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Castorani, MCN, Bell, TW, Walter, JA, Reuman, DC, Cavanaugh, KC and Sheppard, LW 2022 Disturbance and nutrients synchronise kelp forests across scales through interacting Moran effects. Ecology Letters. https://doi.org/10.1111/ele.14066
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Ecology Letters - 2022 - Castorani - Disturbance and nutrients synchronise kelp forests across scales through interacting.pdf - Published Version Available under License Creative Commons Attribution. Download (4MB) | Preview |
Abstract/Summary
Spatial synchrony is a ubiquitous and important feature of population dynamics, but many aspects of this phenomenon are not well understood. In particular, it is largely unknown how multiple environmental drivers interact to determine synchrony via Moran effects, and how these impacts vary across spatial and temporal scales. Using new wavelet statistical techniques, we characterised synchrony in populations of giant kelp Macrocystis pyrifera, a widely distributed marine foundation species, and related synchrony to variation in oceanographic conditions across 33 years (1987–2019) and >900 km of coastline in California, USA. We discovered that disturbance (storm-driven waves) and resources (seawater nutrients)—underpinned by climatic variability—act individually and interactively to produce synchrony in giant kelp across geography and timescales. Our findings demonstrate that understanding and predicting synchrony, and thus the regional stability of populations, relies on resolving the synergistic and antagonistic Moran effects of multiple environmental drivers acting on different timescales.
| Item Type: | Publication - Article |
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| Additional Keywords: | Coherence, Disturbance, Moran Effect, Nitrate, North Pacific Gyre Oscillation, Oceanography, Population Dynamics, Remote Sensing, Spatial Synchrony, Wavelet Transforms |
| Subjects: | Aquaculture Botany Ecology and Environment Marine Sciences |
| Divisions: | Marine Biological Association of the UK > Other (MBA) |
| Depositing User: | Tamar Atkinson |
| Date made live: | 22 Jul 2022 13:25 |
| Last Modified: | 09 Feb 2024 16:57 |
| URI: | https://plymsea.ac.uk/id/eprint/9741 |
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