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Ecological Indicators 

Integrating Sciences for Monitoring, Assessment and Management

ScienceDirect Publication: Ecological Indicators
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Review of salinity effects on abundance, growth, and survival of nearshore life stages of pink shrimp (Farfantepenaeus duorarum)
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Ian C. Zink, Joan A. Browder, Diego Lirman, Joseph E. Serafy The pink shrimp (Farfantepenaeus duorarum) has been selected as an ecological indicator to assess ecological effects on estuaries of implementation of the Comprehensive Everglades Restoration Plan that seeks to restore historical freshwater flows and nearshore salinity regimes in southern Florida. Concern over altered freshwater delivery impacts on pink shrimp productivity was expressed as early as the 1960s. The present review assessed...
Cultural values on CSR patterns and evolution: A study from the biplot representation
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Víctor Amor Esteban, Mª Purificación Galindo Villardón, Isabel María García Sánchez Based on institutional and stakeholder theory, this study aims to observe the influence the cultural system has on the degree of responsibility of business behaviour and examines how normative isomorphism influences the Corporate Social Responsibility practices at the country level. We use the Hofstede model because its dimension group highlights the cultural similarities and differences between countries, and...
Valuing ecosystem services to explore scenarios for adaptive spatial planning
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Frederik Lerouge, Hubert Gulinck, Liesbet Vranken As the ecosystem services concept increasingly gains importance, it needs translation into practical applications. Recent efforts of EU member states to map ES are opening new opportunities to include ES in spatial planning and adaptive land management. For this, spatial planners and policy makers need practical tools that integrate a variety of social and biophysical information in an accessible way. We argue that monetary valuation of ES can...
DER: An algorithm for comparing species diversity between assemblages
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Cástor Guisande, Jürgen Heine, Emilio García-Roselló, Jacinto González-Dacosta, Luis González Vilas, Baltasar J. García Perez-Schofield There is no single diversity index that adequately summarises species diversity, since this is a multidimensional concept and hence should be quantified using a compound statistical measure. Here, we present the DER algorithm, available as an R package on CRAN and as an RWizard application on http://www.ipez.es/RWizard. This algorithm provides tools for...
A long-term improvement in Danish stream fauna: Analyses of temporal dynamics and community alignment of a biotic index
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Mie Lundsfryd Rasmussen, Peter Wiberg-Larsen, Dean Jacobsen Danish streams have for some decades shown a significant improvement in ecological quality. This is based on a time-series of a subset of 247 sites from the nationwide monitoring program with reoccurring annual sampling. The ecological quality is determined using the benthic macroinvertebrate fauna as bio-indicators via the Danish Stream Fauna Index (DSFI), and expressed in categorically ranked scores, with 1 as the lowest, and 7 as the...
Texture analysis in liver of common carp (Cyprinus carpio) sub-chronically exposed to perfluorooctanoic acid
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Maurizio Manera, Luisa Giari, Fabio Vincenzi, Cristiana Guerranti, Joseph A. DePasquale, Giuseppe Castaldelli An operator-neutral, objective method was implemented to comparatively assess liver pathology in 30 specimens of common carp (Cyprinus carpio): 20 after experimental flow-through exposure to two perfluorooctanoic acid (PFOA) dosages (10 fish exposed to 200ngl− 1 and 10 fish exposed to 2mgl−1 ) for 56days and 10 unexposed (negative control). The method relies on texture analysis...
Transferability of bioassessment indices among water body types and ecoregions: A California experiment in wetland assessment
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Eric D. Stein, Jeffrey S. Brown, Raphael D. Mazor Biological assessment of aquatic resources requires the availability of bioassessment tools that work in all waterbody types and regions of interest. Developing new assessment tools may require several years of data collection and substantial investment of resources, which may not be an option for some aquatic resource managers. Adapting tools developed for different regions or wetland types may be an attractive alternative to developing new indices...
Sensitivity of the carbon footprint of New Zealand milk to greenhouse gas metrics
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Andy Reisinger, Stewart F. Ledgard, Shelley J. Falconer Milk production is responsible for emitting a range of greenhouse gases (GHGs), mainly carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4). In Life Cycle Assessments (LCA), the Global Warming Potential with a time horizon of 100 years (GWP100) is used almost universally to aggregate emissions of individual gases into so-called CO2-equivalent emissions that are used to calculate the overall carbon footprint of milk production. However...
Optimizing sampling design to infer the number of marine turtles nesting on low and high density sea turtle rookeries using convolution of negative binomial distribution
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Marc Girondot Reliable monitoring of wildlife populations represents a non-negligible cost, and in a limited-resource world, resources allocated to monitoring are not devoted to actions to solve identified problems. I explore resource efficient survey designs based on a negative binomial distribution including variable survey intervals for marine turtles using track counts as an index of female activity. In the modified procedure, all new tracks between two monitoring patrols are recorded. These data...
Intertidal zonation and latitudinal gradients on macroalgal assemblages: Species, functional groups and thallus morphology approaches
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Rui Gaspar, Leonel Pereira, João M. Neto Macroalgae are unavoidable biological elements when monitoring and assessing costal environments. However, these tasks can be difficult to address because macroalgae a) present a high natural variability across a range of spatial and temporal scales, b) they imply a high sampling and laboratory processing effort and good taxonomical expertise (as they are a very diverse group of species), and c) there is insufficient knowledge about their structural and...
CO2 emissions and economic performance in EU agriculture: Some evidence from Mediterranean countries
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Eleni Zafeiriou, Muhammad Azam The present manuscript surveys the validity of economic performance per capita – Carbon Dioxide (CO2) emissions equivalent relationship covering the sector of agriculture for three Mediterranean countries, (France, Portugal and Spain). The value added generated by agriculture as index for economic performance, along with an index of environmental degradation (carbon emissions equivalent/1000ha of utilized agricultural area) are the data on which the methodology of...
Efficiency of the EU regulation on greenhouse gas emissions in Italy: The hierarchical cluster analysis approach
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Roberta Arbolino, Fabio Carlucci, Andrea Cirà, Giuseppe Ioppolo, Tan Yigitcanlar Using both a multivariate technique and a classic convergence analysis, we set out to test in an original way if the European Union (EU) regulation on greenhouse gas (GHG) emissions produced by urban road transport has generated a policy transfer process. By doing so, this paper attempts to fill the gap in research on ex-post analysis to assess whether the decisions taken at the EU level are actually transposed and...
Using river microalgae as indicators for freshwater biomonitoring: Review of published research and future directions
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Naicheng Wu, Xuhui Dong, Yang Liu, Chao Wang, Annette Baattrup-Pedersen, Tenna Riis Trait-based approaches may give insights into underlying mechanisms of relationships between biological communities and environmental stressors, and are increasingly used in ecological studies, but are only very recently considered for freshwater riverine microalgae. Here, we i) review the research trend in riverine microalgae during the past 26 years in order to conduct a quantitative and qualitative analysis...
Assessing the urban environmental quality of mountainous cities: A case study in Chongqing, China
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Yong Liu, Wenze Yue, Peilei Fan, Zhengtao Zhang, Jingnan Huang Despite the degradation of urban environment associated with the rapid urbanization, limited studies have examined the spatial patterns and driving factors of urban environmental quality (UEQ) in mountainous cities in China. Using a case study of Chongqing, UEQ in mountainous cities was measured in the dimensions of physical environment, built environment, and natural hazards, followed by an exploration of its spatial pattern. It was...
Thermal stress, thermal safety margins and acclimation capacity in tropical shallow waters—An experimental approach testing multiple end-points in two common fish
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Carolina Madeira, Vanessa Mendonça, Miguel C. Leal, Augusto A.V. Flores, Henrique N. Cabral, Mário S. Diniz, Catarina Vinagre Tropical organisms are predicted to be among the most impacted by increasing sea surface temperatures, particularly those from intertidal habitats. In this study, a complete thermal biology assessment was conducted for two widespread tropical Atlantic shallow reef fish: Abudefduf saxatilis (damselfish) and Scartella cristata (blenny), which make extensive use of...
Evaluating regional water security through a freshwater ecosystem service flow model: A case study in Beijing-Tianjian-Hebei region, China
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Delong Li, Shuyao Wu, Laibao Liu, Ze Liang, Shuangcheng Li Freshwater ecosystem service is essential to human’s survival and development. Many studies have documented the spatial differences in the supply and demand of ecosystem services and proposed the concept of ecosystem services flows. However, few studies characterize freshwater ecosystem service flow quantitatively. Therefore, our paper aims to quantify the effects of freshwater ecosystem service flow on downstream areas. We developed a...
Conservation efforts based on local ecological knowledge: The role of social variables in identifying environmental indicators
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): André Sobral, María de los Ángeles LA TORRE-CUADROS, Rômulo Romeu Nóbrega Alves, Ulysses Paulino Albuquerque The incorporation of local ecological knowledge in monitoring processes has been one of the great challenges of conservation initiatives worldwide. Therefore, it is essential to use indicators as local evaluation tools of the conditions of a species in order to support conservation actions. Local populations observe the environment, climate change and the influence of these factors on...
A sampling design strategy to reduce survey costs in forest monitoring
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Maurizio Marchi, Carlotta Ferrara, Giada Bertini, Silvano Fares, Luca Salvati High-quality data and long-term time series are the basis of any research activity dealing with natural resources analysis. Adequate sampling designs are fundamental to allow a robust statistical analysis to be representative of a relevant set of target variables. In this work, the sampling strategy of ICP-Forests Level II European network has been proposed to define more efficient and cost-effective procedures under...
Multi-node selection of patches for protecting habitat connectivity: Fragmentation versus reachability
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Juliana Pereira, Ferenc Jordán Landscape connectivity is of major importance in biodiversity conservation, and is one of the key aspects to be taken into consideration in the spatial design of networks of protected areas. Graph-theoretical approaches are useful in modelling habitat connectivity and defining priority areas for the protection of connectivity. This prioritization can be done based on rankings of the centrality (or importance) of individual habitat patches. Moreover, the centrality of a...
Assessing the relationship between ecosystem functions and services: Importance of local ecological conditions
01. Oktober 2017
Publication date: October 2017 Source:Ecological Indicators, Volume 81 Author(s): Federico Weyland, María Paula Barral, Pedro Laterra The development of standard procedures for mapping ecosystem services (ES) hotspots is an active research issue, mainly because it is very important to provide spatially reliable information to decision makers on land-use planning. When ES supply is estimated and mapped from sets of contributing ecosystem functions (EF), it is important to identify which of them contribute the most to a particular ES. Also, it is crucial to determine whether that...

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