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EDP Baixo Sabor: Construction and Reservoir Filling Phases – Otter [2010-2014]

Latest version published by EDP - Energias de Portugal on Apr 3, 2020 EDP - Energias de Portugal

The dataset contains records of the Otter (Lutra lutra) collected in the lower valley of River Sabor (NE Portugal), in the scope of the long-term Ecological Monitoring Program (PME) of the Baixo Sabor Hydroelectric Dams (AHBS), promoted by EDP – Energias de Portugal, S.A. This dataset includes results of surveys made in and around the area affected by the dam, from November 2010 to December 2014. Sampling was performed in transects distributed along the lower Sabor river valley (and some tributaries), and along the rivers Maçãs and Angueira, up to 42 km upstream. The presence and identity of the target species were assessed through the presence of faeces (spraints) and/or footprints of the target species.

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 605 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.

  • Event (core)
    605
  • Occurrence 
    605

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.

Downloads

Download the latest version of this resource data as a Darwin Core Archive (DwC-A) or the resource metadata as EML or RTF:

Data as a DwC-A file download 605 records in English (44 KB) - Update frequency: unknown
Metadata as an EML file download in English (14 KB)
Metadata as an RTF file download in English (12 KB)

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:

Mota P, Vingada J V, Ferreira J, Neto H M, Morgado R G, Silva J, Múrias, T (2020): EDP Baixo Sabor: Construction and Reservoir Filling Phases – Otter [2010-2014]. v1. EDP - Energias de Portugal. Dataset/Samplingevent. http://ipt.gbif.pt/ipt/resource?r=edp_sabor_otter_tr&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: 48466ce1-9bb4-4b8c-bb9b-b5bae1a3a010.  EDP - Energias de Portugal publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF Portugal.

Keywords

Otter; Lutra lutra; transects; diurnal; scats

Contacts

Who created the resource:

Paulo Mota
General Coordinator
BIOLINK - Consultoria Ambiental, Unipessoal, Lda Praceta Caminho da Cruz, 9 4405-625 VN Gaia Vila Nova de Gaia PT
José Vítor Vingada
Scientific & Fieldwork Coordinator
BIOLINK - Consultoria Ambiental, Unipessoal, Lda Praceta Caminho da Cruz, 9 4405-625 VN Gaia Vila Nova de Gaia PT
Joana Ferreira
Technician
BIOLINK - Consultoria Ambiental, Unipessoal, Lda PT
Hugo Manuel Neto
Technician
BIOLINK - Consultoria Ambiental, Unipessoal, Lda PT
Rui Guilherme Morgado
Technician
BIOLINK - Consultoria Ambiental, Unipessoal, Lda PT
Joana Silva
Technician
BIOLINK - Consultoria Ambiental, Unipessoal, Lda PT

Who can answer questions about the resource:

João Madeira
Manager
EDP - Energias de Portugal Av. 24 de Julho, 12, Torre Nascente, Piso 4 1249-300 Lisboa Lisbon PT

Who filled in the metadata:

Tiago Múrias
Researcher
CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto Campus Agrário de Vairão 4485-661 Vairão Vairão PT

Geographic Coverage

Data were collected along the lower Sabor river valley and its tributaries, in 49 5x5 km squares, from the river mouth up to 42 km upstream, in the municipalities of Torre de Moncorvo, Alfândega da Fé, Mogadouro and Macedo de Cavaleiros.

Bounding Coordinates South West [41.127, -7.182], North East [41.636, -6.548]

Taxonomic Coverage

The taxonomic coverage of this dataset spans 1 class, 1 order, 1 familiy, 1 genus and 1 species.

Phylum  Chordata
Class  Mammalia
Order  Carnivora
Family  Mustelidae

Temporal Coverage

Start Date / End Date 2011-11-25 / 2014-12-23

Project Data

The dataset contains records of the Otter (Lutra lutra) (Mammalia) collected in the lower valley of River Sabor (NE Portugal), and in rivers Maçãs and Angueira, in the scope of the long-term Ecological Monitoring Program (PME) of the Baixo Sabor Hydroelectric Dams (AHBS), promoted by EDP – Energias de Portugal, S.A. This dataset includes results of surveys made between November 2010 and December 2014. Sampling was performed every spring/summer and autumn, in a total of 41 sampling transects along the river Sabor and some tributaries, and along the rivers Maçãs and Angueira. The occurrence of the target species was documented by looking for signs (spraints, footprints) attributable to the species, and also by the occasional observation of individuals. A total of 6199 scats, along with a number of other signs of presence of the species (prey remains, lairs/shelters and footprints/trails) were recorded.

Title EDP Baixo Sabor: Construction and Reservoir Filling Phases – Otter [2010-2014]
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 Sabor affected by the Baixo Sabor Hydroelectric Dam. The sampling was carried out in suitable habitats for the otter, in 5x5 km squares centered in the lower Sabor river valley and some tributaries, ands along the rivers Maçãs and Angueira, from the river mouth up to 42 km upstream.
Design Description The objective of the study was to detect the presence of the target species and to monitor changes in its distribution patterns in the area of the Baixo Sabor Hydroelectric Dams during the initial phase of construction and the reservoir filling periods (2010-2014).

The personnel involved in the project:

Author
Paulo Mota
Author
José Vítor Vingada
Author
Joana Ferreira
Author
Hugo Manuel Diogo
Author
Rui Guilherme Morgado
Author
Joana Silva
Author
Tiago Múrias

Sampling Methods

Sampling was designed to cover the whole valley of the lower Sabor river, its tributaries, and the rivers Maçãs and Angueira. A total of 41 transects was established in the study area (1-3 per 5x5 km square). The transects had a minimum lenght of 200 m and, within this distance, the survey was stopped after the detection of the first confirmed sign of presence of the species (e.g., spraints, footprints). If there were no evidences of presence in the first 200 m, the transect was extended to a maximum of 600 m, after which, if the absence of signs persisted, the species was considered absent in the transect. Each transect was performed on foot, at dawn or sunset, by one or two observers, and the riverbed and its margins were carefully searched for signs of otter's presence (scats, footprints). All scats found were identified in the field and then taken to the laboratory for dietary analysis. The survey was based on indirect signs of otter presence, because individuals of the species are difficult to observe directly, and because the presence signs (spraints and footprints) can be unequivocally identified by experienced technicians.

Study Extent The data were collected in 49 5x5 km squares in the lower Sabor river valley, its tributaries and the rivers Maçãs and Angueira, from the river mouth up to 42 km upstream, in the municipalities of Torre de Moncorvo, Alfândega da Fé, Mogadouro and Macedo de Cavaleiros.
Quality Control All identifications were performed by qualified technicians

Method step description:

  1. 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.
Maintenance Description This resource will be regularly checked for accuracy.
Alternative Identifiers http://ipt.gbif.pt/ipt/resource?r=edp_sabor_otter_tr