Anomalous seasonal cycles of decapod crustacean larvae in the North Sea plankton in an abnormally warm year

Lindley, J. A.; Williams, R.; Hunt, Harold

doi:10.1016/0022-0981(93)90088-6

Cited by 31 publications

(26 citation statements)

References 20 publications

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“…Unlike Strongylocentrotus droebachiensis, which is a cold water species (Stephens 1972), the northward distribution of the crab Cancer pagurus is limited by low temperatures (Lindley et al 1993, Weiss et al 2009). Climate change has great impact on species distributions, and the ongoing warming of the sea has proven to affect sea urchin−predator dynamics in both the northern and southern hemisphere (Ling & Johnson 2012, Clemente et al 2013).…”

Section: Discussionmentioning

confidence: 99%

Predators of the destructive sea urchin Strongylocentrotus droebachiensis on the Norwegian coast

Norderhaug

Christie

Pedersen³

et al. 2014

Mar. Ecol. Prog. Ser.

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In central Norway, populations of the green sea urchin Strongylocentrotus droebachiensis are collapsing, but the factors controlling its population density have not yet been elucidated. Through field sampling, we identified several sea urchin predators and investigated their predation rates on recently settled S. droebachiensis in laboratory experiments. Tethering experiments in kelp forest and on barren ground study sites in the area where sea urchin populations are collapsing confirmed predation by some of the predators tested in laboratory experiments. The edible crab Cancer pagurus was the most efficient sea urchin predator, and it was more abundant at kelp forest sites than on barren grounds. Stocks of C. pagurus have increased dramatically in central Norway since the 1990s, and predation by C. pagurus may contribute to the decline in sea urchin densities, allowing kelp recovery and conferring resilience of the new kelp forest state.

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Section: Discussionmentioning

confidence: 99%

Predators of the destructive sea urchin Strongylocentrotus droebachiensis on the Norwegian coast

Norderhaug

Christie

Pedersen³

et al. 2014

Mar. Ecol. Prog. Ser.

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“…Bivalve recruitment in the North Sea is affected deleteriously by benthic decapod predation on the newly settled larvae (Phillipart et al 2003). The dominant decapod taxa in North Sea CPR samples are Polybiinae, Upogebia deltaura, Callianassa subterranea, and Cancer pagurus (Rees 1955;Lindley et al 1993). Fisheries data show that landings of the predatory decapods (Pandalus and Nephrops; ICES 2006) and Cancer (Heath 2005) have increased markedly in the North Sea.…”

Section: Discussionmentioning

confidence: 99%

“…The Continuous Plankton Recorder (CPR) survey (Batten et al 2003) records up to 450 planktonic taxa routinely (Richardson et al 2006) and maintains a long-term time series of North Atlantic and North Sea plankton community data that extends over 70 yr and is continuous in the North Sea since 1948. Samples of the North Sea plankton collected by the CPR survey on a monthly basis from 1958 to the present day reveal an increase in abundance of the meroplankton (the planktonic life history stages of benthic species) and a concordant decline in abundance of holoplankton taxa over this period (Lindley and Batten 2002). In particular, the larvae of benthic echinoderms, notably those of Echinocardium cordatum, now dominate numerically the North Sea plankton community in the summer (Kirby et al 2007).…”

mentioning

confidence: 97%

“…Although the larvae of benthic echinoderms have shown the greatest numerical increase and the largest seasonal advance among the plankton of the North Sea, changes in other meroplankton have also been observed (Lindley and Batten 2002). The other dominant meroplankton in CPR samples are the larvae of benthic decapods, bivalves, cirripedes, and ectoprocts (cyphonautes larvae) (5bryo-zoa).…”

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confidence: 99%

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Climate‐induced effects on the meroplankton and the benthic‐pelagic ecology of the North Sea

Kirby

Beaugrand

Lindley

2008

Limnology & Oceanography

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Analyses of long-term time series of North Sea plankton and sea surface temperature (SST) data reveal that the annual planktonic larval abundance of three benthic phyla, Echinodermata, Arthropoda, and Mollusca, responds positively and immediately to SST. Long-term outcomes for the planktonic abundance of these three phyla are different, however. The planktonic larvae of echinoderms and decapod crustaceans have increased in abundance from 1958 to 2005, and especially since the mid-1980s, as North Sea SST has increased. In contrast, the abundance of bivalve mollusc larvae has declined, despite the positive year-to-year relationship between temperature and bivalve larval abundance continuing to hold. We argue that the changes in meroplankton abundance, coincident with increased phytoplankton and declining holoplankton, reflect the synchronous effect of rising SST and related changes in the pelagic community on the reproduction and recruitment of many benthic marine invertebrates. Under this scenario, the long-term decline in bivalve mollusc larvae will reflect increased predation on the settled larvae and adults by benthic decapods. These alterations in the zooplankton may therefore describe an ecosystem-wide restructuring of North Sea trophic interactions.

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“…3 shows the variables measured by the instrumented CPR tow in July. Comparison of this record with data from the UOR towed on 1 August showed that the abrupt change in temperature at about 2 h into the tow marked the position of the front between well-stratified water to the north and more mixed water to the south (see Lindley et al 1993). The mixed water to the south of the front was also much more turbid than the water in the stratified area to the north (Fig.…”

Section: Resultsmentioning

confidence: 82%

Relating plankton assemblages to environmental variables using instruments towed by ships-of-opportunity

Lindley¹,

Williams²

1994

Mar. Ecol. Prog. Ser.

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Undulating Oceanographic Recorders (UORs) and Continuous Plankton Recorders (CPRs) equipped with a suite of sensors were towed by merchant vessels in the North Sea between 1988 and 1991, recording a range of environmental variables. These were used to interpret the results of analyses of the plankton taken on CPR tows off the northeast coast of the UK in 1989 and in the Skagerrak and Kattegat in July 1988 and through 1989. Correlations were found between the biota and the environmental variables. The tidal front off the northeast coast of the UK and the front between the low salinity water in the Kattegat and the higher salinity water in the Skagerrak were dominant factors correlating with the distnbution of the plankton assemblages. Discontinuities, defining the positions of the fronts, in the values of physical variables (temperature and, where measured, sallnity and t u r b~d -ity) were closely identified w~t h geographical divisions between plankton assemblages. Measures of irradiance were found to be important on several occasions, presumably due to die1 migrations of the zooplankton.

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Anomalous seasonal cycles of decapod crustacean larvae in the North Sea plankton in an abnormally warm year

Cited by 31 publications

References 20 publications

Predators of the destructive sea urchin Strongylocentrotus droebachiensis on the Norwegian coast

Predators of the destructive sea urchin Strongylocentrotus droebachiensis on the Norwegian coast

Climate‐induced effects on the meroplankton and the benthic‐pelagic ecology of the North Sea

Relating plankton assemblages to environmental variables using instruments towed by ships-of-opportunity

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