J. Jesús Casas Jiménez

Aquatic Ecology Team Leader - Aquatic Ecology & Aquaculture

J. Jesús Casas Jiménez

I studied Biological Sciences at the University of Granada (UGR) (1979-1984), where I also obtained my PhD in 1991. I was a predoctoral fellow of the MEC at the UGR (1986-1990) to carry out my thesis on taxonomy and diversity of chironomid macroinvertebrates from the rivers of Sierra Nevada. As a postdoctoral fellow, I spent one year at the UGR, and made two stays at the University of Pittsburgh (USA) and at the Lunz Biological Station (Austria). I have also made shorter research stays at the CNRS center and the Paul Sabatier University in Toulouse (France), the EAWAG center in Zurich (Switzerland) and the IGB in Berlin (Germany). During these stays, and subsequently, I have done research on aquatic and fluvial ecology, in particular on the dynamics of the river-riverbank ecotone.

Since 2018 I am Professor of Ecology at the University of Almeria, where I continue my research in aquatic ecology, and I teach several subjects of general and aquatic ecology in undergraduate (Environmental Sciences) and master's degrees.

RESEARCH

My research interests run along the lines of biodiversity and the functioning of aquatic ecosystems, with incursions into applied aspects related to the evaluation and management of these ecosystems.

RESEARCH GROUP: Aquatic Ecology and Aquaculture (RNM-346)

RESEARCH LINES:

  • Biodiversity
  • Ecosystem functioning
  • Wetlands, lagoons, rivers
  • Macroinvertebrates, aquatic fungi
  • Submerged vegetation, riverside vegetation

PARTICIPATION IN NETWORKS (REGIONAL/NATIONAL/INTERNATIONAL)

I am a member of the GloBE international network (https://www.globenetwork.es/: GLoBE is an international network of freshwater ecologists, which main aim is to study the patterns and drivers of stream ecosystem functioning at the global scale).

PROJECTS TO HIGHLIGHT

  • Responses to aridity of the trophic nexus riparian-riparian vegetation-river nexus in headwater rivers (RIBARID) (CGL2012-39635). Ministry of Economy and Competitiveness, Plan Nacional de I+D+I, PI: JJ Casas (2012-2015).
  • Evaluation of impacts on the functioning of fluvial ecosystems (IMPARIOS) (CGL2007-66664-C04-02). Ministerio de Economía y Competitividad, Plan Nacional de I+D+I, PI: JJ Casas (2007-2010).

Publicaciones

Climate‐induced plasticity in leaf traits of riparian plants Key plant species and detritivores drive diversity effects on instream leaf litter decomposition more than functional diversity: A microcosm study Elevated temperature may reduce functional but not taxonomic diversity of fungal assemblages on decomposing leaf litter in streams Strategies of shredders when feeding on low‐quality leaf‐litter: Local population adaptations or fixed species traits? Effects of two measures of riparian plant biodiversity on litter decomposition and associated processes in stream microcosms Warming and nutrient-depleted food: Two difficult challenges faced simultaneously by an aquatic shredder Six collective challenges for sustainability of the Almería greenhouse horticulture Climate-driven changes of riparian plant functional types in permanent headwater streams. Implications for stream food webs Climate modulates the magnitude of the effects of flow regulation on leaf-litter decomposition Modelling hydrolysis of leaf litter by digestive enzymes of the snail Melanopsis praemorsa: combination of response surface methodology and in vitro assays Leaf-litter breakdown as an indicator of the impacts by flow regulation in headwater streams: Responses across climatic regions Temperature and substrate chemistry as major drivers of interregional variability of leaf microbial decomposition and cellulolytic activity in headwater streams Efectos del tratamiento con sulfato de cobre (CuSO4) sobre la calidad del agua de balsas de riego Two faces of agricultural intensification hanging over aquatic biodiversity: The case of chironomid diversity from farm ponds vs. natural wetlands in a coastal region Effects of copper sulphate on zooplankton communities in ponds submitted to agricultural intensification Can submerged macrophytes be effective for controlling waterborne phytopathogens in irrigation ponds? An experimental approach using microcosms Disturbance from pond management obscures local and regional drivers of primary producer assemblages Management effects on fungal assemblages in irrigation ponds: Are biodiversity conservation and the control of phytopathogens compatible? Effects of organic matter, alkalinity and pH on acute copper toxicity to mosquitofish, Gambusia holbrooki: Implications for a multipurpose management of irrigation ponds Culture of Spirogyra africana from farm ponds for long-term experiments and stock maintenance. Leaf litter decomposition of native and introduced tree species of contrasting quality in headwater streams: How does the regional setting matter? Effect of sublethal concentrations of waterborne copper on lipid peroxidation and enzymatic antioxidant response in Gambusia holbrooki Diversity in Mediterranean farm ponds: Trade-offs and synergies between irrigation modernisation and biodiversity conservation Construction characteristics and management practices of in-farm irrigation ponds in intensive agricultural systems - agronomic and environmental implications Taxonomic or ecological approaches? Searching for phytoplankton surrogates in the determination of richness and assemblage composition in ponds Farm Ponds as Potential Complementary Habitats to Natural Wetlands in a Mediterranean Region Leaf‐litter colonisation and breakdown in relation to stream typology: insights from Mediterranean low‐order streams The paradox of the conservation of an endangered fish species in a Mediterranean region under agricultural intensification Artificial ponds in a Mediterranean region (Andalusia, southern Spain): agricultural and environmental issues Leaf-litter decomposition in headwater streams: a comparison of the process among four climatic regions Zooplankton richness in farm ponds of Andalusia (Southern Spain). A comparison with natural wetlands
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