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Registros recuperados: 31
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Achieving Success under Pressure in the Conservation of Intensely Used Coastal Areas Ecology and Society
Micheli, Fiorenza; Hopkins Marine Station, Stanford University, California, USA; micheli@stanford.edu; Niccolini, Federico; Department of Economics, University of Macerata, Macerata, Italy; fniccolini@unimc.it.
Understanding how biological conservation and socioeconomic development can be harmonized in social-ecological systems is at the core of sustainability science. We present the case of a Mediterranean marine protected area (MPA), the Tavolara-Punta Coda Cavallo MPA, that exhibits high ecological performance under intense pressure from fishing, tourism, and coastal development. This case study illustrates how socioeconomic development and significant conservation benefits can coexist, even in a challenging context. Based on this case study, we present a framework for what elements and interactions have determined the high ecological performance of this MPA, and highlight the key leverages that have enabled ecosystem recovery. In particular, the most critical...
Tipo: Peer-Reviewed Insight Palavras-chave: Conservation performance; Marine protected areas; Mediterranean; Social-ecological systems; Tavolara-Punta Coda Cavallo MPA; Visionary Organization.
Ano: 2013
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Bioeconomic analysis of protected area use in fisheries management AgEcon
Greenville, Jared W.; MacAulay, T. Gordon.
Protected areas in fishery management have been suggested to hedge management failures and variation in harvests. In this paper, a stochastic bioeconomic model of a two-species fishery in the Manning Bioregion is used to test the performance of protected areas as a management tool in a fishery. The establishment of a protected area is analysed under the assumption of heterogenous environments that are linked via density-dependent or sink-source stock dispersal relationships. The sensitivity of the results to different degrees of management is also explored. The model is applied to the Ocean Prawn Trawl, and Ocean Trap and Line fisheries within Manning Bioregion in New South Wales, Australia. The focus of the study is placed on the biological and...
Tipo: Article Palavras-chave: Bioeconomics; Fisheries management; Marine protected areas; Resource /Energy Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/118521
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Comanagement of clams in Brazil: a framework to advance comparison Ecology and Society
Rocha, Ligia M.; Federal University of Rio Grande do Norte, Graduate Program in Ecology; ligiarocha1@gmail.com; Pinkerton, Evelyn; Simon Fraser University, School of Resource and Environmental Management; epinkert@sfu.ca.
Tipo: Peer-Reviewed Reports Palavras-chave: Artisanal fisheries; Clams; Comanagement; Fisherwomen; Marine protected areas; Shell fisheries.
Ano: 2015
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Connecting MPAs - eight challenges for science and management ArchiMer
Lagabrielle, Erwann; Crochelet, Estelle; Andrello, Marco; Schill, Steven R.; Arnaud-haond, Sophie; Alloncle, Neil; Ponge, Benjamin.
Connectivity is a crucial process underpinning the persistence, recovery, and productivity of marine ecosystems. The Convention on Biological Diversity, through the Aichi Target 11, has set the ambitious objective of implementing a ‘well connected system of protected areas’ by 2020. This paper identifies eight challenges toward the integration of connectivity into MPA network management and planning. A summary table lists the main recommendations in terms of method, tool, advice, or action to address each of these challenges. Authors belong to a science–management continuum including researchers, international NGO officers, and national MPA agency members. Three knowledge challenges are addressed: selecting and integrating connectivity measurement metrics;...
Tipo: Text Palavras-chave: Ocean; Coastal; Conservation evaluation; Marine protected areas; Spatial modelling; Fishing.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00226/33742/33891.pdf
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Controversies and consensus on the lionfish invasion in the Western Atlantic Ocean Ecology and Society
This study investigates how the lionfish (Pterois sp.) invasion of the Western Atlantic Ocean has been socially constructed by natural scientists, the media, and stakeholders associated with various marine protected areas in the Caribbean. By examining the use of data and metaphors by these actors, I identify where invasion discourses converge and diverge. Although consensus exists regarding the non-nativeness, introduction vector, and successful establishment of lionfish throughout the region, I also identify uncertainty surrounding lionfish impact and controversies regarding lionfish management and control. The dominant discourse frames lionfish as a threat and control efforts as a war to keep the enemy at bay, and promotes lionfish hunting and...
Tipo: Peer-Reviewed Reports Palavras-chave: Data; Discourse analysis; Invasive lionfish; Marine protected areas; Metaphors.
Ano: 2015
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Des modèles et des indicateurs pour évaluer la performance des Aires Marines Protégées pour la gestion des zones côtières. Application à la Réserve Naturelle des Bouches de Bonifacio ArchiMer
Rocklin, Delphine.
These last decades have been characterized by a great development of fishing techniques, contributing to the overexploitation of numerous marine fish stocks. In order to limit this collapse and to restore impacted communities, the implementation of management measures was necessary. Marine Protected Areas (MPAs), initially developed to protect remarkable habitats and associated biodiversity, are more and more used as a tool for spatial management of fishing activities, by adult export and/or larvae migrations from protected zones to surrounding fisheries. The aim of this PhD was to use indicators and predictive models for evaluating the impact of the Bonifacio Strait Natural Reserve (Corsica) implementation on fish communities and the benefits of such...
Tipo: Text Palavras-chave: Aires marines protégées; Pêche artisanale; Gestion des pêcheries; Ressource; Modélisation dynamique; Indicateurs; Gestion des zones côtières; Évaluation de scénarios; Conservation des écosystèmes; Marine protected areas; Artisanal fisheries; Fishing management; Resource; Dynamic model; Indicators; Coastal areas management; Scenarios evaluation; Ecosystems conservation.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00285/39593/38085.pdf
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Evasive mating behaviour by female nurse sharks, Ginglymostoma cirratum (Bonnaterre, 1788), in an equatorial insular breeding ground Neotropical Ichthyology
Afonso,André S.; Cantareli,Carlos V.; Levy,Rafael P.; Veras,Leonardo B..
ABSTRACT Mating events and aggregations of vulnerable nurse sharks Ginglymostoma cirratum were recorded in the insular protected area of Fernando de Noronha (FEN), Brazil, between April and August 2015. Female sharks were observed clustering in groups of up to 14 individuals in shallow water adjacent to the shore. Several evasive mating behaviours in the presence of males were noticed, including shoreward movement, positioning ventral side up at the sea surface with emerged pectoral and pelvic fins, body rolling and caudal fin thrashing. Fresh bite marks indicative of male courtship and coupling attempts were visible in female's pectoral and caudal fins. Altogether, the observed behaviours match previous reports of non-cooperative female nurse sharks...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bite marks; Copulation; Fernando de Noronha; Marine protected areas; Reproductive aggregations.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252016000400207
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Fish, fishers, seals and tourists: Economic consequences of creating a marine reserve in a multi-species, multi-activity context ArchiMer
Boncoeur, Jean; Alban, Frederique; Guyader, Olivier; Thebaud, Olivier.
This paper investigates some economic consequences of creating a marine reserve on both fishing and ecotourism, when the range of controllability of fishing effort is limited and the impact of the reserve on ecosystem is considered. The issue is illustrated by the example of creating a no-take zone in part of a region where fishing is managed through a limited entry license system, and which is inhabited by two interacting stocks: a stock of prey (fish) and a stock of predators (seals). While the former is targeted by commercial fishing, the latter is not subject to harvest but is a potential basis for a commercial non-extractive activity (seal watching). Analysis is conducted with the help of a bioeconomic model combining the features of marine reserve...
Tipo: Text Palavras-chave: Marine protected areas; Multispecies interactions; Ecotourism; Bioeconomic modeling.
Ano: 2002 URL: https://archimer.ifremer.fr/doc/00244/35506/34010.pdf
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Fishing restrictions and remoteness deliver conservation outcomes for Indonesia's coral reef fisheries ArchiMer
Campbell, Stuart J.; Darling, Emily S.; Pardede, Shinta; Ahmadia, Gabby; Mangubhai, Sangeeta; Amkieltiela,; Estradivari,; Maire, Eva.
Coral reef fisheries depend on reef fish biomass to support ecosystem functioning and sustainable fisheries. Here, we evaluated coral reefs across 4,000 km of the Indonesian archipelago to reveal a large gradient of biomass, from <100 kg/ha to >17,000 kg/ha. Trophic pyramids characterized by planktivore dominance emerged at high biomass, suggesting the importance of pelagic pathways for reef productivity. Total biomass and the biomass of most trophic groups were higher within gear restricted and no‐take management, but the greatest biomass was found on unmanaged remote reefs. Within marine protected areas (MPAs), 41.6% and 43.6% of gear restricted and no‐take zones, respectively, met a global biomass target of 500 kg/ha, compared with 71.8% of remote...
Tipo: Text Palavras-chave: Data‐poor fisheries; Food webs; Gear restrictions; Marine protected areas; Small‐scale fisheries; South East Asia.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00607/71947/70645.pdf
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Guide to the Ex-Ante Socio-Economic Evaluation of Marine Protected Areas AgEcon
Grafton, R. Quentin; Akter, Sonia; Kompas, Tom.
Marine protected areas (MPA) potentially offer a wide range of use and non-use benefits. These include critical habitat protection, conservation of marine biodiversity, recovery of threatened and endangered marine species, and increased biomass of targeted marine species. To assess whether such benefits exceed the potential costs, we provide the first-ever comprehensive ex-ante, socio-economic guide to MPA evaluation. Our framework shows how to quantify four key values of MPAs: consumptive, non-consumptive, indirect, and non-use values. The framework also shows how to use decision tools to determine the desirability of establishing MPAs. Overall, the guide offers the promise of improved information and better decision making for marine protected areas.
Tipo: Report Palavras-chave: Marine protected areas; Use value; Non-use value; Benefit-cost analysis.; Environmental Economics and Policy.
Ano: 2009 URL: http://purl.umn.edu/94827
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Herbivorous fishes and the potential of Caribbean marine reserves to preserve coral reef ecosystems ArchiMer
Kopp, Dorothee; Bouchon-navaro, Yolande; Louis, Max; Mouillot, David; Bouchon, Claude.
1. The development of macroalgae to the detriment of corals is now one of the major threats to coral reefs. Herbivorous fishes are partly responsible for algal regulation on coral reefs and their overexploitation favours the shift from scleractinian coral-dominated systems towards macroalgae-dominated systems. 2. Marine protected areas (MPAs) that have been established worldwide may benefit coral reefs through the maintenance of high densities of herbivorous fishes which regulate algal growth. 3. The paper assesses whether small MPAs in the Caribbean are able to enhance herbivorous fish stock and by controlling macroalgae help to maintain reef ecosystems. A visual census using band-transects was undertaken around Guadeloupe island where marine reserves...
Tipo: Text Palavras-chave: Marine protected areas; Canonical analysis of principal coordinates; Sex change; Coral reefs; Phase shifts; Caribbean.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00011/12214/9551.pdf
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Impacts of data quality on the setting of conservation planning targets using the species-area relationship ArchiMer
Metcalfe, Kristian; Delavenne, Juliette; Garcia, Clement; Foveau, Aurelie; Dauvin, Jean-claude; Coggan, Roger; Vaz, Sandrine; Harrop, Stuart R.; Smith, Robert J..
Aim : The speciesarea relationship (SAR) is increasingly being used to set conservation targets for habitat types when designing protected area networks. This approach is transparent and scientifically defensible, but there has been little research on how it is affected by data quality and quantity. Location : English Channel. Methods : We used a macrobenthic dataset containing 1314 sampling points and assigned each point to its associated habitat type. We then used the SAR-based approach and tested whether this was influenced by changes in (i) the number of sampling points used to generate estimates of total species richness for each habitat type; (ii) the nonparametric estimator used to calculate species richness; and (iii) the level of habitat...
Tipo: Text Palavras-chave: English Channel; Habitat targets; Marine Conservation Zones; Marine protected areas; Species-area relationship; Systematic conservation planning.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00116/22745/20689.pdf
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Influence of settings management and protection status on recreational uses and pressures in marine protected areas ArchiMer
Gonson, Charles; Pelletier, Dominique; Alban, Frederique; Giraud-carrier, Charlotte; Ferraris, Jocelyne.
Coastal populations and tourism are growing worldwide. Consequently outdoor recreational activity is increasing and diversifying. While Marine Protected Areas (MPAs) are valuable for mitigating anthropogenic impacts, recreational uses are rarely monitored and studied, resulting in a lack of knowledge on users' practices, motivation and impacts. Based on boat counts and interview data collected in New Caledonia, we i) explored factors affecting user practices and motivations, ii) constructed fine-scale pressure indices covering activities and associated behaviors, and iii) assessed the relationships between user practices and site selection. User practices were found to depend on protection status, boat type and user characteristics. Pressure indices were...
Tipo: Text Palavras-chave: Marine protected areas; Recreational users; Pressure assessment; Motivation; Recreational opportunity spectrum; New-Caledonia.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00387/49808/50438.pdf
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Integrating societal perspectives and values for improved stewardship of a coastal ecosystem engineer Ecology and Society
Scyphers, Steven B; University of South Alabama; Dauphin Island Sea Lab; Northeastern University; s.scyphers@neu.edu; Picou, J Steven; Coastal Resource and Resiliency Center University of South Alabama; spicou@southalabama.edu; Brumbaugh, Robert D; The Nature Conservancy; rbrumbaugh@tnc.org; Powers, Sean P; University of South Alabama; Dauphin Island Sea Lab; spowers@disl.org.
Oyster reefs provide coastal societies with a vast array of ecosystem services, but are also destructively harvested as an economically and culturally important fishery resource, exemplifying a complex social-ecological system (SES). Historically, societal demand for oysters has led to destructive and unsustainable levels of harvest, which coupled with multiple other stressors has placed oyster reefs among the most globally imperiled coastal habitats. However, more recent studies have demonstrated that large-scale restoration is possible and that healthy oyster populations can be sustained with effective governance and stewardship. However, both of these require significant societal support or financial investment. In our study, we explored relationships...
Tipo: Peer-Reviewed Reports Palavras-chave: Common pool resource; Crassostrea virginica; Ecosystem-based management; Ecosystem services; Marine protected areas; Restoration; Spawning sanctuaries.
Ano: 2014
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Linking basin-scale connectivity, oceanography and population dynamics for the conservation and management of marine ecosystems ArchiMer
Dubois, Melodie; Rossi, Vincent; Ser-giacomi, Enrico; Arnaud-haond, Sophie; Lopez, Cristobal; Hernandez-garcia, Emilio.
Aim Assessing the spatial structure and dynamics of marine populations is still a major challenge in ecology. The need to manage marine resources from ecosystem and large-scale perspectives is recognized, but our partial understanding of oceanic connectivity limits the implementation of globally pertinent conservation planning. Based on a biophysical model for the entire Mediterranean Sea, this study takes an ecosystem approach to connectivity and provides a systematic characterization of broad-scale larval dispersal patterns. It builds on our knowledge of population dynamics and discusses the ecological and management implications. Location The semi-enclosed Mediterranean Sea and its marine ecosystems are used as a case study to investigate broad-scale...
Tipo: Text Palavras-chave: Larval dispersal; Local retention; Marine connectivity; Marine ecosystems; Marine protected areas; Mediterranean Sea; Population dynamics; Population genetics; Self-recruitment; Source; Sink dynamics.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00311/42201/41534.pdf
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Marine protected areas and artificial reefs: A review of the interactions between management and scientific studies ArchiMer
Claudet, Joachim; Pelletier, Dominique.
Inshore marine areas host key habitats for the biological cycle of many marine populations, but are subject to strong anthropogenic pressure. Uses of inshore areas are multiple and often give rise to conflicting interests. In this context. marine protected areas (MPAs) and artificial reefs (ARs) are increasingly regarded as interesting management measures, in that they contribute to ecosystem conservation, fisheries sustainability, and because they can be helpful in zoning coastal areas in order to reduce conflicts between users. Beyond these expected benefits, it is important to appraise whether MPAs and ARs meet managers' objectives. This review focuses on the interaction between ecological sciences and management in the purpose of establishing or...
Tipo: Text Palavras-chave: Monitoring; Management actions objectives; Management; Impact assessment; Fish; Artificial reefs; Marine protected areas.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-397.pdf
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Marine Protected Areas as Fishery Policy: A Discussion of Potential Costs and Benefits AgEcon
Sanchirico, James N..
Marine protected areas (MPAs) are currently receiving considerable attention as a "new" tool to control overexploitation. Many advocates argue that MPAs will provide a plethora of benefits ranging from improved habitat to higher fish stocks with little costs. Fishermen argue, not surprisingly, that the costs resulting from closing areas could be significant and need to be considered in the debate. In this paper, a set of biological, industry, and management hypotheses drawn from the literature analyzing the effects of MPAs are discussed. In doing so, a framework is presented that can be used to assess the expected returns to society from investing in MPAs.
Tipo: Working or Discussion Paper Palavras-chave: Renewable resources; Fisheries; Marine protected areas; No-take zones; Resource /Energy Economics and Policy; Q22; Q28.
Ano: 2000 URL: http://purl.umn.edu/10728
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Marine Protected Areas: Economic and Social Implications AgEcon
Sanchirico, James N.; Cochran, Kathryn A.; Emerson, Peter M..
This paper is a guide for citizens, scientists, resource managers, and policy makers, who are interested in understanding the economic and social value of marine protected areas (MPAs). We discuss the potential benefits and costs associated with MPAs as a means of illustrating the economic and social tradeoffs inherent in implementation decisions. In general, the effectiveness of a protected area depends on a complex set of interactions between biological, economic, and institutional factors. While MPAs might provide protection for critical habitats and cultural heritage sites and, in some cases, conserve biodiversity, as a tool to enhance fishery management their impact is less certain. The uncertainty stems from the fact that MPAs only treat the symptoms...
Tipo: Working or Discussion Paper Palavras-chave: Marine protected areas; Marine reserves; Fisheries; Resource /Energy Economics and Policy; Q0; Q2.
Ano: 2002 URL: http://purl.umn.edu/10795
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Marine Protected Areas in Fisheries Management AgEcon
Greenville, Jared W.; MacAulay, T. Gordon.
The use of protected areas as a fishery management tool has been suggested as a hedge against management failures and variation in harvests. A stochastic bioeconomic model of a two-species fishery will be used to test the performance of protected areas as a management tool in a fishery with heterogenous environments. Protected areas are analysed under density-dependent and sink-source dispersal relationships between environments within the fishery. The model is applied to Manning Bioregion in NSW. Protected area performance as a tool for fisheries will be analysed given the existing management arrangement. The focus of the study is placed on the biological and economic characteristics that yield benefits to the fishery.
Tipo: Conference Paper or Presentation Palavras-chave: Fisheries; Fisheries management; Bioeconomics; Marine protected areas; Resource /Energy Economics and Policy; Q2; Q22; Q28; Q57.
Ano: 2006 URL: http://purl.umn.edu/25532
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Monitoring and Assessment guidelines for Marine Litter in Mediterranean MPAs ArchiMer
Galgani, Francois; Deidun, Alan; Liubartseva, Svitlana; Gauci, Adam; Doronzo, Bartholomeo; Brandini, Carlo; Gerigny, Olivia.
As part of the AMARE project, the main purpose of this report is to provide advice and practical guidance, for establishing programmes to monitor and assess the distribution and abundance of marine litter in MPAs. The present document build on relevant existing monitoring and assessment practices in the Mediterranean, such as the existing monitoring practices in UNEP/MAP and within the Marine Strategy Framework Directive. The proposed strategy (defining the sampling scheme, the environmental compartment to monitor and the protocols to be used) is also based on recommendations of the UN GESAMP report on monitoring marine litter (GESAMP, 2019). In addition, it is based on the experience of ongoing monitoring and assessment activities under various scientific...
Tipo: Text Palavras-chave: Marine Litter; Mediterranean Sea; Marine protected areas; Monitoring.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00487/59840/62987.pdf
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