Synchrony is more than its top-down and climatic parts: interacting Moran effects on phytoplankton in British seas

Lawrence W Sheppard, Emma J Defriez, Philip C Reid and Daniel C Reuman

PLOS Computational Biology, 2019, vol. 15, issue 3, 1-25

Abstract: Large-scale spatial synchrony is ubiquitous in ecology. We examined 56 years of data representing chlorophyll density in 26 areas in British seas monitored by the Continuous Plankton Recorder survey. We used wavelet methods to disaggregate synchronous fluctuations by timescale and determine that drivers of synchrony include both biotic and abiotic variables. We tested these drivers for statistical significance by comparison with spatially synchronous surrogate data. Identification of causes of synchrony is distinct from, and goes beyond, determining drivers of local population dynamics. We generated timescale-specific models, accounting for 61% of long-timescale (> 4yrs) synchrony in a chlorophyll density index, but only 3% of observed short-timescale (

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pcbi00:1006744

DOI: 10.1371/journal.pcbi.1006744

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