Kun Zhang

ORCID: 0000-0002-2317-1705
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About
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Research Areas
  • Remote Sensing in Agriculture
  • Land Use and Ecosystem Services
  • Peatlands and Wetlands Ecology
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Coastal wetland ecosystem dynamics
  • Remote Sensing and Land Use
  • Fish Ecology and Management Studies
  • Species Distribution and Climate Change
  • Soil and Water Nutrient Dynamics
  • Aquatic Invertebrate Ecology and Behavior
  • Remote Sensing and LiDAR Applications
  • Environmental Changes in China
  • Freshwater macroinvertebrate diversity and ecology
  • Plant Water Relations and Carbon Dynamics
  • Marine and coastal ecosystems
  • Ichthyology and Marine Biology
  • Coral and Marine Ecosystems Studies
  • Aquaculture disease management and microbiota
  • Forest Insect Ecology and Management
  • Constructed Wetlands for Wastewater Treatment
  • Video Surveillance and Tracking Methods
  • Plant Ecology and Soil Science
  • Ecology and Vegetation Dynamics Studies
  • Atmospheric and Environmental Gas Dynamics
  • UAV Applications and Optimization

Jiangsu Normal University
2022-2024

Chinese Academy of Sciences
2022-2024

Southwest Forestry University
2018-2024

University of Hong Kong
2023-2024

Institute of Information Engineering
2024

Huaibei Normal University
2015-2023

Hefei University of Technology
2023

China University of Geosciences (Beijing)
2023

Shandong Jianzhu University
2023

Nuclear and Radiation Safety Center
2023

Net ecosystem productivity (NEP) is an important indicator for estimating regional carbon sources/sinks. The study focuses on a comprehensive computational simulation and spatiotemporal variation of the NEP in Yellow River basin from 2000 to 2020 using NPP data products MODIS combined with quantitative estimation model followed by analysis characteristics dynamic procession persistence based meteorological land use data. results show that: (1) total had overall increasing trend 2020,...

10.3390/rs15020323 article EN cc-by Remote Sensing 2023-01-05

Wetlands on the Qinghai-Tibetan Plateau (QTP) perform a dazzling array of vital ecological functions and are one most fragile ecosystems in world. Timely accurate information describing wetland resources their changes over time is becoming more important protection conservation. By using remote sensing data, this study intended to investigate spatial distribution temporal variations wetlands QTP at different watershed scales from 1970s 2010s. Results show that have undergone widespread...

10.1007/s11769-018-1003-1 article EN Chinese Geographical Science 2018-11-08

Under the interaction between freshwater and seawater, estuary wetland has obvious periodic flooding characteristics salt gradient change, thus showing diversified ecological service functions. Based on measured data of salinity in field, monitoring river hydrology, tidal process elevation geomorphology, spatial pattern distribution dynamic boundary its area range fresh-salt water zone (FSIZ) Yellow River Delta were studied. The results showed that wetlands ranged from 0.40 g L−1 to 26.67...

10.1016/j.ecoleng.2023.106893 article EN cc-by-nc-nd Ecological Engineering 2023-01-12

The prevalence of multidrug resistance among clinically significant bacteria calls for the urgent development new antibiotics with novel mechanisms action. In this study, a small molecule exhibiting excellent inhibition bacterial cell division potent antibacterial activity was discovered through cell-based screening. compound exhibits broad spectrum bactericidal activity, including methicillin-resistant Staphylococcus aureus, vancomycin-resistant Enterococcus and NDM-1 Escherichia coli. in...

10.3389/fmicb.2017.00855 article EN cc-by Frontiers in Microbiology 2017-05-11

A regular, dense time series of the normalized difference vegetation index (NDVI) is a crucial remote sensing parameter that provides insights into growth status plants across different temporal and spatial scales. However, production high-resolution, equal-interval, dense-time-series NDVI products currently faces technical challenges, limiting their application in agriculture forestry-related fields. This study proposes new method for reconstructing Sentinel-2 based on spatiotemporal...

10.1016/j.ecoinf.2024.102725 article EN cc-by-nc-nd Ecological Informatics 2024-07-15

The growth and development of phytoplankton are influenced by physico-chemical parameters, which can also affect the spatial distribution community structure. However, it is unclear whether environmental heterogeneity caused multiple factors its functional groups. In this study, we investigated seasonal variation structure relationships with in Lake Chaohu from August 2020 to July 2021. We recorded a total 190 species 8 phyla, were divided into 30 groups, including 13 dominating average...

10.1007/s11356-023-28043-5 article EN cc-by Environmental Science and Pollution Research 2023-06-06

Panax notoginseng is second only to ginseng in the Chinese traditional medicine industry. It has extremely high economic value and medicinal value. However, due unsustainable planting characteristics of P. notoginseng. The original area been exhausted, so gradually expanded other areas, also changing. Based on Sentinel-2 Landsat 8 OLI remote sensing image data from 2018 2021, study used Google Earth engine Random Forest classification analyze spatial distribution information areas Kaiyuan...

10.1117/1.jrs.17.018501 article EN Journal of Applied Remote Sensing 2023-01-13

Abstract Mitochondrial 16S rDNA and CO I gene were used as molecular markers for the analysis of genetic diversity differentiation Daphnia galeata populations in nine water bodies middle lower reaches Yangtze River. In combined sequences, 54 variable sites 44 haplotypes observed among 219 individuals belonging to D. populations. Average haplotype nucleotide were, respectively, 0.72% 0.56%. The F ‐statistics ( ST ) value was 0.149. According results neutral test, River had experienced a...

10.1002/ece3.5737 article EN cc-by Ecology and Evolution 2019-10-22

To protect and restore this downstream ecosystem, the Tarim River Basin Administration Bureau (TBAB) initiated Ecological Water Compensation (EWC) project from 2000 to 2018. Revealing mechanism of vegetation-hydroecological response processes in lower reaches before after EWC work is conducive water resource planning, utilization protection. In paper, spatiotemporal responses vegetation groundwater were examined at points, lines, area (PLA) scale by coupling remote sensing techniques field...

10.3390/rs14225855 article EN cc-by Remote Sensing 2022-11-18

A regular time series of Normalized Difference Vegetation Index (NDVI) is a crucial remote sensing indicator parameter that provides insights into the growth status plants across different temporal and spatial scales. However, production high-resolution dense NDVI products currently encounters technical challenges, limiting their application in agriculture forestry-related fields. This paper proposes new method for reconstructing Sentinel-2 based on spatiotemporal optimal weighted...

10.2139/ssrn.4695954 preprint EN 2024-01-01

Estuarine wetlands exhibit significant interaction between fresh and salt water, with long-term carbon sequestration capability. We set up 60 sampling sites in the reed of fresh-salt water zone Yellow River Estuary, covering four different zones weak-intensity (WIZ), medium-intensity (MIZ), high-intensity (HIZ) strong-intensity (SIZ). investigated how affected spatial variation soil organic (SOC) storage. The results showed that area wetland accounted for 17.8% total which mainly distributed...

10.13287/j.1001-9332.202402.031 article EN PubMed 2024-02-01

The collaborative use of camera near-field sensors for monitoring the number and status tourists is a crucial aspect smart scenic spot management. This paper proposes perception technical system that achieves dynamic accurate detection tourist targets in mountainous areas, addressing challenges real-time passive safety management tourists. framework involves following steps: Firstly, video stream signals are collected from multiple cameras to create distributed network. Then, YOLOX network...

10.3390/ijgi13100370 article EN cc-by ISPRS International Journal of Geo-Information 2024-10-20

In this study, the complete sequence of mitochondrial (mt) genome Buteo buteo burmanicus was determined. This mitogenome 18,231 bp in length, containing 13 protein-coding genes, 2 rRNA 22 tRNA a control region (CR) and pseudo-control (ψCR). The overall base composition heavy strand A, 30.8%; G, 13.2%; C, 31.8%; T, 24.2%, with slight AT bias 65.1%. mitogenomic data may provide more informative for phylogenetic approach soft corals phylogeny especially species.

10.3109/19401736.2014.958719 article EN Mitochondrial DNA Part A 2014-09-11

ABSTRACTTo improve the accuracy of detecting changes in remote sensing time series, an improved algorithm based on combination antileakage least-squares spectral analysis (ALLSSA) and breakpoints estimating segments trends (DBEST) is proposed applied. The method uses ALLSSA to decompose series identify trend components series. Then, segmentation mechanism DBEST used detect component. In this paper, evaluated using a simulated data set, set with multiple change points, moderate resolution...

10.1080/01431161.2023.2249605 article EN International Journal of Remote Sensing 2023-08-29
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