EDP Foz Tua: Bat Roosts - Ecological & Compensatory Measures Monitoring Programs [2011-2017]

Description

Enregistrements de données

Les données de cette ressource données d'échantillonnage ont été publiées sous forme d'une Archive Darwin Core (Darwin Core Archive ou DwC-A), le format standard pour partager des données de biodiversité en tant qu'ensemble d'un ou plusieurs tableurs de données. Le tableur de données du cœur de standard (core) contient 907 enregistrements.

1 tableurs de données d'extension existent également. Un enregistrement d'extension fournit des informations supplémentaires sur un enregistrement du cœur de standard (core). Le nombre d'enregistrements dans chaque tableur de données d'extension est illustré ci-dessous.

Cet IPT archive les données et sert donc de dépôt de données. Les données et métadonnées de la ressource sont disponibles pour téléchargement dans la section téléchargements. Le tableau des versions liste les autres versions de chaque ressource rendues disponibles de façon publique et permet de tracer les modifications apportées à la ressource au fil du temps.

Versions

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Comment citer

Les chercheurs doivent citer cette ressource comme suit:

Costa H, Salgueiro N, Mesquita S, Mascarenhas M, Marques A T, Coelho H, Braz L, Gonçalves R, Ferraz C, Batista S, Ribeiro S B, Lemos J, Santos P, Sousa D, Paula J, Oliveira J, Caetano M, Silva R, Monteiro B, Pereira P, Silva M, Ferreira C, Pereira F, Neves T, Magalhães J, Romão F, Augusto M, Carmo M, Santos J, Quirós L, Moreira M, Santos J, Múrias T. (2018): EDP Foz Tua: Bat Habitats - Ecologial & Compensatory Measures Monitoring Programs [2011-2017]. v1. EDP - Energias de Portugal. Dataset/Samplingevent. http://ipt.gbif.pt/ipt/resource?r=edp_tua_bat_roosts_pme_2011&v=1.0

Droits

Les chercheurs doivent respecter la déclaration de droits suivante:

L’éditeur et détenteur des droits de cette ressource est EDP - Energias de Portugal. Ce travail est sous licence Creative Commons Attribution (CC-BY) 4.0.

Enregistrement GBIF

Cette ressource a été enregistrée sur le portail GBIF, et possède l'UUID GBIF suivante : fa9cdd61-de9d-4524-b824-7414e266e1df.  EDP - Energias de Portugal publie cette ressource, et est enregistré dans le GBIF comme éditeur de données avec l'approbation du GBIF Portugal.

Mots-clé

occurrence; Bats; observation; hibernation; reproduction; refuges; roosts; Samplingevent

Contacts

Couverture géographique

Most data were collected within a 5-km radius buffer around the river Tua valley (Northeast Portugal), up to 36 km from the mouth. There were also two additional sites surveyed at >20 km from the river. The sites were located in the municipalities of Alijó, Carrazeda de Ansiães, Vila Flor, Mirandela, Sabrosa and Bragança.

Couverture taxonomique

The taxonomic coverage of this dataset spans 1 phylum, 1 class, 1 order, 4 families, 8 genus and 13 species positively identified.

Couverture temporelle

Données sur le projet

The dataset contains records of bats (Chiroptera) collected in roosts along the lower valley of River Tua. Data was collected in the scope of the Ecological Monitoring Program (PME) and Program of Mitigation/Compensation Measures (PMC) of the Foz Tua Hydroelectric Dam, promoted by EDP – Energias de Portugal, S.A. Data were collected between July 2011 and September 2017, during field visits to 91 known or presumed bat roosts (caves, mines, tunnels, bridges, bulidings, etc.) for hibernation, reproduction and pre-dispersion, within a 5-km radius around the lower valley of River Tua. The occurrence of the target taxa was documented through 5065 observation events. In total, 15 taxa were identified, 13 to the species rank and 2 to the genus rank. The “species complexes” could potentially add 4 more species to the list. The most common individual species (>100 records) were Miniopterus schreibersii (1662 records), Rhinolophus ferrumequinum (892), R. hipposideros (494), Myotis myotis (456) and M. daubentonii (195). The “species complexes” of the “small” Myotis (M. mistacinus, M. emarginatus, M. escalerai, M. beschteinii and M. daubentonii), with 491 records, and of the “large” Myotis (M. myotis and M. blythii), with 216 records, were also important. Due to the vulnerability of the roost locations, the precision of the geographic coordinates was degraded to 0.01.

Les personnes impliquées dans le projet:

Méthodes d'échantillonnage

Sampling was designed to cover all known and potential bat roosts in the study area, including railroad tunnels, caves, mines, wells, bridges and all sorts of buildings. A place was considered to be a roost when the presence of bats was confirmed, either by direct observations or by indirect evidences (e.g., faeces, urine stains, etc.). Each roost was visited once or twice per season, in the hibernation (January-February), reproduction (April-August) and pre-dispersion (September-October) periods, depending on the year. All roosts were searched for the presence of bats by two observers, which recorded all individuals seen. The time spent in each roost varied with the number of bats present and the accessibility conditions. Species identification were usually made “in loco”, with the aid of head-torches, binoculars and field guides. All bats were photographed whenever possible, not only to build a photographic database, but also to allow a “a posteriori” identification of individuals that raised doubts, or to count large groups that could not be accurately counted in a suitable time in the field.

Description des étapes de la méthode:

1. To be completed

Citations bibliographiques

1. Chapman AD & Grafton O (2008) Guide to Best Practices for Generalising Sensitive Species-Occurrence Data. Copenhagen: GBIF Secretariat. https://doi.org/10.15468/doc-b02j-gt10

Métadonnées additionnelles