說明
The dataset presents occurrences and abundance of zooplankton taxa obtained from different surveys conducted between 2002 and 2020. The surveys were conducted in different water bodies and habitat types within the Lake Albert system. The water bodies include Lake Edward, associated lagoons and rivers.
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 1,482 筆紀錄。
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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。:
Kiggundu V, Egessa R, Mwebaza-Ndawula L (2022): Zooplankton occurrences and abundance in the Lake Albert system, Uganda. v1.0. National Fisheries Resources Research Institute. Dataset/Occurrence. http://ipt-uganda.gbif.fr/resource?r=albert_zooplankton&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 National Fisheries Resources Research Institute。 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: f96f2ea7-da31-452d-9ce9-2d22847cebd3。 National Fisheries Resources Research Institute 發佈此資源，並經由GBIF Uganda同意向GBIF註冊成為資料發佈者。
關鍵字
Occurrence; Uganda; Zooplankton; Lake Albert
聯絡資訊
- 元數據提供者 ●
- 出處 ●
- 連絡人
- 出處
- 出處
- 使用者 ●
- 連絡人
地理涵蓋範圍
This work was part of research and monitoring studies done in predetermined localities of Lake Albert, Luzira lagoon, and river mouths of Rivers Nkusi, Waki, Muzizi, and Wambabya.
| 界定座標範圍 | 緯度南界 經度西界 [0.923, 30.245], 緯度北界 經度東界 [2.504, 31.575] |
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分類群涵蓋範圍
The taxa include three broad groups of zooplankton: Copepoda, Cladocera and Rotifera
| Class | Hexanauplia |
|---|---|
| Family | Calanoidae, Cyclopoidae |
| Genus | Alona, Ascomorpha, Asplanchna, Chydorus, Euclanis, Eucyclops, Hexathra, Macrothrix, Mesocyclops, Simocephalus, Synchaeta |
| Species | Brachionus angularis, Brachionus bidentata, Brachionus budapestinensis, Brachionus calyciflorus, Brachionus falcatus, Brachionus patulus, Brachionus quadridentatus, Ceriodaphnia cornuta, Ceriodaphnia dubia, Daphnia barbata, Daphnia longispina, Daphnia lumholtzi, Diaphanosoma excisum, Filinia longiseta, Filinia opoliensis, Keratella cochlearis, Keratella tropica, Lecane bulla, Lecane signifera, Moina micrura, Platyias quadricornis, Polyarthra vulgaris, Synchaeta pectinata, Testudinella parva, Thermocyclops incisus, Thermocyclops neglectus, Thermodiaptomus galeboides, Trichocerca cylindrica, Tropocyclops confinnis, Tropocyclops tenellus |
時間涵蓋範圍
| 彙整期間 | 2002-2020 |
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計畫資料
NaFIRRI implemented biodiversity informatics projects in the past but freshwater biodiversity data remained in less useful formats. This data was mobilized from data from available in soft and hard copy records at NaFIRRI. The data was collected through multiple projects that took place over the period covered by the data in the Lake Edward system.
| 計畫名稱 | Zooplankton occurrences and abundance in the Lake Albertine system |
|---|---|
| 辨識碼 | BID-AF2020-145-USE |
| 經費來源 | Data collection was funded by the World Bank through the Agricultural Technology and Agribusiness Advisory Services (AATAS), Agricultural Research and Training Project (ARTP II) projects. More funding was from the Lake Albert and Edward Fisheries II (LAEF) project. |
| 研究區域描述 | This work was part of research and monitoring studies conducted in predetermined localities on water bodies within the Lake Albert system. The area covered Lake Albert and Luzira lagoon while rivers covered were Nkusi, Waki, Muzizi, and Wambabya. |
| 研究設計描述 | The lake and rivers represent wide portion of Lake Edward system, investigated from 2002 to 2020. The study areas represent multiple habitats based on the depth profile, distances from shoreline covering both lentic and lotic habitats. |
參與計畫的人員:
取樣方法
Zooplankton samples were collected with a conical plankton net (Nansen type; mesh size 60 µm and mouth diameter of 0.25 m), towed vertically through the water column, as described by Fernando (2002) and Mwebaza-Ndawula (1994). Three hauls were taken and combined to make composite samples, preserved in 5% formalin and transferred to laboratory for taxonomic analysis and generation of abundance. In the laboratory, each sample was washed with tap water over a 53 µm sieve to remove the preservative and then diluted to a suitable volume, depending on the concentration of organisms in each sample. Sub-samples of 2, 2, 5 and 10 mL were taken with a wide bore automatic pipette from a well agitated sample. The sub-sample series were performed to consider the more abundant organisms in 2, 2 mL series, and the rarer organisms in 2, 2, 5, 10 mL series. Each sub-sample was put into a counting chamber and examined under inverted microscope (Hund, Wetzlar, Germany) at X100 magnification for taxonomic determination, and X40 for counting and organism body measurements.
| 研究範圍 | The water bodies covered were sampled within 2002 to 2020. However, sampling was not consistent for the water bodies over that period. Data is available for specified water bodies for a periods; 2002, 2007, 2013-14, 2016 and 2020. |
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| 品質控管 | Some zooplankton were able to be identified to species level using published taxonomic keys (Sars 1895; Pennak 1953; Brooks 1957; Rutner-Kolisko 1974; Koste 1978; Boxshall & Braide 1991; Korinek 1999). Taxonomic names were cross-checked using the World Register of Marine Species (WoRMS). Volume densities of organisms were calculated from the counts data, with reference to the sample net mouth diameter and water column depth at each sampling site as per Fernando (2002). |
方法步驟描述:
- Collection of the zooplankton A conical plankton net (Nansen type; mesh size 60 µm; mouth diameter 0.25 m) was used to collect the zooplankton. It was towed vertically through the water column to have an integrated sample. Three hauls were taken per site and were combined to make a composite sample. Preserving the samples Samples were preserved in a sugar-formalin mixture. The sugar was to stop the ballooning of cladocerans for easy identification. Identification of zooplankton taxa In the laboratory, samples were washed using a sieve of 53 µm to remove the fixatives. Organisms were identified to the smallest taxonomic level possible using taxonomic keys (Sars, 1895, Pennak, 1953, Brooks, 1957, Rutner-Kolisko, 1974, Koste, 1978, Boxshall and Braide, 1991, Korinek, 1999). Density of organisms were calculated from the counts data, with reference to the sample net mouth diameter and water column depth at each sampling site.
引用文獻
- Boxshall, G. A. & Braide, E. I. 1991. The freshwater cyclopoid copepods of Nigeria, with an illustrated key to all species. Bull. Br. Mus. Nat. Hist. (zool), 57, 185-212.
- Brooks, J. L. 1957. The systematics of North American Daphnia. Memoirs of the connecticut academy of Arts and Sciences, 13, 1-18.
- Fernando, C. H. 2002. A Guide to Tropical Freshwater Zooplankton. Identification, Ecology and Impact on Fisheries, Leiden, The Netherlands, Backhuys Publishers.
- Korinek, V. 1999. A guide to limnetic species of Cladocera of African inland waters (Crustacea, Branchiopoda). The International Association of Theoretical and Applied Limnology. SIL.
- Koste, W. 1978. Rotatoria. Die Radertiere Mitteleuropas. Ein Bestimmungwerk, begrundet vo Max Voig. Uberrordnung Monogononta. Gebruder Borntraeger, Berlin, Stuttgart.
- Pennak, R. W. 1953. Fresh-water invertebrates of the United States, New York, John Wiley & Sons.
- Rutner-Kolisko, A. 1974. Planktonic rotifers: Biology and taxonomy, Biological Station Lunz of the Austrian Academy of Science. E. Schweizerbart’sche Verlagsbuchhandlung.
- Sars, G. O. 1895. An account of the Crustacea of Norway, Christiania and Copenhagen Alb. Cammermeyer Forlag