ORCID Profile
0000-0002-9881-4779
Current Organisations
University of Southampton
,
Marine Biological Association of the United Kingdom
,
University of Exeter
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Publisher: Elsevier BV
Date: 09-2018
DOI: 10.1016/J.MARENVRES.2018.06.022
Abstract: Frameworks designed to prioritise the management of invasive non-native species (INNS) must consider many factors, including their impacts on native bio ersity, ecosystem services, and human health. Management feasibility should also be foremost in any prioritisation process, but is often overlooked, particularly in the marine environment. The Asian kelp, Undaria pinnatifida, is one of the most cosmopolitan marine INNS worldwide and recognised as a priority species for monitoring in the UK and elsewhere. Here, experimental monthly removals of Undaria (from 0.2 m
Publisher: Springer Science and Business Media LLC
Date: 10-11-2017
Publisher: Wiley
Date: 07-2019
DOI: 10.1002/ECS2.2814
Publisher: Wiley
Date: 04-03-2019
DOI: 10.1002/ECE3.5025
Publisher: Springer Science and Business Media LLC
Date: 19-06-2019
DOI: 10.1038/S41598-019-45388-5
Abstract: Contemporary coexistence theory provides a framework for predicting invasiveness and impact of Invasive Non-Native Species (INNS) by incorporating differences in niche and fitness between INNS and co-occurring native species. The widespread invasive kelp Undaria pinnatifida is considered a high-risk INNS, although a robust evidence base regarding its invasiveness and impact is lacking in many regions. Invaded macroalgal canopies at nine coastal sites in the southwest UK were studied over three years to discern whether Undaria is coexisting or competing with native canopy-forming species across different habitat types. Spatial, temporal and depth-related trends in species distributions and abundance were recorded within intertidal and subtidal rocky reef as well as on marina pontoons. A primary succession experiment also examined competitive interactions between species. In rocky reef habitats, Undaria had lower fitness compared to long-lived native perennials, but was able to coexist due to niche dissimilarity between species. In contrast, Undaria was likely to be competing with short-lived native annuals on rocky reef due to large niche overlap and similar fitness. In marina habitats, Undaria dominated over all other canopy formers due to low niche ersification and higher fitness. Generalisations on INNS impact cannot be made across habitats or species, without considering many abiotic factors and biotic interactions.
Publisher: Springer Science and Business Media LLC
Date: 21-10-2020
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Graham Epstein.