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1. Multiscale spatiotemporal variations of NOx emissions from heavy duty diesel trucks in the Beijing-Tianjin-Hebei region

Author:
Shifen Cheng; Beibei Zhang; Yibo Zhao; Peng Peng; Feng Lu
Source:
Science of the total environment 2023 v.854 pp. 158753
ISSN:
0048-9697
Subject:
population density,   etc   ; environment; industry; inventories; pollution; regression analysis; roads; spatial variation; urbanization;     Show all 9 Subjects
Abstract:
... Heavy-duty diesel trucks (HDDTs) cause serious pollution to urban and regional environment. Understanding the spatiotemporal pattern of pollution emissions and its impact factors is the basis for implementing emission reduction measures. However, since the multiscale emission inventory of HDDTs is not currently established, multiscale analysis of these issues is still lacking. Therefore, this stud ...
DOI:
10.1016/j.scitotenv.2022.158753

2. Occurrence and distribution of microplastics in coastal plain soils under three land-use types

Author:
De Bi; Beibei Wang; Zhu Li; Yabing Zhang; Xin Ke; Chengwang Huang; Wuxing Liu; Yongming Luo; Peter Christie; Longhua Wu
Source:
Science of the total environment 2023 v.855 pp. 159023
ISSN:
0048-9697
Subject:
population density,   etc   ; agricultural soils; coastal plains; coasts; color; environment; land use; microplastics; orchards; pollution; secondary forests; China;     Show all 12 Subjects
Abstract:
... Microplastic pollution is an issue of major environmental concern worldwide. Land-use type may affect the abundance, polymer types, and distribution characteristics of soil microplastics but their distribution remains unknown on the coastal plain of east China. Here, the abundance of microplastics in farmland (FL), plantation (P), and orchard/secondary forest (OSF) soils was determined on the east ...
DOI:
10.1016/j.scitotenv.2022.159023

3. Using the variable two-step floating catchment area method to measure the potential spatial accessibility of urban emergency shelters

Author:
Haoran Su; Wenkai Chen; Min Cheng
Source:
GeoJournal 2022 v.87 no.4 pp. 2625-2639
ISSN:
0343-2521
Subject:
population density,   etc   ; population distribution; watersheds;     Show all 3 Subjects
Abstract:
... As a public service facility that provides relief, resettlement, and evacuation services to disaster-affected people, emergency shelters play a vital role in helping people cope with disaster events. The measurement of spatial accessibility of existing emergency shelters is a key task in improving emergency shelter services and minimizing property losses and deaths. In this study, considering the ...
DOI:
10.1007/s10708-021-10389-3

4. Changes in the Hippocampus of the Bank Vole Due to Population Density Dynamics

Author:
V. A. Yaskin
Source:
Biology bulletin of the Russian Academy of Sciences 2022 v.49 no.2 pp. 95-100
ISSN:
1062-3590
Subject:
population density,   etc   ; Clethrionomys glareolus; autumn; hippocampus;     Show all 4 Subjects
Abstract:
... We studied hippocampal variability in relation to the multiyear population density cycle and the action of density-dependent autoregulatory mechanisms associated with behavior. A study of field collections of the morphological material of bank voles (Clethrionomys glareolus, Rodentia) revealed annual variability in the hippocampal size against changes in the population density. The absolute and re ...
DOI:
10.1134/S1062359022020157

5. The Ontogentic and Vitality Structure and State of Coenopopulations of Neottia ovata (L.) Bluff & Fingerh. in Disturbed Habitats of Kirov Oblast

Author:
N. Yu. Egorova; V. N. Suleimanova
Source:
Biology bulletin of the Russian Academy of Sciences 2022 v.49 no.4 pp. 359-368
ISSN:
1062-3590
Subject:
population density,   etc   ; Neottia ovata; biotopes; ontogeny;     Show all 4 Subjects
Abstract:
... An integrated assessment of the status of populations of Neottia ovata (L.) Bluff & Fingerh. (Orchidaceae Juss.) based on population characteristics is given: population quality, generativity index, renewability index, population density, vitality, and ontogenetic types of populations. It is established that the ontogenetic structure of coenopopulations of N. ovata is normal, incomplete, and left- ...
DOI:
10.1134/S1062359022040069

6. How do varying socio-economic factors affect the scale of land transfer? Evidence from 287 cities in China

Author:
Maomao Zhang; Shukui Tan; Xuesong Zhang
Source:
Environmental science and pollution research 2022 v.29 no.27 pp. 40865-40877
ISSN:
0944-1344
Subject:
population density,   etc   ; industry; models; pollution; research;     Show all 5 Subjects
Abstract:
... With the rapid development of China’s social economy, the scale of land transfer has also increased, which has led to a new pattern of urban land space. This article uses global regression of ordinary least squares (OLS), spatial lag model (SLM), spatial error regression model (SEM) and local regression of geographically weighted regression model (GWR), and multi-scale geographically weighted regr ...
DOI:
10.1007/s11356-021-18126-6

7. Alternately Rearing with Susceptible Variety Can Delay the Virulence Development of Insect Pests to Resistant Varieties

Author:
Gu Gong; Yu-Dan Zhang; Zhen-Fei Zhang; Wei-Jian Wu
Source:
Agriculture (Basel) 2022 v.12 no.7 pp. -
ISSN:
2077-0472
Subject:
population density,   etc   ; Nilaparvata lugens; agriculture; rice; virulence;     Show all 5 Subjects
Abstract:
... Resistant crop varieties can usually decrease the population density of insect pests; however, they can also easily cause the occurrence of highly virulent pest populations when repeatedly grown. Whether herbivorous insects feeding intermittently on a susceptible variety affects their subsequent virulence has rarely been investigated. In this paper, we examined the variations in the virulence of t ...
DOI:
10.3390/agriculture12070991

8. Geolocation of mountain businesses: Identifying and characterizing clusters by altitude in the Central Apennines

Author:
Stefano Poponi; Gianluca Piovesan; Irene Fulco; Federico Vessella
Source:
Land use policy 2022 v.120 pp. 106247
ISSN:
0264-8377
Subject:
population density,   etc   ; altitude; entrepreneurship; infrastructure; land policy;     Show all 5 Subjects
Abstract:
... Localization is one of the main critical factors that influence the value creation process and performance of a business. Choosing a location to start a business often influences the consequent access to a series of resources and services essential to its development, becoming a key element for its survival. This is even more evident in mountain areas, which are conditioned by key factors such as ...
DOI:
10.1016/j.landusepol.2022.106247

9. Identifying spatiotemporal characteristics and driving factors for road traffic CO2 emissions

Author:
Xiao Zhou; Han Wang; Zhou Huang; Yi Bao; Guoqing Zhou; Yu Liu
Source:
Science of the total environment 2022 v.834 pp. 155270
ISSN:
0048-9697
Subject:
population density,   etc   ; carbon dioxide; issues and policy; traffic;     Show all 4 Subjects
Abstract:
... Road traffic is an important contributor to CO₂ emissions. Previous studies lack enough spatiotemporal resolution in emission calculation at the road level and ignore the impact of the built environment on road traffic emissions. Therefore, this study develops a bottom-up methodology based on the traffic trajectory data to analyze the CO₂ emission characteristics of road traffic with a high level ...
DOI:
10.1016/j.scitotenv.2022.155270

10. The impact of earthquake risk on banks’ lending behavior: evidence from local Chinese banks

Author:
Qian Wu; Xianhang Qian; Yun Liu
Source:
Environmental science and pollution research 2022 v.29 no.2 pp. 3147-3154
ISSN:
0944-1344
Subject:
population density,   etc   ; credit; earthquakes; mortgages; pollution; research; risk;     Show all 7 Subjects
Abstract:
... This paper examines the impact of earthquake risk on the lending behavior of local Chinese banks. The results show that when facing earthquake risk, banks will adjust their lending behavior, including decreasing the amount of loans and mortgage loans and increasing credit loans and loan loss provision, but the effect only exists for banks without inter-provincial branches or that are located in ci ...
DOI:
10.1007/s11356-021-17617-w

11. Beyond average population density: Measuring sprawl with density-allocation indicators

Author:
Ioannis Tikoudis; Katherine Farrow; Rose Mba Mebiame; Walid Oueslati
Source:
Land use policy 2022 v.112 pp. 105832
ISSN:
0264-8377
Subject:
population density,   etc   ; carbon dioxide; coevolution; land policy; urbanization;     Show all 5 Subjects
Abstract:
... Average population density has been a traditional urban sprawl indicator, but it is insufficient to encapsulate its detrimental impacts. We demonstrate that cities of identical average population density may be subject to very different levels of car dependency, CO₂ emissions and public budget deficits. To capture this, we shed light into the properties of two “density-allocation” indicators: the ...
DOI:
10.1016/j.landusepol.2021.105832

12. City-level carbon emissions accounting and differentiation integrated nighttime light and city attributes

Author:
Yuan Zhou; Mingxing Chen; Zhipeng Tang; You Zhao
Source:
Resources, conservation, and recycling 2022 v.182 pp. 106337
ISSN:
0921-3449
Subject:
population density,   etc   ; carbon; carbon dioxide; regression analysis; urbanization;     Show all 5 Subjects
Abstract:
... The city plays a crucial role in CO₂ emissions reduction, and exploring the accounting methods of city-level CO₂ emissions is important for formulating effective emission reduction policies. Although previous studies have verified a linear relationship between nighttime light data (NTL) and CO₂ emissions at the provincial level, the consistent fitting coefficient adopted by cities ignored the soci ...
DOI:
10.1016/j.resconrec.2022.106337

13. Dynamics and mechanism of the physical developer process for visualization of latent fingerprints on paper

Author:
Jodie L. Coulston; Vaughn Sears; Stephen Bleay; A. Robert Hillman
Source:
Forensic science international 2022 v.333 pp. 111195
ISSN:
0379-0738
Subject:
population density,   etc   ; forensic sciences; iron; particle size; silver;     Show all 5 Subjects
Abstract:
... We present a detailed mechanistic study of the PD process, focused on the nucleation and growth dynamics of silver particles on fingermarks deposited on a paper surface, from macroscopic (whole fingermark) and microscopic (particle level) perspectives. Conceptually, we separate the outcomes into aspects that precede exposure of the exhibit (relating to the reagent formulation), that relate to the ...
DOI:
10.1016/j.forsciint.2022.111195

14. How to build Urbanome, the genome of the city?

Author:
Lidia Morawska; Wendy Miller; Matt Riley; Sotiris Vardoulakis; Yong-Guan Zhu; Guy B. Marks; Prachi Garnawat; Prashant Kumar; Marie Thynell
Source:
Science of the total environment 2022 v.810 pp. 152310
ISSN:
0048-9697
Subject:
population density,   etc   ; data collection; environment; genome; urban areas;     Show all 5 Subjects
Abstract:
... The world's population is shifting to the cities, and consequently, cities worldwide are growing in number and in size. Cities are complex systems, making it extremely difficult to build and run cities in a way that all the elements of the system operate in harmony. Recently a concept of urbanome, the genome of the city was proposed to address this complexity. Here we first explore this concept an ...
DOI:
10.1016/j.scitotenv.2021.152310

15. Macroparticle Charcoal in Lake Sediments of the Central Tunguska Plateau (Siberia, Evenkia) as an Indicator of Forest Fires and a Possible Trace of the Tunguska Event of 1908

Author:
D. Y. Rogozin; G. N. Bolobanshchikova; L. A. Burdin; A. V. Meydus
Source:
Contemporary problems of ecology 2022 v.15 no.4 pp. 337-344
ISSN:
1995-4255
Subject:
population density,   etc   ; Siberia; charcoal; forest fires; forests; lakes;     Show all 6 Subjects
Abstract:
... The distribution of >100-µm charcoal particles, which may be traces of forest fires in the surrounding area, has been analyzed in the bottom sediments of lakes Cheko and Zapovednoe in the south of the Evenk district (Krasnoyarsk krai). The background content of charcoal particles in sediments of about 1500 years old is no less than in recent sediments. This is evidence that the intensity of fires ...
DOI:
10.1134/S1995425522040096

16. A theoretical framework for multi‐species range expansion in spatially heterogeneous landscapes

Author:
Lukas Eigentler; Nicola R. Stanley‐Wall; Fordyce A. Davidson
Source:
Oikos 2022 v.2022 no.8 pp. e09077
ISSN:
0030-1299
Subject:
population density,   etc   ; biofilm; climate change; habitat destruction; landscapes;     Show all 5 Subjects
Abstract:
... Range expansion is the spatial spread of a population into previously unoccupied regions. Understanding range expansion is important for the study and successful management of ecosystems, with applications ranging from controlling bacterial biofilm formation in industrial and medical environments to large scale conservation programmes for species undergoing climate‐change induced habitat disruptio ...
DOI:
10.1111/oik.09077

17. Estimation of methane emission from an urban wastewater treatment plant applying inverse Gaussian model

Author:
Carla Stadler; Victoria S. Fusé; Santiago Linares; Paula Juliarena
Source:
Environmental monitoring and assessment 2022 v.194 no.1 pp. 27
ISSN:
0167-6369
Subject:
population density,   etc   ; air; methane; methane production; models; wastewater treatment;     Show all 6 Subjects
Abstract:
... The methane (CH₄) emissions from urban sources are increasing, and they depend on the processes and technologies applied in each one. Thus, studying them individually to quantify their emissions and understand their behavior to design CH₄ mitigation strategies is meaningful. Although many studies have been carried out in different cities worldwide, the complex methodologies and technologies applie ...
DOI:
10.1007/s10661-021-09660-4

18. Estimating organic aerosol emissions from cooking in winter over the Pearl River Delta region, China

Author:
Li Xing; Tzung-May Fu; Tengyu Liu; Yiming Qin; Liyuan Zhou; Chak K. Chan; Hai Guo; Dawen Yao; Keqin Duan
Source:
Environmental pollution 2022 v.292 pp. 118266
ISSN:
0269-7491
Subject:
population density,   etc   ; aerosols; pollution; river deltas; rivers; winter; China;     Show all 7 Subjects
Abstract:
... Cooking is an important source of organic aerosols (OA), particularly in urban areas, but it has not been explicitly included in current emission inventories in China. This study estimated the organic aerosol emissions from cooking during winter over the Pearl River Delta (PRD) region, China. Using the retrieved hourly cooking organic aerosol (COA) concentrations at two sites in Hong Kong and Guan ...
DOI:
10.1016/j.envpol.2021.118266

19. Factors Influencing the Coupling of the Development of Rural Urbanization and Rural Finance: Evidence from Rural China

Author:
Jiali Zhou; Xiangbo Fan; Chenggang Li; Guofei Shang
Source:
Land 2022 v.11 no.6 pp. -
ISSN:
2073-445X
Subject:
population density,   etc   ; finance; land; models; urban population; urbanization; China;     Show all 7 Subjects
Abstract:
... This study empirically analyzes factors influencing the coupling and coordinated development of rural urbanization and rural finance. For this purpose, the study employs the coupling degree model and develops a panel quantile model to estimate the coupling degree and coupling coordination degree of rural urbanization and rural finance. Accordingly, the study presents panel data comprising 31 provi ...
DOI:
10.3390/land11060853

20. Measuring the Correlation between Human Activity Density and Streetscape Perceptions: An Analysis Based on Baidu Street View Images in Zhengzhou, China

Author:
Yilei Tao; Ying Wang; Xinyu Wang; Guohang Tian; Shumei Zhang
Source:
Land 2022 v.11 no.3 pp. -
ISSN:
2073-445X
Subject:
population density,   etc   ; entropy; humans; land; models; quantitative analysis; China;     Show all 7 Subjects
Abstract:
... Although investigators are using data sources to describe the visual characteristics of streets, few researchers have linked human perceptions of the street environment with human activity density. This study proposes a conceptualized analytical framework that explains the relationship between human activity density and the visual characteristics of the streetscape. The image-segmentation model De ...
DOI:
10.3390/land11030400