説明
This data was collected during a playback survey of owls in Warsaw in February, March and April of 2024. The project was organised by the Ornithology Science Club "Jajo" at the University of Warsaw, supported by the Warsaw University of Life Sciences, The Polish Society for the Protection of Birds (OTOP) and Owl Conservation Association (SOS). Over a hundred volunteers took part in the field surveys. In each of the 431 survey points covering most of the city's surface, 3 surveys were conducted. Researchers were listening for spontaneous vocal activity of selected owl species as well as using playback and recording all found owls. The occurrences in this dataset represent both absence and presence data. For each species surveyed at each point, there is either an absence record or one or more presence records in the occurrence table. To protect the precise locations of owls' nests, the coordinates attached to records represent survey points. Some birds were recorded outside of survey points – those observations are provided in this dataset with coordinates of the closest survey point and coordinateUncertaintyInMeters=500.
データ レコード
この sampling event リソース内のデータは、1 つまたは複数のデータ テーブルとして生物多様性データを共有するための標準化された形式であるダーウィン コア アーカイブ (DwC-A) として公開されています。 コア データ テーブルには、1,724 レコードが含まれています。
拡張データ テーブルは1 件存在しています。拡張レコードは、コアのレコードについての追加情報を提供するものです。 各拡張データ テーブル内のレコード数を以下に示します。
この IPT はデータをアーカイブし、データ リポジトリとして機能します。データとリソースのメタデータは、 ダウンロード セクションからダウンロードできます。 バージョン テーブルから公開可能な他のバージョンを閲覧でき、リソースに加えられた変更を知ることができます。
バージョン
次の表は、公にアクセス可能な公開バージョンのリソースのみ表示しています。
引用方法
研究者はこの研究内容を以下のように引用する必要があります。:
Kuczkowska K, Sadkowski D, Baranowska W, Rapczyński J, Chalecki K (2026). Playback survey of owls in Warsaw in 2024. Version 1.1. University of Warsaw. Samplingevent dataset. https://ipt.gbif.pl/resource?r=sowy_warszawa&v=1.1
権利
研究者は権利に関する下記ステートメントを尊重する必要があります。:
パブリッシャーとライセンス保持者権利者は University of Warsaw。 This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF登録
このリソースをはGBIF と登録されており GBIF UUID: b004c221-4e29-4148-88b6-04e9ea2e3e5eが割り当てられています。 Polish Biodiversity Information Network によって承認されたデータ パブリッシャーとして GBIF に登録されているUniversity of Warsaw が、このリソースをパブリッシュしました。
キーワード
Samplingevent; Observation
連絡先
- メタデータ提供者 ●
- 最初のデータ採集者 ●
- 連絡先
https://orcid.org/https://orcid.org/0009-0004-8277-7258
- 最初のデータ採集者
- 最初のデータ採集者
- 最初のデータ採集者
- 最初のデータ採集者
地理的範囲
All survey points were located within city limits of Warsaw, Poland, in a grid of about 1 km x 1 km. Densely built-up areas without suitable trees, especially in the city center, were excluded from the grid. Additional points were added in suitable areas (parks, cemeteries) if they were too far from the existing grid points. Total of 431 point were surveyed.
| 座標（緯度経度） | 南 西 [52.105, 20.857], 北 東 [52.362, 21.261] |
|---|
生物分類学的範囲
Strix aluco, Asio otus, Athene noctua, Glaucidium passerinum, Aegolius funereus, Tyto alba
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Aves |
| Order | Strigiformes |
時間的範囲
| 開始日 / 終了日 | 2024-02-20 / 2024-05-01 |
|---|
収集方法
In each sampling point, the list of possible species was compiled based on habitat characteristics. Species were surveyed from the smallest one to the biggest at each point. For each surveyed species, the researchers were first passively listening for at least two minutes, then used playback and listened for response, marking all observed target species. The playback protocol is described in detail below and takes about 10 minutes per species. Playback was not used if species were already vocally active. Playback was stopped after the first vocal response of the species of interest. For the safety of the smaller species, the playback for them was not used in points where there were spontaneous vocal activity of Strix Aluco.
| Study Extent | The goal of this study was to assess the number of owls of 6 species of interest nesting in Warsaw in 2024. The species of interest were: Strix aluco, Asio otus, Athene noctua, Glaucidium passerinum, Aegolius funereus and Tyto alba. 431 sampling points were selected in the city, following a grid of 1 km x 1 km, and 3 bioacoustic surveys with playback were condicted in each point. |
|---|---|
| Quality Control | Each survey was run by two researchers. All study participants were first instructed and given materials on proper fieldwork methods and recognising species of interest. In every researcher pair, there was at least one person with previous experience in bird or owl monitoring. In case of doubtful identifications, sound recordings were analysed by experts to confirm the species identification. |
Method step description:
- At each point, for each species surveyed: >120 s listening, 10 s playback, 60 s listening, 30 s playback, 120 s listening, 60 s playback, >120 s listening.