Results 31 to 40 of about 5,184,648 (301)

Global-Scale Patterns of Forest Fragmentation

open access: yesEcology and Society, 2000
We report an analysis of forest fragmentation based on 1-km resolution land-cover maps for the globe. Measurements in analysis windows from 81 km 2 (9 x 9 pixels, "small" scale) to 59,049 km 2 (243 x 243 pixels, "large" scale) were used to characterize ...
Kurt Riitters   +4 more
doaj   +1 more source

Lead levels of new solvent-based household paints in Zimbabwe and Botswana: A preliminary study

open access: yesAfrican Journal of Primary Health Care & Family Medicine, 2022
Background: Lead paint remains a major potential source of lead poisoning globally, but there has been no documentation on lead content in solvent paints available on the markets in Zimbabwe and Botswana.
Rose A. Kambarami   +6 more
doaj   +1 more source

Technical challenges and solutions in representing lakes when using WRF in downscaling applications [PDF]

open access: yesGeoscientific Model Development, 2015
The Weather Research and Forecasting (WRF) model is commonly used to make high-resolution future projections of regional climate by downscaling global climate model (GCM) outputs.
M. S. Mallard   +7 more
doaj   +1 more source

Short-Term Transcriptomic Points of Departure Are Consistent with Chronic Points of Departure for Three Organophosphate Pesticides across Mouse and Fathead Minnow

open access: yesToxics, 2023
New approach methods (NAMs) can reduce the need for chronic animal studies. Here, we apply benchmark dose (concentration) (BMD(C))–response modeling to transcriptomic changes in the liver of mice and in fathead minnow larvae after short-term exposures (7
Rubia Martin   +4 more
doaj   +1 more source

Modeling stratospheric intrusion and trans-Pacific transport on tropospheric ozone using hemispheric CMAQ during April 2010 – Part 2: Examination of emission impacts based on the higher-order decoupled direct method [PDF]

open access: yesAtmospheric Chemistry and Physics, 2020
The state-of-the-science Community Multiscale Air Quality (CMAQ) modeling system, which has recently been extended for hemispheric-scale modeling applications (referred to as H-CMAQ), is applied to study the trans-Pacific transport, a phenomenon ...
S. Itahashi   +5 more
doaj   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo   +9 more
wiley   +1 more source

Pesticide Flow Analysis to Assess Human Exposure in Greenhouse Flower Production in Colombia [PDF]

open access: yes, 2013
Human exposure assessment tools represent a means for understanding human exposure to pesticides in agricultural activities and managing possible health risks.
Camilo Lesmes-fabian   +4 more
core   +2 more sources

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