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Title of Journal: Estuaries and Coasts

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Abbravation: Estuaries and Coasts

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Springer US

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1559-2731

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Influence of Environmental Variables and Fishing P

Authors: Baptista Vânia Hadayet Ullah Célia M Teixeira Pedro Range Karim Erzini Francisco Leitão
Publish Date: 2013/06/20
Volume: 37, Issue: 1, Pages: 191-205
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Abstract

Climate changes affect marine ecosystems and the survival growth reproduction and distribution of species including those targeted by commercial fisheries The impact of climate change has been reported for many fish species but studies focusing on the effects of climate on bivalve resources are lacking In Portugal the harvesting of bivalves is an old and artisanal activity of special importance along the Algarve coast South of Portugal This study aims to evaluate the influence of climatic environmental and fisheries factors on the landings of intertidal coastal lagoon and coastal bivalve species subtidal nearshore species The environmental and fisheries parameters considered to affect the landings of bivalves in the eastern Algarve were fishing effort number of fishing events sea surface temperature North Atlantic Oscillation NAO index upwelling index wind magnitude and direction and river discharges Analysis of time series data using min/max autocorrelation factor analysis and dynamic factor analysis showed that for most species fishing effort was positively related with landings per unit effort trends in the following year Lagoon bivalve species Cerastoderma edule and Ruditapes decussatus responded to different environmental variables than the coastal bivalve species Chamelea gallina Pharus legumen Donax spp and Spisula solida Upwelling index had a significant effect on the lagoon bivalves while the NAO index wind magnitude and direction and river discharges only affected the coastal species This study highlighted the need to adapt fishing effort regimes while considering the background effects of environmental variability in order to improve fisheries managementWe are very grateful to the DGPA bureau namely Carlos Moura for providing fisheries data Some of the data regarding hydrology parameters were provided by ARHAlgarve F Leitão SFRH/BPD/63935/2009 CM Teixeira SFRH/BPD/62986/2009 and P Range SFRH/BPD/69959/2010 were supported by PostDoctoral grants from Fundacão para a Ciência e Tecnologia

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Other Papers In This Journal:
  1. Activity, Abundance, and Diversity of Nitrifying Archaea and Denitrifying Bacteria in Sediments of a Subtropical Estuary: Bahía del Tóbari, Mexico
  2. Watershed Controls on the Geomorphology of Small Coastal Lagoons in an Active Tectonic Environment
  3. Estimates of Natural Salinity and Hydrology in a Subtropical Estuarine Ecosystem: Implications for Greater Everglades Restoration
  4. Recruitment of Estuarine-Dependent Nekton Through a New Tidal Inlet: the Opening of Packery Channel in Corpus Christi, TX, USA
  5. Nutrients and Abiotic Stress Interact to Control Ergot Plant Disease in a SW Atlantic Salt Marsh
  6. Trophic Consistency of Benthic Invertebrates Among Diversified Vegetational Habitats in a Temperate Coastal Wetland of Korea as Determined by Stable Isotopes
  7. The Legacy of Agricultural Reclamation on Channel and Pool Networks of Bay of Fundy Salt Marshes
  8. Nursery Habitat Shifts in an Estuarine Ecosystem : Patterns of Use by Sympatric Catfish Species
  9. Organic Matter Sources Supporting Lower Food Web Production in the Tidal Freshwater Portion of the York River Estuary, Virginia
  10. Nematode Responses to the Invasion of Exotic Spartina in Mangrove Wetlands in Southern China
  11. Impacts of SW Monsoon on Phytoplankton Community Structure Along the Western Coastal BOB: an HPLC Approach
  12. Deterioration of Sediment Quality in Seagrass Meadows ( Posidonia oceanica ) Invaded by Macroalgae ( Caulerpa sp.)
  13. Identification of Winter Flounder ( Pseudopleuronectes americanus ) Estuarine Spawning Habitat and Factors Influencing Egg and Larval Distributions
  14. A Model Study of the Estuarine Turbidity Maximum along the Main Channel of the Upper Chesapeake Bay
  15. Temperature Dependence of Oxygen Dynamics and Community Metabolism in a Shallow Mediterranean Macroalgal Meadow ( Caulerpa prolifera )
  16. Subtidal Eelgrass Declines in the Great Bay Estuary, New Hampshire and Maine, USA
  17. Response of an Arctic Sediment Nitrogen Cycling Community to Increased CO 2
  18. The American Crocodile in Biscayne Bay, Florida
  19. Partial Migration Across Populations of White Perch ( Morone americana ): A Flexible Life History Strategy in a Variable Estuarine Environment
  20. A Paleoecological History of the Late Precolonial and Postcolonial Mesohaline Chesapeake Bay Food Web
  21. Satellite Estimates of Wide-Range Suspended Sediment Concentrations in Changjiang (Yangtze) Estuary Using MERIS Data
  22. Environmental Risk Evaluation System—an Approach to Ranking Risk of Ocean Energy Development on Coastal and Estuarine Environments
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