Realm: Terrestrial
Climate: Temperate
Biome: Multiple Central latitude: 49.872790
Central longitude: 10.547040
Duration: 5 years, from 2016 to 2020
Climate: Temperate
Biome: Multiple Central latitude: 49.872790
Central longitude: 10.547040
Duration: 5 years, from 2016 to 2020
6895 records
583 distinct species
Across the time series Sulcacis nitidus is the most frequently occurring speciesMethods
In 2015, we established six study sites, each containing three subplots differing in their levels of sun exposure: (a) sun-ex-posed on a forest meadow, (b) canopy-shaded within a closed forest stand and (c) artificially shaded by mesh nets on a forest meadow. The third treatment was implemented to obtain shaded conditions without any bias of covarying factors from the forest stand, but because of its manipulation nature, it is not included in this time series for BioTIME. Freshly cut logs of six different tree species were randomly exposed in early 2015 on each subplot, including two softwood broadleaf tree species: European hornbeam Carpinus betulus and European aspen Populus tremula; two hardwood broadleaf tree species: European beech F. sylvatica and sessile oak Q. petraea; and two coniferous tree species: silver fir Abies alba and Scots pine P. sylvestris (henceforth only the genus names are used for simplicity). All logs were felled in the study area and had a similar mean diameter of 32.9 (SD ± 5.6) cm and a similar mean length of 303 (SD ± 10.4) cm. To prevent possible influences of ground vegetation, all logs were placed on oak logs with a diameter of 25 cm. Communities of saproxylic beetles and spiders were sampled using stem emergence traps. Traps were filled with saturated saline solution as sampling fluid and emptied monthly between April and September from 2016 to 2020. Between years, trap positions were shifted on the logs to avoid bias due to trap coverage. Emerging beetles and spiders were determined by taxonomic specialists according to Freude, Harde and Lohse (19631984) and Heimer and Nentwig (1991). Beetles were classified as saproxylic according to Schmidl and Bussler (2004). Plot code in SampleDescr means: first letter Plot (A-F), second treatment (O,G), third tree species (A: Populus tremula, E: Quercus petraea, H: Carpinus betulus, K: Pinus sylvestris, R: Fagus sylvatica T: Abies alba), fourth letter"_b" for beetle and "_s" for spiderCitation(s)
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