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Now showing items 81-90 of 94
Agricultural impacts on streams near Nitrate Vulnerable Zones: A case study in the Ebro basin, Northern Spain
(Public Library of Science, 2019-11-08)
Agricultural intensification during the last century has caused river degradation across Europe. From the wide range of stressors derived from agricultural activities that impact rivers, diffuse ...
Validated methodology for quantifying infestation levels of dreissenid mussels in environmental DNA (eDNA) samples
(Nature Research, 2016-12-14)
The zebra mussel (Dreissena polymorpha Pallas, 1771) and the quagga mussel (D. rostriformis Deshayes, 1838) are successful invasive bivalves with substantial ecological and economic impacts in freshwater ...
The Temporal Distribution of Cyclic Imines in Shellfish in the Bays of Fangar and Alfacs, Northwestern Mediterranean Region
(MDPI, 2023-12-23)
Spirolides (SPXs), gymnodimines (GYMs), and pinnatoxins (PnTXs) have been detected in shellfish from the northwestern Mediterranean coast of Spain. Several samples of bivalves were collected from Fangar ...
Environmental flows in the lower Ebro River and Delta: Current status and guidelines for a holistic approach
(MDPI, 2020-09-24)
Deltas are a particular type of estuarine system in which the dependence on river flow (water, sediments and nutrients) is very strong, especially in river-dominated deltas such as the Mediterranean ...
A Description of Biremis panamae sp. nov., a New Diatom Species from the Marine Littoral, with an Account of the Phylogenetic Position of Biremis D.G. Mann et E.J. Cox (Bacillariophyceae)
(Public Library of Science, 2014-12-10)
Here we present a formal description of Biremis panamae Barka, Witkowski et Weisenborn sp. nov., which was isolated from the marine littoral environment of the Pacific Ocean coast of Panama. The description ...
Ecohydraulics of river flow alterations and impacts on freshwater fish
(Asociación Ibérica de Limnologia, 2020-01-22)
Ecohydraulics of river flow alterations and impacts on freshwater fish The flow regime is a determinant of the ecological function and natural dynamics of a river system with a prominent effect on ...
The roses ocean and human health chair: A new way to engage the public in oceans and human health challenges
(MDPI, 2020-07-14)
Involving and engaging stakeholders is crucial for studying and managing the complex interactions between marine ecosystems and human health and wellbeing. The Oceans and Human Health Chair was founded ...
Evaluating the response of current biotic indices and functional metrics to natural and anthropogenic predictors in disconnected pools of temporary rivers
(Elsevier, 2024-07-15)
Temporary rivers, forming the majority of river networks worldwide, are key biodiversity hotspots. Despite their great value for maintaining biodiversity and ecosystem functioning, they are often neglected ...
Use of Mass Spectrometry to Determine the Diversity of Toxins Produced by Gambierdiscus and Fukuyoa Species from Balearic Islands and Crete (Mediterranean Sea) and the Canary Islands (Northeast Atlantic)
(MDPI, 2020-05-07)
Over the last decade, knowledge has significantly increased on the taxonomic identity and distribution of dinoflagellates of the genera Gambierdiscus and Fukuyoa. Additionally, a number of hitherto ...
Update on Methodologies Available for Ciguatoxin Determination: Perspectives to Confront the Onset of Ciguatera Fish Poisoning in Europe
(MDPI, 2010-06-14)
Ciguatera fish poisoning (CFP) occurs mainly when humans ingest finfish
contaminated with ciguatoxins (CTXs). The complexity and variability of such toxins have
made it difficult to develop reliable ...