Maximizing regional biodiversity requires a mosaic of protection levels

Loiseau, Nicolas; Thuiller, Wilfried; Stuart‐Smith, Rick D.; Devictor, Vincent; Edgar, Graham; Velez, Laure; Cinner, Joshua E.; Graham, Nicholas A. J.; Renaud, Julien; Hoey, Andrew S.; Manel, Stéphanie; Mouillot, David

doi:10.1371/journal.pbio.3001195

Cited by 19 publications

(18 citation statements)

References 58 publications

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“…We show that only 3 out of 11 biodiversity indicators respond positively and significantly to protection. We also confirm our initial hypothesis and recent findings (Boulanger et al, 2021; Loiseau et al, 2021) that fish species richness can be higher outside than inside marine reserves, this pattern being driven by the diversity of cryptobenthic fishes notoriously missed by classical assessments (Brandl et al, 2018). Because of their high diversity, high fecundity and rapid turnover, we can assume that cryptobenthic communities can re‐shuffle more rapidly than their demersal and pelagic counterparts in response to predation and human pressure.…”

Section: Discussionsupporting

confidence: 91%

Benchmarking eleven biodiversity indicators based on environmental DNA surveys: More diverse functional traits and evolutionary lineages inside marine reserves

Dalongeville

Boulanger

Marques

et al. 2022

Journal of Applied Ecology

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1. To mitigate the ongoing threats to coastal ecosystems, and the biodiversity erosion they are causing, marine-protected areas (MPAs) have emerged as powerful and widespread conservation tools. Strictly no-take MPAs, also called marine reserves, undeniably promote fish biomass and density, but it remains unclear how biodiversity responds to protection. Identifying which facets of biodiversity respond to protection is critical for the management of MPAs and the development of relevant conservation strategies towards the achievement of biodiversity targets.2. We collected 99 environmental DNA (eDNA) samples inside and outside nine marine reserves in the Mediterranean Sea to assess the effect of protection on 11 biodiversity indicators based on fish traits, phylogeny and vulnerability to fishing. We controlled for the effect of environmental heterogeneity (habitat, bathymetry, productivity, temperature and accessibility) using a principal component analysis, and for spatial autocorrelation due to potential unmeasured factors.3. We found a positive and significant effect of protection on only 3 out of 11 indicators: functional and phylogenic diversity but also the ratio between demersopelagic and benthic species richness. Rather, total fish richness responded significantly and negatively to protection. We did not detect any significant effect of protection on threatened and elasmobranch species richness, probably due to their large home range compared to the size of Mediterranean marine reserves.

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Section: Discussionsupporting

confidence: 91%

Benchmarking eleven biodiversity indicators based on environmental DNA surveys: More diverse functional traits and evolutionary lineages inside marine reserves

Dalongeville

Boulanger

Marques

et al. 2022

Journal of Applied Ecology

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“…In contrast, the purpose of MPAs is primarily ecological through positive impacts on species biomass, density, and size. The combination of both management settings at a local scale might make no-take areas more acceptable for local societies and maximize diversity at the regional level 81,82,93 .…”

Section: Discussionmentioning

confidence: 99%

Towards a productivity-based management of tropical reefs in the Anthropocene

Seguin

Mouillot

Cinner

et al. 2022

Preprint

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Tropical reefs provide livelihood and food security to millions of people. However, tropical reefs are entering new configurations requiring management strategies to incorporate process-oriented measures such as biomass production to determine their dynamics and resilience. We proposed a new framework, comprising three management strategies based on fish standing biomass and productivity which were calculated on 2,027 reef sites over 39 countries. We found that 3.5% of the sites have low fish biomass and productivity, where alternative fisheries like seaweed and bivalve aquaculture are recommended. We identified 24% of high productivity sites where we suggest adaptive management: establishment of partially protected areas sustaining local fisheries when needed, or full protection when possible given their capacity for recovery. For the 5% high biomass sites, we urgently need full protection to maintain high reproductive capacity through large individuals. Our framework can thus guide management strategies by incorporating both static and process-oriented measures, tailoring each strategy to local priorities based on biodiversity and socio-economic objectives.

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“…In polygons of smaller areas there are discrepancies between the real information and the information presented in the mapping. One of the reasons that lead to this deviation is found in the large areas represented by data from global platforms, which makes detailing into smaller areas unfeasible and consequently impairs the mapping of anthromes (De Keersmaeker et al, 2014;Loiseau et al, 2021;Pedersen et al, 2021;Saah et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Even, the literature points out that the uncertainty of geospatial data applied in the cluster analysis must be addressed (Costa, 2017;Freire & Castro, 2014). Therefore, the tools to guarantee the validity of internal results (ISO, 2017) help to identify the treatments performed, inferring the e ciency of these treatments, and pointing to mechanisms that help to guarantee the quality of the information to be used in the cluster analysis (Blundo et al, 2021;Loiseau et al, 2021;van Wilgen, 2021). In addition, these tools help identify reliability mechanisms as imperative to increase the quality of mapped information (Brewer et al, 2019;Mahmoud et al, 2021;Sené et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Metrology applied to Human Ecology: critical analysis of geospatial data for regionalization of Brazilian Anthromes

Gobbo

Araujo

Salema

2021

Preprint

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Establishing territorial planning tools that meet the precepts of sustainable development is always challenging. In this sense, anthromes emerge as a differential mechanism. Its structure considers population and environmental parameters, which optimizes the recognition of areas of interest in the territory. However, it is necessary to consider regional aspects, approaching the input data in the cluster analysis. Assuming this, data on population density and land use and cover of National Spatial Data Infrastructure (INDE – Brazil) were analyzed as a source for regionalization. Therefore, an analytical system based on the ISO/IEC 17025 standard was proposed. Globally, this standard is used to guarantee the quality of results through the metrological pillars. Thus, the validation parameters were used to assess the adequacy of the methods to the intended uses and the ability to bring the data closer to the local reality. The tools to guarantee the validity of internal results guided the verification of the quality of treatments performed on the results generated by the methods. The results show that the methods meet their respective scopes, framing the geospatial information investigated in the acceptance profile required for the regionalization of Brazilian anthromes. Furthermore, they bring the information closer to the local reality and characterize important natural features. In this way, the quality of the geospatial data indexed in the INDE to be applied in the cluster analysis was guaranteed. Furthermore, a resource that collaborates in the critical analysis of the results and in the evaluation of environmental and anthropic methods was presented.

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Maximizing regional biodiversity requires a mosaic of protection levels

Cited by 19 publications

References 58 publications

Benchmarking eleven biodiversity indicators based on environmental DNA surveys: More diverse functional traits and evolutionary lineages inside marine reserves

Benchmarking eleven biodiversity indicators based on environmental DNA surveys: More diverse functional traits and evolutionary lineages inside marine reserves

Towards a productivity-based management of tropical reefs in the Anthropocene

Metrology applied to Human Ecology: critical analysis of geospatial data for regionalization of Brazilian Anthromes

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