說明
Since 1984, monitoring has been carried out to observe migration phenology and quantify the abundance of migratory adults trout and sea trout in Nivelle basin. A trapping system controls adults salmon migration by means of 2 traps, one in the downstream part and an other upstream to estimate the effectiveness. On this occasion, biometric characteristics are developed to characterize the population in order to feed this data set.
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 15,130 筆紀錄。
亦存在 1 筆延伸集的資料表。延伸集中的紀錄補充核心集中紀錄的額外資訊。 每個延伸集資料表中資料筆數顯示如下。
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。:
Lange F, Dumas J, Rives J, Aymes J, Prévost E, Marchand F (2024). Phenology and biological traits of migrating brown trouts and sea trouts sampled by trapping in the Nivelle river (France).. Version 1.3. Institut national de recherche pour l’agriculture, l’alimentation et l’environnement (INRAE). Occurrence dataset. https://ipt.gbif.fr/resource?r=inrae_nivelle_pieges_trf_trm&v=1.3
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 Institut national de recherche pour l’agriculture, l’alimentation et l’environnement (INRAE)。 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: e0294122-6838-4e18-8fdc-756ac24ec6b4。 Institut national de recherche pour l’agriculture, l’alimentation et l’environnement (INRAE) 發佈此資源，並經由GBIF France同意向GBIF註冊成為資料發佈者。
關鍵字
Occurrence; population composition; trapping; sea trout; brown trout; smot; migration; phenology
聯絡資訊
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地理涵蓋範圍
The Nivelle river in Basque Country (France). http://services.sandre.eaufrance.fr/Courdo/Fiche/client/fiche_courdo.php?CdSandre=S52-0400
| 界定座標範圍 | 緯度南界 經度西界 [43.24, -1.67], 緯度北界 經度東界 [43.39, -1.48] |
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分類群涵蓋範圍
無相關描述
| Species | Salmo trutta (Linnaeus, 1758) (sea trout), Salmo trutta (Linnaeus, 1758) (brown trout) |
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時間涵蓋範圍
| 起始日期 / 結束日期 | 1983-11-08 / 2023-12-18 |
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取樣方法
The Uxondoa and Olha traps are in continuous operation from March to January, except during periods of high flooding. The traps are checked at least once a day.
| 研究範圍 | Nivelle river, CdSandre=S52-0400 Latitude between 43.2426 and 43.3912; longitude between -1.4799 and -1.6694 Source latitude and longitude : 43.2173 -1.5231 Last confluence point latitude and longitude : 43.3854 -1.6639 The Nivelle is a 39 km long coastal stream of Pays Basque. It has its source in Spain and flows into the Bay of Biscay at Saint-Jean-de-Luz. Its drainage basin has a surface area of 238 km2, and is dominated by marly-calcareous formations. It is essentially agro-pastoral with more than 50% of the land area made of moors (Dumas, 2003). The oceanic climate, mild and wet (1700 mm year-1 in St-Pe´e-sur-Nivelle), provides a mean annual discharge of 5.4m3 s-1 downstream from the confluence of the main tributary, the Lurgorrieta, and 7 m3 s-1 at the mouth. The water, neutral to slightly alkaline, is of good quality upstream from Saint-Pée-sur-Nivelle, but deteriorates downstream. |
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方法步驟描述:
- Adult brown trout and sea trout have been monitored since 1984 by trapping at Uxondoa trap in the Lower Nivelle operating the whole year. Trap configuration allows only partial capture depending on the flow. A second upstream trap at olha in the upper Nivelle (since 1992) allows to estimate the effectiveness.Biometric measurement of the fish are recorded after their anesthesia with benzocaïne. The fish length is measured from the tip of the mouth to the fork of the caudal fin (1 millimeter precision). Fish are then weighed (0.2 g precision), sexed and maturity status is assessed by a gentle pressure on the belly that allows to get sperm in mature males. All the fish sampled are then released.
收藏資料
| 蒐藏名稱 | Colisa - Collection of Ichtyological Samples |
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| 蒐藏編號 | https://colisa.fr/ |
額外的詮釋資料
| 替代的識別碼 | e0294122-6838-4e18-8fdc-756ac24ec6b4 |
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| https://ipt.gbif.fr/resource?r=inrae_nivelle_pieges_trf_trm |