Benthic macroinvertebrate taxa occurrences and composition associated with a cage aquaculture farm on Lake Victoria, Uganda

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最新バージョン National Fisheries Resources Research Institute により出版 4月 17, 2019 National Fisheries Resources Research Institute

DwC-A形式のリソース データまたは EML / RTF 形式のリソース メタデータの最新バージョンをダウンロード:

DwC ファイルとしてのデータ ダウンロード 1,462 レコード English で (90 KB) - 更新頻度: as needed
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説明

This dataset presents occurences and abundance of macroinvertebrate taxa recorded in sites in relation to a cage fish farm in Lake Victoria, Uganda

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、1,462 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。

Event (コア)
1462
Occurrence 
1462

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。:

Pabire W G, Egessa R, Mwebaza-Ndawula L, Musinguzi L, Natugonza V (2019): Benthic macroinvertebrate taxa occurrences and composition associated with a cage aquaculture farm on Lake Victoria, Uganda. v1.1. National Fisheries Resources Research Institute. Dataset/Samplingevent. http://ipt-uganda.gbif.fr/resource?r=macroinvertebratesforson&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 National Fisheries Resources Research Institute。 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: 6cef8c28-b4dd-4082-af20-57cdc660a5bdが割り当てられています。   GBIF Uganda 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National Fisheries Resources Research Institute が、このリソースをパブリッシュしました。

キーワード

Sampling event; macro-invertebrates; Uganda; Lake Victoria; Cage aquaculture

連絡先

Willy Gandhi Pabire
  • メタデータ提供者
  • 最初のデータ採集者
  • 連絡先
Research technician
National Fisheries Resources Research Institute
Nile Crescent, Plot 39/45, Jinja Opposite the wagon ferry terminal
343 Jinja
UG
+256776959037
Robert Egessa
  • 最初のデータ採集者
Research officer
National Fisheries Resources Resources Research Institute
Nile Crescent, Plot 39/45, Jinja opposite the Wagon ferry terminal
343 Jinja
UG
Lucas Mwebaza-Ndawula
  • 最初のデータ採集者
Senior research officer
National Fisheries Resources Resources Research Institute
Nile Crescent, Plot 39/45, Jinja opposite the Wagon ferry terminal
343 Jinja
UG
Laban Musinguzi
  • 最初のデータ採集者
  • 連絡先
Research officer
National Fisheries Resources Research Institute
Nile Crescent, Plot 39/45, Jinja Opposite the wagon ferry terminal
343 Jinja
UG
+256775701126
Vianny Natugonza
  • 最初のデータ採集者
Research officer
National Fisheries Resources Resources Research Institute
Nile Crescent, Plot 39/45, Jinja opposite the Wagon ferry terminal
343 Jinja

地理的範囲

The geographical area covers the location of the cage fish farm where data was collected.

座標(緯度経度) 南 西 [0.403, 33.191], 北 東 [0.411, 33.208]

生物分類学的範囲

This information is about the benthic macro-invertebrates (ie; invertebrates which live on or in the sediment at the bottom of the water bodies and are big enough to be seen with naked eyes).

Class Hirudinea, Oligochaeta
Family Baetidae, Ceratopogonidea, Chironomidae, Heptageniidae, Leptoceridae, Libellulidae, Perlidae
Subfamily Chironominea
Genus Ablabesmyia, Aspatheria, Biomphalaria, Bulinus, Caenis, Chaoborus, Chironomus, Clinotanypus, Cryptochironomus, Dipsuedopsis, Economus, Ephemerella, Euthraulus, Ictinogomphus, Phyllomacomia, Procladius, Pseudoneureclipsis, Sphaerium, Tanypus, Tanytarsus, Terithemis, Tricorythus
Species Anisus natalensis, Bellamya unicolor, Byssanodonta parasitica, Caelatura alluaudi, Caelatura hauttecoeuri, Caelatura monceti, Caridina nilotica, Cleopatra pirothi, Corbicula africana, Etheria eliptica, Gabbia humerosa, Lentorbis junodi, Melanoides tuberculata, Mutela bourguignati, Pila ovata, Pisidium victoriae, Povilla adusta

時間的範囲

生成(収集)期間 2011-current

プロジェクトデータ

The project is part of a monitoring intervention that was established to monitor the impacts of cage aquaculture on water environment. This followed the introduction of a cage aquaculture in northern Lake Victoria in 2010. The environment monitoring is undertaken at Source of the Nile, a private cage fish farm, in Napoleon gulf, northern Lake Victoria. The monitoring is justified by the fact that cage aquaculture negatively impacts environmental conditions due to release of nutrients into the water, leading to undesirable impacts such as eutrophication, spread of diseases, genetic dilution for native species, and conflicts with other uses. Eutrophication can create anoxic conditions in sediments thus changing the abundance and composition of the resident organisms especially macroinvertebrates.

タイトル Environmental monitoring of Source of the Nile (SON) cage fish farm in Napoleon Gulf, northern Lake Victoria
ファンデイング Funding is provided by Source of the Nile Fish Farm Limited
Study Area Description The study was undertaken at location of a fish farm. The farm is located near the headwaters of the River Nile, Napoleon gulf, Lake Vitoria, Uganda (Mwebaza-Ndawula et al. 2013).
研究の意図、目的、背景など(デザイン) Three study transects were originally set up for the study. Transect 1 was approximately 1 km upstream of the area with fish cages (USC. Tansect 2 was located within the fish cage rows (WC) and transect 3 was approximately 1 km downstream of the fish cages (DSC). Each transect contained three sampling points, at intervals of 50 meters apart. These are named sequentially as site one, site two and site three under each transect category. However, as the fish farm expanded, some areas previously under some of the transects started being included under cages. As a result, a change in design was implemented since 2017 to include other sites namely between cages, reference point, upstream point and and within cages site 4.

プロジェクトに携わる要員:

Willy Ghandi Pabire
  • キュレーター
Robert Egessa
  • 研究代表者
Lucas Mwebaza-Ndawula
  • 研究代表者

収集方法

A Ponar grab (with open jaw area, 238cm2) was used to take sediment samples for analysis of benthic macroinvertebrates. Three spread hauls were taken from each of the selected areas (see design above). The bottom type at each point was described from the grabbed contents. Each of the three samples (hauls) from each area was then concentrated placed in labeled sample bottles, and preserved with 5% formalin solution and taken for laboratory analysis. In the laboratory, each sample was rinsed with water to remove the formalin and then placed on a white flat-bottomed tray. Using pair of forceps all macro-invertebrates were sorted from the sediment and the individual taxa identified to the lowest possible taxonomic level using identification manuals and a dissecting binocular microscope at x 25 magnification. All taxa from the different hauls were recorded and individuals of each taxon enumerated to estimate their densities from which the following results were generated. The taxa were identified using taxonomic keys by Mandahl-Barth (1954), Pennak (1953), and Merritt and Cummins (1997).

Study Extent The monitoring project commenced in 2011. In that year, sampling was conducted once in February, May, September and November at each of the selected sampling points in each transect.
Quality Control The samples were immediately processed in the field and treated with formalin to keep the organisms of interest intact and prevent them from rotting. To avoid loss of organisms during sample processing, appropriate mesh sizes were used.

Method step description:

  1. Collection of the macroinvertebrates In the field, sediment samples were collected using a ponar grab with an open jaw surface area of 238 cm2. At each site, three sediment samples were obtained. The three samples were mixed and concentrated to form one composite sample for each site.
  2. Preserving the samples The composite sample for each site was separately preserved in 5% formalin to maintain the organisms in good condition prior to analysis in the laboratory.
  3. Identification of macroinvertebrates In the laboratory, formalin was rinsed off from each sample and placed in white flat-bottomed trays. Using pairs of forceps, all benthic macro invertebrates were sorted from the sediment and the individual taxa identified to the lowest possible taxonomic level using appropriate identification keys and a dissecting binocular microscope at x 25 magnification.

書誌情報の引用

  1. Mwebaza-Ndawula, L. et al. 2013. Effects of cage fish culture on water quality and selected biological communities in northern Lake Victoria, Uganda. Uganda Journal of Agricultural Sciences, 14(2), 61 – 75.
  2. Mandahl-Barth, G. (1954). The freshwater mollusks of Uganda and adjacent territories. Sciences Zoologiques 32: 206 pp.
  3. Merritt, R. W., & Cummins, K. W. (1997). An introduction to the aquatic insects of North America (3rd ed.). Dubuque: Kendall/Hunt Publishing Co. 720 Pages. Pennak, R. W. (1953). Fresh-water invertebrates of the United States. New York: The Ronald Press Company.
  4. Pennak, R.W. 1953. Fresh-water invertebrates of the United States.

追加のメタデータ