Resultats globals: 4 registres trobats en 0.03 segons.
Articles, 4 registres trobats
Articles 4 registres trobats  
1.
18 p, 14.0 MB Natural acid rock drainage in alpine catchments : a side effect of climate warming / Zarroca Bonet, Mario (Universitat Autònoma de Barcelona. Departament de Geologia) ; Roqué Pau, Carles (Universitat de Girona. Àrea de Geodinàmica Externa i Geomorfologia) ; Linares, Rogelio (Universitat Autònoma de Barcelona. Departament de Geologia) ; Salminci, José G. (Universitat Autònoma de Barcelona. Departament de Geologia) ; Gutiérrez, Francisco (Universidad de Zaragoza. Departamento de Ciencias de la Tierra)
A historical series of aerial photographs spanning more than 70 years (1945-2018) revealed that natural acid rock drainage (ARD) has experienced an intensification in the Noguera de Vallferrera alpine catchment (Central Pyrenees) due to climate change during the last decade. [...]
2021 - 10.1016/j.scitotenv.2021.146070
Science of the total environment, Vol. 778 (July 2021) , art. 146070  
2.
11 p, 1.1 MB Precipitation and transformation of secondary fe oxyhydroxides in a histosol impacted by runoff from a lead smelter / Gao, Xiaodong (University of Arizona. Department of Soil) ; Schulze, Darrell G. (Purdue University. Department of Agronomy)
Secondary Fe (III) oxyhydroxides play a key role in controlling the mobility and bioavailability of trace metals in acidic, sulfate-rich soils, such as mining and smelter sites. Schwertmannite, jarosite, goethite, and ferrihydrite are the most common mineral phases identified in such soils. [...]
2010 - 10.1346/CCMN.2010.0580308
Clays and Clay Minerals, Vol. 58, Núm. 3 (2010) , p. 377-387  
3.
24 p, 586.0 KB Brown and brook trout populations in the Tatra Mountain lakes (Slovakia, Poland) and contamination by long-range transported pollutants / Dočkalová, Kateřina (Univerzita Karlova. Ústav pro životní prostředí) ; Bartrons Vilamala, Mireia (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Holubcová, Jana (Univerzita Karlova. Ústav pro životní prostředí) ; Bacardit, Montserrat (Centre d'Estudis Avançats de Blanes) ; Camarero, Lluís (Centre d'Estudis Avançats de Blanes) ; Gallego, Eva (Institut de Diagnosi Ambiental i Estudis de l'Aigua) ; Grimalt, Joan (Institut de Diagnosi Ambiental i Estudis de l'Aigua) ; Hardekopf, David (Univerzita Karlova. Ústav pro životní prostředí) ; Hořická, Zuzana (Univerzita Karlova. Ústav pro životní prostředí) ; Rosseland, Bjørn Olav (Universitetet for miljø- og biovitenskap) ; Tátosová, Jolana (Univerzita Karlova. Ústav pro životní prostředí) ; Stuchlík1, Evžen (Univerzita Karlova. Ústav pro životní prostředí)
Fish living in the extreme conditions of the Tatra Mountain lakes were evaluated from a biological point of view as well as an important biomarker of long-range transported pollutants. In Veľke Hincovo pleso and in Morskie Oko, specimens of brown trout (Salmo trutta) of extraordinarily advanced age were found (ages of 18+ and 17+ years, respectively). [...]
2015 - 10.1515/biolog-2015-0052
Biologia, Vol. 70, issue 4 (April 2015) , p. 516-519  
4.
2.0 MB Freshwater food web studies : a plea for multiple tracer approach / Soto, David X. (University of New Brunswick (Canada). Department of Biology) ; Gacia, Esperança (Centre for Advanced Studies of Blanes (CEAB-CSIC)) ; Catalán, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Food webs are complex systems of interactions between ecosystem species. Beyond the direct analysis of stomach contents, stable isotopes of carbon (d13C) and nitrogen (d15N) have been used widely to evaluate these trophic relationships and calculate the relative contribution of food sources to a consumer's diet using mixing models. [...]
Las redes tróficas son sistemas complejos de interacciones entre las especies del ecosistema. Más allá del análisis directo de los contenidos estomacales, los isótopos estables del carbono (d13C) y nitrógeno (d15N) se han utilizado con frecuencia para evaluar las conexiones tróficas y calcular la contribución relativa de cada alimento en la dieta de los consumidores mediante modelos de mezcla. [...]

2013
Limnética, Vol. 32, Núm. 1 (2013) , p. 97-106  

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