Carabids benefit more from pine stands with added understory or second story of broad-leaved trees favored by climate change than from one-storied pine stands

The released excess anthropogenic nitrogen and carbon produces habitat enrichment, as exemplified by the modification of one-storied pine stands by introducing deciduous species into the understory or second story. In this study, we discuss the validity of pine stand modification by pitfall-trapping...

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Bibliographic Details
Published in:European journal of forest research 2018-10, Vol.137 (5), p.745-757
Main Authors: Skłodowski, Jarosław, Bajor, Paula, Trynkos, Michał
Format: Article
Language:English
Subjects:
Anthropogenic factors
Beetles
Biodiversity
Biomedical and Life Sciences
Climate change
Decomposing organic matter
Forestry
Humus
Introduced species
Life Sciences
Litter
Original Paper
Pine
Plant Ecology
Plant Sciences
Species
Understory
Value analysis
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Summary:The released excess anthropogenic nitrogen and carbon produces habitat enrichment, as exemplified by the modification of one-storied pine stands by introducing deciduous species into the understory or second story. In this study, we discuss the validity of pine stand modification by pitfall-trapping epigeic carabid beetles. Two hypotheses were formulated: (1) proportion of late-successional species is higher in assemblages inhabiting pine stands with understory or a second story than in one-storied pine stands; (2) plant litter composition affects carabid beetle assemblages more than other environmental variables. Additionally, characteristic carabid species of the respective pine stand types were identified. GLMM analysis revealed a higher proportion of late-successional species in pine stands with understory or a second story than in one-storied ones. NMDS separated those pine stand types. RDA analysis indicated that pine litter and humus had the strongest effect on carabid beetle assemblage structure in one-storied stands, being drier and thicker in this stand type than in the others. Indicator value analysis identified two characteristic non-forest species in one-storied stands The study revealed that the introduction of understory and particularly a second story into pine stands increased carabid beetle diversity and the proportion of late-successional species, confirming the validity of pine stand modification.
ISSN:1612-4669
1612-4677
DOI:10.1007/s10342-018-1137-9