2,425 results match your criteria: "China Land Surveying & Planning Institute[Affiliation]"

Association between urinary phthalate metabolites and sarcopenia in US adults from NHANES 2011-2018.

J Clin Endocrinol Metab

January 2025

Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital; Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Third Military Medical University (Army Medical University), 400038 Chongqing, China.

Background: Phthalates, widely used as chemical additives, are often found as mixtures in the environment. However, the combined impact of phthalate exposure on sarcopenia remains unclear.

Objective: This study aimed to investigate the relationships between phthalates and sarcopenia in adults.

View Article and Find Full Text PDF

Animal translocations provide striking examples of the human footprint on biodiversity. Combining continental-wide genomic and DNA-barcoding analyses, we reconstructed the historical biogeography of the Asian black-spined toad (Duttaphrynus melanostictus), a toxic commensal amphibian that currently threatens two biodiversity hotspots through biological invasions (Wallacea and Madagascar). The results emphasize a complex diversification shaped by speciation and mitochondrial introgression that comprises two distinct species.

View Article and Find Full Text PDF

Anthropogenic Drivers of Small-Island Effects in Urban Remnant Woody Plants.

Plants (Basel)

December 2024

College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China.

The positive relationship between species richness and area is a fundamental principle in ecology. However, this pattern deviates on small islands, where species richness either changes independently of area or increases at a slower rate-a phenomenon known as the Small-Island Effect (SIE). While the SIE has been well documented in natural ecosystem, its presence in highly fragmented and disturbed urban ecosystem remains unexplored, posing challenges for urban vegetation conservation.

View Article and Find Full Text PDF

The phosphorus (P) availability in soils is influenced by microbes, particularly those containing the gene responsible for phosphate solubilization. The present study investigated the community structure, diversity, and co-occurrence networks of -harboring bacteria in karst and non-karst citrus orchard soils across a planting duration gradient, natural forests, and abandoned land, as well as the soil total P (TP) and available P (AP) contents and enzyme activities. The soil AP contents were lower in the karst regions than in the non-karst regions, while the soil organic carbon (C; SOC), exchangeable calcium, and microbial biomass nitrogen (N) contents; alkaline phosphatase (ALP) and β-Glucuronidase activities; and pH had the opposite trends.

View Article and Find Full Text PDF

While adult fireflies are terrestrial, their larvae inhabit various habitat types, and a lack of comprehensive research on the feeding habits of these larvae across different habitats has greatly impeded the development of artificial diets. Here, we tested 14 types of foods, primarily covering gastropods, vertebrates, and fruit, to survey feed for aquatic ( and ), semi-aquatic ( and sp.), and terrestrial () fireflies.

View Article and Find Full Text PDF

Aims: ERCP training should adapt to the rapid development of ERCP technology and indications. China has a large population and vast land area, but ERCP training resources are insufficient. To make effective use of scarce ERCP training resources, the Standardized Training for ERCP Procedure (STEP) program was launched as a pilot trial.

View Article and Find Full Text PDF

Introduction: In the context of climate variability, rapid and accurate estimation of winter wheat yield is essential for agricultural policymaking and food security. With advancements in remote sensing technology and deep learning, methods utilizing remotely sensed data are increasingly being employed for large-scale crop growth monitoring and yield estimation.

Methods: Solar-induced chlorophyll fluorescence (SIF) is a new remote sensing metric that is closely linked to crop photosynthesis and has been applied to crop growth and drought monitoring.

View Article and Find Full Text PDF

Rivers link land and sea, playing an important role in the global carbon and nitrogen cycles. By conducting surveys and research on river flow in a specific region, we can gain a better understanding of the nitrogen and carbon sinks in the area and their contributions to the environment. In this study, we conducted bi-annual sampling and monitoring of river flow in the Pearl River Delta downstream of Zhuhai, China, and collected hydrological information.

View Article and Find Full Text PDF

Assessing the threat status of species in response to global change is critical for biodiversity monitoring and conservation efforts. However, current frameworks, even the IUCN Red List, often neglect critical factors such as genetic diversity and the impacts of climate and land-use changes, hindering effective conservation planning. To address these limitations, we developed an enhanced extinction risk assessment framework using lizards as a model.

View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to identify risk factors contributing to overweight/obesity in older adults by comparing various predictive models using survey data from 400 individuals in China.
  • Six machine learning algorithms were tested, with the CatBoost model being the most effective; the key factors influencing obesity included gender, transportation-related physical activity, and road network density.
  • Conclusions highlighted that lack of physical activity, poor neighborhood design, and incidents of falls are significant contributors to overweight/obesity among older adults, suggesting targeted prevention strategies are needed.
View Article and Find Full Text PDF

Land use change threatens global biodiversity and compromises ecosystem functions, including pollination and food production. Reduced taxonomic α-diversity is often reported under land use change, yet the impacts could be different at larger spatial scales (i.e.

View Article and Find Full Text PDF

Impact of civil war on the land cover in Myanmar.

Environ Monit Assess

January 2025

College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing, China.

Exploring the response relationship between civil war, population and land cover change is of great practical significance for social stability in Myanmar. However, the ongoing civil war in Myanmar hinders direct understanding of the situation on the ground, which in turn limits detailed study of the intricate relationship between the dynamics of the civil war and its impact on population and land. Therefore, this paper explores the response relationship between civil war conflict and population and land cover change in Myanmar from 2010 to 2020 from the perspective of remote sensing using the land cover data we produced, the open spatial demographics data, and the armed conflict location and event data project.

View Article and Find Full Text PDF

The construction of the National Reserve Forest Project is the fundamental measure to alleviate the contradiction between national wood supply and demand and maintain national ecological security and wood security. This study analyzed the forest farmers' intention to participate in the project and its driving factors. It provides a scientific basis for mobilizing forest farmers' enthusiasm for continuous participation, improving their sense of gain, and realizing the established goals of constructing the National Reserve Forest Project.

View Article and Find Full Text PDF

Terrestrial ecosystems have vital impacts on soil carbon sequestration, but under disturbances from anthropogenic activities, the typical indicator combinations of SOC distribution in coastal areas remain unclear. On the basis of surface soil sampling and calculations of related eco-environmental indices in the Yellow River Delta (YRD), we performed geostatistical analysis combined with Spearman's correlation analysis, principal component analysis (PCA), and hierarchical clustering analysis (HCA) to explore the spatial heterogeneity of soil organic carbon (SOC) and influential spatiotemporal factors. Overall, the results revealed that in the seaward direction of the Yellow River, the SOC concentration decreased from west to east, with a low mean value of 5.

View Article and Find Full Text PDF

Rational utilization of natural resources is crucial in arid and semi-arid areas due to their vulnerable ecosystems and low resource resilience. Achieving a balance between grassland production and livestock grazing, known as the pasture-livestock balance, is essential for the sustainable development of grassland resources on the Mongolian Plateau (MP). This study focuses on the grassland regions of 8 provinces in eastern Mongolia (MNG) and 7 leagues in Inner Mongolia (IMNG), China, during the period from 2018 to 2022.

View Article and Find Full Text PDF

The Laurani high-sulfidation epithermal deposit, located in the northeastern Altiplano of Bolivia, is a representative gold-polymetallic deposit linked to the late Miocene volcanic rocks that were formed approximately at about 7.5 Ma. At Laurani, four mineralization stages are defined.

View Article and Find Full Text PDF

Understanding the establishment of ecological security patterns in arid and semi-arid regions is critical for global ecological risk prevention, control, and sustainable development. Nonetheless, there remains a relative deficiency in ecological risk assessment and construction of Ecological Security Patterns (ESP) in these areas, along with insufficient verification regarding the changes in ecological security patterns under diverse scenarios. This study employs Morphological Spatial Pattern Analysis (MSPA) to identify ecological sources and utilizes circuit theory alongside Minimum Cumulative Resistance (MCR) to delineate ecological corridors.

View Article and Find Full Text PDF

Coastal populations are susceptible to relative sea-level (RSL) rise and accurate local projections are necessary for coastal adaptation. Local RSL rise may deviate from global mean sea-level rise because of processes such as geoid change, glacial isostatic adjustment (GIA), and vertical land motion (VLM). Amongst all factors, the VLM is often inadequately estimated.

View Article and Find Full Text PDF

Mine ecological restoration has experienced a long-term development process in China, in which various technologies have been constantly developing and integrating. Based on the related theoretical research and field program, the technical system of mine ecological restoration was constructed, and the characteristics of key technologies were specifically grasped. In this research, the environment, including natural elements and the spatial environment, is the object of mine ecological restoration, which requires further long-term investigation and monitoring.

View Article and Find Full Text PDF

[Characteristics of Cd, As, and Pb Pollution in Farmland Soil and Edible Parts of Chili Pepper and Sweet Potato and Their Health Risk Assessment].

Huan Jing Ke Xue

January 2025

State Key Laboratory of North China Crop Improvement and Regulation, Key Laboratory of Ecological Environment of Farmland in Hebei, College of Resources and Environmental Sciences, Hebei Agricultural University, Baoding 071000, China.

To clarify the characteristics of Cd, As, and Pb concentrations in edible parts of crops and farmland soils, a key farmland survey was conducted on the field scale to investigate the characteristics of Cd, As, and Pb in soil and chili pepper (edible parts in the above-ground section) and sweet potato (edible parts under the ground) and assess the health risk of Cd-As-Pb in edible parts of chili pepper and sweet potato to humans in the typical co-contaminated agricultural soils by Cd, As, and Pb from metal smelting and sewage irrigation in North China. The results showed that the agricultural soil from chili pepper and sweet potato fields was co-contaminated by Cd and As at a moderate pollution level. The combined pollution index (2.

View Article and Find Full Text PDF

[Characteristics and Comprehensive Quality Assessment of Heavy Metals in Soil-crop System of High Geological Background Area].

Huan Jing Ke Xue

January 2025

Chongqing Key Laboratory of Land Quality Geological Survey, Southeast Sichuan Geological Group, Chongqing Bureau of Geology and Minerals Exploration, Chongqing 400038, China.

Heavy metals (HMs) pollution in agricultural soil-rice systems has attracted worldwide attention as it directly threatens regional ecological security and human health. To understand the heavy metal pollution of agriculture soil and rice in the high geological background areas, a total of 200 paddy soil and rice samples were collected in southeast Chongqing. The concentrations of arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), mercury (Hg), nickel (Ni), lead (Pb), and zinc (Zn) in paddy soil and rice were analyzed.

View Article and Find Full Text PDF

The dataset of main grain land changes in China over 1985-2020.

Sci Data

December 2024

Departmentof Earth System Science Tsinghua University, Tsinghua University, Beijing, 100084, China.

Continuous, Accurate, and detailed information on main grain land (MGL) areas is crucial for provisioning food security and making policies affecting sustainable agricultural production. It still lacks a long-term MGL distribution dataset with fine spatial resolution. This study aimed to produce a long-term, high-resolution MGL distribution map for China.

View Article and Find Full Text PDF

Increase or decrease? Impact of straw return on farmers' agricultural income in Jianghan Plain, Central China.

J Environ Manage

December 2024

Institute of Geographical Sciences and Natural Resources, Chinese Academy of Science, No.11 Datunjia, Chaoyang, Beijing, 100101, PR China. Electronic address:

In the context of emphasizing on the food production, clean air guarding and sustainable development of agriculture, straw returning practices have been widely promoted, however, most studies have not linked straw returning adoption and smallholder's agricultural income in double-season rice cropping system. Based on a face-to-face survey data from 797 farmers in Jianghan Plain, Central China, we filled this gap by using the endogenous switching regression model to estimate the impact of farmer's straw returning on their agricultural income. The evidences show number of family laborers and technical training are the main factors influencing farmers' adoption of SR.

View Article and Find Full Text PDF

Land use planning tools are essential for effective land management. However, existing research has not thoroughly explored the evolution and future potential of these tools. This study addresses this gap through comprehensive literature review and data collection, mapping the progression of land use planning tools from their inception to their future trajectories.

View Article and Find Full Text PDF

Editorial: Microbial involvement in biogeochemical cycling and contaminant transformations at land-water ecotones.

Front Microbiol

December 2024

Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China.

View Article and Find Full Text PDF