Stochastic event alters gelatinous zooplankton community structure

Impacts of Hurricane Sandy in a Mid-Atlantic estuary

Paul Bologna, John Gaynor, Robert Meredith, Dena Restaino, Christie Barry

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

Climate change has increased hurricane activity and intensity, leading to greater destructive forces impacting coastal communities. Barnegat Bay, New Jersey, USA, is a shallow Mid-Atlantic estuary with considerable anthropogenic development which shows vulnerability to elevated storm surges and coastal flooding. Gelatinous zooplankton were sampled monthly in the summer prior to Hurricane Sandy in October 2012, with the community dominated by 2 species, Chrysaora quinquecirrha and Mnemiopsis leidyi. These 2 species showed inverse distributions, with C. quinquecirrha dominating in the northern, lower-salinity region and M. leidyi abundant in the southern, high-salinity region of the estuary, with significant top-down control of M. leidyi by C. quinquecirrha. Following Hurricane Sandy, substantial changes in the community occurred, with a 64% increase in gelatinous zooplankton species richness. C. quinquecirrha population density significantly declined by more than 50% in 2013 (from 0.033 to 0.013 m-3) and remained lower in 2014 (0.012 m-3). Concomitantly, M. leidyi populations significantly increased from 2.4 to 5.4 m-3 in 2013 but dropped in 2014. The drop in 2014 was unexpected, as the C. quinquecirrha population remained low. However, the increasing density and diversity of other gelatinous species in 2013 and 2014, including Salpa sp., Turritopsis nutricula, Nemopsis bachei, Bougainvillea muscus, and Rathkea octopunctata, changed the community composition. Consequently, the destructive forces of Hurricane Sandy cascaded throughout the community by the elimination of polyp habitat for the dominant predator, thereby opening the system to community succession.

Original languageEnglish
Pages (from-to)217-227
Number of pages11
JournalMarine Ecology Progress Series
Volume591
DOIs
StatePublished - 19 Mar 2018

Fingerprint

Mnemiopsis leidyi
hurricanes
hurricane
zooplankton
community structure
estuaries
estuary
Bougainvillea
salinity
top-down control
polyp
storm surge
community composition
population density
vulnerability
flooding
species richness
climate change
predator
predators

Keywords

  • Community structure
  • Hurricanes
  • Jellyfish
  • Zooplankton

Cite this

@article{655aed7f52fa454b927f760ceee5d6ee,
title = "Stochastic event alters gelatinous zooplankton community structure: Impacts of Hurricane Sandy in a Mid-Atlantic estuary",
abstract = "Climate change has increased hurricane activity and intensity, leading to greater destructive forces impacting coastal communities. Barnegat Bay, New Jersey, USA, is a shallow Mid-Atlantic estuary with considerable anthropogenic development which shows vulnerability to elevated storm surges and coastal flooding. Gelatinous zooplankton were sampled monthly in the summer prior to Hurricane Sandy in October 2012, with the community dominated by 2 species, Chrysaora quinquecirrha and Mnemiopsis leidyi. These 2 species showed inverse distributions, with C. quinquecirrha dominating in the northern, lower-salinity region and M. leidyi abundant in the southern, high-salinity region of the estuary, with significant top-down control of M. leidyi by C. quinquecirrha. Following Hurricane Sandy, substantial changes in the community occurred, with a 64{\%} increase in gelatinous zooplankton species richness. C. quinquecirrha population density significantly declined by more than 50{\%} in 2013 (from 0.033 to 0.013 m-3) and remained lower in 2014 (0.012 m-3). Concomitantly, M. leidyi populations significantly increased from 2.4 to 5.4 m-3 in 2013 but dropped in 2014. The drop in 2014 was unexpected, as the C. quinquecirrha population remained low. However, the increasing density and diversity of other gelatinous species in 2013 and 2014, including Salpa sp., Turritopsis nutricula, Nemopsis bachei, Bougainvillea muscus, and Rathkea octopunctata, changed the community composition. Consequently, the destructive forces of Hurricane Sandy cascaded throughout the community by the elimination of polyp habitat for the dominant predator, thereby opening the system to community succession.",
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Stochastic event alters gelatinous zooplankton community structure : Impacts of Hurricane Sandy in a Mid-Atlantic estuary. / Bologna, Paul; Gaynor, John; Meredith, Robert; Restaino, Dena; Barry, Christie.

In: Marine Ecology Progress Series, Vol. 591, 19.03.2018, p. 217-227.

Research output: Contribution to journalArticleResearchpeer-review

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T2 - Impacts of Hurricane Sandy in a Mid-Atlantic estuary

AU - Bologna, Paul

AU - Gaynor, John

AU - Meredith, Robert

AU - Restaino, Dena

AU - Barry, Christie

PY - 2018/3/19

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N2 - Climate change has increased hurricane activity and intensity, leading to greater destructive forces impacting coastal communities. Barnegat Bay, New Jersey, USA, is a shallow Mid-Atlantic estuary with considerable anthropogenic development which shows vulnerability to elevated storm surges and coastal flooding. Gelatinous zooplankton were sampled monthly in the summer prior to Hurricane Sandy in October 2012, with the community dominated by 2 species, Chrysaora quinquecirrha and Mnemiopsis leidyi. These 2 species showed inverse distributions, with C. quinquecirrha dominating in the northern, lower-salinity region and M. leidyi abundant in the southern, high-salinity region of the estuary, with significant top-down control of M. leidyi by C. quinquecirrha. Following Hurricane Sandy, substantial changes in the community occurred, with a 64% increase in gelatinous zooplankton species richness. C. quinquecirrha population density significantly declined by more than 50% in 2013 (from 0.033 to 0.013 m-3) and remained lower in 2014 (0.012 m-3). Concomitantly, M. leidyi populations significantly increased from 2.4 to 5.4 m-3 in 2013 but dropped in 2014. The drop in 2014 was unexpected, as the C. quinquecirrha population remained low. However, the increasing density and diversity of other gelatinous species in 2013 and 2014, including Salpa sp., Turritopsis nutricula, Nemopsis bachei, Bougainvillea muscus, and Rathkea octopunctata, changed the community composition. Consequently, the destructive forces of Hurricane Sandy cascaded throughout the community by the elimination of polyp habitat for the dominant predator, thereby opening the system to community succession.

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