An intra-annual 30-m dataset of small lakes of the Qilian Mountains for the period 1987–2020

Li, Chao; Zhang, Shiqiang; Zhang, Dahong; Zhou, Gang

doi:10.1038/s41597-023-02285-x

Cited by 4 publications

(7 citation statements)

References 69 publications

(123 reference statements)

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“…The temperature is warm which is relatively distributed throughout the year with mean annual rainfall ranging from 900 mm to 1050 mm. The vegetation falls within the Sudan Savanna belt of Nigeria and is best referred to as combretaceous woodland savanna [11,12]. The Senatorial District consists of Five Local Governments namely; Mubi-North, Mubi-South, Maiha, Michika and Madagali.…”

Section: Study Areamentioning

confidence: 99%

Prevalence of Onchocerca volvulus among apparently healthy population in Adamawa-north senatorial zone

Usman,

Mohammed,

Barka

et al. 2024

Cell. Mol. Biomed. Rep.

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Onchocerciasis is one of the tropical neglected diseases that is still prevalent in Nigeria. The disease is of considerable socio-economic and public health importance with a lot of implications. Therefore, this study aimed to determine the prevalence of human onchocerciasis in five communities of the Northern Senatorial District of Adamawa State, Nigeria. A total of 629 study subjects were randomly selected and enrolled for the study. Skin snip and venous blood were collected from 196 and 433 study subjects respectively and examined for microfilaria of Onchocerca volvulus. Results obtained showed an overall of 3.4% infection while different Local Government Areas had different distribution patterns vis-a-viz percentages. Mubi had the highest percentage of 32.4% infection followed by Michika at 2.5% and the least was Madagali with Zero prevalence. Among different occupational groups, students had 7.8% infection, farmers had 3.4%, and other groups had zero prevalence. As per the age bracket, 10-19 years had 9.1% infection followed by 50-59 years (5.0%), and the least was 60-70 years with 1.9%. The Northern Senatorial District population needs to be educated on the disease onchocerciasis as the infection rate is rather increasing or near status with modern-day technology. The government and Non-Governmental Organizations may come in to assist in lowering the infection rate by providing or identifying specific clinics for the treatment or providing preventive drugs free.

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Section: Study Areamentioning

confidence: 99%

Prevalence of Onchocerca volvulus among apparently healthy population in Adamawa-north senatorial zone

Usman,

Mohammed,

Barka

et al. 2024

Cell. Mol. Biomed. Rep.

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“…Therefore, the QMR was divided into six basins to reveal the spatio-temporal patterns and driving mechanisms of SLWBs in each basin. The six basins include the Danghe River and Shule River (DSB), Shiyang River and Datong River Basin (SDB), Beida River and Heihe River Basin (BHB), Haleteng River and Bayinguole River Basin (HBB), Hala Lake Basin (HLB), and Qinghai Lake Basin (QLB) [40].…”

Section: Study Areamentioning

confidence: 99%

“…For instance, a threshold of 100% denotes that one Landsat pixel observed during a specific year is identified as a water body. This database has been validated for accuracy and has a high precision [40]. More descriptions can be found in Li et al [40].…”

Section: Data Sourcesmentioning

confidence: 99%

“…This database has been validated for accuracy and has a high precision [40]. More descriptions can be found in Li et al [40].…”

Section: Data Sourcesmentioning

confidence: 99%

“…Details of the intra-annual waterbody frequency calculation can be found in Li et al [40]. Waterbody pixels in the SLWB database were categorized as ephemeral water bodies if waterbody frequency was greater than 0% but less than or equal to 25% [40,50].…”

Section: Trend Analysis Of Slwbsmentioning

confidence: 99%

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The Spatio-Temporal Changes of Small Lakes of the Qilian Mountains from 1987 to 2020 and Their Driving Mechanisms

Zhang

Chen

et al. 2023

Remote Sensing

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Small lakes (areas ranging from 0.01 km2 to 1 km2) are highly sensitive to climate change and human activities. However, few studies have investigated the long-term intra-annual trends in the number and area of small lakes and their driving mechanisms in the Qinghai–Tibet Plateau (QTP). As a significant water tower in northwest China, the Qilian Mountains region (QMR) in the QTP is essential for sustaining regional industrial and agricultural production, biodiversity, and human well-being. We conducted an analysis of the dynamics of small lakes in the QMR region. In this study, we employed Geodetector and examined nine factors to investigate the driving mechanisms behind the long-term variations in the small lake water bodies (SLWBs). We specifically focused on understanding the effects of single-factor and two-factor interactions. The results indicate that the number and area of small lakes had a fluctuating trend from 1987 to 2020. Initially, there was a decrease followed by an increase, which was generally consistent with trends in the large lakes on the QTP. All basins had far more expanding than shrinking lakes. The area of seasonal SLWBs in each basin was increasing more rapidly than permanent SLWBs. The distribution and trends in the area and number of small lakes varied widely across elevation zones. Runoff, snow depth, and temperature contributed the most to SLWB changes. Human activities and wind speed contributed the least. However, the main drivers varied across basins. The impact of two-factor interactions on SLWB changes in basins was greater than that of single factors. Our results provide useful information for planning and managing water resources and studies of small lakes.

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Unveiling the hidden dynamics of intermittent surface water: A remote sensing framework

Xiao,

Li,

Ding

et al. 2024

Remote Sensing of Environment

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An intra-annual 30-m dataset of small lakes of the Qilian Mountains for the period 1987–2020

Cited by 4 publications

References 69 publications

Prevalence of Onchocerca volvulus among apparently healthy population in Adamawa-north senatorial zone

Prevalence of Onchocerca volvulus among apparently healthy population in Adamawa-north senatorial zone

The Spatio-Temporal Changes of Small Lakes of the Qilian Mountains from 1987 to 2020 and Their Driving Mechanisms

Unveiling the hidden dynamics of intermittent surface water: A remote sensing framework

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