Narcı́s Prat

ORCID: 0000-0002-1550-1305
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About
Contact & Profiles
Research Areas
  • Freshwater macroinvertebrate diversity and ecology
  • Fish Ecology and Management Studies
  • Aquatic Invertebrate Ecology and Behavior
  • Historical and socio-economic studies of Spain and related regions
  • Hydrology and Sediment Transport Processes
  • Water Quality and Pollution Assessment
  • Hydrology and Watershed Management Studies
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Mediterranean and Iberian flora and fauna
  • Soil and Water Nutrient Dynamics
  • Water resources management and optimization
  • Water Resource Management and Quality
  • Environmental DNA in Biodiversity Studies
  • Species Distribution and Climate Change
  • Environmental Toxicology and Ecotoxicology
  • Coastal wetland ecosystem dynamics
  • Lepidoptera: Biology and Taxonomy
  • Diatoms and Algae Research
  • Environmental and Cultural Studies in Latin America and Beyond
  • Invertebrate Taxonomy and Ecology
  • Fish biology, ecology, and behavior
  • Fire effects on ecosystems
  • Soil erosion and sediment transport
  • Heavy metals in environment
  • Diptera species taxonomy and behavior

Universitat de Barcelona
2016-2025

Institute of Agrifood Research and Technology
2023

Institute of Hydrobiology, Biology Centre, Academy of Sciences of the Czech Republic
2023

Institute of Environmental Assessment and Water Research
2021

Institut de Biologia Evolutiva
2020

Barcelona School of Economics
2014

Clínica Diagonal
2005-2011

Asociación Española de Urología
2002-2006

Universidad de Granada
2004

Aquatic insects and other benthic invertebrates are the most widely used organisms in freshwater biomonitoring of human impact. Because high monetary investment management, decisions often based on results, a critical comparative review different approaches is required. We 12 criteria that should be fulfilled by an "ideal" tool, addressing rationale, implementation, performance method. After illustrating how century-old but still Saprobian system does not meet these criteria, we apply them...

10.1146/annurev.ento.51.110104.151124 article EN Annual Review of Entomology 2005-08-31

Abstract An index of riparian quality useful for the management streams and rivers is presented. The purpose to provide managers with a simple method evaluate habitat quality. easy calculate can be used together any other water assess ecological status rivers. It may also tool defining ‘high status’ under EC Water Framework Directive. index, named QBR, based on four components habitat: total vegetation cover, cover structure, channel alterations. takes into account differences in...

10.1002/aqc.529 article EN Aquatic Conservation Marine and Freshwater Ecosystems 2002-08-14

Drought leads to a loss of longitudinal and lateral hydrologic connectivity, which causes direct or indirect changes in stream ecosystem properties. Changes macrohabitat availability from riffle–pool sequence isolated pools are among the most conspicuous consequences connectivity loss. Macroinvertebrate assemblages were compared 3 distinct macrohabitats (riffles [R], connected riffles [Pc], disconnected [Pd]) 19 Mediterranean-climate sites northern California examine influence habitat...

10.1899/0887-3593(2006)25[32:bmaamc]2.0.co;2 article EN Journal of the North American Benthological Society 2006-03-01

Abstract. Temporary streams are those water courses that undergo the recurrent cessation of flow or complete drying their channel. The structure and composition biological communities in temporary stream reaches strongly dependent on temporal changes aquatic habitats determined by hydrological conditions. Therefore, structural functional characteristics fauna to assess ecological quality a reach cannot be used without taking into account controls imposed regime. This paper develops methods...

10.5194/hess-16-3165-2012 article EN cc-by Hydrology and earth system sciences 2012-09-06

Abstract Aim 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 their mechanisms. Here, we used a set of perennial ( PR ) intermittent IR rivers assess if vary seasonally response flow intermittence. Location Mediterranean climate region (100,000 km 2 ), Spain. Methods We modelling approach the...

10.1111/jbi.13077 article EN Journal of Biogeography 2017-08-20

The mean annual flow of the lower Ebro river has reduced by 29% during this century (592 to 426 m3 s−1). main causes are increased water use and evaporation from reservoirs in basin. losses due irrigation explain 74% decrease, whereas another 22%. Decreased caused an increase salt wedge estuary. During study period, permanent low flows July 1988 April 1990 continuous presence for 18 months. Historical data sediment transport scarce incomplete. Limited before construction basin allow only...

10.1002/(sici)1099-1646(199601)12:1<51::aid-rrr376>3.0.co;2-i article EN Regulated Rivers Research & Management 1996-01-01

River discharge is the main factor controlling hydrologic dynamics of Ebre and Rhone estuaries. The topography estuary bed also influences extent, advance, retreat salt wedge. Tides have little influence because low tidal range. Mean annual river close to critical value determining formation breakup This related fact that flow controls sedimentary estuary, including sandbar at mouth. When lower than mean flow, wedge established becomes a depositional environment. With higher flows washed...

10.4319/lo.1997.42.1.0089 article EN Limnology and Oceanography 1997-01-01

ABSTRACT The assessment of the ecological status water bodies, as requires by European Water Framework Directive, can raise a number problems when applied to temporary streams. These are because particular physical, chemical and biological conditions resulting from recurrent cessation flow or even complete drying stream beds. In such non‐permanent reference quality standards developed for permanent streams may only be applicable under certain circumstances not at all. Work conducted within...

10.1002/rra.2757 article EN River Research and Applications 2014-04-24

Abstract Aim To analyse temporal metacommunity dynamics in river networks relation to hydrological conditions and dispersal. Location Fifteen reaches from the Llobregat, Besòs Foix catchments North‐Eastern Iberian Peninsula. Taxon Aquatic macroinvertebrates belonging 99 different families. Methods We sampled aquatic macroinvertebrate communities during spring 20 consecutive years. built two environmental distances (one related with water chemistry another one flow regime) spatial (network...

10.1111/jbi.13913 article EN Journal of Biogeography 2020-07-05

Summary 1. According to the guidelines of European Water Framework Directive, assessment ecological quality streams and rivers should be based on ecotype‐specific reference conditions. Here, we assess two approaches for establishing a typology Mediterranean streams: top‐down approach using environmental variables bottom‐up macroinvertebrate assemblages. 2. Classification 162 sites resulted in five ecotypes: (i) temporary streams; (ii) evaporite calcareous at medium altitude; (iii) siliceous...

10.1111/j.1365-2427.2007.01826.x article EN Freshwater Biology 2007-07-12
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