Marı́a Jesús Belzunce

ORCID: 0000-0002-6533-7638
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About
Contact & Profiles
Research Areas
  • Environmental Toxicology and Ecotoxicology
  • Heavy metals in environment
  • Water Quality and Pollution Assessment
  • Mercury impact and mitigation studies
  • Marine Biology and Ecology Research
  • Marine and coastal ecosystems
  • Toxic Organic Pollutants Impact
  • Marine Biology and Environmental Chemistry
  • Marine and coastal plant biology
  • Marine and environmental studies
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Electrochemical Analysis and Applications
  • Environmental Chemistry and Analysis
  • Geochemistry and Elemental Analysis
  • Geological Studies and Exploration
  • Analytical chemistry methods development
  • Marine and fisheries research
  • Pesticide Residue Analysis and Safety
  • Effects and risks of endocrine disrupting chemicals
  • Water Quality Monitoring and Analysis
  • Microplastics and Plastic Pollution
  • Environmental Monitoring and Data Management
  • Clay minerals and soil interactions
  • Heavy Metal Exposure and Toxicity
  • Aquatic and Environmental Studies

AZTI
2004-2024

Marine Technology Unit
2010-2023

Tecnalia
2008-2019

CSIRO Land and Water
2015

Universidad de Cádiz
2005

Cairn Research (United Kingdom)
2002

Consejo Superior de Investigaciones Científicas
1997-2001

Instituto de Investigacións Mariñas
1997-1999

Universidad Autónoma de Madrid
1998

Instituto de Catálisis y Petroleoquímica
1989-1998

This dataset provides 28 years of environmental monitoring data (1995–2023) from 51 stations in the estuaries and coastal areas Basque Country Bay Biscay. Covering 130 variables across water, sediments, biota, it includes detailed records phytoplankton, macroalgae, macroinvertebrates, fish. Compiled collaboration with Water Agency (URA), supports analysis responses to human pressures management interventions, identifying patterns quality improvement within a context natural variability....

10.3389/focsu.2024.1528837 article EN cc-by Frontiers in Ocean Sustainability 2025-03-03

The production and consumption of plastic products had been steadily increasing over the years, leading to more waste entering environment. Plastic pollution is ubiquitous comes in many types forms. To enhance or modify their properties, chemical additives are added items during manufacturing. presence leakage these additives, from managed mismanaged waste, into environment growing concern. In this study, we gauged, via an online questionnaire, expert knowledge on use, characteristics,...

10.1016/j.marpolbul.2023.115633 article EN cc-by Marine Pollution Bulletin 2023-10-19

The use of diffusive gradients in thin films (DGT) for predicting metal bioavailability was investigated by exposing the bivalve Tellina deltoidalis to an identical series metal-contaminated sediments deployed simultaneously field and laboratory. To understand differences exposure occurring between laboratory- field-based bioassays, we changes fluxes DGT probes concentrations partitioning porewaters overlying waters. DGT-metal (Cu, Pb, Zn) were lower waters most bioassays compared...

10.1021/acs.est.5b03655 article EN Environmental Science & Technology 2015-11-04

The European Water Framework Directive (WFD) establishes a framework for the protection of estuarine and coastal waters, with most important objective being to achieve 'good ecological status' all by 2015. Hence, Member States are establishing programmes monitoring water quality status, through assessment chemical elements. These can be three types: surveillance monitoring; operational (both undertaken on routine basis); investigative (carried out where reason any exceedance status is...

10.1039/b801269e article EN Journal of Environmental Monitoring 2008-01-01

Abstract The surface sediments of the San Simon inlet Ria de Vigo in Galitia, north‐west Spain contain heavy metal concentrations largely within range to be expected if these metals were derived from detrital inputs soils and weathered granitic rocks. Thus, Cu ranged 24–48 μg g−1 Cr 37–69 g−1, 0.1–0.5 Ni 12–29 Zn 71–151 sediment. For Pb, however, was 84–394 sediment which is well above level would as background, indicating likelihood anthropogenic inputs. Sequential fractionation indicates...

10.1080/10934529709376609 article EN Journal of Environmental Science and Health Part A Environmental Science and Engineering and Toxicology 1997-05-01

Marine regional Sediment Quality Guidelines (SQG) for polychlorinated biphenyls (PCB) and polycyclic aromatic hydrocarbons (PAH) from the Basque coast (SE Bay of Biscay) were determined, on basis sediment chemistry, toxicity benthic community disturbance analysis 756 estuarine coastal samples. The SQG calculated using a percentile approach (based upon effect non-effect data), non-normalised normalised concentration, by total organic carbon. However, normalisation carbon did not result in any...

10.1080/02757540.2014.917175 article EN Chemistry and Ecology 2014-05-21

This study investigates the relationships among Ni, Cd and Pb's different chemical forms determined by methodologies in coastal transitional waters across a broad geographical scale. Concentrations were measured spot samples through passive sampling (DGT). High variability of metal concentrations was found sites due to natural water fluctuations rather than given or method. Total dissolved lower EQS-WFD values. The labile fractions Pb, Anodic Stripping Voltammetry DGT-ICPMS, highly...

10.1016/j.marpolbul.2022.113715 article EN cc-by-nc-nd Marine Pollution Bulletin 2022-05-06

The current study evaluates the effect of seawater physico-chemical characteristics on relationship between concentration metals measured by Diffusive Gradients in Thin films (DGT) passive samplers (i.e., DGT-labile concentration) and concentrations discrete water samples. Accordingly, Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was used to measure total dissolved metal samples labile obtained DGT samplers; additionally, lead cadmium conditional fractions were determined Anodic...

10.1016/j.scitotenv.2021.147001 article EN cc-by The Science of The Total Environment 2021-04-09
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