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Leaf nitrogen and phosphorus are more sensitive to environmental factors in dicots than in monocots, globally.
Plant Divers
November 2024
Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
Leaf nitrogen (N) and phosphorus (P) levels provide critical strategies for plant adaptions to changing environments. However, it is unclear whether leaf N and P levels of different plant functional groups (e.g.
View Article and Find Full Text PDFEffectiveness of interventions to prevent drowning among children under age 20 years: a global scoping review.
Front Public Health
January 2025
Johns Hopkins International Injury Research Unit, Health Systems Program, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States.
Background: Drowning is a leading cause of death among young children. The United Nations Resolution on global drowning prevention (2021) and World Health Assembly Resolution in 2023 have drawn attention to the issue. This scoping review synthesizes the current evidence on the effectiveness of child drowning prevention interventions since the 2008 World Report on Child Injury Prevention and implications for their implementation.
View Article and Find Full Text PDFUsing hyperspectral reflectance to detect changes in photosynthetic activity in leaves as a function of decreasing soil water content.
Photosynthetica
January 2025
Chengde Bijiashan Ecological Agriculture Technology Development Co., Ltd., 067000 Chengde, Hebei, China.
Application of hyperspectral reflectance technology to track changes in photosynthetic activity in () remains underexplored. This study aimed to investigate the relationship between hyperspectral reflectance and photosynthetic activity in the leaves of in response to a decrease in soil water content. Results demonstrated that the reflectance in both the visible light and near-infrared bands increased in conjunction with reduced soil water content.
View Article and Find Full Text PDFChanges in hematological and hematochemical parameters in lactating dairy sheep according to different pasture management and heat stress risk: A longitudinal study.
Vet Anim Sci
March 2025
Department of Agriculture, Food and Environment, University of Pisa, 56124 Pisa, Italy.
Sheep in Italy are exposed to heat stress (HS) for several months, increasing the risk of HS-related problems such as the decrease in growth, reproductive performance, milk quantity and quality and natural immunity. This study aimed to assess changes in hematological and biochemical parameters in dairy sheep from three different farms with varying pasture management: A (no water or shade), B (water but no shade), and C (both water and shade). From March to June, when HS risk is high, monthly blood samples (T1-T4) were collected from 20 sheep per farm (total n = 60).
View Article and Find Full Text PDFIn the past 20 years, sulfur hexafluoride (SF) has been considered a highly reliable tracer for assessing modern water (< 65 yrs old) in groundwater. However, modern-air contamination may introduce complications in interpreting data obtained using current sampling methods. A new airtight methodology isolates the sample from modern ambient air; thus, returning more reproducible and reliable results when compared to two traditional (air-sensitive and non-airtight) methods.
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