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Recent Scientific Papers


Ecological Indicators 

Integrating Sciences for Monitoring, Assessment and Management
ScienceDirect Publication: Ecological Indicators
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Evaluating complex relationships between ecological indicators and environmental factors in the Baltic Sea: A machine learning approach
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Annukka Lehikoinen, Jens Olsson, Lena Bergström, Ulf Bergström, Andreas Bryhn, Ronny Fredriksson, Laura UusitaloAbstractThe state of marine ecosystems is increasingly evaluated using indicators. The indicator assessment results need to be understood in the context of the whole ecosystem in order to understand the key factors determining the status of these environmental components. Data available from the system’s different components are, however, often heterogeneous: they may represent different spatial...
Changes in wetlands and surrounding land cover in a desert area under the influences of human and climatic factors: A case study of the Hongjian Nur region
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Lina Xiu, Changzhen Yan, Xiaosong Li, Dawen Qian, Kun FengAbstractWetlands, as the transition zones between land and aquatic systems, are one of nature's most biologically diverse ecosystem types and are important environments for humans. In arid deserts, the roles of wetlands are particularly important. The Hongjian Nur region (HJN), which has the largest desert freshwater lake in China, is not only a national reserve but also the largest breeding ground for Larus relictus in the world. However, due to climate...
Evaluating landscape ecological sensitivity of an estuarine island based on landscape pattern across temporal and spatial scales
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Yuan Chi, Zhiwei Zhang, Jianhua Gao, Zuolun Xie, Mengwei Zhao, Enkang WangAbstractEvaluating landscape ecological sensitivity in estuarine areas is important for providing reference for landscape optimization and ecological conservation, however, the comprehensive characteristics of the landscape ecological sensitivity, including the changes under various disturbances, the spatiotemporal heterogeneities, and the multiple scale effects, have received insufficient attention. A model to evaluate estuarine landscape...
Modeling and predicting fecal coliform bacteria levels in oyster harvest waters along Louisiana Gulf coast
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Jiao Wang, Zhiqiang DengAbstractFecal coliform bacteria are important indicator microorganisms that are commonly monitored monthly for the quality of oyster harvest waters and the end product, making the protection of public health challenging as oyster harvest may occur daily and fecal coliform levels in oyster harvest waters may also change daily. This paper presents an artificial intelligence-based neural network modeling approach to predict fecal coliform bacteria levels in oyster harvest areas (waters...
Evidence for interactions among environmental stressors in the Laurentian Great Lakes
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Sigrid D.P. Smith, David B. Bunnell, G.A. Burton, Jan J.H. Ciborowski, Alisha D. Davidson, Caitlin E. Dickinson, Lauren A. Eaton, Peter C. Esselman, Mary Anne Evans, Donna R. Kashian, Nathan F. Manning, Peter B. McIntyre, Thomas F. Nalepa, Alicia Pérez-Fuentetaja, Alan D. Steinman, Donald G. Uzarski, J. David AllanAbstractCo-occurrence of environmental stressors is ubiquitous in ecosystems, but cumulative effects are difficult to predict for effective indicator development. Individual stressors can amplify...
Quantification of the ecosystem carrying capacity on China’s Loess Plateau
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Wei Liang, Bojie Fu, Shuai Wang, Weibin Zhang, Zhao Jin, Xiaoming Feng, Jianwu Yan, Yu Liu, Sha ZhouAbstractRevegetation, especially afforestation, has served as an important tool for controlling desertification. However, revegetation in water-limited regions will inevitably reduce the water available for socio-economic systems, which is poorly considered in decision-making on sustainable ecosystem management. This paper proposed a framework to determine the threshold of vegetation productivity (i.e., ecosystem...
Ecological risk assessment of cities on the Tibetan Plateau based on land use/land cover changes – Case study of Delingha City
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Xin Jin, Yanxiang Jin, Xufeng MaoAbstractLand use/land cover and its change is a certain reflection of the interaction of natural factors and human activity in regional ecological environment, and the change of land use/land cover also affects the regional ecological process. Among regional ecological assessments, the landscape ecological risk assessment by land use/land cover changes is a regional ecological risk assessment method that is based on spatial pattern perspectives. The research on typical ecological...
Metabarcoding of storage ethanol vs. conventional morphometric identification in relation to the use of stream macroinvertebrates as ecological indicators in forest management
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Maitane Erdozain, Dean G. Thompson, Teresita M. Porter, Karen A. Kidd, David P. Kreutzweiser, Paul K. Sibley, Tom Swystun, Derek Chartrand, Mehrdad HajibabaeiAbstractAquatic macroinvertebrate communities are often used to assess the ecological integrity of streams. However, conventional methods involving morphometric identification of macroinvertebrates are usually costly and time-consuming. Here we compare stream macroinvertebrate community metrics based on conventional morphometrics vs. non-destructive DNA...
Gentoo penguins as sentinels of climate change at the sub-Antarctic Prince Edward Archipelago, Southern Ocean
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): T. Carpenter-Kling, J.M. Handley, M. Connan, R.J.M. Crawford, A.B. Makhado, B.M. Dyer, W Froneman, T. Lamont, A.C. Wolfaardt, M. Landman, M. Sigqala, P.A. PistoriusAbstractSome upper trophic level predators, such as marine mammals, seabirds and large predatory fish have been shown to be useful sentinels for marine ecosystems. Through their demography, diet and foraging behaviour, ecosystem changes associated with climate change can be monitored. The local marine ecosystem at the Prince Edward Archipelago in the...
Limpets (Patella spp. Mollusca, Gastropoda) as model organisms for biomonitoring environmental quality
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Sara Pérez, Paula Sánchez-Marín, Juan Bellas, Lucía Viñas, Victoria Besada, Nuria FernándezAbstractThe use of limpets of the genus Patella as indicators of environmental quality is a priori promising, but few data are available in relation to their sensitivity to toxicants or their ability to accumulate pollutants. The aim of this work was to evaluate the use of Patella spp. as model organisms by (1) assessing the sensitivity of limpet embryos to some common pollutants, (2) validating the use of the limpet...
Climatic and human-related indicators and their implications for evapotranspiration management in a watershed of Loess Plateau, China
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Xizhi Lv, Zhongguo Zuo, Juan Sun, Yongxin Ni, Zhihui WangAbstractClimate change and human activities are the two most important factors affecting water resource in Yellow River Basin, and Yellow River Basin is the most serious and prominent water shortage area in China. It is of great significance to study the impact of climate change and human activities on hydrology process in mountain areas of for water resources management. In this research, one typical watershed in the third sub region of the Loess Plateau...
What is the temporal extension of edge effects on tree growth dynamics? A dendrochronological approach model using Scleronema micranthum (Ducke) Ducke trees of a fragmented forest in the Central...
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Alci Albiero-Júnior, Alejandro Venegas-González, Paulo Cesar Botosso, Fidel Alejandro Roig, José Luís Campana Camargo, Mario Tomazello-FilhoAbstractAlthough the Amazon Forest comprises the world’s largest rainforest, providing fundamental ecosystem services to human well-being, vicissitudes imposed by deforestation, climate change, widespread use of fire and development of new infrastructure make the region critically vulnerable to the consequences of the creation of new forest edges. In this forest...
Ecological status monitoring and assessment in Greek rivers: Do macroinvertebrate and diatom indices indicate same responses to anthropogenic pressures?
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Ioannis Karaouzas, Evangelia Smeti, Eleni Kalogianni, Nikolaos Th. SkoulikidisAbstractBiotic indices based on macroinvertebrates and diatoms are regularly used for ecological status assessment in freshwaters, showing variable responses to anthropogenic pressures. In this work, we investigate the response of each biological quality element (BQE) index (i.e. diatoms and macroinvertebrates) to multiple stressors and compare their responses during ecological status assessments of seasonally variable river ecosystems...
Sediment quality assessment as potential tool for the management of tropical estuarine protected areas in SW Atlantic, Brazil
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Lucas Buruaem Moreira, Pedro Ricardo Bellini Dantas Leite, Maurici de Lara Dias, César de Castro Martins, Denis Moledo de Souza AbessaAbstractMarine Protected Areas (MPAs) represent a tool for conservation that is intended to protect marine and estuarine habitats, biodiversity, and ecological processes. Many MPAs, some of which include estuarine zones, are affected by contamination sources; the discharge of chemicals into aquatic systems results in sediment contamination, risks to benthic systems, and...
Toxicological effects of pyraclostrobin on the antioxidant defense system and DNA damage in earthworms (Eisenia fetida)
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Junchao Ma, Chao Cheng, Zhongkun Du, Bing Li, Jinhua Wang, Jun Wang, Zuobin Wang, Lusheng ZhuAbstractIn recent years, pyraclostrobin has been widely used as a fungicide. However, pesticides remain in soil and water, potentially causing irreversible damage to non-target organisms. Thus, the present study investigated the toxicity of different pyraclostrobin concentrations (0, 0.1, 1.0, and 2.5 mg/kg) on earthworms (Eisenia fetida). On days 7, 14, 21, and 28, reactive oxygen species (ROS), superoxide dismutase...
Soil physio-chemical and biological indicators to evaluate the restoration of compacted soil following reforestation
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Meghdad Jourgholami, Tohid Ghassemi, Eric R. LabelleAbstractReforestation of degraded forests with small to medium-scale monoculture plantation following mechanized ground-based harvesting has been widely applied in the past decades in Hyrcanian forests, but no studies have clearly characterized the restoration of soil properties following tree plantation in the temperate forests. We aimed to assess the efficacy of different plantation types (treatments) including Caucasian alder (Alnus subcordata; AS), Velvet...
Using orthoimages generated from oblique terrestrial photography to estimate and monitor vegetation cover
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Luke Wallace, Daisy S. Saldias, Karin Reinke, Samuel Hillman, Bryan Hally, Simon JonesAbstractPercent vegetation cover is important variable used in understanding ecosystem processes, vegetation health and productivity. Downward looking images captured using a handheld camera have been demonstrated as a viable option for rapidly capturing in situ information to assess vegetation cover. This technique, however, is prone to perspective distortions biasing cover estimates towards taller vegetation elements. In this...
Historical dynamics of ecosystem services and land management policies in Switzerland
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Rémi Jaligot, Jérôme Chenal, Marti Bosch, Stéphanie HaslerAbstractEcosystem services (ES) are dynamic over space and time. Understanding and quantifying spatio-temporal trade-offs and synergies among multiples ES, as well identifying the drivers of change provides an opportunity to make the link between ecosystems, policy and land management. We present an approach to understand the historical dynamics of ES and to analyze the regional diversity in ES changes in Switzerland. A spatio-temporal approach was...
Ecosystem services provided by South African palmiet wetlands: A case for investment in strategic water source areas
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Alanna J. Rebelo, Courtney Morris, Patrick Meire, Karen J. EslerAbstractWetlands globally are highly threatened by agriculture, and damage associated with it, such as invasion by alien species and the impacts of fertilizers and pesticides. South African palmiet wetlands make an interesting case study to investigate this, as they are valuable valley-bottom, peat-forming systems, highly threatened by agricultural development. Currently most agriculture in these palmiet wetlands is marginal (low agricultural...
Environment-driven geographical distribution of bacterial communities and identification of indicator taxa in Songhua River
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Publication date: June 2019Source: Ecological Indicators, Volume 101Author(s): Yuzhan Yang, Shiguo Li, Yangchun Gao, Yiyong Chen, Aibin ZhanAbstractBacterial communities play crucial roles in biogeochemical cycles in riverine ecosystems. However, the use of bacteria as bio-indicators to assess the pollution of water environments is not as common as macroorganisms, especially in large rivers disturbed by anthropogenic activities. In this study, we explored the relationship between geographical distribution of bacterial communities and associated environmental variables, and further selected...