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1,977 Results Found

  • Article
  • Open Access
16 Citations
2,521 Views
13 Pages

Untargeted Metabolomics Analysis Revealed the Difference of Component and Geographical Indication Markers of Panax notoginseng in Different Production Areas

  • Shijia Zhang,
  • Kexin Fang,
  • Zenan Ding,
  • Jinxia Wu,
  • Jianzhong Lin,
  • Dunming Xu,
  • Jinshui Zhong,
  • Feng Xia,
  • Jianghua Feng and
  • Guiping Shen

15 June 2023

Panax notoginseng (P. notoginseng) has excellent medicinal and food dual-use characteristics. However, P. notoginseng with a unique origin label has become the target of fraud because of people confusing or hiding its origin. In this study, an untarg...

  • Article
  • Open Access
17 Citations
6,336 Views
13 Pages

Mental Health has been known to vary geographically. Different rates of utilization of mental health services in local areas reflect geographic variation of mental health and complexity of health care. Variations and inequalities in how the health ca...

  • Article
  • Open Access
2 Citations
3,093 Views
15 Pages

6 December 2021

Communities in urban space are the most basic living units. Community visual features directly reflect the local living quality and influence the perception of residents and visitors. The evaluation of the community visual features is of great signif...

  • Article
  • Open Access
18 Citations
6,136 Views
18 Pages

Regional terrain complexity assessment (TCA) is an important theoretical foundation for geological feature identification, hydrological information extraction and land resources utilization. However, the previous TCA models have many disadvantages; f...

  • Article
  • Open Access
26 Citations
8,865 Views
12 Pages

8 November 2012

Herbal Epimedium species have been widely in Traditional Chinese Medicine for sexual enhancement, immunity improvement, anticancer and anti-aging treatment, with flavonoids and polysaccharides being the major active components. However, exhaustive de...

  • Article
  • Open Access
12 Citations
4,392 Views
14 Pages

13 April 2020

Lassa mammarenavirus (LASV) is the etiologic agent of Lassa fever. In endemic regions in West Africa, LASV genetic diversity tends to cluster by geographic area. Seven LASV lineages are recognized, but the role of viral genetic determinants on diseas...

  • Article
  • Open Access
9 Citations
2,526 Views
14 Pages

Economic Downturns and Land-Use Change: A Spatial Analysis of Urban Transformations in Rome (Italy) Using a Geographically Weighted Principal Component Analysis

  • Antonio Tomao,
  • Walter Mattioli,
  • David Fanfani,
  • Carlotta Ferrara,
  • Giovanni Quaranta,
  • Rosanna Salvia and
  • Luca Salvati

13 October 2021

Globally, processes that drive urbanization have mostly evolved within economic downturns. Economic crises have been more severe and frequent, particularly in the Mediterranean region. However, studies on the recession effects on urbanization are lim...

  • Article
  • Open Access
5 Citations
4,839 Views
10 Pages

Suicide on the Railways in Belgium: A Typology of Locations and Potential for Prevention

  • Mathieu Strale,
  • Karolina Krysinska,
  • Gaëtan Van Overmeiren and
  • Karl Andriessen

Suicide on railway networks comprises a serious public health problem. However, the geographical distribution and the environmental risk factors remain unclear. This study analyzed the geographic distribution of railway suicides in Belgium from 2008&...

  • Review
  • Open Access
19 Citations
9,250 Views
19 Pages

Towards a Standardized Approach for the Geographical Traceability of Plant Foods Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and Principal Component Analysis (PCA)

  • Quang Trung Nguyen,
  • Thanh Thao Nguyen,
  • Van Nhan Le,
  • Ngoc Tung Nguyen,
  • Ngoc Minh Truong,
  • Minh Tao Hoang,
  • Thi Phuong Thao Pham and
  • Quang Minh Bui

29 April 2023

This paper presents a systematic literature review focused on the use of inductively coupled plasma mass spectrometry (ICP-MS) combined with PCA, a multivariate technique, for determining the geographical origin of plant foods. Recent studies selecte...

  • Article
  • Open Access
10 Citations
2,563 Views
15 Pages

6 December 2022

In this article, the characterization of land subsidence with the spatial variability of soil formation and groundwater withdrawals in Choshui delta, Taiwan, is presented. Levelling surveys, borehole logging, multi-layer compaction monitoring network...

  • Article
  • Open Access
30 Citations
7,795 Views
21 Pages

29 December 2020

The appearance of new trends and models of tourism consumption has allowed the proliferation of rural tourist facilities in northern Extremadura. This article analyzes the economic, social, and heritage (natural and cultural) variables to relate them...

  • Article
  • Open Access
10 Citations
3,745 Views
17 Pages

Geographical Classification of Saffron (Crocus Sativus L.) Using Total and Synchronous Fluorescence Combined with Chemometric Approaches

  • Ouarda El Hani,
  • Juan José García-Guzmán,
  • José María Palacios-Santander,
  • Khalid Digua,
  • Aziz Amine,
  • Said Gharby and
  • Laura Cubillana-Aguilera

23 April 2023

There is an increasing interest in food science for high-quality natural products with a distinct geographical origin, such as saffron. In this work, the excitation-emission matrix (EEM) and synchronous fluorescence were used for the first time to ge...

  • Article
  • Open Access
12 Citations
5,812 Views
25 Pages

7 March 2017

Urban Environmental Quality (UEQ) can be treated as a generic indicator that objectively represents the physical and socio-economic condition of the urban and built environment. The value of UEQ illustrates a sense of satisfaction to its population t...

  • Article
  • Open Access
28 Citations
5,208 Views
21 Pages

Trace Elements Analysis of Tunisian and European Extra Virgin Olive Oils by ICP-MS and Chemometrics for Geographical Discrimination

  • Emna G. Nasr,
  • Ekaterina N. Epova,
  • Alberto de Diego,
  • Radhia Souissi,
  • Mohamed Hammami,
  • Houyem Abderrazak and
  • Olivier F. X. Donard

29 December 2021

The aim of this study was to investigate the levels of trace elements in olive oils from different locations and their use for geographical authentication. Concentrations of seventeen elements were determined in a total of 42 olive oils from Tunisia,...

  • Article
  • Open Access
3 Citations
2,303 Views
19 Pages

27 February 2024

Fires resulting from human activities, encompassing arson, electrical problems, smoking, cooking mishaps, and industrial accidents, necessitate understanding to facilitate effective prevention. This study investigates human-caused fires in Keelung Ci...

  • Article
  • Open Access
7 Citations
4,626 Views
23 Pages

Multi-Seam Coal Deposit Modeling via Principal Component Analysis & GIS

  • Georgios Louloudis,
  • Christos Roumpos,
  • Konstantinos Theofilogiannakos and
  • Nikolaos Stathopoulos

31 August 2019

Spatial modeling and evaluation is a critical step for planning the exploitation of mineral deposits. In this work, a methodology for the investigation of a multi-seam coal deposit spatial variability is proposed. The study area includes the Klidi (F...

  • Article
  • Open Access
10 Citations
5,328 Views
18 Pages

23 December 2020

The equitable accessibility to higher education favours social fairness in economic opportunities. This paper provides an empirical approach to the assessment of the (in)equity of accessibility from universities to sustainable transport modes: Light...

  • Article
  • Open Access
61 Citations
7,458 Views
14 Pages

Changes in ecological vulnerability were analyzed for Northern Shaanxi, China using a geographic information system (GIS). An evaluation model was developed using a spatial principal component analysis (SPCA) model containing land use, soil erosion,...

  • Article
  • Open Access
15 Citations
2,518 Views
15 Pages

11 January 2022

Metals and metalloids accumulate in soil, which not only leads to soil degradation and crop yield reduction but also poses hazards to human health. Commonly, source apportionment methods generate an overall relationship between sources and elements a...

  • Article
  • Open Access
3 Citations
6,105 Views
15 Pages

Geospatial Disparities and the Underlying Causes of Major Cancers for Women in Taiwan

  • Chi-Ting Chiang,
  • Ie-Bin Lian,
  • Ying-Fang Chang and
  • Tsun-Kuo Chang

Some specific types of cancer still pose a severe threat to the health of Taiwanese women. This study focuses on determining the geographical locations of hot spots and causal factors related to the major categories of cancers in Taiwanese women. Can...

  • Article
  • Open Access
10 Citations
4,600 Views
21 Pages

Physical and Thermal Evaluation of Olive Oils from Minor Italian Cultivars

  • Maria Paciulli,
  • Graziana Difonzo,
  • Paola Conte,
  • Federica Flamminii,
  • Amalia Piscopo and
  • Emma Chiavaro

4 May 2021

Authentication of extra virgin olive oils is a key strategy for their valorization and a way to preserve olive biodiversity. Physical and thermal analysis have been proposed in this study as fast and green techniques to reach this goal. Thirteen extr...

  • Article
  • Open Access
6 Citations
2,578 Views
19 Pages

2 September 2024

The Common Agricultural Policy (CAP) is a European Union (EU) policy aimed at supporting farmers, guaranteeing food security, and promoting sustainable rural development, which has undergone numerous reforms to adapt to the needs of the agricultural...

  • Article
  • Open Access
18 Citations
2,435 Views
16 Pages

Lake basins are one of the most significant areas of human–land interaction. It is essential for the region’s ecological protection and high-quality development to assess their ecological vulnerability (EV) and analyze the key driving fac...

  • Article
  • Open Access
11 Citations
5,038 Views
23 Pages

Hydrogeochemistry and Water Quality Assessment in the Thamirabarani River Stretch by Applying GIS and PCA Techniques

  • Esakkimuthu Tharmar,
  • Marykutty Abraham,
  • Ramaiah Prakash,
  • Akila Sundaram,
  • Erick Saavedra Flores,
  • Cristian Canales and
  • Mohammad Ayaz Alam

7 December 2022

The primary objective of this research is to assess the hydrogeochemical features and water quality of the Thamirabarani river stretch, located in southern India. Thirty-five water samples from the Thamirabarani river stretch were obtained from the d...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,614 Views
14 Pages

Spatial Modeling of COVID-19 Prevalence Using Adaptive Neuro-Fuzzy Inference System

  • Mohammad Tabasi,
  • Ali Asghar Alesheikh,
  • Mohsen Kalantari,
  • Elnaz Babaie and
  • Abolfazl Mollalo

This study is dedicated to modeling the spatial variation in COVID-19 prevalence using the adaptive neuro-fuzzy inference system (ANFIS) when dealing with nonlinear relationships, especially useful for small areas or small sample size problems. We co...

  • Article
  • Open Access
2 Citations
2,599 Views
20 Pages

27 December 2023

Freeze–thaw erosion is one of the three major soil erosions in China, including wind erosion and hydraulic erosion, which leads to the destruction of the natural environment, the imbalance of economic development, a threat to personal safety, a...

  • Article
  • Open Access
44 Citations
5,250 Views
18 Pages

Groundwater (GW) studies have been conducted worldwide with regard to several pressures, including climate change, seawater intrusion, and water overexploitation. GW quality is a very important sector for several countries in the world, in particular...

  • Article
  • Open Access
22 Citations
4,128 Views
24 Pages

Geospatial Modelling for Delineation of Crop Management Zones Using Local Terrain Attributes and Soil Properties

  • Roomesh Kumar Jena,
  • Siladitya Bandyopadhyay,
  • Upendra Kumar Pradhan,
  • Pravash Chandra Moharana,
  • Nirmal Kumar,
  • Gulshan Kumar Sharma,
  • Partha Deb Roy,
  • Dibakar Ghosh,
  • Prasenjit Ray and
  • Akbar Hossain
  • + 7 authors

27 April 2022

Defining nutrient management zones (MZs) is crucial for the implementation of site-specific management. The determination of MZs is based on several factors, including crop, soil, climate, and terrain characteristics. This study aims to delineate MZs...

  • Article
  • Open Access
13 Citations
3,216 Views
21 Pages

A New Approach to Investigate the Spatially Heterogeneous in the Cooling Effects of Landscape Pattern

  • Shuang Liu,
  • Xuefei Li,
  • Long Chen,
  • Qing Zhao,
  • Chaohui Zhao,
  • Xisheng Hu and
  • Jian Li

5 February 2022

Although many prior studies have found that landscape pattern significantly affects urban heat environment globally, the spatially heterogeneous in the cooling effects of landscape pattern remains poorly understood. In addition, most previous studies...

  • Feature Paper
  • Article
  • Open Access
17 Citations
3,493 Views
19 Pages

31 May 2023

Forests play an irreplaceable role in preserving soil and water, as well as realizing carbon neutrality. However, logging and urban expansion have caused widespread forest fragmentation globally, resulting in biodiversity loss and carbon emissions. T...

  • Article
  • Open Access
3,511 Views
20 Pages

8 September 2025

Due to the difficulty of achieving absolutely precise coaxial installation of measurement components, a coaxial error will occur between the measurement axis of the sensor and that of the electronic compass when conducting the measurement of the airb...

  • Article
  • Open Access
4 Citations
3,070 Views
16 Pages

25 June 2024

In Mexico, there is a deficit in the production of pine resin, because it relies on natural forests only. Therefore, it is necessary to select provenances and phenotypes of potential species such as P. oocarpa. The objective was to determine the diff...

  • Article
  • Open Access
17 Citations
5,546 Views
22 Pages

Principal Component Analysis (PCA)–Geographic Information System (GIS) Modeling for Groundwater and Associated Health Risks in Abbottabad, Pakistan

  • Tahir Ali Akbar,
  • Azka Javed,
  • Siddique Ullah,
  • Waheed Ullah,
  • Arshid Pervez,
  • Raza Ali Akbar,
  • Muhammad Faisal Javed,
  • Abdullah Mohamed and
  • Abdeliazim Mustafa Mohamed

5 November 2022

Drinking water quality is a major problem in Pakistan, especially in the Abbottabad region of Pakistan. The main objective of this study was to use a Principal Component Analysis (PCA) and integrated Geographic Information System (GIS)-based statisti...

  • Article
  • Open Access
64 Citations
10,278 Views
25 Pages

Groundwater nitrate contamination in the Central Valley (CV) aquifer of California is a ubiquitous groundwater problem found in various parts of the valley. Heavy irrigation and application of fertilizer over the last several decades have caused grou...

  • Article
  • Open Access
6 Citations
5,003 Views
15 Pages

GPS Coordinates for Modelling Correlated Herd Effects in Genomic Prediction Models Applied to Hanwoo Beef Cattle

  • Beatriz Castro Dias Cuyabano,
  • Gabriel Rovere,
  • Dajeong Lim,
  • Tae Hun Kim,
  • Hak Kyo Lee,
  • Seung Hwan Lee and
  • Cedric Gondro

9 July 2021

It is widely known that the environment influences phenotypic expression and that its effects must be accounted for in genetic evaluation programs. The most used method to account for environmental effects is to add herd and contemporary group to the...

  • Systematic Review
  • Open Access
23 Citations
6,523 Views
24 Pages

A Systematic Review of Joint Spatial and Spatiotemporal Models in Health Research

  • Getayeneh Antehunegn Tesema,
  • Zemenu Tadesse Tessema,
  • Stephane Heritier,
  • Rob G. Stirling and
  • Arul Earnest

With the advancement of spatial analysis approaches, methodological research addressing the technical and statistical issues related to joint spatial and spatiotemporal models has increased. Despite the benefits of spatial modelling of several interr...

  • Article
  • Open Access
16 Citations
10,391 Views
19 Pages

Characterizing the Spatial Determinants and Prevention of Malaria in Kenya

  • Sucharita Gopal,
  • Yaxiong Ma,
  • Chen Xin,
  • Joshua Pitts and
  • Lawrence Were

The United Nations’ Sustainable Development Goal 3 is to ensure health and well-being for all at all ages with a specific target to end malaria by 2030. Aligned with this goal, the primary objective of this study is to determine the effectivene...

  • Review
  • Open Access
53 Citations
16,847 Views
16 Pages

28 August 2020

Microbes are widespread and have been much more studied in recent years. In this review, we describe detailed information on airborne microbes that commonly originate from soil and water through liquid–air and soil–air interface. The comm...

  • Article
  • Open Access
27 Citations
5,515 Views
18 Pages

13 October 2020

The price of honey, as a highly consumed natural product, depends on its botanical source and its production environment, causing honey to be vulnerable to adulteration through mislabeling and inappropriate, fraudulent production. In this study, a fa...

  • Proceeding Paper
  • Open Access
2 Citations
1,275 Views
7 Pages

Argentina’s prominent global position in honey production is due to its extensive agroecological diversity. This study assessed the influence of geographical origin on the physicochemical properties of honeys from southeastern Entre Ríos...

  • Article
  • Open Access
4 Citations
2,855 Views
27 Pages

29 November 2024

The work concerns the fight against the decline and depopulation in the Inner Peripheries (IPs), a phenomenon taking place globally and throughout Europe, where it has reached an alarming dimension, causing regional disparities that threaten the achi...

  • Article
  • Open Access
17 Citations
5,079 Views
21 Pages

27 April 2018

Composite Indicators (CIs) recently earned popularity as decision-support tool in policy-making for their ability to give concise measures of complex phenomena. Despite growing diffusion of the use of CI in policy-making, current research has barely...

  • Article
  • Open Access
5,034 Views
28 Pages

3 June 2015

Search-centric, sample supervised image segmentation has been demonstrated as a viable general approach applicable within the context of remote sensing image analysis. Such an approach casts the controlling parameters of image processinggenerating s...

  • Article
  • Open Access
104 Citations
13,028 Views
17 Pages

A Remote Sensing Approach for Regional-Scale Mapping of Agricultural Land-Use Systems Based on NDVI Time Series

  • Beatriz Bellón,
  • Agnès Bégué,
  • Danny Lo Seen,
  • Claudio Aparecido De Almeida and
  • Margareth Simões

13 June 2017

In response to the need for generic remote sensing tools to support large-scale agricultural monitoring, we present a new approach for regional-scale mapping of agricultural land-use systems (ALUS) based on object-based Normalized Difference Vegetati...

  • Article
  • Open Access
26 Citations
7,287 Views
17 Pages

7 October 2017

Changes in irrigation water-use efficiency are related closely to agricultural development. Clarifying the driving factors of irrigation water-use efficiency change at different agricultural development stages is beneficial for buffering the contradi...

  • Article
  • Open Access
2 Citations
1,290 Views
20 Pages

22 June 2025

The Hindu Kush–Himalaya (HKH) region is an essential component of the global ecosystem, playing a crucial role in global climate regulation and ecological balance. This study employed a remote sensing ecological index (RSEI) with Geodetector to...

  • Article
  • Open Access
751 Views
17 Pages

15 June 2025

Caryopteris incana (Thunb. ex Houtt.) Miq., an endangered species native to western Kyushu, Japan, forms locally isolated populations. In our previous studies, we conducted a distribution survey of 109 populations across four regions and performed ph...

  • Article
  • Open Access
979 Views
21 Pages

19 May 2025

China is presently placing significant emphasis on sustainable urbanization as a means to facilitate the shift towards high-quality economic development. The concept of sustainable urbanization has gained added intricacy and depth within the framewor...

  • Article
  • Open Access
16 Citations
6,194 Views
12 Pages

Characterization of Musts, Wines, and Sparkling Wines Based on Their Elemental Composition Determined by ICP-OES and ICP-MS

  • Biel Granell,
  • Anaïs Izquierdo-Llopart,
  • Àngels Sahuquillo,
  • José F. López-Sánchez and
  • Javier Saurina

Samples from the different processing stages in the elaboration of sparkling wine (cava)—including must, base wine, and sparkling wine—of Pinot Noir and Xarel·lo grape varieties from different vineyard qualities (A, B, C, D) have b...

  • Article
  • Open Access
1,076 Views
14 Pages

Floristic Analysis of Vascular Plants in the Ziwuling Mountains, Shaanxi Province

  • Shuyue Ma,
  • Fangfang Qiang,
  • Guangquan Liu,
  • Changhai Liu,
  • Chongyan Bai and
  • Ning Ai

23 March 2025

A study was conducted on the vascular floras of the Ziwuling Mountains in Shaanxi Province to establish a foundational database, providing data support for the conservation and utilization of the Ziwuling Mountains’ plant diversity resources. B...

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