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Ecological Indicators 

Integrating Sciences for Monitoring, Assessment and Management
ScienceDirect Publication: Ecological Indicators
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Uncertainty analysis of impact factors of eco-environmental vulnerability based on cloud theory
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Hongyang Zhang, Tongtong Wang, Zelin Ding, Xianqi Zhang, Liwei HanAbstractThis paper studied water source area of the Central Line Project of South-to-North Water Diversion. It built an assessment indicators system on eco-environmental vulnerability of water source area which includes four levels target layer, effect layer, state layer and response layer. Aiming at the uncertainties of experts score on effect layer, state layer and response layer in the analysis and evaluation of eco-environmental vulnerability...
Coupled carbon and silicon cycling and characteristics in a subtropical watershed, China
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Yao Lu, Yang Gao, Ning Han, Yunxian Yan, Zixia Xie, Junjie Jia, Zhuo HaoAbstractSilicon (Si) and carbon (C) can couple at different timescales. Phytolith carbon fixation and silicate weathering are two key processes of this type of coupling. Silicate rock weathering sequesters CO2 and thus generates a net C sink, which is one way that C is removed from ecosystems. This study selected the Xiangxi River watershed as the research object, which is characteristic of typical watersheds found in subtropical regions...
Indicators and benchmarks for wind erosion monitoring, assessment and management
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Nicholas P. Webb, Emily Kachergis, Scott W. Miller, Sarah E. McCord, Brandon T. Bestelmeyer, Joel R. Brown, Adrian Chappell, Brandon L. Edwards, Jeffrey E. Herrick, Jason W. Karl, John F. Leys, Loretta J. Metz, Stephen Smarik, John Tatarko, Justin W. Van Zee, Greg ZwickeAbstractWind erosion and blowing dust threaten food security, human health and ecosystem services across global drylands. Monitoring wind erosion is needed to inform management, with explicit monitoring objectives being critical for interpreting...
Long-term empirical monitoring indicates the tolerance of the giant panda habitat to climate change under contemporary conservation policies
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Ting Li, Peng Luo, Chuan Luo, Hao Yang, Yuejiao Li, Dandan Zuo, Qinli Xiong, Li Mo, Chengxiang Mu, Xiaodong Gu, Shiqiang Zhou, Jinyan Huang, Honglin Li, Sujuan Wu, Weiqing Cao, Yubo Zhang, Mengjun Wang, Jiali Li, Yin Liu, Peijun GouAbstractClimate change has been predicted as a major threat to giant panda habitat. While modelling prediction of the impact of climate change on habitat quality may overlook or underestimate biological interactions and adaptations, long-term monitoring is therefore essential approach...
Lake eutrophication recovery trajectories: Some recent findings and challenges ahead
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Jian Zhao, Qiusheng Gao, Qingqing Liu, Guo FuAbstractControlling nutrient inputs has allowed many lakes and several river, estuarine and coastal ecosystems to recover rapidly from eutrophication. In some systems, however, recovery has been slow or negligible. The broad changes in environmental conditions could in many cases be responsible for the observed delays in recovery. We proposed three basic scenarios and seven different trajectory modes of lake eutrophication recovery. Monitoring data from six lake...
Elevation-dependent effects of growing season length on carbon sequestration in Xizang Plateau grassland
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Jian Tao, Jinwei Dong, Yangjian Zhang, Xiuqin Yu, Geli Zhang, Nan Cong, Juntao Zhu, Xianzhou ZhangAbstractInterannual variations in terrestrial carbon sequestration are jointly controlled by vegetation phenology and physiological activity. However, it remains unclear how this joint control varies with elevation in alpine ecosystems. To explore the relationships among these factors in Xizang Plateau grassland during 1981–2014, we used the remotely sensed total enhanced vegetation index (EVI) during the growing...
Qinghai spruce (Picea crassifolia) and Chinese pine (Pinus tabuliformis) show high vulnerability and similar resilience to early-growing-season drought in the Helan Mountains, China
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Xiaomin Zeng, Chunfei Wei, Xiaohong Liu, Lingnan ZhangAbstractUnderstanding the mechanisms for how tree growth responds to drought is important for forest conservation and management in semi-arid regions, particularly under ongoing climate change. However, most previous studies have been relied on linear statistical analysis, unsupported by insights into tree physiological processes. In this study, we applied process-based Vaganov–Shashkin (VS) model to investigate the stem radial growth response and...
Subsurface chlorophyll maxima in the North Eastern Arabian sea: Simulation on impact of warming
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): H. Midhun shah, B.R. Smitha, A.A. Mohamed Hatha, M. SudhakarAbstractStratified tropical oceanic systems are in general observed with Subsurface Chlorophyll Maxima (SCM), which was identified as light adaptation of shade-loving picophytoplankton groups. Apart from the light adaptation strategies of phytoplankton, the physical properties of water masses have significant role to hold the phytoplankton in particular layers. The present study gives theoretical explanation on the influence of fluid properties of water...
Integrated fuzzy, AHP and GIS techniques for land suitability assessment in semi-arid regions for wheat and maize farming
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Ahmad Reza Pilevar, Hamid Reza Matinfar, Akbar Sohrabi, Feridon SarmadianAbstractThe accurate evaluation of land suitability for special agriculture production plays an important role to decrease the negative environmental impacts. The current study aimed to apply fuzzy set, AHP and GIS techniques for analyzing land suitability to wheat and maize production in 5474.27 ha of saline and calcareous soils located in semi-arid regions, east of Iran. The conditioned Latin hypercube sampling approach was applied to...
Greening and browning of the coastal areas in mainland China: Spatial heterogeneity, seasonal variation and its influential factors
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Ziqi Meng, Min Liu, Chanchan Gao, Yang Zhang, Qiannan She, Lingbo Long, Yue Tu, Yixuan YangAbstractReliable detection and attribution of vegetation variations is a prerequisite for the development of sustainable ecosystem management strategies. Vegetation in coastal areas plays an important role in stabilizing the surface against wind erosion and provides habitat for wildlife. In this study, we analyzed the spatial heterogeneity and seasonal variation trend of greening or browning in coastal areas of mainland...
Who achieves the efficiency? A new approach to measure “local energy efficiency”
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Roberta Arbolino, Raffaele Boffardi, Luisa De Simone, Giuseppe IoppoloAbstractThe basic idea of this paper is that an efficient energy planning requires a deepened awareness of the state of place. By considering the complexity of this issue - that involves both production, consumption, impacts on the environment and policy aspects - a multidimensional analysis should be implemented. The aim of the study is to propose an innovative approach for achieving increased efficiency energy by reducing the existent...
Global trends and challenges in multimetric indices of biological condition
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Renata Ruaro, Éder André Gubiani, Robert M. Hughes, Roger Paulo MormulAbstractThe use of multimetric indices (MMIs) of biological condition has been globally applied because they are practical tools that incorporate various biological metrics at different levels of ecological organization. However, the methods for developing and evaluating MMIs have been criticized. We reviewed the scientific literature to assess global processes for MMI creation and validation. We found a lack of common criteria for metric...
Groundwater potential assessment of an alluvial aquifer in Yamuna sub-basin (Panipat region) using remote sensing and GIS techniques in conjunction with analytical hierarchy process (AHP) and...
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Lakhvinder Kaur, Madhuri S Rishi, Gagandeep Singh, Som Nath ThakurAbstractThe economic and population growth worldwide are moving once invisible resource, “groundwater” into the headlines. The importance of groundwater in India can be realised from the fact that the majority of the irrigated food production is dependent on it. In Haryana state of India, where the present study has been conducted, the groundwater draft is more (13.9 × 109 m3) against the net availability of recharge (10.3 × 109 m3...
Evaluating the effects of forest fire on water balance using fire susceptibility maps
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): K. Venkatesh, K. Preethi, H. RameshAbstractSudden and long term changes in the landscape can be attributed to periodic wildfires which, is a cyclic occurrence at Kudremukh national forest in Western Ghats of India. These land-use changes influence the hydrology of landscape, causing disintegration of soil, loss of biodiversity, changes in stream and flooding. To understand and account for these land-use changes, a new approach was implemented by developing fire susceptibility map from topographic, climatic and...
Assessment of spatial and temporal variation of ecological environment quality in Ebinur Lake Wetland National Nature Reserve, Xinjiang, China
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Yunqing Jing, Fei Zhang, Yufeng He, Hsiang-te Kung, Verner Carl Johnson, Muhadaisi ArikenaAbstractRemote sensing technology can objectively and quantitatively evaluate spatial-temporal change of ecological environmental quality. This paper uses images from Landsat5 Thematic Mapper (TM) in 2007 and Landsat8 operational land imager (OLI) in 2013 and 2016 to extract indicators such as greenness, wetness, heat, and dryness that reflect the ecological environment quality of arid area. The principal component...
Deep learning-based retrieval of cyanobacteria pigment in inland water for in-situ and airborne hyperspectral data
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Inhyeok Yim, Jihoon Shin, Hyuk Lee, Sanghyun Park, Gibeom Nam, Taegu Kang, Kyung Hwa Cho, YoonKyung ChaAbstractWorldwide proliferation of cyanobacteria blooms in inland waters not only affects the intended use of water but potentially threatens human and animal health. In this study, a stacked autoencoder-deep neural network (SAE-DNN) was developed to estimate phycocyanin (PC) concentration by using in situ reflectance spectra in productive inland water. The estimated PC using the SAE-DNN was in close agreement...
A planetary boundary-based method for freshwater use in life cycle assessment: Development and application to a tomato production case study
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Anders Bjørn, Sarah Sim, Anne-Marie Boulay, Henry King, Julie Clavreul, Wan Yee Lam, Valerio Barbarossa, Cécile Bulle, Manuele MargniAbstractExisting methods for applying the planetary boundary concept in life cycle assessment are not sufficiently spatially and temporally resolved. Here, we develop a new method for freshwater use based on the safe operating space (SOS) at watershed-level. The SOS is based on the concept of environmental flow requirements, which is the share of mean monthly flow that should be...
Occurrence, distribution and bioaccumulation of alkylphenols in the Pearl River networks, South China
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Wenping Xie, Jiangang Zhao, Qiyuan Zhang, Changpeng Ye, Guangming Zheng, Qi Shan, Lichun Li, Xiaofeng ShaoAbstractThe concentrations and distributions of selected alkylphenols (APs; 4-nonylphenols, 4-n-octylphenol, 4-tert-octylphenol, 4-tert-butylphenol and 2,4-di-tert-butylphenol) in water, sediment and aquatic organism samples in the Pearl River networks were determined using gas chromatography-mass spectrometry. The results showed that 4-nonylphenols (NPs) were dominant in both water samples and sediment...
Estimation of leaf photosynthetic capacity from the photochemical reflectance index and leaf pigments
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Shuren Chou, Bin Chen, Jing Chen, Miaomiao Wang, Shaoqiang Wang, Holly Croft, Qin ShiAbstractLeaf chlorophyll content has recently been found to be a better proxy than leaf nitrogen content for leaf photosynthetic capacity in a mixed deciduous broadleaf forest. A key concept underlying the relationship between leaf photosynthetic capacity and leaf chlorophyll content was the coordinate regulation of photosynthetic components (i.e. light harvesting, photochemical, and biochemical components). In order to test...
Community composition of ectomycorrhizal fungi associated with Pinus sylvestris var. mongolica plantations of various ages in the Horqin Sandy Land
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Publication date: March 2020Source: Ecological Indicators, Volume 110Author(s): Mi-shan Guo, Guo-dong Ding, Guang-lei Gao, Ying Zhang, Hong-yu Cao, Yue RenAbstractPinus sylvestris var. mongolica is an important afforestation species in northern China. However, P. sylvestris plantations have severely declined in most areas where they have been introduced. Ectomycorrhizal fungi (EMF) are closely related to host plant growth and have important roles in the forest ecosystem, especially in Pinus forests. Hence, EMF may additionally furnish perception toward decline of P. sylvestris plantations...