Description
The dataset contains records of terrestrial birds (Aves) collected in the lower valley of the River Tua and included in the Ecological Monitoring Program (2011) of the Environmental Impact Assessment of the Foz Tua Hydroelectric Dam, promoted by EDP – Energias de Portugal, S.A. Data were collected in the spring of 2011-2017 during field visits to 27 (2011) or 60 (>2012) sampling points with favourable habitats in 26 2x2 km squares within a 5-km radius buffer around the Tua valley, directly or indirectly affected by the Foz-Tua dam. All observations were made with binoculars and/or telescopes.
Data Records
The data in this sampling event resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 752 records.
1 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.
This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.
Versions
The table below shows only published versions of the resource that are publicly accessible.
How to cite
Researchers should cite this work as follows:
Costa H, Salgueiro N, Santos J, Marques A T, Coelho H, Zina H, Ribeiro E, Pedroso R, Cardoso H, Queirós L, Paula J, Cabral J A, Travassos P, Santos R, Carvalho D, Gomes C, Múrias T (2019): EDP Foz Tua: Terrestrial Birds, Spring (point counts) - Ecological Monitoring Program [2011-2017]. v1. EDP - Energias de Portugal. Dataset/Samplingevent. http://ipt.gbif.pt/ipt/resource?r=edp_tua_birds_spr_points_pme&v=1.0
Rights
Researchers should respect the following rights statement:
The publisher and rights holder of this work is EDP - Energias de Portugal. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
This resource has been registered with GBIF, and assigned the following GBIF UUID: 748721ea-db63-4798-afce-e1de26144e3c. EDP - Energias de Portugal publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF Portugal.
Keywords
Birds; terrestrial; occurrence; spring; observations; point counts
Contacts
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Geographic Coverage
The data were collected within a 5-km buffer around the valley of the River Tua (Northeast Portugal), up to 45 km from the mouth, in the municipalities of Alijó, Carrazeda de Ansiães, Murça, Vila Flor and Mirandela.
Bounding Coordinates | South West [41.16, -7.55], North East [41.495, -7.162] |
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Taxonomic Coverage
The taxonomic coverage of this dataset spans 1 phylum, 1 class, 16 orders, 44 families, 78 genus and 102 species.
Order | Accipitriformes, Anseriformes, Apodiformes, Bucerotiformes, Charadriiformes, Chardriiformes, Columbiformes, Coraciiformes, Cuculiformes, Falconiformes, Galliformes, Passeriformes, Pelecaniformes, Piciformes, Strigiformes, Suliformes |
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Family | Accipitridae, Pandionidae, Anatidae, Apodidae, Upupidae, Scolopacidae, Chardriidae, Columbidae, Alcedinidae, Meropidae, Cuculidae, Falconidae, Phasianidae, Acrocephalidae, Aegithalidae, Alaudidae, Certhiidae, Cisticolidae, Corvidae, Estrildidae, Fringilidae, Fringillidae, Hirundinidae, Laniidae, Motacillidae, Muscicapidae, Oriolidae, Paridae, Passeridae, Phylloscopidae, Picidae, Prunellidae, Regulidae, Scotocercidae, Sittidae, Sturnidae, Sylviidae, Troglodytidae, Turdidae, Ardeidae, Picidae, Strigidae, Phalacrocoracidae |
Temporal Coverage
Start Date / End Date | 2011-05-29 / 2017-06-06 |
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Project Data
The dataset contains records of terrestrial birds (Aves) collected in plots along the lower Tua River valley and included in the Ecological Monitoring Program of the Foz Tua Hydroelectric Dam, promoted by EDP – Energias de Portugal, S.A. Data were collected between April and June 2011-2017, during field visits to 27 (2011) or 60 (>2012) sampling plots with favourable habitats for terrestrial birds in 26 2x2 km squares within a 5-km buffer around the lower Tua River valley. The occurrence of the target taxa was documented through 752 observation events. In total, 14269 observations were identified to the species rank. The most abundant species (> 500 individuals) were Fringilla coelebs (1528 individuals), Delichon urbicum (1367), Turdus merula (1070), Serinus serinus (876), Passer domesticus (815), Sylvia atricapilla (690), Sylvia melanocephala (632), Carduelis carduelis (539) and Parus major (514).
Title | EDP Foz Tua: Terrestrial Birds, Spring (point counts) - Ecological Monitoring Program [2011-2017] |
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Identifier | EDP Biodiversity Data |
Funding | The work was funded by EDP - Energias de Portugal, S.A. |
Study Area Description | The study was conducted in part of the sub-basin of river Tua affected by the Foz-Tua Hydroelectric Dam. The sampling was centered in suitable habitats for terrestrial birds in 26 2x2 km squares in a 5 km radius buffer around the future reservoir banks and up to 45 km from the Tua mouth. |
Design Description | The objective of the study was to monitor changes in the distribution patterns and abundances of species of birds in the area of the Foz Tua Hydroelectric Dam, prior to (2011) and during (2011-2016) the dam construction, and in the subsequent flooding of the river valley (2016-2017). |
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Sampling Methods
Sampling was designed to cover the main habitats for terrestrial birds along the lower Tua River valley affected by the Foz-Tua dam, including the future reservoir area. In the first year (2011), a total of 27 point counts distributed along the valley was used. From 2012 onwards, this number was increased to 60 points which were kept until the end of the monitoring period. In 2017, a partial renumeration took place, but the total number did not change. All plots were sampled once per spring and per year in the early morning or late afternoon. Each sampling event had 5 minutes of duration, in which all birds seen or heard in two bands of 50m around the point were recorded. Species identification and assessment of age and sex (when possible) were made “in loco”, with the help of appropriate field guides.
Study Extent | The data were collected within a 5-km buffer around the Tua lower valley (Northeast Portugal), up to 45 km from the mouth, in the municipalities of Alijó, Carrazeda de Ansiães, Murça, Mirandela and Vila Flor. |
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Quality Control | All identifications were performed by qualified technicians. |
Method step description:
- To be completed
Additional Metadata
Purpose | This dataset is part of a broader initiative whereby the company EDP - Energias de Portugal S.A. will made available biodiversity data collected during impact assessment and biological monitoring studies. |
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Maintenance Description | This resource will be regularly checked for accuracy. |
Alternative Identifiers | 748721ea-db63-4798-afce-e1de26144e3c |
http://ipt.gbif.pt/ipt/resource?r=edp_tua_birds_spr_points_pme |