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Ecological network construction and optimization in Guangzhou from the perspective of biodiversity conservation by Minyan Qian; Yuting Huang; Yarong Cao; Juanyu Wu; Yongmei Xiong is a Environmental Science article available to read on EtoBox.

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Rapid urbanization has resulted in fragmentation and decreased connectivity in urban landscapes, endangering regional biodiversity conservation and high-quality, sustainable development. networks (ENs) construction and optimization is a critical technique to enhance landscape connectivity effectively, promote species interaction and dispersal, and thereby hence urban biodiversity., most existing studies on ENs construction have been undertaken from the perspective of ecosystem service functions or the value of landscape structure, with regional species still being overlooked. on the distribution data of critical species in this study, the maximum entropy model (MaxEnt), wilderness mapping model, and granularity reverse method were integrated to identify ecological sources. the habitat quality (HQ) index was utilized to construct a resistance surface modified by landscape connectivity and ecological sensitivity. findings indicate that: (1) a grid scale of 1700 m is the relatively optimal minimum threshold for ecological source sites in Guangzhou; (2) 35 crucial ecological sources in Guangzhou are identified, with a total area of 1100.42 km2, mainly woodlands, distributed in mountain

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Author

Minyan Qian; Yuting Huang; Yarong Cao; Juanyu Wu; Yongmei Xiong

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)