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Ecological Indicators 

Integrating Sciences for Monitoring, Assessment and Management

ScienceDirect Publication: Ecological Indicators
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Effect of an offshore wind farm on the viviparous eelpout: Biometrics, brood development and population studies in Lillgrund, Sweden
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Olivia Langhamer, Thomas G. Dahlgren, Gunilla Rosenqvist Sufficient, clean and secure energy is the main driver for a worldwide growing welfare and economic development of a society. Environmental concerns on the expansion of offshore renewable energy and its impact on marine organisms need to be scientifically assessed for risks and consequences. In order to observe the effects of an operating wind farm on fish, we studied the rather stationary and benthic-living fish species viviparous eelpout...
Evaluating the stick-gap method in a Mexican tropical dryland: Effect of stick length and sample size
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Leticia Ríos-Casanova, Héctor Godínez-Alvarez The degradation of drylands by human activities is a serious problem in many developing countries. Monitoring in these countries therefore is basic to prevent or mitigate land degradation. The stick-gap method is one graphical approach that has been used to monitor rangelands in eastern Africa. This method collects data on vegetation cover and structure with a 1-m-long stick at 20 locations per site. These data are then used to calculate land health...
Monitoring riverine thermal regimes on stream networks: Insights into spatial sampling designs from the Snoqualmie River, WA
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Amy Marsha, E. Ashley Steel, Aimee H. Fullerton, Colin Sowder Understanding, predicting, and managing the spatiotemporal complexity of stream thermal regimes requires monitoring strategies designed specifically to make inference about spatiotemporal variability on the whole stream network. Moreover, monitoring can be tailored to capture particular facets of this complex thermal landscape that may be important indicators for species and life stages of management concern. We applied spatial stream...
Climate change adaptation in the western-Himalayas: Household level perspectives on impacts and barriers
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Rajiv Pandey, Praveen Kumar, Kelli M. Archie, Ajay K. Gupta, P.K. Joshi, Donatella Valente, Irene Petrosillo A vast amount of knowledge and experience on coping with climatic variability and extreme weather events exists within local communities, and indigenous coping strategies are important elements of successful adaptation plans. Traditional knowledge can help to provide efficient, appropriate and time-tested ways of responding to climate change especially in far-flung communities...
Night-day speed ratio of elephants as indicator of poaching levels
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Festus W. Ihwagi, Chris Thouless, Tiejun Wang, Andrew K. Skidmore, Patrick Omondi, Iain Douglas-Hamilton Poaching has escalated in recent years and is becoming the greatest immediate threat to elephants' survival. There is an urgent need to develop innovative and cost-effective methods for monitoring changes in elephant poaching levels remotely to complement the existing traditional field-based ground surveys. Since elephants are known to respond to anthropogenic risks by alterations in their...
The Ecological and Conservation Status of The Guadalquivir River Basin (s Spain) Through The Application Of A Fish-based Multimetric Index
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Adrián Ramos-Merchante, José Prenda An index of biotic integrity (IBI) based on fish health, population age-structure, abundance and community richness of native and alien fish, originally developed for the Júcar basin (E Spain) (IBI-J), was adapted and validated here for another Mediterranean basin– the Guadalquivir (IBI-G). Until now, no one fish-based IBI − sensitive, useful in a large geographical context, simple and easily applied −has been employed in species-poor Mediterranean basins...
How to assess the impact of fine sediments on the macroinvertebrate communities of alpine streams? A selection of the best metrics
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Alberto Doretto, Elena Piano, Francesca Bona, Stefano Fenoglio Excessive fine sediment accumulation (i.e., siltation) in streams and rivers originates from several human activities and globally results in heavy alterations of aquatic habitats and biological communities. In this study the correlation between fine sediment and several benthic invertebrate community metrics was tested through a manipulative approach in alpine streams, where siltation mainly results as a physical alteration (i.e., the...
A functional approach to Hill's numbers for assessing changes in species variety of ecological communities over time
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Fabrizio Maturo, Tonio Di Battista Humans are dependent on a large number of species of animals, plants, fungi, and microbes that provide indispensable ecosystem functions and produce essential goods. Apart from the economic valuation of the direct and indirect benefits of biodiversity, people place existence values on biodiversity, i.e. they consider the existence of particular species, regardless of the services they provide. There is also a general recognition that species diversity indicates the...
An improved method for integrated ecosystem health assessments based on the structure and function of coastal ecosystems: A case study of the Jiangsu coastal area, China
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Dehao Tang, Xingjian Liu, Xinqing Zou Ecosystem health status assessment is very complex and requires an integrated approach based on combined and synoptic estimates of the environmental background and the study of the structure and function of different ecosystems at a systems level. Here, we present the main results gained over six years (2006–2007, 2009–2012) with the aim of obtaining concise and comprehensive assessment results at 30 routine investigation sites in the Jiangsu coastal area...
Soil carbon fractions and biological activity based indices can be used to study the impact of land management and ecological successions
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): João Carlos de Moraes Sá, Daniel Ruiz Potma Gonçalves, Lucimara Aparecida Ferreira, Umakant Mishra, Thiago Massao Inagaki, Flavia Juliana Ferreira Furlan, Rosemeri Segecin Moro, Nicolas Floriani, Clever Briedis, Ademir de Oliveira Ferreira Soil organic carbon (SOC) is a strong indicator of soil health. Development of efficient soil quality indicators is crucial to better understand the impact of land management strategies on the recovery of degraded ecosystems. We hypothesized that...
Imputing missing data in non-renewable empower time series from night-time lights observations
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Laura Neri, Luca Coscieme, Biagio F. Giannetti, Federico M. Pulselli Emergy is an environmental accounting tool, with a specific set of indicators, that proved to be highly informative for sustainability assessment of national economies. The empower, defined as emergy per unit time, is a measure of the overall flow of resources used by a system in order to support its functioning. Continuous time-series of empower are not available for most of the world countries, due to the large amount of data...
Analysis of spatiotemporal changes of the human-water relationship using water resources constraint intensity index in Northwest China
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Chao Bao, Jianjun Zou Water resources constraint intensity (WRCI) refers to the conflict degree between water scarcity and human activities. We provide a comprehensive dynamic assessment index system for WRCI, which is composed of three primary indicators (natural endowment, exploitation and utilization degree, exploitation and utilization efficiency of water resources) and nine secondary indicators. After ascertaining the thresholds and grading standards for each specific indicator and their...
Benthic foraminifera to assess Ecological Quality Statuses in Italian transitional waters
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Vincent M.P. Bouchet, Eric Goberville, Fabrizio Frontalini Estuaries, lagoons and lakes, identified as transitional waters (TWs), are fragile ecotones at the interface between terrestrial and marine ecosystems. The assessment of their Ecological Quality status (EcoQ), required by marine legislations, is rather uncertain when based on traditional benthic macrofaunal indices. This study proposes to assess the EcoQ of marine waters using the diversity index Exp(H’bc) based on living benthic...
Ecosystem health assessment of Dongshan Island based on its ability to provide ecological services that regulate heavy rainfall
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Wu Liyun, You Weibin, Ji Zhirong, Xiao Shihong, He Dongjin The evaluation of ecosystem health is a hotspot in macro-ecology and ecosystem management. The objective of this paper is to introduce an ecosystem health assessment framework that combines ecosystem service concepts and indicators. We analyzed ecological services on Dongshan Island for regulating heavy rainfall by explicitly addressing the spatial distribution of ecosystem service demand and supply. An index system was then developed...
A combined model for river health evaluation based upon the physical, chemical, and biological elements
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Xiang Zhang, Yu Meng, Jun Xia, Bi Wu, Dunxian She Rivers provide many services to humans, however, globally, they have been historically impacted from over-exploitation for human needs. Such impacts are likely to increase into the future leading to poorer river health and the service functions provided by rivers are being lost. This study focused on the river health evaluation for river protection and sustainable water management. Eight indices were selected to structure an evaluation index...
Uniqueness of sampling site contributions to the total variance of macroinvertebrate communities in the Lower Mekong Basin
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Ratha Sor, Pierre Legendre, Sovan Lek Species co-occurrence and site-specific characteristics have a great influence on biotic community composition at local scales and thus contribute to large variations at broad spatial scales. In this paper, we studied invertebrate communities in 63 river sites of the Lower Mekong Basin (LMB) sampled over 609thousandkm2. We identified important macroinvertebrate taxa of the component communities (i.e. annelids, crustaceans, mollusks and insects), and key...
Effects of wind turbines on spatial distribution of the European hamster
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Rafał Łopucki, Kajetan Perzanowski Rapid worldwide growth of wind energy is an important factor that is changing agricultural areas and affecting wildlife. The impact of wind farms on ground-dwelling animals is poorly recognized. Such lack of knowledge is disadvantageous, particularly in the case of rare and protected species, because it may lead to incomplete or inappropriate conservation strategies. We studied whether wind turbines through their vibration and visual or acoustic impact contribute...
El Niño Southern Oscillation cycle indicator for modeling extreme rainfall intensity over India
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): V. Agilan, N.V. Umamahesh Since the global climate change altering the characteristics of extreme rainfall events, modeling the behavior of extreme rainfall is becoming indispensable. Among various physical processes, the El Niño Southern Oscillation (ENSO) cycle is a significant process that can trigger occurrences of extreme hydro-climatological events, such as floods, droughts and cyclones. Consequently, modeling the relationship between ENSO cycle and regional climate anomaly is gaining more...
Water quality response to sustainable restoration measures – Case study of urban Swarzędzkie Lake
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): Joanna Rosińska, Anna Kozak, Renata Dondajewska, Katarzyna Kowalczewska-Madura, Ryszard Gołdyn Accelerated eutrophication and requirements of the Water Framework Directive impose searching for effective restoration methods Recently positive effects are achieved by means of sustainable restoration methods that are cheap because they are limited to activities initiating natural changes in the ecosystem. Despite previous research, there is still not enough accurate data on ecosystem response (i.e...
Application of lithotopo units for automatic classification of rivers: Concept, development and validation
01. Januar 2018
Publication date: January 2018 Source:Ecological Indicators, Volume 84 Author(s): J. Horacio, D.R. Montgomery, A. Ollero, A. Ibisate, A. Pérez-Alberti River classification is one of the recommendations of the European Water Framework Directive 2000/60/EC, which establishes that classifications should be carried out according to different variables hierarchically organized from a smaller to a larger scale. We suggest incorporating into the Directive’s hierarchical system a geoecological unit (lithotopo unit) that discriminates rivers with similar geomorphological features...

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