Nowhere safe? Exploring the influence of urbanization across mainland and insular seashores in continental Portugal and the Azorean Archipelago
| Autor: | Nuno V. Álvaro, Nuno Mamede, Maria Inês Seabra, Ana I. Neto, Joana N. Fernandes, Eva Cacabelos, Francisco Arenas, Gustavo M. Martins, Raquel Gaião, Iacopo Bertocci, Martina Mulas |
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| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
Mainland China Geologic Sediments Intertidal zone Aquatic Science Oceanography 010603 evolutionary biology 01 natural sciences Invasive species Chlorophyta Urbanization Animals Ecosystem Seawater 14. Life underwater Spatio-temporal scales Azores Invertebrate Human impacts geography.geographical_feature_category Portugal Ecology Variance components 010604 marine biology & hydrobiology 15. Life on land Pollution Invertebrates Geography Algal and invertebrate assemblages Archipelago Mainland Rocky intertidal Environmental Monitoring |
| Zdroj: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação instacron:RCAAP |
| Popis: | Differences in the structure and functioning of intensively urbanized vs. less human-affected systems are reported, but such evidence is available for a much larger extent in terrestrial than in marine systems. We examined the hypotheses that (i) urbanization was associated to different patterns of variation of intertidal assemblages between urban and extra-urban environments; (ii) such patterns were consistent across mainland and insular systems, spatial scales from 10s cm to 100s km, and a three months period. Several trends emerged: (i) a more homogeneous distribution of most algal groups in the urban compared to the extra-urban condition and the opposite pattern of most invertebrates; (ii) smaller/larger variances of most organisms where these were, respectively, less/more abundant; (iii) largest variability of most response variables at small scale; (iv) no facilitation of invasive species by urbanization and larger cover of canopy-forming algae in the insular extra-urban condition. Present findings confirm the acknowledged notion that future management strategies will require to include representative assemblages and their relevant scales of variation associated to urbanization gradients on both the mainland and the islands. |
| Databáze: | OpenAIRE |
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