Estuarine intertidal meiofauna and nematode communities as indicator of ecosystem's recovery following mitigation measures |
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| Institution: | 1. IMAR – Institute of Marine Research, Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3004-517 Coimbra, Portugal;2. Centro de Oceanografia, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal;3. Portuguese Hydrographic Institute, Rua das Trinas, 1249-093 Lisboa, Portugal;4. Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal;1. Bingen University of Applied Sciences, Berlin Str. 109, Bingen, 55411, Germany;2. Northern Forestry Centre, Canadian Forest Service, 5320 122nd Street Edmonton, AB, T6 H 3S5, Canada;3. Institute of Physiocochemical and Biological Problems of Soil Science, Russian Academy of Sciences, Institutskaya 2, Pushchino, Moscow oblast, 142290, Russia;4. Carl von Ossietzky Univesrsity of Oldenburg, Ammerländer Heerstraße 114-118, 26129, Oldenburg, Germany;1. Université de Toulouse, Labo Evolution & Diversité Biologique, UMR5174 EDB CNRS – Université Paul Sabatier-ENFA, F-31062 Toulouse, France;2. Faculty of Agriculture and Food Processing, University of Battambang, Raod 5, Battambang city, Cambodia;3. State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China;1. Littoral, Environnement et Sociétés (LIENSs) UMR 7266 CNRS – Université de La Rochelle, 2 Rue Olympe de Gouges, 17000 La Rochelle, France;2. New Jersey Audubon Society, 600 Route 47 North, Cape May Court House, NJ 08210, USA;1. Departament of Biological Sciences, Universidade Regional Integrada do Alto Uruguai e das Missões, 99709-910 Rio Grande do Sul, Brazil;2. MARE – Marine and Environmental Sciences Centre, Department of Earth Sciences, University of Coimbra, 3001-517 Coimbra, Portugal;3. MARE – Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3001-401 Coimbra, Portugal |
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| Abstract: | The Mondego estuary (Portugal) has been under environmental pressure since the early 1990s due to different anthropogenic stresses. The system has been studied following benthic communities’ features from an impacted situation until the recovery phase, focusing mostly on macrobenthos. Following the application of mitigation measures in the estuary, this study is focused on the variability of the intertidal meiobenthic and nematode communities in a system that has recovered after different anthropogenic stresses. While at the spatial level (among areas along the eutrophication gradient) no significant differences were observed regarding the structure and function of the nematode communities, at the seasonal level some differences stood out. These results broadly suggest that the system has recovered from the early situations of pressures being, to the best of our knowledge, the first attempt to investigate the variability of intertidal meiobenthic and nematode communities in the scope of a system's recovery along an estuarine gradient of eutrophication. Even if performed in a short timeline, this study provides a good baseline analysis of conditions, being important for future comparisons. |
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| Keywords: | Intertidal meiobenthos Free-living marine nematodes Ecological quality assessment Estuaries Ecosystem recovery |
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