Integrated Sampling Approaches Enhance Assessment of Saproxylic Beetle Biodiversity in a Mediterranean Forest Ecosystem (Sila National Park, Italy)

Guardat en:

Dades bibliogràfiques
Publicat a:	Insects vol. 16, no. 8 (2025), p. 812-826
Autor principal:	Mendicino Federica
Altres autors:	Carlomagno, Francesco, Bonelli Domenico, Di Biase Erica, Fumo Federica, Bonacci, Teresa
Publicat:	MDPI AG
Matèries:	Italy Community composition Monitoring methods Pitfall traps Beetles Sea level Habitat fragmentation Census Coniferous forests Species diversity Baits Indicator species Ecological function Sampling Beech Habitats Protected areas Climate change Environmental changes Forest ecosystems Forests Populations Effectiveness Threatened species Insects Terrestrial ecosystems Biodiversity Ecosystems Composition National parks Pine Software Conservation Sampling techniques Decomposition Bioindicators Forest management Sampling methods Nutrient cycles Cycles Trees Dead wood New records Coleoptera Environmental
Accés en línia:	Citation/Abstract Full Text + Graphics Full Text - PDF
Etiquetes:	Afegir etiqueta Sense etiquetes, Sigues el primer a etiquetar aquest registre!

Descripció
Resum:	Saproxylic beetles are key bioindicators of forest ecosystem quality and play essential roles in deadwood decomposition and nutrient cycling. However, their populations are increasingly threatened by habitat fragmentation, deadwood removal, and climate-driven environmental changes. For this reason, an integrated sampling method can increase the detection of species with varying ecological traits. We evaluated the effectiveness of integrative sampling methodologies to assess saproxylic beetle diversity within Sila National Park, a Mediterranean forest ecosystem of high conservation value, specifically in two beech forests and four pine forests. The sampling methods tested included Pan Traps (PaTs), Malaise Traps (MTs), Pitfall Traps (PTs), Bait Bottle Traps (BBTs), and Visual Census (VC). All specimens were identified to the species level whenever possible, using specialized dichotomous keys and preserved in the Entomological Collection TB, Unical. Various trap types captured a different number of species: the PaT collected 32 species, followed by the PT with 24, the MT with 16, the VC with 7, and the BBT with 5 species. Interestingly, biodiversity analyses conducted using PAST software version 4.17 revealed that PaTs and MTs recorded the highest biodiversity indices. The GLMM analysis, performed using SPSS software 29.0.1.0, demonstrated that various traps attracted different species with different abundances. By combining multiple trapping techniques, we documented a more comprehensive community composition compared to single-method approaches. Moreover, PaTs, MTs, and PTs recorded 20%, 40%, and 33% of the Near Threatened species, respectively. We report new records for Sila National Park, including the LC species Pteryngium crenulatum (Curculionidae) and the NT species Grynocharis oblonga (Trogossitidae). For the first time in Calabria, the LC species Triplax rufipes (Erotylidae) and the NT species Oxypleurus nodieri (Cerambycidae) and Glischrochilus quadrisignatus (Nitidulidae) were collected. Our results emphasize the importance of method diversity in capturing species with distinct ecological requirements and highlight the relevance of saproxylic beetles as indicators of forest health. These findings support the adoption of multi-method sampling protocols in forest biodiversity monitoring and management programs, especially in biodiversity-rich and structurally heterogeneous landscapes.
ISSN:	2075-4450
DOI:	10.3390/insects16080812
Font:	Agriculture Science Database