scholarly journals Can We Avoid Tacit Trade-Offs between Flexibility and Efficiency in Systematic Conservation Planning? The Mediterranean Sea as a Case Study

Diversity ◽  
2021 ◽  
Vol 14 (1) ◽  
pp. 9
Author(s):  
Sabrine Drira ◽  
Frida Ben Rais Lasram ◽  
Tarek Hattab ◽  
Yunne-Jai Shin ◽  
Amel Ben Rejeb Jenhani ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Conservation Planning ◽  
Heuristic Algorithms ◽  
Reserve Selection ◽  
Systematic Conservation Planning ◽  
Trade Offs ◽  
The Mediterranean ◽  
Selection Framework ◽  
Exact Optimization ◽  
Selection Of

Species distribution models (SDMs) provide robust inferences about species-specific site suitability and are increasingly used in systematic conservation planning (SCP). SDMs are subjected to intrinsic uncertainties, and conservation studies have generally overlooked these. The integration of SDM uncertainties in conservation solutions requires the development of a suitable optimization algorithm. Exact optimization algorithms grant efficiency to conservation solutions, but most of their implementations generate a single binary and indivisible solution. Therefore, without variation in their parameterization, they provide low flexibility in the implementation of conservation solutions by stakeholders. Contrarily, heuristic algorithms provide such flexibility, by generating large amounts of sub-optimal solutions. As a consequence, efficiency and flexibility are implicitly linked in conservation applications: mathematically efficient solutions provide less flexibility, and the flexible solutions provided by heuristics are sub-optimal. To avoid this trade-off between flexibility and efficiency in SCP, we propose a reserve-selection framework, based on exact optimization combined with a post-selection of SDM outputs. This reserve-selection framework provides flexibility and addresses the efficiency and representativeness of conservation solutions. To exemplify the approach, we analyzed an experimental design, crossing pre- and post-selection of SDM outputs versus heuristics and exact mathematical optimizations. We used the Mediterranean Sea as a biogeographical template for our analyses, integrating the outputs of eight SDM techniques for 438 fish species.

scholarly journals Are trade-offs between flexibility and efficiency in systematic conservation planning avoidable ?

2019 ◽  
Author(s):  
Sabrine Drira ◽  
Frida Ben Rais Lasram ◽  
Tarek Hattab ◽  
Yunne Jai Shin ◽  
Amel Ben Rejeb Jenhani ◽  
...  
Keyword(s):  
Conservation Planning ◽  
Large Body ◽  
Efficient Solutions ◽  
Reserve Selection ◽  
Systematic Conservation Planning ◽  
Distribution Models ◽  
Precise Control ◽  
Trade Offs ◽  
Selection Framework ◽  
Selection Of

AbstractSpecies distribution models (SDMs) have been proposed as a way to provide robust inference about species-specific sites suitabilities, and have been increasingly used in systematic conservation planning (SCP) applications. However, despite the fact that the use of SDMs in SCP may raise some potential issues, conservation studies have overlooked to assess the implications of SDMs uncertainties. The integration of these uncertainties in conservation solutions requires the development of a reserve-selection approach based on a suitable optimization algorithm. A large body of research has shown that exact optimization algorithms give very precise control over the gap to optimality of conservation solutions. However, their major shortcoming is that they generate a single binary and indivisible solution. Therefore, they provide no flexibility in the implementation of conservation solutions by stakeholders. On the other hand, heuristic decision-support systems provide large amounts of sub-optimal solutions, and therefore more flexibility. This flexibility arises from the availability of many alternative and sub-optimal conservation solutions. The two principles of efficiency and flexibility are implicitly linked in conservation applications, with the most mathematically efficient solutions being inflexible and the flexible solutions provided by heuristics suffering sub-optimality. In order to avoid the trade-offs between flexibility and efficiency in systematic conservation planning, we propose in this paper a new reserve-selection framework based on mathematical programming optimization combined with a post-selection of SDM outputs. This approach leads to a reserve-selection framework that might provide flexibility while simultaneously addressing efficiency and representativeness of conservation solutions and the adequacy of conservation targets. To exemplify the approach we a nalyzed an experimental design crossing pre- and post-selection of SDM outputs versus heuristics and exact mathematical optimizations. We used the Mediterranean Sea as a biogeographical template for our analyses, integrating the outputs of 8 SDM techniques for 438 fishes species.

scholarly journals Systematic conservation planning in the Mediterranean: a flexible tool for the identification of no-take marine protected areas

2008 ◽  
Vol 66 (1) ◽  
pp. 137-146 ◽  
Author(s):  
Luigi Maiorano ◽  
Valerio Bartolino ◽  
Francesco Colloca ◽  
Alvaro Abella ◽  
Andrea Belluscio ◽  
...  
Keyword(s):  
Protected Areas ◽  
Marine Protected Areas ◽  
Conservation Planning ◽  
Spatial Scales ◽  
Systematic Conservation Planning ◽  
Flexible Tool ◽  
Fishing Vessels ◽  
The Mediterranean ◽  
Definition Of ◽  
Selection Of

Abstract Maiorano, L., Bartolino, V., Colloca, F., Abella, A., Belluscio, A., Carpentieri, P., Criscoli, A., Jona Lasinio, G., Mannini, A., Pranovi, F., Reale, B., Relini, G., Viva, C., and Ardizzone, G. D. 2009. Systematic conservation planning in the Mediterranean: a flexible tool for the identification of no-take marine protected areas. – ICES Journal of Marine Science, 66: 137–146. We propose the use of systematic conservation planning in the Mediterranean context for the identification of no-take marine protected areas (NTMPAs). We suggest a logical framework that should be used for the identification of areas to be targeted for multispecies, spatially explicit conservation actions. Specifically, we propose seven steps: (i) definition of the study area; (ii) selection of the species or habitats to be considered; (iii) definition of the planning units; (iv) measurement of the fishing effort; (v) definition of the conservation targets; (vi) review of the existing conservation areas; (vii) selection of additional NTMPAs. Moreover, we consider the potential impact of different conservation plans on existing fishing vessels. A working example is presented, focusing on a limited number of species and on a limited study area. This framework can be easily expanded to include datasets of different origin and to accommodate larger spatial scales. Such a process involves major data-collection and capacity-building elements, and conservation of productive commercial fisheries must be a priority.

Nature Conservation in Rangelands: Lessons From Research on Reserve Selection in New South Wales.

1992 ◽  
Vol 14 (2) ◽  
pp. 214 ◽  
Author(s):  
RL Pressey
Keyword(s):  
Conservation Planning ◽  
New South ◽  
Full Range ◽  
New South Wales ◽  
Reserve Selection ◽  
South Wales ◽  
Land Systems ◽  
The Difference ◽  
Selection Of

Information on the features to be protected in a system of conservation reserves is an obvious requirement. The quality of the data base will primarily determine the effectiveness of conservation planning in protecting the full range of natural features in a region. However, the way in which data are used to make decisions on the locations of protected areas is also critical. Rigorous procedures for reserve selection can make the difference between achieving reservation goals or not. Research on reserve selection in New South Wales over recent years has concerned both data bases and procedures for guiding decisions. Reserve planning in many regions is based largely on some form of land classification like vegetation types or land systems. There are good reasons for using such land classes to guide the selection of reserves and to judge their representativeness. Nevertheless, they can have considerable limitations as a basis for protecting all the species in a region. These limitations are reviewed with references to more detailed discussions of particular issues. The paper also reviews a variety of procedures for selecting reserves which have been tested and applied in New South Wales. Some of the recent procedures are conceptually simple but very useful in identifying the requirements of reservation goals and demonstrating the options available to planners for representing particular features. Three principles are proposed which should underpin any attempt at systematic conservation planning.

scholarly journals Advancing marine conservation planning in the Mediterranean Sea

2012 ◽  
Vol 22 (4) ◽  
pp. 943-949 ◽  
Author(s):  
Sylvaine Giakoumi ◽  
◽  
Tessa Mazor ◽  
Simonetta Fraschetti ◽  
Salit Kark ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Conservation Planning ◽  
Marine Conservation ◽  
The Mediterranean

scholarly journals A systematic conservation planning approach to maintaining ecosystem service provision in working landscapes

FACETS ◽  
2021 ◽  
Vol 6 ◽  
pp. 1570-1600
Author(s):  
Jérôme Cimon-Morin ◽  
Jean-Olivier Goyette ◽  
Poliana Mendes ◽  
Stéphanie Pellerin ◽  
Monique Poulin
Keyword(s):  
Land Use ◽  
Decision Support ◽  
Conservation Planning ◽  
Decision Support Tool ◽  
Well Being ◽  
Efficient Production ◽  
Systematic Conservation Planning ◽  
Support Tool ◽  
Working Landscapes ◽  
Trade Offs

Balancing human well-being with the maintenance of ecosystem services (ES) for future generations has become one of the central sustainability challenges of the 21st century. In working landscapes, past and ongoing production-centered objectives have resulted in the conversion of ecosystems into simple land-use types, which has also altered the provision of most ES. These inevitable trade-offs between the efficient production of individual provisioning ES and the maintenance of regulating and cultural ES call for the development of a land-use strategy based on the multifunctional use of the landscape. Due to the heterogeneous nature of working landscapes, both protection and restoration actions are needed to improve their multifunctionality. Systematic conservation planning (SCP) offers a decision support framework that can support landscape multifunctionality by indicating where ES management efforts should be implemented. We describe an approach that we developed to include ES provision protection and restoration objectives in SCP with the goal of providing ongoing benefits to society. We explain the general framework of this approach and discuss concepts, challenges, innovations, and prospects for the further development of a comprehensive decision support tool. We illustrate our approach with two case studies implemented in the pan-Canadian project ResNet.

scholarly journals Size selection of Nephrops norvegicus (L.) in commercial creel fishery in the Mediterranean Sea

2018 ◽  
Vol 200 ◽  
pp. 25-32 ◽  
Author(s):  
Jure Brčić ◽  
Bent Herrmann ◽  
Marina Mašanović ◽  
Mateja Baranović ◽  
Svjetlana Krstulović Šifner ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Nephrops Norvegicus ◽  
Size Selection ◽  
The Mediterranean ◽  
Selection Of

scholarly journals Biodiversity and Systematic Conservation Planning for the Twenty-first Century: A Philosophical Perspective

2015 ◽  
Vol 2 (1) ◽  
pp. 1-11 ◽  
Author(s):  
Sahotra Sarkar
Keyword(s):  
Habitat Use ◽  
Cultural Values ◽  
Biodiversity Conservation ◽  
Conservation Biology ◽  
Conservation Planning ◽  
First Century ◽  
Systematic Conservation Planning ◽  
Philosophical Perspective ◽  
Trade Offs ◽  
Surrogate Measures

The concept of biodiversity, its introduction in conservation biology, and its evolution in the framework of systematic conservation planning, are analyzed. Attempts to quantify biodiversity and to find surrogate measures for it are described. It is shown that biodiversity originated as and remains a fundamentally normative concept. However, while attempts to reduce biodiversity conservation to the achievement of sustainability are misplaced, natural values other than biodiversity also merit promotion. Multi-criteria analysis can be used to capture necessary trade-offs between these values when they are in conflict. Moreover, given the possibility of trade-off analysis, socio-cultural values can also be integrated into habitat use decisions along with natural values. Thus biodiversity conservation can be integrated into more general framework of habitat use planning.Conservation Science Vol.2(1) 2014: 1-11

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