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PM/PM ratios in southernmost Brazilian cities and its relation with economic contexts and meteorological factors.
Environ Monit Assess
January 2025
Programa de Pós Graduação Em Ciências Ambientais, Centro de Engenharias, Universidade Federal de Pelotas, Rua Benjamin Constant, 989, Porto, Pelotas, RS, 96010020, Brazil.
The PM/PM ratio is a metric used to distinguish the primary sources of particulate matter (PM) within a given environment. Higher ratios often indicate significant contributions from anthropogenic sources, while smaller ratios suggest a substantial influence from natural origins. However, various contextual factors can influence this ratio.
View Article and Find Full Text PDFAssessment of Organic Matter Influence on the Ecological Integrity of Poyang Lake Using O/E Model and Chemical-Biological Indices over the Past Two Decades.
Toxics
December 2024
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
Ecological integrity, encompassing physical, chemical, and biological aspects, is crucial for sustaining ecosystem service functions and stability. As the largest freshwater lake in China, the ecological integrity of Poyang Lake has attracted much attention due to the over-exploitation of its water resources in recent years. In this study, several biological and water quality surveys on water ecological conditions were carried out at 11 sampling points of Poyang Lake from 1998 to 2022, and the ecological health of Poyang Lake was evaluated by use of the O/E (Observation/Expectation) model and the chemical-biological index method according to the status of the water quality and the structure of the benthic fauna in the four seasons, respectively.
View Article and Find Full Text PDFFusarium Head Blight in Argentina, a Profile of Produced Mycotoxins and a Biocontrol Strategy in Barley During Micro-Malting Process.
Toxins (Basel)
January 2025
Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto (UNRC), Ruta Nacional 36 Km 601, Río Cuarto 5800, Argentina.
Barley ( L.) is the second winter crop in Argentina. In the national market, grains are mainly destined to produce malt for beer manufacture.
View Article and Find Full Text PDFBiochemical Composition and Seasonal Variations of the Madagascar Algae (, Rhodophyta).
Mar Drugs
January 2025
Laboratoire de Biotechnologie et Chimie Marines (LBCM), EMR CNRS 6076, IUEM, Université Bretagne Sud, Campus Tohannic, 56000 Vannes, France.
Although the density and diversity of seaweeds in Madagascar is particularly high, these resources are underexploited and they are not part of the local population's eating habits. No study has been carried out on the nutritional properties and seasonal variation of species harvested in Madagascar. In this study, was harvested monthly over two years (2021 and 2022) on the northeast coast of Madagascar (Sainte Marie Island).
View Article and Find Full Text PDFThe INGENIOUS project: towards understanding air pollution in homes.
Environ Sci Process Impacts
January 2025
Centre for Health Data Science, Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, UK.
This paper provides an overview of the INGENIOUS (UnderstandING the sourcEs, traNsformations and fates of IndOor air pollUtantS) project, aiming to better understand air pollution in homes. Although our homes are the microenvironment in which we spend most of our time, we know relatively little about the sources, transformation processes and fates of indoor air pollutants, or our exposure to them. INGENIOUS aims to address this knowledge gap by delivering: an indoor emissions inventory for UK homes; comprehensive air pollutant measurements in 310 homes in Bradford using a combination of low cost-sensors and more advanced air quality instrumentation; an analysis of the impact of indoor air pollution on outdoor air quality and using mobile measurements; insight into future indoor air quality using detailed air pollution models; identification of indoor air pollutants that warrant further toxicological study; and better understanding of the barriers and facilitators for behaviour that drives improved indoor air quality.
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