Pregled bibliografske jedinice broj: 457557
Going with the flow: nudibranch gastropods track large-scale fluctuations in climate
Going with the flow: nudibranch gastropods track large-scale fluctuations in climate // Advancing the Science of Limnology and Oceanography Oceanic Sciences Meeting
Portland (OR), Sjedinjene Američke Države, 2010. str. - (poster, međunarodna recenzija, sažetak, znanstveni)
CROSBI ID: 457557 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Going with the flow: nudibranch gastropods track large-scale fluctuations in climate
Autori
Schultz, Stewart T. ; Goddard, J.H.R. ; Gosliner, T.M. ; Mason, D.E. ; Pence, W.E. ; McDonald, G.R. ; Pearse, V.B. ; and J.S. Pearse
Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni
Izvornik
Advancing the Science of Limnology and Oceanography Oceanic Sciences Meeting
/ - , 2010
Skup
Advancing the Science of Limnology and Oceanography Oceanic Sciences Meeting
Mjesto i datum
Portland (OR), Sjedinjene Američke Države, 22.02.2010. - 26.02.2010
Vrsta sudjelovanja
Poster
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
PDO ; NPGO ; MEI ; ENSO ; El Nino ; nudibranch ; California
Sažetak
Climate change is restructuring marine ecosystems worldwide, and an understanding of causal mechanisms is essential for informed forecasting and management. We used climate- index response profiling (CIRP), a novel autoregressive technique applied to multi-year time series of population abundance, to test mechanistic hypotheses about recent marked declines in shallow-water nudibranchs in California. We analyzed historical data of 56 species from three intertidal sites studied independently in central California during non- overlapping time periods between 1969 and 1995, combined with recent resurveys from these same sites. Total abundance, especially of larger more conspicuous species, at each site was generally positively correlated with El Niño conditions, warm phases of the Pacific Decadal Oscillation, elevated local sea level and sea surface temperatures, and negatively correlated with coastal upwelling and the North Pacific Gyre Oscillation. Southern species reflected this overall pattern, but northern species were not as strongly associated with the climate indices, except at Pillar Point where they were correlated in the same direction as the southern species. A random-effects meta- analysis of these results rejected thermal stress and trophic collapse hypotheses, implicating larval advection as the likeliest mechanism linking oceanographic changes with the faunal shifts, and indicating that recent declines are likely to be reversed when El Niño conditions return. CIRP presents a practical and quantitative method for understanding and forecasting population fluctuations of a conspicuous predatory guild in the California Current System.
Izvorni jezik
Engleski
Znanstvena područja
Biologija
POVEZANOST RADA
Projekti:
269-0000000-3174 - EKOLOGIJA I PRAĆENJE STANJA BENTOSKIH ŽIVOTNIH ZAJEDNICA HRVATSKOGA JADRANA
269-0362975-3174 - EKOLOGIJA I PRAĆENJE STANJA BENTOSKIH ŽIVOTNIH ZAJEDNICA HRVATSKOGA JADRANA (Schultz, Stewart, MZOS ) ( CroRIS)
Ustanove:
Sveučilište u Zadru
Profili:
Stewart Schultz
(autor)