説明
This dataset details approved records from the Shark Trust's Great Eggcase Hunt, active since 2003. Comprised of citizen science observations, both on land and in-situ, records of eggcases from around the world have been complied to help better understand these oviparous species. Data comes from ad-hoc records, regular surveys and data uploads from partner organisations. Please note that not all records are verified, but this has been indicated in the extended Measurements or Facts.
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、38,092 レコードが含まれています。
拡張データ テーブルは2 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。:
Allen H, Gordon C (2026). Great Eggcase Hunt - global citizen science observations of chondrichthyian eggcases. Version 1.2. Shark Trust. Samplingevent dataset. https://www.dassh.ac.uk/ipt/resource?r=st_greateggcasehunt&v=1.2
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 Shark Trust。 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: 3410af95-8fc6-4122-876d-d2ce503910caが割り当てられています。 Ocean Biodiversity Information System 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Shark Trust が、このリソースをパブリッシュしました。
キーワード
Samplingevent; oviparity; Egg; social participation; Chondrichthyes; Observation
連絡先
- メタデータ提供者 ●
- 最初のデータ採集者 ●
- 連絡先
- Data Analyst
- 4 Creykes Court, 5 Craigie Drive
https://orcid.org/0000-0001-5108-2032
- 最初のデータ採集者 ●
- 連絡先
- Senior Conservation Officer
地理的範囲
Global, with a participation bias from the British Isles.
| 座標（緯度経度） | 南 西 [-90, -180], 北 東 [90, 180] |
|---|
生物分類学的範囲
Chondrichthyes, specifically Heterodontidae, Orectolobidae, Rajidae, Scyliorhinidae and Chimaeriformes
| Class | Chondrichthyes |
|---|---|
| Order | Chimaeriformes (chimaeras) |
| Family | Heterodontidae (bullhead sharks), Orectolobidae (carpet shark), Rajidae (skate), Scyliorhinidae (catsharks) |
時間的範囲
| 開始日 / 終了日 | 2003-01-01 / 2024-12-31 |
|---|
プロジェクトデータ
The Shark Trust’s Great Eggcase Hunt engages communities in searching for, identifying, and recording the eggcases of sharks, skates and chimaera. This feeds a better understanding of these species, and which areas provide important habitats like egglaying grounds. Some citizen scientists regularly submit finds from their local beaches, while others may make a new shoreline discovery that leads them to discover what a mermaid’s purse really is. With over half a million eggcases recorded by the public over 20+ years, this dataset displays the broad distribution, diversity of species, and relative abundance of sharks, skates and chimaera around the British Isles and further afield. This data allows for an improved understanding of this important development stage of a sharks or skates life-cycle.
| タイトル | Great Eggcase Hunt - global citizen science observations of chondrichthyian eggcases, 2003-present. |
|---|---|
| 識別子 | ST_GEH |
| ファンデイング | Historic funders include: Co-op, Countryside Council for Wales, Crown Estates, DTO Bio-Flow, Esmée Fairbairn Foundation, Museums and Galleries of Wales, National Lottery Heritage Fund, Natural England, Save Our Seas Foundation, Scottish Natural Heritage, Sea Changers and donations received through specific Shark Trust appeals. |
| Study Area Description | Global, with a participation bias from the British Isles. |
| 研究の意図、目的、背景など（デザイン） | Eggcases can be recorded from anywhere around the world, whether recorded in-situ, or washed ashore on the beach, in the sand dunes or the car-park. Records are submitted on an ad-hoc basis, with some Eggcase Champions and partner organisations undertaking more regular, structured surveys. |
プロジェクトに携わる要員:
- データ所有者
収集方法
Records are gathered from citizen science observations submitted on an ad-hoc basis, with some Eggcase Champions and partner organisations undertaking more regular, structured surveys.
| Study Extent | Data is generated from citizen science observations. Many are ad-hoc finds, while some areas are more regularly surveyed using a standardised methodology. The majority of finds are from beach records, with some being in situ records observed while snorkelling or diving. |
|---|---|
| Quality Control | All data has been approved by a member of staff or via a user of the Community Verification Platform before publication. All records have undergone internal Quality Checks, with checks made against known species range and pin location checked and adjusted as required. |
Method step description:
- NA
追加のメタデータ
| 謝辞 | This dataset would not be possible without the contributions of all citizen scientists and organisations that have participated. Whether reporting one ad-hoc find or thousands of records over the span of years, every record has helped build towards this combined dataset. Data transformation and publication was funded by the European Union under the Horizon Europe Programme with Grant Agreement No. 101112823 (DTO-BioFlow) through an FSTP call. |
|---|---|
| はじめに | The Shark Trust’s Great Eggcase Hunt engages communities in searching for, identifying, and recording the eggcases of sharks, skates and chimaera. This feeds a better understanding of these species, and which areas provide important habitats like egglaying grounds. Some citizen scientists regularly submit finds from their local beaches, while others may make a new shoreline discovery that leads them to discover what a mermaid’s purse really is. With over half a million eggcases recorded by the public over 20+ years, this dataset displays the broad distribution, diversity of species, and relative abundance of sharks, skates and chimaera around the British Isles and further afield. This data allows for an improved understanding of this important development stage of a sharks or skates life-cycle. |
| Getting Started | This data is comprised of three tables: Event, Occurrence and extended measurements or facts. The field 'search effort' details the number of participants taking part in the survey as a measure of effort. However, this field has only been in use since 2022. The field 'locationRemarks' details whether the eggcase was seen developing in-situ underwater, or it was recorded on-shore - likely a spent eggcase. While every record is checked by a member of staff or through the Community Verification Platform, 'identificationVerificationStatus' flags whether the record had any evidence to prove the species ID. Accepted evidence types include a photograph, specimen or expert ID. |
| 目的 | This dataset displays the broad distribution, diversity of species, and relative abundance of sharks, skates and chimaera around the British Isles and further afield. |
| メンテナンス内容 | Each subsequent year of data will be uploaded once internal QC has been completed. |
| 代替識別子 | https://www.dassh.ac.uk/ipt/resource?r=st_greateggcasehunt |