrephes in the laboratory

Kim

Yan

2010

Limnology & Ocean Methods

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The invasive spiny water flea's (Bythotrephes longimanus) current North American distribution encompasses the Laurentian Great Lakes as well as a number of inland lakes, particularly on the Canadian Shield. In the past, poor survival in the laboratory has precluded controlled long-term studies on Bythotrephes. Here we investigated field collection techniques and choices of culture media, temperature, and diet that led to the successful maintenance of Bythotrephes from birth to reproduction. Gravid parthenogenic females were collected from invaded lakes. Resulting offspring were reared in source lake water filtered through 20 or 80 µm, or a fully defined artificial culture medium, FLAMES. Individuals raised in FLAMES produced significantly larger broods than those in lake water, indicating that it is an appropriate culture medium. We next conducted a 96-h temperature bioassay on juvenile Bythotrephes. Survival was comparable at 16°C, 20°C, and 24°C but decreased after 48 h at 28°C, and most animals died after 24 h at 32°C. We also reared Bythotrephes at 16°C, 19°C, 22°C, and 25°C. Corresponding intrinsic rates of natural increase (r) for animals maintained to first brood release were 0.02, 0.05, 0.06, and 0.03 d -1 , suggesting that Bythotrephes should be reared at ~22°C to benefit from maximum population increases. Feeding trials confirmed that young Bythotrephes prefer small, slow-moving prey. Finally, we devised a protocol for rearing Bythotrephes that yielded 100% survival to reproduction and r = 0.10 d -1 (for animals maintained to first brood release). Given these results, it is now possible to conduct long-term laboratory studies on this invader.

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Section: Methods For Rearing the Invasive Zooplankter Bythotrephes Inmentioning

confidence: 99%

Section: Methods For Rearing the Invasive Zooplankter Bythotrephes Inmentioning

confidence: 99%

mentioning

confidence: 99%

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Methods for rearing the invasive zooplankter Bythotrephes in the laboratory

Kim

Yan

2010

Limnology & Ocean Methods

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“…Rotifers comprised a minor portion of the biomass. In Lake Huron and Lake Michigan, all specimens of the large cladoceran predator, Bythotrephes cederstroemi, were removed from the samples and preserved separately as either instar 1, 2, or 3 based on the number of lateral barb pairs on the caudal spine (Yurista 1992).…”

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confidence: 99%

“…1) should be useful to studies concerned with predicting the levels of contaminant bioaccumulation transmitted through food chains that contain N values of Bythotrephes cederstroemi from Lake Michigan and Lake Huron. Animals were pooled by instar based on the number of lateral barb pairs on the caudal spine, notated as one-barb, two-barb, or three-barb (Yurista 1992). More than 10 individuals were combined for each sample.…”

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confidence: 99%

Measuring life‐history omnivory in the opossum shrimp, Mysis relicta, with stable nitrogen isotopes

Branstrator¹,

Cabana

Mazumder

et al. 2000

Limnology & Oceanography

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Mysis relicta is a species of omnivorous zooplankton that has been implicated over the last several decades in important food‐web processes such as the lengthening of food chains, the mobilization of benthic contaminants to the pelagic, and the restructuring of community dynamics. We used stable nitrogen isotopes (δ15N) to quantify ontogenetic diet shifting of M. relicta in five North American lakes. Analyses indicated that M. relicta measuring >1.5 cm were elevated, on average, 0.73 trophic levels above conspecifics measuring <1‐cm length, and 0.57 trophic levels above conspecifics measuring <1 but >1.5‐cm length. This pattern suggests a trend toward increasing carnivory with maturity, which is consistent with the results of previous conventional approaches to diet analysis in this species. Our results should be useful to modelers concerned with quantifying the effects of M. relicta on energy transfer and contaminant bioaccumulation in food chains.

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Outbreak of an undetected invasive species triggered by a climate anomaly

2016

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Abstract. When an invasive species appears at a new location, we typically have no knowledge of the population dynamics leading up to that moment. Is the establishment of invasive propagules closely followed by the appearance of the population? Or alternatively, was there an established low-density population that was released from a constraint and crossed the detection threshold? The early stages of the invasion process are a critical gap in our knowledge, yet vitally important for the detection and management of invasions. Here, we present multiple lines of evidence supporting the lag scenario for an invasive species outbreak. The invasive predatory zooplankton, spiny water flea (Bythotrephes longimanus), was detected in Lake Mendota, Wisconsin (USA), in summer of 2009 and rapidly reached and sustained exceptionally high densities. To evaluate whether Bythotrephes' outbreak immediately followed introduction or erupted from an established low-density population, we constructed a population model of Bythotrephes in Lake Mendota. In the model, Bythotrephes persisted indefinitely at low levels until favorable thermal conditions in 2009, the coolest July since at least 1895, allowed it to erupt to high densities and establish a large egg bank in the lake sediments. The egg bank stabilized the population in the high-density state despite a return to nonfavorable thermal conditions, which is further supported by demographic data suggesting a constant contribution from the egg bank during the year. The prolonged lag scenario is corroborated by the detection of two individual Bythotrephes in pre-2009 archived samples, and the detection of Bythotrephes spines in lake sediment core layers dating back to 1994 (AE5 yr). Together, our results suggest that Bythotrephes persisted for at least a decade below the detection limit, until optimal thermal conditions triggered a population outbreak. This work highlights the potential for environmental conditions to trigger invasive species outbreaks from low-density populations.

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Embryonic and Postembryonic Development in Bythotrephes cederstroemii

Cited by 83 publications

References 2 publications

Methods for rearing the invasive zooplankter Bythotrephes in the laboratory

Methods for rearing the invasive zooplankter Bythotrephes in the laboratory

Measuring life‐history omnivory in the opossum shrimp, Mysis relicta, with stable nitrogen isotopes

Outbreak of an undetected invasive species triggered by a climate anomaly

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