Description
One hundred oak trees were selected from a set of 600 veteran oaks registered in the national oak survey. These oaks were divided into two sets of 50 oaks, where insects can be sampled every second year in each oak. For practical reasons, these two sets represent two different geographical regions; region East (Oslo, Akershus, Buskerud, Østfold, Telemark & Vestfold) and region West (Agder, Rogaland og Vestland). The oaks for each set were selected at random, with the exception of a doubled likelihood of selecting oaks with a visible cavity in addition to diameter at breast height larger than 200 cm, and a few criteria relating to the number of trees in each plot. The distribution of oaks between counties and with-in/outside of forest was controlled after the selection was made and was considered adequately balanced. Insects were sampled from the 50 selected oaks in region East in June and July in 2023. Two window traps were mounted at each tree, one in the canopy and one at the trunk, next to a cavity if the tree had any. Beetles were identified.
Data Records
The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 1,122 records.
This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.
Versions
The table below shows only published versions of the resource that are publicly accessible.
How to cite
Researchers should cite this work as follows:
Jacobsen R M, Laugsand A E (2024). Overvåking av insekter i hule eiker 2023. Version 1.0. Norwegian Institute for Nature Research. Occurrence dataset. https://ipt.nina.no/resource?r=ins_hul_eik_23&v=1.0
Rights
Researchers should respect the following rights statement:
The publisher and rights holder of this work is Norwegian Institute for Nature Research. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
This resource has been registered with GBIF, and assigned the following GBIF UUID: c2bb836f-2e2f-4abb-8ed4-1990f2539a3b. Norwegian Institute for Nature Research publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF Norway.
Keywords
Occurrence; Specimen
Contacts
- Originator ●
- Point Of Contact
https://orcid.org/0000-0003-4055-1096
- Originator
Geographic Coverage
Southeast Norway
| Bounding Coordinates | South West [58.854, 8.953], North East [59.851, 11.047] |
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Taxonomic Coverage
No Description available
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Class | Insecta |
| Order | Coleoptera |
| Family | Helophoridae, Ptiliidae, Carabidae, Silphidae, Histeridae, Leiodidae |
Temporal Coverage
| Start Date / End Date | 2023-06-01 / 2023-07-31 |
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Project Data
One hundred oak trees were selected from a set of 600 veteran oaks registered in the national oak survey. These oaks were divided into two sets of 50 oaks, where insects can be sampled every second year in each oak. For practical reasons, these two sets represent two different geographical regions; region East (Oslo, Akershus, Buskerud, Østfold, Telemark & Vestfold) and region West (Agder, Rogaland og Vestland). The oaks for each set were selected at random, with the exception of a doubled likelihood of selecting oaks with a visible cavity in addition to diameter at breast height larger than 200 cm, and a few criteria relating to the number of trees in each plot. The distribution of oaks between counties and with-in/outside of forest was controlled after the selection was made and was considered adequately balanced. Insects were sampled from the 50 selected oaks in region East in June and July in 2023. Two window traps were mounted at each tree, one in the canopy and one at the trunk, next to a cavity if the tree had any.
| Title | Overvåking av insekter i hule eiker |
|---|---|
| Funding | Miljødirektoratet |
Additional Metadata
| Alternative Identifiers | https://ipt.nina.no/resource?r=ins_hul_eik_23 |
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