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Ammonium (NH4-N) produces a paradoxical effect on submersed macrophytes because it is not only the preferred nitrogen source for the growth of plants but also threatens the growth of plants at high concentration.
Qing Yu +17 more
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Migration Processes – Challenges for German Cities
In recent years, demographic processes have rightly attracted growing attention. In addition to the natural development of the population (with the phenomena of population decline and over aging), the various forms of migration (international and inter ...
Heinrich Mäding
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Effects of geo‐climate factors on phenotypic variation in cone and seed traits of Pinus yunnanensis
Evaluating variations in reproductive traits and the response of the variations to geo‐climate conditions are essential for understanding the persistence, evolution, and range dynamics of plant populations.
Chengjie Gao +5 more
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Demographic Development of a Region: Conceptual Framework and Management Model [PDF]
Regional demographic development is a key driver of socio-economic stability and sustainable growth. In light of global challenges such as population aging, declining birth rates, and migration, effective demographic management is increasingly important.
Natalia P. Neklyudova
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Population and Development [PDF]
As the world's population reaches 7 billion this year, we should reflect on the many ways in which population dynamics matter to the planet's future. Population growth patterns are linked to nearly every challenge confronting humanity, including poverty reduction, urban pollution, energy production, food and water scarcity, and health.
openaire +2 more sources
Demographic development in selected microregions
The paper is aimed at the population development analysis of the Běleč, Lučina, Cézava and Podluží regions. In the studied period an increase in the mid-year population occurred, the proportion of women was predominant.
Milan Palát
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Introduction In recent decades, there has been a significant increase in childlessness. This paper analysed childlessness in China, specifically examining its socio and regional disparities.Methods With data from China’s 2020 population census ...
Yu Jiang +4 more
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Tomato leafminer Tuta absoluta (Meyrick) is a major pest of tomato plants in South America. It was first recorded in the UK in 2009 where it has been subjected to eradication policies. The current work outlines T.
Phil Northing +6 more
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Malnutrition poses a significant risk to the older population globally, highlighting the critical role of nutrition in healthy aging. In this study, the aim is to estimate the prevalence of malnutrition among older adults aged 45–59 years and the elderly
Junaid Khan +2 more
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