Results 21 to 30 of about 16,947,670 (194)

Identification of Urban Ecological Corridors and Key Nodes in Dongguan City from Waterfowls-Friendly Perspective

open access: yesShuitu baochi tongbao, 2023
[Obiective] The spatial distribution pattern of waterfowl ecological corridors in Dongguan City, Guangdong Province were studied in order to provide a realistic basis for its ecological restoration. [Methods] We considered waterfowl as the key species of
Cui Jianming   +4 more
doaj   +1 more source

Resistance of a compartmented surface-effect ship [PDF]

open access: yes, 2010
A series of carefully controlled experiments on the resistance of a model of a compartmented surface-effect ship has been conducted in a towing tank. Configurations of the model included cases encompassing one subcushion and two subcushions, as well as ...
Day, Alexander   +3 more
core   +3 more sources

Promoting landscape connectivity of highly urbanized area: An ecological network approach

open access: yesEcological Indicators, 2021
Ecological infrastructure is a popular framework for conservation planning. In this paper, one of the most urbanized regions of China-Shenzhen was chosen as the study area.
Shuang Wang   +5 more
doaj   +1 more source

Balancing Urban Expansion and Ecological Connectivity through Ecological Network Optimization—A Case Study of ChangSha County

open access: yesLand, 2023
The counties have experienced urban expansion and landscape pattern fragmentation. As carriers of new urbanization, the balanced development between urban expansion and landscape connectivity in the counties needs to be emphasized.
Shaobo Liu   +8 more
doaj   +1 more source

Construction and Optimization of Ecological Network Based on Landscape Ecological Risk Assessment: A Case Study in Jinan

open access: yesLand, 2023
Due to the rapid development of urbanization, land-use types have changed greatly, which has led to many ecological problems. Therefore, the current research objective is to solve the problems in existence in Jinan, so as to determine the existing ...
Xvlu Wang   +3 more
doaj   +1 more source

Involvement of hpap2 and dgkA Genes in Colistin Resistance Mediated by mcr Determinants

open access: yes, 2020
Plasmid-mediated colistin resistance (mcr) determinants are challenging the efficacy of polymyxins against Gram-negative pathogens. Among 10 mcr genes described so far, the major determinants mcr-1 and mcr-3 are found closely linked to hpap2 or dgkA ...
Alberto Quesada   +6 more
core   +1 more source

Spatial identification and optimization of ecological network in desert-oasis area of Yellow River Basin, China

open access: yesEcological Indicators, 2023
Scientific layout of ecological network is a basic guarantee for regional environmental protection and ecological restoration given the influence of global ecosystem changes, which is one of the important national strategies for coordinating ecosystem ...
Huiyuan Guan   +4 more
doaj   +1 more source

Genomic Insights into a Colistin-Resistant Uropathogenic Escherichia coli Strain of O23:H4-ST641 Lineage Harboring mcr-1.1 on a Conjugative IncHI2 Plasmid from Egypt

open access: yes, 2021
The reintroduction of colistin, a last-resort antibiotic for multidrug-resistant pathogens, resulted in the global spread of plasmid-mediated mobile colistin resistance (mcr) genes.
Azza S. Zakaria   +2 more
core   +1 more source

A link between the newly described colistin resistance gene mcr-9 and clinical Enterobacteriaceae isolates carrying bla(SHV-12) from horses in Sweden

open access: yes, 2020
Objectives: The aim of this study was to investigate the occurrence of the newly described transferable colistin resistance gene mcr-9 in extended-spectrum beta-lactamase (ESBL)-producing clinical Enterobacteriaceae isolates from horses in Sweden ...
Börjesson, Stefan   +11 more
core   +1 more source

Research on an Analytical Framework for Urban Spatial Structural and Functional Optimisation: A Case Study of Beijing City, China

open access: yesLand, 2021
A number of severe ecological problems, and the altered structure of urban spaces, are ascribed to rapid urbanisation. Hence, an analytical framework for urban spatial structure and functional optimisation is highly beneficial to balance the ...
Wenting Zhang, Bo Li
doaj   +1 more source

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