Caroline Möller's research while affiliated with Leibniz Institute for Baltic Sea Research and other places

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Publications (4)

Study area off the island of Norderney in the southern North Sea, showing the stations sampled from 1978 to 2012 (modified after Kröncke et al., 2013).
Winter (Dec–Mar) sea-level pressure for the periods 1977–1988 (left) and 1989–2000 (right).
Autocorrelation function of winter NAO for different periods.
AMOEBA model for the southern North Sea benthos (blue line as the edge of the yellow area). Two regime shifts (RS) are shown. RS1 shows the differences in the standardized spring values of the regime 1989–2000 minus those of 1977–1988 (upper panel). RS2 shows the differences in the standardized spring values of the regime 2001–2012 minus those of 1989–2000 (lower panel). The black circle marks the long-term climatic mean value, and the two red circles the ± 1 STD. The acronyms are in clockwise direction: Interface-feeders (interf.f.), surface-deposit-feeders (surf.d.f.), sediment-feeding polychaeta (s.f.Poly.), subsurface-deposit-feeders (subs.d.f.), suspension-feeders (susp.f.), arctic-boreal (arctic-bo.), cold-temperate (cold-t.), warm-temperate (warm-t.), Polychaeta (Poly.), Crustacea (Crusta.), Echinodermata (Echino.), Mollusca (Moll.), Nemertini (Nemer.), Urothoe poseidonis (Uro.p.), Echinocardium cordatum (E.cord.), Tellina (Fabulina) fabula, (Fab.f.), Nephtyidae spp. (Neph.), and Magelona spp. (Mag.spp.).
Composite analysis of sea-level pressure (SLP) anomalies during winter (December–March) according to the classification given by Hurrell and Deser (2009).
Loss of persistence of the North Atlantic Oscillation and its biological implication
  • Article
  • Full-text available

September 2014

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85 Reads

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18 Citations

Frontiers in Ecology and Evolution

Frontiers in Ecology and Evolution

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Caroline Möller

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Ingrid Kröncke

Winter sea-level pressure fields in the northern hemisphere were analyzed with respect to regimes and regime shifts (RS). Classification of the North Atlantic Oscillation (NAO) patterns resulted in the identification of two longer lasting climate regimes: a persistent NAO- period from 1977 to 1988 followed by a persistent NAO+ period from 1989 to 2000. A further persistent NAO- period from 1956 to 1966 cannot be related to climate regime shifts. After 2000, the NAO lost its persistence and the autocorrelation disappeared, while the variance in the benthic data increased. The consequence was a decrease in potential predictability. The impact of the 1988/89 and 2000/2001 RS on the dominant species and taxonomic groups of benthic macrofauna as well as on benthic community structure was evaluated using an AMOEBA model, a quantitative method used in water management to represent the status of the ecosystem. The model confirmed the effects of the smooth RS in 1988/1989 and the abrupt RS in 2000/2001 on the macrofauna communities provided by earlier data analyses.

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Citations (4)

... Nevertheless, the species specific response to climate (Bässler et al., 2009) and disturbance (Beudert et al., 2015) or both, mediated by their traits and considering the various functions of species in ecosystems, an ongoing shift in communities and also in ecosystem processes and functions is much more reliable than a simple return to a starting point. Biological regime shifts (BRS) in marine ecosystems often occur in connection with climate regime shifts (CRS) as documented in different areas in the oceans and result in a reduction of species diversity (Dippner et al., 2014). CRS are often considered as changes in the trend of global mean air temperature (Swanson and Tsonis, 2009). ...

Reference:

Assessing resilience in long-term ecological data sets
Persistency of the North Atlantic Oscillation and its biological implication
  • Citing Article

  • January 2014

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C. Möller

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I. Kröncke

... In contrast, an increase in species numbers and biomass was observed over 50 yr in the Dutch Wadden Sea, likely due to climate change and de-eutrophication (Beukema & Dekker 2020). Long-term climate cycles, such as El Niño (Escobar Briones 2003, Francisco & Netto 2020 and the North Atlantic Oscillation (Dippner et al. 2014), are correlated with benthic infaunal diversity and community structure. Warming of coastal waters has also caused northward shifts in benthic species distributions along the US coastline since 1990 (Hale et al. 2017). ...

Reference:

Benthic infauna are resistant and resilient to hurricane disturbance
Loss of persistence of the North Atlantic Oscillation and its biological implication
Frontiers in Ecology and Evolution

Frontiers in Ecology and Evolution

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Caroline Möller

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Ingrid Kröncke

... Long-term data sets are crucial in assessing the state of the marine systems and its ecological processes, to disentangle human-induced and natural changes, short-term fluctuations and long-term trends (Rousi et al. 2013;Dippner et al. 2014;Haase et al. 2016;Zettler et al. 2017). Natural and anthropogenic factors influence the variability of the biological environment simultaneously and it is always a challenge to discover the real drivers and pressures and to derive an appropriate management strategy. ...

Reference:

Long-Term Trends of the Offshore Ecosystems
Loss of persistence of the North Atlantic Oscillation and its biological implication
  • Citing Article

  • January 2014

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C. Möller

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I. Kröncke