說明
'DEMNA-DNE : Occurrences of Diatoms (Bacillariophyceae) in running waters of Wallonia, Belgium' is a presence-only occurrence dataset resulting of the biological monitoring of surface water bodies carried out by the hydrobiology unit of the Département d'Etude du Milieu Naturel et Agricole and its partners (SPW-ARNE-DEMNA).
The diatoms monitoring is running since 2005, in order to assess the trends of the biological status of surface water bodies in Wallonia, together with macrohpytes, fishes and macro invertebrates indicators. The current monitoring network is composed of more than 440 sites, distributed among all streams from the hydrographic districts of the Meuse, the Scheldt, the Rhine and the Seine in Wallonia.
The monitoring is ongoing in the context of the EU Water Framework Directive, and thus follows standardised sampling protocols (IPS -Specific Pollution Sensitivity Index, according a methodology derived from the French standard AFNOR XP T90-354).
The data has been cleaned for quality issues prior to GBIF publication and thus is not prefectly comparable to the expertised data basis used for the IPS calculation and biological quality reporting. Please feel free to get in touch for any request or return regarding this dataset or the underlying monitoring work.
資料紀錄
此資源出現紀錄的資料已發佈為達爾文核心集檔案（DwC-A），其以一或多組資料表構成分享生物多樣性資料的標準格式。 核心資料表包含 125,374 筆紀錄。
此 IPT 存放資料以提供資料儲存庫服務。資料與資源的詮釋資料可由「下載」單元下載。「版本」表格列出此資源的其它公開版本，以便利追蹤其隨時間的變更。
版本
以下的表格只顯示可公開存取資源的已發布版本。
如何引用
研究者應依照以下指示引用此資源。:
Msaaf M, DEMNA-DNE hydrobiology unit and collaborators (2023). "DEMNA-DNE : Occurrences of Diatoms (Bacillariophyceae) in running waters of Wallonia, Belgium." Version 1.0. Service Public de Wallonie – Département d’Etude du Milieu Naturel et Agricole (SPW – DEMNA). Occurrence dataset. https://ipt.biodiversity.be/resource?r=demnadiatoms&v=1.0
權利
研究者應尊重以下權利聲明。:
此資料的發布者及權利單位為 Service Public de Wallonie – Département d’Etude du Milieu Naturel et Agricole (SPW – DEMNA)。 This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF 註冊
此資源已向GBIF註冊，並指定以下之GBIF UUID: 658e39ee-33ea-40e5-b1d3-b0c0282e20d7。 Service Public de Wallonie – Département d’Etude du Milieu Naturel et Agricole (SPW – DEMNA) 發佈此資源，並經由Belgian Biodiversity Platform同意向GBIF註冊成為資料發佈者。
關鍵字
Occurrence; diatoms; rivers; biological quality; Wallonia; DEMNA; algae; Observation
聯絡資訊
- 元數據提供者 ●
- 出處 ●
- 連絡人
- 出處
- 發布者
https://orcid.org/0000-0002-9052-9500
地理涵蓋範圍
The sampling network is composed of about 440 sites in Wallonia
| 界定座標範圍 | 緯度南界 經度西界 [49.506, 2.94], 緯度北界 經度東界 [50.978, 6.341] |
|---|
分類群涵蓋範圍
Diatoms
| Kingdom | Chromista (Kelp, Diatoms, And Allies) |
|---|---|
| Class | Bacillariophyceae Dangeard, 1933[1] (diatoms) |
時間涵蓋範圍
| 起始日期 / 結束日期 | 2005-06-17 / 2021-11-16 |
|---|
取樣方法
The sampling methodology is derived from the french standard (NF T90-354). Sampling is generally carried out on well-lit sections, preferably on submerged stones, pebbles or boulders, so as to present a diatomic population representative of environmental conditions. Biofilm is collected by scraping the substrate surface with a toothbrush or scraper over a total area of at least 100 cm².
| 研究範圍 | The current monitoring network is composed of more than 440 sampling stations distributed among the Wallonia. The concerned habitats include lentic and lotic brooks, streams, largest rivers and canals from the hydrographic districts of the Meuse, the Scheldt, the Rhine and the Seine. |
|---|---|
| 品質控管 | The Department is ISO9001 certified. Some sampling was performed by external contractors, also certified. Data are submitted to a procedural validation by experts during samling, sorting, identification and encoding of records within the AQUABIO database. |
方法步驟描述:
- Choice of surfaces to be sampled
- Diatom film sampling according to NF T90-354 standard
- Recovery of the biofilm in a pillbox with alcohol
- Mounting on microscope coverslips
- Identification and counting
- Import of the samling results into the AQUABIO Database
- Control and validation of content
- Cleaning and DarwinCore transformation of validated data and publication to GBIF
額外的詮釋資料
| 維護說明 | the dataset will be updated annually, to incorporate validated field season data. |
|---|---|
| 替代的識別碼 | 658e39ee-33ea-40e5-b1d3-b0c0282e20d7 |
| https://ipt.biodiversity.be/resource?r=demnadiatoms |