Narcís Prat

Narcís Prat
University of Barcelona | UB · Section of Ecology. Dept Biologia Evolutiva Ecologia i Ciències Ambientals

Emeritus Professor in Ecology

About

349
Publications
132,227
Reads
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10,632
Citations
Introduction
Specialization in ecology of freshwater ecosystems, including biological indicators of water pollution, eutrophication of reservoirs and large rivers using mainly macroinvertebrates with special emphasis in midges. Work is done in Iberian Peninsula, but also in Ecuador, Colombia and Perú. We have been working in dryland rivers since many years, as well as in river salinization. More information in the web of the Freshwater Ecology and Management Group (FEHM, http://www.ub.edu/fem/index.php/ca/).
Additional affiliations
January 1975 - January 2020
University of Barcelona
Position
  • Professor Emeritus
Description
  • Since January 2020 I'm retired, but is expected that at September 2020 I will be Emeritus professor for a term of 3 years at the UB, Ecology Section. Dept BEECA.
Education
September 2015 - May 2019
University of Barcelona
Field of study
  • Climate Change
September 1995 - May 2019
University of Barcelona
Field of study
  • Water Management
September 1974 - May 2000
University of Barcelona
Field of study
  • Ecology

Publications

Publications (349)
Article
Full-text available
Aquatic insects and other benthic invertebrates are the most widely used organisms in freshwater biomonitoring of human impact. Because of the high monetary investment in freshwater management, decisions are often based on biomonitoring results, and a critical and comparative review of different approaches is required. We used 12 criteria that shou...
Article
This paper refers to the effects of projected water transfers, envisaged in the Spanish National Hydrological Plan, on the ecology of the lower River Ebro and its delta. Present management strategies, have resulted in highly eutrophic river water and a salt wedge which runs for more than 30 km upstream from the river mouth and its presence has been...
Article
Full-text available
1. The life cycles and annual production of the eight most abundant species of chironomids (Prodadius cf. choreus, Tanypus punctipennis, Chironomus bernensis, Chironomus gr. plumosus, Cladopelma virescens, Microchironomus tencr, Tanytarsus gr. lestagei, and Cladotanytarsus atridorsum) were studied from sublittoral and profundal samples taken monthl...
Chapter
Full-text available
Chapter (20) in Book: Dominguez E. & Fernandez H. 2009. Macroinvertebrados Bentónicos Sudamericanos - Sistemática y Biología -. Fundación Miguel Lillo, Tucumán, Argentina. 654 pp.
Article
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En los últimos años se han realizado diversas adaptaciones sobre la utilización de la comunidad de macroinvertebrados acuáticos como indicadores de la calidad del agua en ríos, tanto para su uso por grupos de voluntarios como en las distintas etapas de la educación obligatoria. En este trabajo, después de repasar algunos conceptos básicos sobre mac...
Article
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Life history of benthic faunas of tropical high-altitude cold environments are poorly studied. Here, monthly larval and adult data are presented for Anomalocosmoecus illiesi at Saltana Stream in Ecuador. In cold conditions throughout the year (6 °C), this species showed an asynchronous and continuous production. Larval density showed two peaks in A...
Article
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Chironomids show a wide distribution and can occupy several habitats due to their high adaptive capacity in different freshwater environments. The genus Polypedilum is found along a wide elevational and environmental gradient in the neotropics, and its genetic variability could help to elucidate factors determining its distribution and tolerance to...
Article
The consistent warming of tropical lakes at all depths causes rapid development and long persistence of seasonal hypoxia in the hypolimnion, which greatly reduces the biodiversity of hypolimnetic benthic invertebrates. Full mixing of the water column in a typically annual cool-season creates a benthic habitat suitable for invertebrates but offers l...
Article
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Danzando con quironómidos: Una mirada retrospectiva personal a la investigación y gestión del agua en España. Mi trayectoria como limnólogo me ha permitido observar el desarrollo de la Limnología en la Península Ibérica desde el momento en que Margalef creó el equipo para estudiar el lago de Banyoles (1967). En 45 años he sido docente, investigador...
Article
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Ramón Margalef (1919-2004) fa mig segle va publicar un estudi en el que proposava avaluar l’impacte de la humanitat sobre el planeta amb dos paràmetres, la taxa de creixement demogràfic (r) i la taxa de creixement en l’ús de l’energia (f). Els dos creixements eren exponencials i Margalef trobava di-ferències entre els països desenvolupats (r = 0,01...
Article
The European Water Framework Directive (WFD) mandates to incorporate the participation of stakeholders and the general public in the development and updating of the river basin management plans. So far, the WFD implementation has been mainly focused on perennial rivers without considering temporary rivers properly, neither in biomonitoring programs...
Article
Full-text available
The biomonitoring methods implemented by water authorities are mostly developed for perennial rivers, and do not apply to temporary rivers (TRs). We propose a new classification for TRs to better assess their ecological status. It arises from the LIFE+ TRivers project, which was conducted in the Catalan and the Júcar Mediterranean river basin distr...
Article
Full-text available
Citation: Peñuelas, J.; Germain, J.; Álvarez, E.; Aparicio, E.; Arús, P.; Basnou, C.; Blanché, C.; Bonada, N.; Canals, P.; Capodiferro, M.; et al.
Article
Full-text available
The overall purpose of this study was to assess the knowledge that students have about the ecosystem concept of rivers and their sustainable management. A survey of nine questions gathered responses from 3447 students at three different Spanish education levels (Primary, Secondary, and bachelor's degree in Primary Education) and six different geogr...
Book
Full-text available
Versión hisponible de manera gratuita en este enlace: https://www.biophilia-fbbva.es/publicaciones/protocolo-para-el-diseno-de-reservas-naturales-fluviales-planificacion-sistematica-y-participacion-publica-2/
Article
Aim To analyse temporal metacommunity dynamics in river networks in relation to hydrological conditions and dispersal. Location Fifteen river reaches from the Llobregat, Besòs and Foix catchments in the North‐Eastern Iberian Peninsula. Taxon Aquatic macroinvertebrates belonging to 99 different families. Methods We sampled aquatic macroinvertebra...
Article
Full-text available
Macroinvertebrate diversity patterns in tropical highland Andean rivers We studied the macroinvertebrate diversity patterns at 44 sites in tropical highland streams (from 2600 to 4800 m a.s.l. and from northern Ecuador to southern Peru, South America) within six watersheds. The aquatic macroinvertebratealpha (α) diversity tended to decrease with in...
Article
Full-text available
Towards an Iberian DNA barcode reference library of freshwater macroinvertebrates and fishes Freshwater macroinvertebrates and fishes are focal groups in major ecosystem biomonitoring programs in the Iberian Peninsula. Yet, their use as bioindicators is sometimes constrained by the time and cost needed for sorting macroinvertebrates specimens and t...
Article
Full-text available
The waterbug Aphelocheirus aestivalis is herein recorded for the first time in Northeastern Iberian Peninsula, constituting the first citation of the family Aphelocheiridae in the region. Yet, later on in 1989, the description of three new endemic Iberian species belonging to Aphelocheirus implied the assumption that A. aestivalis was absent in the...
Method
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El document que us presentem és el resultat d'una iniciativa conjunta del Centre Promotor d'Aprenentatge Servei i de l'Oficina de Ciència Ciutadana de Barcelona que pretén acostar la ciència ciutadana i l'aprenentatge servei per assenyalar les semblances i explorar possibilitats de col·laboració.
Article
Full-text available
Ecosystems experience natural disturbances and anthropogenic impacts that affect biological communities and ecological processes. When natural disturbance modifies anthropogenic impacts, current widely used bioassessment metrics can prevent accurate assessment of biological quality. Our aim was to assess the ability of biomonitoring metrics to dete...
Article
Full-text available
Agricultural intensification during the last century has caused river degradation across Europe. From the wide range of stressors derived from agricultural activities that impact rivers, diffuse agricultural pollution has received most of the attention from managers and scientists. The aim of this study was to determine the main stressors exerted b...
Article
Full-text available
BENTHIC FAUNA O F A SERIES O F THREE SPANISH RESERVOIRS ON THE GUADIANA RIVER (SO SPAIN) The benthic fauna of a series of three reservoirs in the Guadiana River (SO Spain) was studied from October 1976 to December 1977. Bimonthly samples were taken at 18 stations, both in the littoral and the profundal zone, and the most striking physicochemical pa...
Poster
Full-text available
This is a summary of the benthos of Spanish reservoirs based in the works of Narcís Prat in Spanihs reservoirs in the 70's. The illustration is from Maria Rieradevall. The book is "Història Natural dels Països Catalans" and is from 1989
Article
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The Earth’s freshwater ecosystems are currently under threat, particularly in developing countries. In Mexico, intensive land use and inadequate monitoring policies have resulted in the severe degradation of the country’s freshwater ecosystems. This study assesses how the macroinvertebrate communities in the Pesquería River, located in Northeastern...
Article
Full-text available
In ecology and evolution, entropic methods are now used widely and increasingly frequently. Their use can be traced back to Ramon Margalef’s first attempt 70 years ago to use log-series to quantify ecological diversity, including searching for ecologically meaningful groupings within a large assemblage, which we now call the gamma level. The same y...
Preprint
Full-text available
Agricultural intensification during the last century has produced river degradation across Europe. From the wide range of pressures derived from agricultural activities that impact rivers, diffuse agricultural pollution has received most of the attention from managers and scientists. The aim of this study was to determine the main pressures exerted...
Conference Paper
Full-text available
Davant del canvi global i la gestió d'un recurs limitat com és l'aigua, és crucial saber com es relaciona la gestió dels recursos terrestres amb la dels aquàtics, especialment en zones de clima mediterrani. Amb un mínim d'un 85 % de cobertura vegetal, les conques estudiades (Rellinars, Talamanca, Mura, Vall d'Horta i Castelló) indiquen que l'evapot...
Conference Paper
Full-text available
Des de 2015, i sobretot des de 2016, hi ha hagut un canvi en el model d'explotació de les captacions d'aigua de Sant Llorenç Savall. Hi ha hagut una millora de l'estat hidrològic del torrent de la Vall d'Horta en dis-minuir dràsticament l'extracció d'aigua de dos dels pous ubicats a la conca que causava que la riera quedés seca durant bona part de...
Conference Paper
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Els rius temporals mediterranis presenten una ictiofauna autòctona adaptada a la variabilitat hidrològica d'aquests sistemes. Tot i això, degut al canvi climàtic, a l'activitat humana i a la introducció d'espècies al-lòctones, la seva persistència es troba amenaçada. L'estudi, elaborat a quatre rieres del Parc Natural de Sant Llorenç del Munt i l'O...
Book
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El autor describe, con leves toques de humor, su participación como Perito del Fiscal de Delitos Ecológicos en unos 100 juicios realizados en los años ochenta y noventa del pasado siglo. El libro se divide en 19 capítulos donde el autor repasa sus intervenciones en los diferentes juicios agrupadas en los principales tipos de contaminantes (sales, m...
Article
Full-text available
The paper add information about taxonomy and ecology of the widspread midge (in the Andes) Genus 1 Sp2 (Actually Cricotopus(Genus1 ) sp 2). The adult of this subgenus of Cricotopus has not been described until now, so not the subgenus, nost the species have a name. However this is a widspread species in the Andes.
Poster
Full-text available
El proyecto TRivers contribuye a la aplicación de la Directiva Marco del Agua a los Ríos Temporales mediante el desarrollo de herramientas de evaluación del estado ecológico e hidrológico de estos ríos para mejorar su gestión y/o conservación. Dichas herramientas son el software TREHS (Temporary Rivers’ Ecological and Hydrological Status) y la apli...
Article
We present the first Holocene chironomid-based summer temperature reconstruction for the Iberian Peninsula. A sequence from the shallow mountain lake Basa de la Mora (1914 m a.s.l., Central Pyrenees) was analysed and the reconstruction was performed by means of a merged Norwegian–Swiss chironomid calibration dataset. The presence of a multiproxy st...
Poster
Full-text available
RiuNet is an app for smartphones and tablets to be used by citizens to assess the hydrological status and ecological quality of a river following the guidelines of the EU Water Framework Directive. Using a simplified and interactive approach, this app guides the user for the current aquatic phase of the river by the time of sampling, the classifica...
Article
Full-text available
The co-occurrence of larvae of congeneric chironomid species is common in natural stream assemblages, and raises the problem of finding mechanisms to explain the co-existence of species with similar ecological requirements. In this contribution, we explored the co-occurrence of chironomid larvae belonging to congeneric species within four genera of...
Article
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Paleolimnological studies often rely on a single sediment core for reconstructing past environmental changes of an entire lake system. This involves a number of assumptions about the correct representativeness of the living assemblage by the subfossil assemblage. This paper is aimed at understanding the main drivers affecting the dispersion and tra...
Conference Paper
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Al llarg de 5 anys es van estudiar les comunitats de macroinvertebrats de trams de capçalera de dos torrents del Montseny de característiques i altitud similar però amb règims climàtics i hidrològics diferents, l’un de clima més temperat i amb règim permanent (torrent de Coll Pregon: Teb1), i l’altre de clima més mediterrani i amb règim intermitent...
Chapter
Full-text available
RESUMEN En el proyecto CLAM2 se han estudiado las comunidades biológicas actuales y subfósiles de los lagos de Enol y Marboré, así como las secuencias palinológicas y lluvia polínica de ambos sistemas para poder obtener indicadores fiables de cambio global en escalas temporales largas. Los resultados muestran que el lago Enol tiene unos valores de...
Chapter
Full-text available
RESUMEN En este proyecto se analizan la comunidad actual de diatomeas y quironómidos así como la comu-nidad pasada de los últimos 4000 años mediante el registro sedimentario de La Mosca, una laguna somera situada en las altas cumbres de Sierra Nevada. Nuestro objetivo es la identificación de bioindicadores potencialmente útiles para los programas d...
Article
Full-text available
This study aims to contribute to the understanding of the impact of Didymosphenia geminata massive growths upon river ecosystem communities’ composition and functioning. This is the first study to jointly consider the taxonomic composition and functional structure of diatom and macroinvertebrate assemblages in order to determine changes in communit...
Technical Report
Full-text available
Annual report of 2017 that the FEHMlab research group of the University of Barcelona performs for the Department of the Environment and the Area of Natural Areas of the Diputació de Barcelona. It is the final result of the studies of the CARIMED 2017 agreement (Efectes del Canvi Ambiental en les comunitats d'organismes dels RIus MEDiterranis). This...
Article
The Podonominae is a subfamily of Chironomidae which immature stages inhabit cold streams and brooks. In South America, most of the species have been reported only from the Andean/Patagonian subregion. However, the knowledge of its diversity from high tropical areas is still scarce. We studied the richness of genera and morphotypes of pupae and pup...
Article
Full-text available
Morphological analysis of all developmental stages (except female), mitochondrial DNA sequences from cytochrome c oxidase subunit I (cox1) and cytological analysis of the polytene chromosomes were used to describe a new species of Chironomus found in the littoral and profundal zones of an endorheic, warm-monomictic lake in Mexico. Male imago is dis...
Article
Full-text available
The genus Oliveiriella (Chironomidae, Orthocladiinae) was erected by Wiedenbrug & Fittkau (1997). The adults have characteristic black spots on their wings and other characteristics similar to the genus Cricotopus. Pupal skins are very characteristic with strong short spines in the anal lobe instead of setae, while larvae are distinguishable by the...
Poster
In Europe, the implementation of the Water Framework Directive has been unable to provide a solution to determine the ecological status of Intermittent Rivers and Ephemeral Streams (IRES). A lack of adequate methods (developed exclusively for perennial streams), hydrological data, and limited recognition in environmental policies have posed a major...
Article
Metacommunity assembly mechanisms have been traditionally considered stable through time. However, in highly dynamic systems with varying local environmental conditions and patch connectivity, communities are likely to experience temporal shifts in their assembly mechanisms. Here, we used a set of perennial (PR) and intermittent (IR) rivers to asse...
Article
When the regime of a river is not perennial, there are four main difficulties with the use of hydrographs for assessing hydrological alteration: i) the main hydrological features relevant for biological communities are not quantitative (discharges) but qualitative (phases such as flowing water, stagnant pools or lack of surface water), ii) stream f...
Conference Paper
Full-text available
Resum Els cursos d'aigua de la Serralada Litoral Catalana difícilment flueixen de manera permanent ja que les conques de drenatge són relativament petites i la major part d'anys s'hi dóna dèficit hídric. Aquest fet dificulta l'avaluació de l'estat ecològic d'aquests rius i rieres temporals, ja que els indicadors biològics utilitzats han estat disse...
Article
Full-text available
p>The benthos of the high mountain Enol Lake (Picos de Europa National Park, Spain) was analyzed in order to understand the spatiotemporal factors and patterns controlling its current Chironomidae community. In total, more than 14,000 chironomid larvae were identified, belonging to 27 taxa. The results have pointed out the presence of 3 main chiron...
Article
Full-text available
Potash mining is significantly increasing the salt concentration of rivers and streams due to lixiviates coming from the mine tailings. In the present study, we have focused on the middle Llobregat basin (northeast Spain), where an important potash mining activity exists from the beginning of the XX century. Up to 50 million tonnes of saline waste...
Article
Water scarcity is becoming one of the greatest challenges that human societies will face during this century. Monitoring water availability is expensive and technically challenging. In this regard, biological communities (e.g. aquatic insects) offer a cost-effective alternative, since they integrate temporal and spatial hydrological variability. He...
Article
Current biodiversity loss is characterized by the extinction of top predators, but small-bodied freshwater fish are often overlooked in research and conservation management even when threatened because they usually lack commercial value. Therefore, the ecosystem impacts of their possible loss remain mostly unknown. We assessed whether the presence/...
Research
Full-text available
Dissemination article on temporary rivers. LIFE+ TRivers project www.lifetrivers.eu
Article
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This study aimed to strengthen the knowledge of Didymosphenia geminata distribution in Spain, and to determine which environmental variables were related to its regional distribution and temporal changes in growth and production in two Ebro River tributary basins (Iregua and Najerilla¸ La Rioja Region). Living cells of D. geminata were present in 4...
Conference Paper
Full-text available
Las políticas europeas exigen un cambio importante en los modelos de gestión de los ecosistemas fluviales llevados a cabo habitualmente, de manera que los ríos deben ser tratados desde una perspectiva ecosistémica, superando las concepciones puramente hidráulicas. Para ello, se antoja necesario un cambio de percepción social sobre los ríos, y un pu...