Q 36 - How to maintain mobile species persistence (and connectivity) and population/community persistence (passive connectivity) across a transboundary MPA?#

Broader “Question”
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Answers#

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Operational approaches

ESE1 - Ecological toolkit#

Practices: Scoping Data collection and presentation Analysis and diagnosis
Spatial scales: Transboundary / sea basin
Protection regimes: Strict protection Non-strict protection
Marine zones: Coastal zone Deep sea

Criteria classes: 1 Ecological and genetic criteria 1.1 Functional 1.1.1 Vulnerability 1.1.2 Stability 1.1.3 Functional hotspots 1.1.4. Life cycle critical areas 1.1.5 Climate-smart potential 1.2 Structural 1.3 Genetic 1.4 Ecological status

Criteria

Operational approaches: (Method) Dispersion and connectivity modelling

Implementation details

Please refer to the answer to Question 37 which includes a much more extensive description regarding the maintenance of population persistence, the importance of connectivity, the identification of impacts that can affect the vulnerability of a population and the criteria and tools that can be used.

Please also consult Deliverable 3.1 “Critical review on multilevel ecological processes to improve systemic biodiversity protection and restoration strategies in Europe” (Bongiorni et al. 2023) Chapter 4 “Connectivity” includes a detailed description of how to approach this aspect including the different types of connectivity, approaches, metrics and tools.

The key difference between the questions is that a transboundary MPA will present additional hurdles for the maintenance of a species’ population persistence. Collaboration and communication between the different countries, different actors and stakeholders is of the utmost importance in order to streamline initiatives that seek to conserve species, allowing the favorable conditions required for local retention, population persistence and connectivity between life cycle areas such as steppingstone areas and recruitment areas.

Notes

This question is related to Question 55: How to adress CC within a MPA network? We highly recommend to consult this answer for more details about connectivity and network building under changing conditions. Please refer in addition to an extensive description that is highly relevant to this question contained in Section 3.2.4 of D3.2 “Portfolio of improved ecological criteria to be applied in systemic biodiversity protection and restoration”.