Itinerari situat a l’espai protegit dels Secans de Melons i Alfés, al Segrià. Té 8 seccions, una longitud total de 1.946 m i es troba a una altitud de 207 m. L’itinerari s’ha realitzat durant quatre períodes: 1995-1999, 2004-2006, i com a itinerari de baix esforç del 2017-2019 i a partir del 2021.
El recorregut discorre principalment ambients de timoneda presents a l’espai natural, de caràcter obert i de vegetació baixa.
Sampling and data series
Years with data: 14 [1995-1999, 2004-2006, 2017-2019, 2021-2023] Recorded species: 34 (Annual average: 16) Recorded individuals : 8936 (Annual average: 638) Number of recording samples: 331
Climatic variables
Average annual temperature: 14 ºC Average of January minima: 1 ºC Average of July maxima: 32 ºC Annual precipitation: 392 mm
Phenology
The bars show the weekly average butterfly abundance (calculated as the number of specimens per 1000 m) for the set of species recorded in the transect. Dots correspond to the weekly average number of species.
Habitats
The graph shows the relative cover of each habitat type in the whole transect. Since 2000, a botanical characterization has been performed for each itinerary every six years. For itineraries with more than one botanical characterization, you can change from one to another by clicking on the year of characterization.
2017
2007
2000
Sections
The map shows the transect route and the layout of the different sections. The background photograph corresponds to the 1:5000 orthophoto from the Cartographic Institute of Catalonia (ICGC).
Species occurring in this transect
Click to the Table to see the species list ordered by the abundance index average standardized at 100 m. Also, there is the trend each species follows in this itinerary. If you click the trend of any species you will enter Species by itinerary results. For more information about the index and trends calculation see Data analysis
