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      Development of a conceptual framework for the management of biodiversity and ecosystem services in the Mexican Caribbean Translated title: Desenvolvimento de um roteiro conceitual para a gestão da biodiversidade e dos serviços ecossistêmicos no Caribe mexicano

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          Abstract

          Abstract: Coral reefs and mangroves support rich biodiversity and provide ecosystem services that range from food, recreational benefits and coastal protection services, among others. They are one of the most threatened ecosystems by urbanization processes. In this context, we developed a conceptual framework for the management of biodiversity and ecosystem services for these coastal environments. We based our workflow on two sections: “Information base” and “Governance” and use the Puerto Morelos Coastal region as a case study for coastal protection. Puerto Morelos is between two of the most touristic destinations of Mexico (Playa del Carmen and Cancun) that has experienced an increase of population in the past four decades resulting in an intensification of multiple threats to its ecosystems. We characterized the two ecosystems with a “Management Units” strategy. An expert-based ecosystem services matrix was also described in order to connect mangroves and coral reef ecosystems with the multiple beneficiaries. Then an ecosystem model (conceptual model and Global Biodiversity model) was developed. The conceptual model was useful in understanding the interplay processes between systems regarding the ecosystem service of “Coastal Protection”. The Global Biodiversity model evidenced the human-induced shifts in the biodiversity for mangrove and coral reefs ecosystems. Also, a projection for 2035 of “best” and “worst” scenarios was applied using GLOBIO3. A DPSIR conceptual framework was used to analyze environmental problems regarding ecosystem services maintenance. Finally, we evaluated a set of policies associated with these ecosystems that favor coastal protection integrity. This framework facilitates the identification of the most relevant processes and controls about the provision of coastal protection service. It can also be useful to better target management actions and as a tool to identify future management needs to tackle the challenges preventing more effective conservation of coastal environments.

          Translated abstract

          Resumo: Recifes de coral e manguezais possuem rica biodiversidade e fornecem serviços ecossistêmicos, tais como, alimento, recreação, proteção costeira, entre outros. Esses ecossistemas encontram-se entre os mais ameaçados pelos processos de urbanização. Nesse contexto, desenvolvemos um roteiro conceitual para a gestão da biodiversidade e dos serviços ecossistêmicos desses ambientes costeiros. Organizamos nossa sequência de passos de trabalho em duas seções: “Base de informações” e “Governança” e usamos a região costeira da cidade de Puerto Morelos (México) como um estudo de caso para analisar o serviço de proteção de costa. Puerto Morelos encontra-se entre dois dos destinos mais turísticos do México (Playa del Carmen e Cancún), e portanto sua população vem aumentando nas últimas quatro décadas, resultando na intensificação de múltiplas ameaças para os ecossistemas. Primeiramente, caracterizamos os dois ecossistemas identificando-os como “Unidades de Gestão”, detalhando seus principais componentes e processos. Através de uma “Matriz de serviços ecossistêmicos”, construída com base na opinião de especialistas, foram sistematizados os principais serviços ecossistêmicos prestados pelos manguezais e recifes de corais aos múltiplos beneficiários. Em seguida, foi desenvolvida uma modelagem do sistema (e ecossistemas) através de sua representação na forma de um modelo conceitual e um modelo numérico de Biodiversidade Global. O modelo conceitual facilitou a compreensão dos processos de interação entre sistemas em relação ao serviço “Proteção Costeira”. O modelo numérico evidenciou as mudanças induzidas pelo homem na biodiversidade dos ecossistemas de manguezal e recifes de coral. Além disso, uma projeção dos cenários “melhor” e “pior” foi desenvolvida para 2035 usando GLOBIO3. A Estrutura conceitual DPSIR foi aplicada para analisar problemas ambientais relacionados à manutenção dos serviços ecossistêmicos. Finalmente, avaliamos um conjunto de políticas públicas associadas a esses ecossistemas e que favorecem a integridade da proteção costeira. Portanto, o roteiro facilitou a identificação dos principais processos e controles para a provisão de um serviço ecossistêmico. Além disso, pode ser útil para direcionar melhor as ações de gerenciamento, bem como, uma ferramenta para identificar necessidades futuras de planejamento e gestão para enfrentar desafios que permitam uma conservação mais eficaz dos ambientes costeiros.

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          Mangrove Forests: One of the World's Threatened Major Tropical Environments

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            Coastal ecosystem-based management with nonlinear ecological functions and values.

            A common assumption is that ecosystem services respond linearly to changes in habitat size. This assumption leads frequently to an "all or none" choice of either preserving coastal habitats or converting them to human use. However, our survey of wave attenuation data from field studies of mangroves, salt marshes, seagrass beds, nearshore coral reefs, and sand dunes reveals that these relationships are rarely linear. By incorporating nonlinear wave attenuation in estimating coastal protection values of mangroves in Thailand, we show that the optimal land use option may instead be the integration of development and conservation consistent with ecosystem-based management goals. This result suggests that reconciling competing demands on coastal habitats should not always result in stark preservation-versus-conversion choices.
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              Eliciting expert knowledge in conservation science.

              Expert knowledge is used widely in the science and practice of conservation because of the complexity of problems, relative lack of data, and the imminent nature of many conservation decisions. Expert knowledge is substantive information on a particular topic that is not widely known by others. An expert is someone who holds this knowledge and who is often deferred to in its interpretation. We refer to predictions by experts of what may happen in a particular context as expert judgments. In general, an expert-elicitation approach consists of five steps: deciding how information will be used, determining what to elicit, designing the elicitation process, performing the elicitation, and translating the elicited information into quantitative statements that can be used in a model or directly to make decisions. This last step is known as encoding. Some of the considerations in eliciting expert knowledge include determining how to work with multiple experts and how to combine multiple judgments, minimizing bias in the elicited information, and verifying the accuracy of expert information. We highlight structured elicitation techniques that, if adopted, will improve the accuracy and information content of expert judgment and ensure uncertainty is captured accurately. We suggest four aspects of an expert elicitation exercise be examined to determine its comprehensiveness and effectiveness: study design and context, elicitation design, elicitation method, and elicitation output. Just as the reliability of empirical data depends on the rigor with which it was acquired so too does that of expert knowledge. ©2011 Australian Governmemt Conservation Biology©2011 Society for Conservation Biology.
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                Author and article information

                Journal
                bn
                Biota Neotropica
                Biota Neotrop.
                Instituto Virtual da Biodiversidade | BIOTA - FAPESP (Campinas, SP, Brazil )
                1676-0611
                2020
                : 20
                : suppl 1
                : e20190901
                Affiliations
                [2] Florianópolis Santa Catarina orgnameUniversidade Federal de Santa Catarina orgdiv1Departamento de Geociências orgdiv2Laboratório de Gestão Costeira Integrada Brazil
                [6] Diamante Entre Ríos orgnameCentro de Investigación Científica y de Transferencia Tecnológica a la Producción orgdiv1Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
                [10] Juiz de Fora Minas Gerais orgnameUniversidade Federal de Juiz de Fora orgdiv1Instituto de Ciências Biológicas orgdiv2Departamento de Biologia Brazil
                [9] Rio Grande Rio Grande do Sul orgnameUniversidade Federal do Rio Grande orgdiv1Instituto de Oceanografia Brazil
                [5] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Instituto Oceanográfico orgdiv2Laboratório de Biologia Recifal Brazil
                [7] Yerba Buena Tucumán orgnameUniversidad Nacional de Tucumán orgdiv1Instituto de Ecología Regional orgdiv2Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
                [3] Natal Rio Grande do Norte orgnameUniversidade Federal do Rio Grande do Norte orgdiv1Departamento de Ecologia Brazil
                [8] Florianópolis Santa Catarina orgnameUniversidade Federal de Santa Catarina orgdiv1Laboratório de Gestão Costeira Integrada orgdiv2Programa de Pós-Graduação em Oceanografia Brazil
                [4] Santos orgnameUniversidade Federal de São Paulo orgdiv1Instituto do Mar orgdiv2Laboratório de Ecologia e Gestão Costeira Brazil
                [1] Ciudad de México orgnameUniversidad Nacional Autónoma de México orgdiv1Posgrado en Ciencias del Mar y Limnología México
                Article
                S1676-06032020000500208 S1676-0603(20)02000000208
                10.1590/1676-0611-bn-2019-0901
                46f87072-2b28-4276-8117-93e2b85cca29

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 17 June 2020
                : 18 October 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 93, Pages: 0
                Product

                SciELO Brazil

                Self URI: Full text available only in PDF format (EN)
                Categories
                Article

                Serviços ecossistêmicos,Ecosystem services,Framework,Public policies,Future scenarios,Marine,Cenários futuros, Marinho, Políticas públicas,Roteiro

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