Ecological assessment of the lowland relit forest “Bosco delle Sorti della Partecipanza” in Trino (North-Western Italy), applying Diptera Syrphidae as bioindicators

Abstract

The survey has been realized in the lowland relict forest Bosco delle Sorti della Partecipanza, a site situated in Trino (Piedmont, North-Western Italy), to assess the ecological conservation level of forest habitats using the Syrph the Net methodology. 67 species were recorded, using three Malaise traps, seven Emergence traps and several Net transect in the year 2020. Among these species, 6 are reported for the first time in Piedmont region, 19 are considered decreasing at European level and 2 are threatened in Europe. Forest habitats under scrutiny in the study area are oak-hornbeam mesophilic woodland and alluvial alder lowland. The data analysis allowed to compare observed with expected syrphids for each habitat. At the ecosystem level, the ecological integrity of the forest is moderately negative but the alluvial alder forest macrohabitat can be considered good and overall saproxylic and saprophagous species are particularly well-preserved. The presence of a high number of rare or decreasing species makes Trino wood an important source of biodiversity in Po Plain.

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References

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Published
2021-08-06
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Section
Entomology
Keywords:
Syrph the Net, bioindicator, hoverflies, pollinators, Piedmont, ecological integrity, Myolepta obscura
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How to Cite
Maritano, U. (2021). Ecological assessment of the lowland relit forest “Bosco delle Sorti della Partecipanza” in Trino (North-Western Italy), applying Diptera Syrphidae as bioindicators. Journal of Entomological and Acarological Research, 53(2). https://doi.org/10.4081/jear.2021.9617