Mobilisation of data to stakeholder communities: Bridging the research-practice gap using a commercial shellfish species model

Knowledge mobilisation is required to “bridge the gap” between research,
policy and practice. This activity is dependent on the amount, richness
and quality of the data published. To understand the impact of a changing
climate on commercial species, stakeholder communities require better
knowledge of their past and current situations. The common cockle
(Cerastoderma edule) is an excellent model species for this type of
analysis, as it is well-studied due to its cultural, commercial and
ecological significance in west Europe. Recently, C. edule harvests have
decreased, coinciding with frequent mass mortalities, due to factors such
as a changing climate and diseases. In this study, macro and micro level
marine historical ecology techniques were used to create datasets on
topics including: cockle abundance, spawning duration and harvest levels,
as well as the ecological factors impacting those cockle populations.
These data were correlated with changing climate and the Atlantic
Multidecadal Oscillation (AMO) index to assess if they are drivers of
cockle abundance and harvesting. The analyses identified the key
stakeholder communities involved in cockle research and data acquisition.
It highlighted that data collection was sporadic and lacking in
cross-national/stakeholder community coordination. A major finding was
that local variability in cockle populations is influenced by biotic
(parasites) and abiotic (temperature, legislation and harvesting) factors,
and at a global scale by climate (AMO Index). This comprehensive study
provided an insight into the European cockle fishery but also highlights
the need to identify the type of data required, the importance of
standardised monitoring, and dissemination efforts, taking into account
the knowledge, source, and audience. These factors are key elements that
will be highly beneficial not only to the cockle stakeholder communities
but to other commercial species.