Isabel Pardo

Isabel Pardo
University of Vigo | UVIGO · Department of Ecology and Animal Biology

PhD

About

148
Publications
50,087
Reads
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3,734
Citations
Citations since 2016
60 Research Items
2032 Citations
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
Additional affiliations
October 1998 - present
University of Vigo
Position
  • Professor (Full)
October 1994 - October 1998
University of Santiago de Compostela
Position
  • Lecturer

Publications

Publications (148)
Article
Full-text available
Ecological status classification systems based on biological elements (e.g., macroinvertebrate communities) are dependent on their response to different pressures. However, there is a need to determine if invasive species should be incorporated to indicator parameters (i.e. metrics based on measurements of richness and diversity) or as a pressure a...
Article
Full-text available
The study was performed on residue-effects datasets from polluted and unpolluted sites in the Nalón River basin (northern Spain). The effects were measured in terms of alteration of field macroinvertebrate communities, and measured as ecological status scores, and number of families and abundance of Ephemeroptera, Plecoptera and Trichoptera (EPT)....
Article
Full-text available
Small rivers support high levels of biodiversity, being especially sensitive to the effects of global change. Temporal records of community composition in minimally impaired streams can be used to explore trends in biodiversity in response to climate change and natural temporal variation. We approached the comparison of two time periods (2003–2008...
Article
Full-text available
Microbes play a critical role in plant litter decomposition and influence the fate of carbon in rivers and riparian zones. When decomposing low‐nutrient plant litter, microbes acquire nitrogen (N) and phosphorus (P) from the environment (i.e., nutrient immobilization), and this process is potentially sensitive to nutrient loading and changing clima...
Book
Full-text available
Rivers of Europe, Second Edition, presents the latest update on the only primary source of complete and comparative baseline data on the biological and hydrological characteristics of more than 180 of the highest profile rivers in Europe. With even more full-color photographs and maps, the book includes conservation information on current patterns...
Article
Good ecological status is the environmental objective of EU water legislation to be achieved by all European water bodies. However, good ecological status varies depending on national criteria, typology approach, and classification systems used. Since nutrient enrichment is the main cause of river degradation, it is important to establish nutrient...
Chapter
Rivers of the Iberian Peninsula have been influenced for a long time by intensive human use. This, together with a largely unpredictable climate and scarce water resources, resulted in a large number of hydraulic infrastructures, with more than 1000 large reservoirs spread throughout Iberian watercourses. Although climatic variation is high, most o...
Article
Full-text available
A new species, Zwicknia avilensis sp. n., from Spain is described and illustrated from male and female adults and last instar larvae. Morphological affinities of this new species are also discussed and a key to adult Zwicknia Murányi, 2014 from Western and Southern Europe is proposed.
Article
Full-text available
Development of sound criteria for metal and metalloid bioaccumulation risk assessment in river basins affected by mining activities is a necessary tool to protect the aquatic communities. The aim of this study is to propose integrative scores for tissue residues that are suitable for surveillance programs and readily interpreted in terms of risk as...
Article
• Droughts and heat waves are becoming more frequent, persistent, and intense in a global warming context. Although previous studies reported Corbicula mass mortality events associated with the occurrence of extreme summer conditions, knowledge of their effects lags behind ecosystem functioning. • The goal of this study was to determine whether sum...
Article
Determining the resistance and resilience of resources and benthic invertebrates connected to instream refuges and species re-colonization in post-flood periods may help to elucidate mechanisms behind community recovery. This experiment simulated flow pulses in a small temporary stream in an extremely wet year, using upstream control and downstream...
Article
Full-text available
Background: Thermal springs provide extreme ecological conditions for aquatic communities owing to their high water temperature and particular water chemistry. The thermal springs and their connected watercourses provide a thermal laboratory by offering a wide range of temperatures within short spatial distances. To date, the information on how the...
Article
A large number of diatom-based classification systems have been developed worldwide in recent years. These new systems, together with the oldest, emerged on the need to assess the water quality of rivers, but knowledge on possible divergences resulting from their simultaneous application within a territory is limited. This study aimed to compare th...
Article
Artificial ecosystems are sometimes the only opportunity for citizens to experience nature. Keeping their quality is essential for maintaining ecosystem services. We studied an urban pond in the Northwest Iberian Peninsula (Aveiro, Portugal) as a model for testing the suitability diatom assemblages and indices of water quality in such systems. Week...
Article
Biological communities change in response to human alteration. The response of individual taxa and the community can be used to establish preventive criteria to halt further biodiversity deterioration. Here we explore how consistent are the boundaries between Good and Moderate ecological status derived from classification systems used in North-NW S...
Article
Temporary streams on the island of Mallorca support unique fauna that differ from other temporary streams on the mainland. It comprises many poor-dispersing endemics as well as more ubiquitous species with better dispersal abilities. To determine the importance of spatial and temporal drivers, this study assesses on the composition and biological t...
Article
Full-text available
Intermittent rivers and ephemeral streams (IRES) may represent over half the global stream network, but their contribution to respiration and carbon dioxide (CO2) emissions is largely undetermined. In particular, little is known about the variability and drivers of respiration in IRES sediments upon rewetting, which could result in large pulses of...
Article
Full-text available
In this study we hypothesize that Ostrom’s social-ecological system (SES) framework can be useful to address the introduction pathways and dispersal vectors of non-native species. We have applied this framework to the introduction of the Asian clam Corbicula fluminea in freshwaters in Galicia (Spain). We reviewed scientific and grey literature and...
Article
The Environmental Quality Standards (EQS) directive was an important improvement of long-term water quality monitoring at the European level, leading to the use of sediments and biota as relevant matrices for assessing priority substances under the European Water Framework directive. Currently, commonly accepted sediment EQS for Hg are missing in E...
Article
Full-text available
River ecosystems receive and process vast quantities of terrestrial organic carbon, the fate of which depends strongly on microbial activity. Variation in and controls of processing rates, however, are poorly characterized at the global scale. In response, we used a peer-sourced research network and a highly standardized carbon processing assay to...
Article
Full-text available
River ecosystems receive and process vast quantities of terrestrial organic carbon, the fate of which depends strongly on microbial activity. Variation in and controls of processing rates, however, are poorly characterized at the global scale. In response, we used a peer-sourced research network and a highly standardized carbon processing assay to...
Article
Full-text available
River ecosystems receive and process vast quantities of terrestrial organic carbon, the fate of which depends strongly on microbial activity. Variation in and controls of processing rates, however, are poorly characterized at the global scale. In response, we used a peer-sourced research network and a highly standardized carbon processing assay to...
Article
Full-text available
River ecosystems receive and process vast quantities of terrestrial organic carbon, the fate of which depends strongly on microbial activity. Variation in and controls of processing rates, however, are poorly characterized at the global scale. In response, we used a peer-sourced research network and a highly standardized carbon processing assay to...
Article
Full-text available
Climate change and human pressures are changing the global distribution and extent of intermittent rivers and ephemeral streams (IRES), which comprise half of the global river network area. IRES are characterized by periods of flow cessation, during which channel substrates accumulate and undergo physico‐chemical changes (preconditioning), and peri...
Article
The study of macroinvertebrate communities using a Reference Condition Approach (RCA) is a powerful tool for detecting the impacts of mining activities due to heavy metal contamination in rivers. However, studies on this topic based on an RCA fully satisfying the Water Framework Directive (WFD) criteria for reference site selection are still scarce...
Article
• Non‐native species introductions are a major concern for the conservation of natural ecosystems. The spread of non‐native species depends not only on their adaptation to the new environment, but also on the biotic features of the non‐native and resident native species and their environment that determine competition in natural habitats. • There i...
Article
Full-text available
Within the framework of the European Environmental Quality Standards Directive, the biota was recognized as a suitable matrix for monitoring water quality. In the Nalón River basin (North Spain), a catchment subject to historical mining activities, ten macroinvertebrate taxa (4 mayflies, 1 perlid stonefly, 2 caddisflies, 2 oligochaete worms, and 1...
Article
In this study we developed a predictive diatom-based model to assess the ecological status of streams and rivers of Northern Spain. Diatom samples were collected with standard protocols over stones from 676 sites distributed along existing environmental conditions across Northern Spain, during seven years between 2002 and 2008 (n = 1056 samples). T...
Article
Full-text available
Perennial rivers and streams make a disproportionate contribution to global carbon (C) cycling. However, the contribution of intermittent rivers and ephemeral streams (IRES),which sometimes cease to flow and can dry completely, is largely ignored although theymay represent over half the global river network. Substantial amounts of terrestrialplant...
Article
Full-text available
In the version of this Article originally published, the affiliation for M. I. Arce was incorrect; it should have been: ⁵Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Berlin, Germany. This has now been corrected in the online versions of the Article.
Article
Invasive terrapin species have a major impact on freshwater ecosystems, threatening the endangered species Emys orbicularis. In addition to the widely introduced Mauremys leprosa, and Trachemys scripta, new exotic species from the genus Graptemys or Sternotherus are being released in the environment. Furthermore, basins where native and exotic terr...
Article
1. Temperature has a key impact on the physiology, food acquisition, metabolic rate, growth, and reproduction of organisms. Thus, exploring the effects of climate change on species physiology is important for the conservation and management of native and non-native bivalve species. 2. In this work, an integrative laboratory approach was used to co...
Article
Full-text available
The global decline of freshwater mussels is related with a great variety of factors, including the introduction of invasive species. However, the possible effects of other invasive bivalves, such as the Asian clam Corbicula fluminea (Müller, 1774), remain mainly unknown and highly speculative with very few manipulative experiments addressing this i...
Article
Global change, including invasive species introduction, has already had observable effects on migrant bird species, from Northern breeding areas to wintering grounds. In this study we analyze the response of the Eurasian oystercatcher abundance to the density of an invasive clam species (Corbicula fluminea) and its potential role as biological cont...
Article
Human population growth and development have degraded freshwater ecosystems through direct negative effects on basal resources and higher trophic levels. Knowledge of how basal resources are influenced by anthropogenic activities is needed to examine foodweb responses and to evaluate negative effects of human disturbance. We combined quantitative s...
Article
Full-text available
Global environmental changes constitute major threats to biodiversity in all ecosystems worldwide. Here we experimentally examined how temperature and trophic condition can influence the interaction between a highly invasive species and a native naiad species. We exposed the native freshwater mussel Unio delphinus to the presence/absence of the inv...
Article
We manipulated nutrient concentrations in 14 channels adjacent to a forested headwater stream to examine the influence of nutrient enrichment on detrital and algal pathways. Our fertilization experiment increased the average water concentration of N up to a maximum of ~2 times and of P up to ~7 times relative to control channels, levels considered...
Article
The present study compared crustacean assemblages from coastal wetlands between a fragment archipelago and a landmass. The study included four typical crustacean taxonomic groups (i.e. Cladocera, Copepoda, Ostracoda and Malacostraca) from the Balearic Archipelago region as an example of a fragment island ('Archipelago') and the Catalonia region as...
Article
Full-text available
Riparian habitats are highly susceptible to invasion and the spread of non-native plants. Many freshwater organisms and processes are dependent on allochthonous subsidies, and thus, riparian invasions are often associated with changes in aquatic ecosystems. We studied the potential effects of riparian plant invasions on instream decomposition and d...
Article
Streams are extremely vulnerable to water abstraction across the world because of increasing water demand from humans, as well as because precipitation is decreasing in many areas. To determine how water abstraction affects water chemistry, hydromorphological variables and invertebrate assemblages, we conducted an experiment in which we mimicked tw...
Article
The natural variation of environmental factors in freshwater basins determines their biodiversity. Among them, calcium is a key physiological compound for freshwater invertebrates. It is required for shell formation, muscle contraction, it mediates gene expression and allows counteracting acidosis during stress periods, among other functions. Altho...
Article
Here we provide the first evidence of long term reductions in flow in temporary streams on the Mediterranean island of Mallorca and use a simple metric of the degree of water permanence (the number of days with water) to highlight the implications of flow change for aquatic invertebrate diversity. Analysis of a 33year data set for 13 streams on the...
Article
Metal tissue residue evaluation in benthic macroinvertebrates is an important component of an integrated approach to ecological risk assessment of metals and metalloids in the Nalón River basin (North Spain), where historic mining activities took place. The purpose of this study was to know the baseline tissue concentration of 7 metals (Cd, Cu, Cr,...
Article
Flow reduction generated by water abstraction can alter abiotic and biotic properties of stream ecosystems. We hypothesized that reducing stream flow will reduce oxygen levels affecting sensitive invertebrates. We experimentally suppressed flow with longitudinal barriers in two lowland streams of mesotrophic and eutrophic status In each stream we f...
Article
Couto-Mendoza, Vieira, and Cobo (2014 DOI: 10.1002/ eco.1528; hereafter CV&C) question the use of combined multimetric indices versus the use of single indices in assessing the ecological status of the new European water legislation (Water Framework Directive, WFD; 60/CE/ 2000). Basically, they intend to ‘show how a simple index can be satisfactory...
Article
This pilot study explored the potential of juvenile European Atlantic sturgeon Acipenser sturio to feed on two invasive bivalve species, the Asian clam Corbicula fluminea and the Eurasian zebra mussel Dreissena polymorpha. Preliminary results indicate that native A. sturio were feeding on D. polymorpha at a very limited rate and their potential to...
Article
Corbicula fluminea arrived in the Miño Estuary in 1989 and, from there, colonized more than 150 km upstream. Our aim was to test the capacity of C. fluminea to cope with osmotic stress conditions previously to invade new freshwater habitats through estuaries. Based on previously collected information, the experiment aims to study the response of th...
Article
Stable isotope analysis (SIA) constitutes a powerful tool for evaluating trophic ecology. However, natural spatio-temporal isotopic variability may complicate the application of this approach in rivers. In this study, we analysed different sources of variability and potential limitations in the use of SIA along the Tea Stream (NW Iberian Peninsula)...
Article
Freshwaters receive a large amount of materials and biologically available energy from their surrounding catchments. In particular, small forested streams are dependent on allochthonous organic matter inputs. However, since the middle 20th century large areas of forests in the Iberian Peninsula have been converted to eucalypt plantations, impairing...
Article
Full-text available
Estuaries act as a vector transferring exotic species between marine and freshwater ecosystems. The morphology and sedimentary characteristics of the River Miño estuary (NW-Spain), defined by tide fluctuations and continental sediment inputs, was dominated by sand. The estuary is a freshwater ecosystem during low tide with limited influence of mari...
Article
In the last years the Water Framework Directive (WFD) has encouraged the development of classification systems to assess the ecological status in permanent rivers and streams, but in temporary streams development has been scarce. Here, we constructed an Invertebrate Multimetric index (INVMIB) to assess the ecological status of temporary streams in...
Article
We studied two forested, headwater streams to compare patterns of invertebrate community structure and consequences for ecosystem functioning in two temperate locations, Galicia (NW Spain) and Vancouver (SW Canada). The two sites were selected due to the similar dominance of congeneric invertebrate species, as well as similarity in their hydromorph...
Article
tNORTI (NORThern Spain Indicators system) is a predictive model for assessing the ecological status ofrivers of Northern Spain based on invertebrates. The system can be used to assign any test site to atype of river under minimal disturbed conditions. Macroinvertebrates were sampled with a multihabi-tat approach from 676 sites covering the variatio...