Data from: Climate change and pathways of vessel traffic create marine protected area networks of invasion

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Description:

1. Establishment of protected areas to maintain biodiversity requires identification, prioritization, and management of stressors that may undermine conservation goals. Nonindigenous species and climate change are critical ecosystem stressors that need greater attention in the context of spatial planning and management of protected areas. Risk of invasion into protected areas needs to be quantified under current and projected climate conditions in conjunction with prioritization of key vectors and vulnerable areas to enable development of effective management strategies.
2. We assessed the likelihood of invasion across networks of marine protected areas (MPAs) to determine how invaded MPAs may compromise MPA networks by sharing nonindigenous species. We evaluated invasion risk in 83 MPAs along Canada’s Pacific coast for eight nonindigenous species based on environmental suitability under current and future (average conditions from 2041-2070) climate conditions and association with shipping and boating pathways. We applied species distribution models and network analysis of vessel tracking data for 805 vessels in 2016 that connected MPAs.
3. The probability of occurrence within MPAs and the proportion of MPA area that is suitable to the modelled species significantly increased under future climate conditions, with six species reaching over 90% predicted occurrence across MPAs and over 70% of suitable area within MPAs. Vessel traffic created four network clusters of 61 highly connected MPAs that spanned the coastline. Occupancy of over 90% of the MPAs within the clusters was predicted for most species.
4. Synthesis and applications. Our results indicate a high likelihood of marine protected area (MPA) network invasion based on current and future environmental conditions and vectors of spread, and the potential for extensive nonindigenous species distributions within MPAs. Our approach highlights how interacting stressors can exacerbate MPA susceptibility to nonindigenous species, adding further challenges for protected area management. Management planning that invests in understanding connectivity and vector processes (human behaviors) is more likely to derive effective policies to stem the flow of nonindigenous species under both current and future conditions. In particular, biosecurity measures including vessel biofouling regulations and MPA- and MPA network-specific plans for prevention, monitoring, and mitigation of nonindigenous species are needed.

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Auteur(s) :

Iacarella, Josephine

Iacarella, Josephine

Fisheries and Oceans Canada

, Lyons, Devin

Lyons, Devin

Fisheries and Oceans Canada

, Burke, Lily

Burke, Lily

Fisheries and Oceans Canada

, Davidson, Ian

Davidson, Ian

Cawthron Institute

, Therriault, Thomas

Therriault, Thomas

Fisheries and Oceans Canada

, Dunham, Anya

Dunham, Anya

Fisheries and Oceans Canada

et DiBacco, Claudio

DiBacco, Claudio

Fisheries and Oceans Canada

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Dépôt source:

Dryad

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URL:

https://doi.org/10.5061/dryad.2v6wwpzjc

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Date de publication:

2020-05-04

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Mots-clés (en):

automatic identification systems, biosecurity regulations, ship and boat vectors, et species range shifts

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Citation selon les normes APA:

Data from: Climate change and pathways of vessel traffic create marine protected area networks of invasion. (2020). [Data set]. Dryad. https://doi.org/10.5061/dryad.2v6wwpzjc

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