Results 211 to 220 of about 40,549 (251)

Construction of landscape ecological network based on landscape ecological risk assessment in a large-scale opencast coal mine area

Journal of Cleaner Production, 2021
Abstract The comprehensive effect of multi-source factors changes the landscape structure and reduces the quality of landscape ecology in large-scale opencast coal mine area, resulting in an ecologically fragile environment. Landscape ecological quality directly affects the flow and transmission of ecological functions, which is an important factor ...
Jinman Wang, Sijia Li
exaly   +2 more sources

Landscape ecological risk assessment in Qinling Mountain

Geological Journal, 2018
In this paper, landscape ecological risk in Qinling Mountain was studied. Using the remote sensing images of Landsat TM and DEM data in 1984, 2000, 2005, and 2014, an ecological risk assessment model was constructed, and landscape ecological risk indexes were calculated for four time periods 1984, 2004, 2005 and 2014.
Lu Cui, Yonghua Zhao, Jianchao Liu
exaly   +2 more sources

Linking ecological degradation risk to identify ecological security patterns in a rapidly urbanizing landscape

Habitat International, 2018
Abstract Ecological security patterns (ESPs) aim to provide an effective spatial approach for maintaining urban ecological security based on the relationship between landscape patterns and ecological processes. However, the methods of selecting ecological security sources and evaluating resistance surfaces for ESPs construction are not well developed
Jian Peng, Yanxu Liu, Yanglin Wang
exaly   +2 more sources

Ecosystem services, landscape pattern, and landscape ecological risk zoning in China

Environmental Science and Pollution Research, 2022
Ecosystem services represent a bridge between natural ecosystems and human well-being and are closely associated with landscape ecological risk (LER). Delimiting reasonable LER areas is important for ecosystem protection, and it is essential to link ecosystem services to LER zoning.
Jiaojiao Bian, Wanxu Chen, Jie Zeng
openaire   +2 more sources

Using landscape ecology to focus ecological risk assessment and guide risk management decision-making

Toxicology and Industrial Health, 2001
Ecological risk assessment (EcoRA) generally suffers from limited application of ecological knowledge in the definition and characterization of real-world sites. Not surprisingly, most remediation decisions, which follow, have little or no relationship to the valued ecological resources of the site or the broader region.
L A, Kapustka, H, Galbraith, B M, Luxon, J, Yocum   +3 more
openaire   +2 more sources

Riverine landscape dynamics and ecological risk assessment

Freshwater Biology, 2002
1. The aim of ecological risk assessments is to evaluate the likelihood that ecosystems are adversely affected by human‐induced disturbance that brings the ecosystem into a new dynamic equilibrium with a simpler structure and lower potential energy. The risk probability depends on the threshold capacity of the system (resistance) and on the capacity of
ROB S. E. W. LEUVEN, ISABELLE POUDEVIGNE
openaire   +1 more source

Landscape Ecological Risk Assessment of the Shiyang River Basin

2013
It is significant to make a reasonable assessment of ecological risk to optimize the landscape pattern, establish the ecological risk alarm mechanisms, minimize the risk of ecological environment and maintain the ecological function in river basin. The study, based on the remote sensing data of 1987, 2000 and 2010, the study chooses the typical arid ...
Xuebin Zhang, Peiji Shi, Jun Luo
openaire   +1 more source

Ecological Risk Assessment Through Landscape Science Approaches

2004
Risk assessment of landscape biological integrity, associated with ecotypes or ecotype mosaics, is addressed by simple multi-scale conceptual models incorporating metrics related to current human disturbance, based on native species most threatened with extinction and reduction.
ZURLINI, Giovanni, O. ROSSI, A. FERRARINI, P. ROSSI, ZACCARELLI, NICOLA, PETROSILLO, IRENE   +5 more
openaire   +3 more sources

Landscape ecological risk assessment study in arid land

SPIE Proceedings, 2007
The ecosystem risk assessment is an essential decision making system for predicting the reconstruction and recovery of a damaged ecosystem after intensive mankind activities. The sustainability of environment and resources of the lake ecosystem in arid districts have been paid close attention to by international communities as well as numerous ...
Lu Gong, Aniwaer Amut, Qingdong Shi, Gary Z. Wang   +3 more
openaire   +1 more source