ecosystem based management
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Marine Policy ◽  
2022 ◽  
Vol 136 ◽  
pp. 104919
Author(s):  
Sara L. Hamilton ◽  
Mary G. Gleason ◽  
Natalio Godoy ◽  
Norah Eddy ◽  
Kirsten Grorud-Colvert

2021 ◽  
Vol 55 (6) ◽  
pp. 53-64
Author(s):  
Alex Fejer ◽  
Giorgia Cecino ◽  
Adrian Flynn

Abstract Spatial considerations are important at multiple stages in the development of a deep-sea mining (DSM) project, from resource definition, to identification of preservation and management zones within a contract area, to planning of suitable ecological strata for baseline studies and impact assessment, to mine planning and adaptive management. Large investments are made to collect remote sensing data early in exploration to support geological resource studies, but environmental considerations are often instigated at later stages of exploration and can become disconnected from spatial frameworks. We outline a process of harmonizing the environmental and geological aspects of DSM project development by incorporating a habitat approach early in the development cycle. This habitat approach supports ecosystem-based management, which is a central requirement of environmental assessments. Geostatistical techniques are described that are used alongside a hierarchical classification scheme to describe and map geoforms and substrates. This foundational habitat model can form the basis of spatially explicit ecosystem models and can inform sampling design and spatial planning at critical junctures of a project development, ensuring that sampling campaigns are connected by an ecosystem logic early in the cycle. We provide an example application from the NORI-D polymetallic nodule exploration contract area in the Clarion-Clipperton Zone.


2021 ◽  
Vol 9 (8) ◽  
pp. 872
Author(s):  
Pasquale Ricci ◽  
Elisabetta Manea ◽  
Giulia Cipriano ◽  
Daniela Cascione ◽  
Gianfranco D’Onghia ◽  
...  

Understanding of cetaceans’ trophic role and the quantification of their impacts on the food web is a critical task, especially when data on their prey are linked to deep-sea ecosystems, which are often exposed to excessive exploitation of fishery resources due to poor management. This aspect represents one of the major issues in marine resource management, and trade-offs are needed to simultaneously support the conservation of cetaceans and their irreplaceable ecological role, together with sustainable fishing yield. In that regard, food web models can represent useful tools to support decision-making processes according to an ecosystem-based management (EBM) approach. This study provides a focus on the feeding activity occurrence and the trophic interactions between odontocetes and the fishery in the marine food web of the Gulf of Taranto (Northern Ionian Sea, Central Mediterranean Sea), by zooming in on cetaceans’ prey of commercial interest. In particular, the quantification of trophic impacts is estimated using a food web mass-balance model that integrates information on the bathymetric displacement of both cetaceans’ prey and fishing activity. The results are discussed from a management perspective to guide future research and knowledge enhancement activities as well as support the implementation of an EBM approach.


2021 ◽  
Vol 26 (2) ◽  
pp. 59-84
Author(s):  
Marina Ribeiro Corrêa ◽  
Luciana Yokoyama Xavier ◽  
Eike Holzkämper ◽  
Mariana Martins de Andrade ◽  
Alexander Turra ◽  
...  

2021 ◽  
pp. 251484862110268
Author(s):  
Leane Makey

Decolonising methodologies continue to be critically developed to disrupt the marginalising approaches to knowledge production. By privileging Indigenous ways of knowing, being and doing, relations with nature are a more-than-human entanglement and a relational pursuit. Ecosystems such as estuaries and rivers are connected through kin-based relationships and treated as (or are) ancestors and family members. Such embodiment connects the body–mind–spirit to maintain relations with the mauri of ancestral beings and Deities. Within this ontology, nature is indistinguishable from culture. Our research responds to the call of how method might proceed to de-centre the human and make bodily and material encounters with the nonhuman matter. ‘Thinking with Kaipara’ is a methodological strategy that is a deliberate attempt to pursue embodied ways of producing knowledge. To work with situated knowledges, place and social difference to address the crisis of representation of such in ecosystem-based management, the problematising of ecosystem degradation and restoration practices. Research data produced is founded on human and nonhuman collaboration, an ethic of care, diverse epistemic nature–culture relations, social/nature/gender justice and equality, which makes for empirical evidence not enjoyed by scientific and technocratic methods utilised to inform and shape ecosystem-based management decisions and policy. Geo-creative practices are used by co-researchers/co-participants to recount their lived experiences and knowledges of ecosystem degradation and restoration. Storytelling, poetics, and painting, sculpting, whaikorero, waiata and writing were practices used. We argue that such geo-creative practices challenge the normative spaces and practices of disciplinary knowledge-making and enable the examination of social heterogeneous nature–culture relations in settler-colonial societies.


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