Results 61 to 70 of about 69,831 (210)

Bioaccumulation surveillance in Milford Haven Waterway [PDF]

open access: yes, 2011
Biomonitoring of contaminants (metals, organotins, PAHs, PCBs) was carried out along the Milford Haven Waterway (MHW) and at a reference site in the Tywi Estuary during 2007-2008. The species used as bioindicators encompass a variety of uptake routes -
Davey, M.   +8 more
core   +1 more source

High temperature induces reproductive dysfunction in male zebrafish via DNA methylation-mediated tssk6 downregulation

open access: yesEcotoxicology and Environmental Safety
High temperature (HT) poses a significant threat to aquatic organisms, yet the molecular mechanisms underlying HT-induced reproductive impairment in fish remain unclear. In this study, we demonstrated that both short-term (< 21 days) and long-term (> 120
Xuan Ma   +8 more
doaj   +1 more source

Egg investment strategies adopted by a desertic passerine, the Saxaul Sparrow (Passer ammodendri)

open access: yesAvian Research, 2020
Background As one of the reproductive strategies adopted by bird species, variation in investment in egg production and its influencing factors are important and well-studied subjects.
Xinkang Bao   +4 more
doaj   +1 more source

Reference intervals for urinary cotinine levels and the influence of sampling time and other predictors on its excretion among italian schoolchildren [PDF]

open access: yes, 2018
(1) Background: Environmental Tobacco Smoke (ETS) exposure remains a public health problem worldwide. The aims are to establish urinary (u-) cotinine reference values for healthy Italian children, to evaluate the role of the sampling time and of other ...
Andreoli, Roberta   +5 more
core   +2 more sources

Rapid toxicity detection in water quality control utilizing automated multispecies biomonitoring for permanent space stations [PDF]

open access: yes
The objective of this study was to evaluate proposed design characteristics and applications of automated biomonitoring devices for real-time toxicity detection in water quality control on-board permanent space stations.
Eagleson, K. W.   +3 more
core   +1 more source

Possible influence of natural events on heavy metals exposure from shellfish consumption: A case study in the north-east of Italy [PDF]

open access: yes, 2018
open8noopenLosasso, Carmen; Bille, Laura; Patuzzi, Ilaria; Lorenzetto, Monica; Binato, Giovanni; Pozza, Manuela Dalla; Ferrè, Nicola; Ricci, AntoniaLosasso, Carmen; Bille, Laura; Patuzzi, Ilaria; Lorenzetto, Monica; Binato, Giovanni; Pozza, Manuela Dalla;

core   +1 more source

Variability of imposex development and reproductive alterations in the Patagonian gastropod Buccinanops globulosus inhabiting a polluted harbour area [PDF]

open access: yes, 2015
El objetivo de este trabajo fue estudiar parámetros reproductivos y desarrollo de imposex en el caenogasterópodo Buccinanops globulosus que habita en una zona portuaria de alto tráfico marítimo y con presencia de contaminantes.
Averbuj, Andres   +2 more
core  

Spatial distribution of PAH concentrations and stable isotope signatures (δ13C, δ15N) in mosses from three European areas – Characterization by multivariate analysis [PDF]

open access: yes, 2014
Polycyclic aromatic hydrocarbon (PAH) concentrations and N, C stable isotope signatures were determined in mosses Hypnum cupressiforme Hedw. from 61 sites of 3 European regions: Île-de-France (France); Navarra (Spain); the Swiss Plateau and Basel area ...
Ares   +65 more
core   +4 more sources

Chinese provincial-level new records for 96 resident bird species reveal poleward range shifts

open access: yesAvian Research
Anthropogenic climate change is altering species distributions globally. While species distributions are expected to shift to higher latitudes and elevations under global warming, empirical evidence on distribution shifts is mixed, and factors mediating ...
Shengxi Chen   +5 more
doaj   +1 more source

Water Quality Assessment of Sager Creek Utilizing Physiochemical Parameters and a Family-Level Biotic Index [PDF]

open access: yes, 2013
An annual rapid bioassessment and physiochemical survey of Sager Creek in Northwest Arkansas was conducted. Sager Creek is a first to second order stream that flows through the city of Siloam Springs, AR.
Wakefield, T. S.
core   +3 more sources

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