EDP Foz Tua Reptiles - Ecological Monitoring Program [2011-2017]

Description

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 348 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, Marques A T, Coelho H, Ferreira C, Oliveira J, Ferreira M, Pereira P, Silva R, Sousa D, Caetano M, Pereira F, Veríssimo J, Brás L, Magalhães J, Carmo M, Neves T, Rosa L, Santos J, Queirós L, Moreira M, Pinto N, Múrias T (2020): EDP Foz Tua Reptiles - Ecological Monitoring Program [2011-2017]. v1. EDP - Energias de Portugal. Dataset/Samplingevent. http://ipt.gbif.pt/ipt/resource?r=edp_tua_reptiles_tr_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: 61e5f775-f706-435a-8026-225bdb2d6392.  EDP - Energias de Portugal publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF Portugal.

Keywords

Reptiles; occurrence; observations; transects.

Contacts

Geographic Coverage

The data were collected within a 5-km buffer around the valley of the River Tua (Northeast Portugal), up to 50 km from the mouth, in the municipalities of Carrazeda de Ansiães, Vila Flor, Alijó, Murça and Mirandela.

Taxonomic Coverage

The taxonomic coverage of this dataset spans 1 phylum, 1 class, 2 orders, 7 families, 13 genera and 13 species.

Temporal Coverage

Project Data

The dataset contains records of reptiles (Reptilia) collected in transects along the lower Tua River valley, and included in the Ecological monitoring Program (2011-2017) of the Foz Tua Hydroelectric Dam, promoted by EDP – Energias de Portugal, S.A. Data were collected between July 2011 and August 2017, during field visits carried out in 28 sampling transects with favorable habitats for reptiles, within a 5-km buffer around the River Tua lower valley. The occurrence of the target taxa was documented through 405 observation events in 79 sampling points. In total, five taxa were identified to the species level. The most abundant species (>15 individuals) were Podarcis hispanicus (52 individuals observed), Tarentola mauritanica (20) and Psammodromus algirus (17)

The personnel involved in the project:

Sampling Methods

Sampling was designed to cover potential areas of nocturnal occurrence of amphibians (roads, tracks) in a grid of 2x2 km squares in, and around, the lower Tua valley affected by the Foz-Tua dam, including the reservoir area. A representative sample of transects of variable length was set up (one transect per square), covering the area affected by the dam and a control area upstream. Each transect was visited once in spring (April-Jun) and in summer (July-August), of 2012 to 2016. The transects were performed by two observers simultaneously (one on each side of the transect), during which all evidence (e.g., skin shedding) and individuals observed in displacement or located in potential refuge sites (e.g., stones or logs) along the transect, were identified and recorded. Species identifications were made with appropriate field guides. Sampling was carried out on days with favorable weather conditions to reptilian activity, especially on sunny or cloudy days. On days with very high temperatures (above 30 ° C) monitoring was preferably conducted at warmer times of day, particularly during the first four hours after dawn and the last three hours before dusk.

Method step description:

1. To be completed

Additional Metadata