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Collaborative management of hydrological ecosystem services: a multilevel social network analysis of a Mexican watershed.
Environ Manage
December 2024
Centro de Estudios Demográficos, Urbanos y Ambientales, El Colegio de México A.C., Mexico City, Mexico.
Collaborative management of hydrological ecosystem services (HES) is crucial for their conservation and involves diverse stakeholders at three levels: environmental and land-use management (ELM), harvesting and physical access (HPA), and appropriation and appreciation (AA). This study analyzes collaborative networks within and between these levels in the Copalita-Huatulco watershed, Mexico, using a monoplex and multiplex social network approach to understand stakeholder interactions. Results indicate that the ELM and AA networks are diverse and polycentric, with NGOs occupying an influential role.
View Article and Find Full Text PDFFeasibility and safety of transvaginal natural orifice transluminal endoscopic surgery (V-NOTES) panhysterectomy: a polycentric retrospective study.
Eur J Med Res
December 2024
Department of Gynecology, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou, 213000, People's Republic of China.
Objectives: To investigate the feasibility and safety of Transvaginal Natural Orifice Transluminal Endoscopic Surgery (V-NOTES) panhysterectomy.
Methods: A retrospective analysis was conducted on the data of 75 patients who underwent panhysterectomy for hysteromyoma in the Department of Obstetrics and Gynecology of Tongxiang Maternal and Child Health Hospital; Department of Gynecology, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University and Department of Gynecology, The First Affiliated Hospital of USTC from June 2019 to June 2020. According to the operation mode, the patients were divided into two groups: the traditional multi-port laparoscopic surgery (MPLS) group (n = 45) and the Transvaginal Natural Orifice Transluminal Endoscopic Surgery (V-NOTES) group (n = 30).
The driving effect of polycentric city network on the coordinated development of regional economy in Bohai Rim region of China.
Heliyon
December 2024
School of Economics and Management, Shandong Jiaotong University, Jinan, Shandong Province, 250399, China.
Using social network analysis and spatial Dubin model, this study analyzes the data from the Bohai Rim Economic Zone between 2003 and 2019 and examines the driving effect and mechanism of polycentric urban networks on the regional economic coordination of the Bohai Rim Economic Zone of China from the perspective of combining agglomeration externality and network externality. The results show that: There is a positive correlation between the polycentric degree of the city network in the Bohai Rim Region and its coordinated economic development level; After controlling the classical production factors such as physical capital, non-central cities narrow the gap between their per capital income level and the central cities, and produce positive spatial spillover effects by increasing the relative node centrality in the process of embedding in the polycentric urban network; On the whole, small and medium-sized cities gain node agglomeration growth effect, medium-sized cities play a positive spillover effect, and large cities with node centers play a long wave radiation effect, breaking through geographical proximity-these three factors are interlocked. This research offers pivotal insights for refining the spatial configuration of the Bohai Economic Rim.
View Article and Find Full Text PDFA compact and cost-effective gait simulator to advance prosthesis development with reduced reliance on human subject testing: Development, validation and application.
Med Eng Phys
December 2024
Department of Mechanical Engineering, IIT Madras, Chennai, India. Electronic address:
Gait simulators play a crucial role in assessing the performance of physical prototypes of prosthetic knees, validating numerical simulation findings, and reducing dependency on user trials during prosthesis development. However, their practical application is limited because of substantial capital investment required for sophisticated high degrees-of-freedom (DOF) system development on one side and insufficient DOF for accurate simulation on the other. In this study, we evaluated the minimum DOF of thigh segment that a gait simulator should have to test the performance of prosthetic knees in a cost-effective manner.
View Article and Find Full Text PDFHow does regional cooperation affect green total factor productivity?-Evidence from the Guangdong-Hong Kong-Macao Greater Bay area in China.
Heliyon
October 2024
Public Governance Institute, Katholieke Universiteit Leuven (KU Leuven), Leuven, Belgium.
As a key regional development strategy, regional cooperation affects the sustainable development of city-regions. This study uses social network analysis, spatial analysis, and negative binomial regression analysis to investigate the impacts of regional cooperation on green total factor productivity (GTFP) in the Guangdong-Hong Kong-Macao Greater Bay Area (GBA). The main findings are as follows.
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