Counts of wader species 1975-1978

Rui Rufino

doi:10.15468/e7xhvy

Counts of wader species 1975-1978

Citation

Rufino R, Tomás D (2022). Counts of wader species 1975-1978. ICNF - Instituto da Conservação da Natureza e das Florestas. Sampling event dataset https://doi.org/10.15468/e7xhvy accessed via GBIF.org on 2024-12-14.

Description

This dataset describes the wader counts between 1975 and 1978 in Portuguese main wetlands. The report analyses the average population of each specie in each area and their fluctuation through the referred years, aiming to identify areas with major importance for these species.

Sampling Description

Study Extent

This report contains annual wader counts, put together between 1975 and 1978, in of seven Portuguese wetlands: Estuário do Arade (Portimão), Estuario do Mondego (Figuera da Foz), Estuário do Sado, Estuário do Tejo, Ria de Aveiro, Ria Formosa ou Ria de Faro and Sapais de Castro Marim.

Sampling

The wader counts were collected from counts reports made between 1975 and 1978. In the follow up some calculations were performed: four-year average population per area for each specie, the annual fluctuations in relation to the average, and the percentage of individuals of each species over the country total.

Quality Control

All initial data was inserted in a specific relational database built specifically for the project, which implemented several quality control methods. In the preparation of the dataset for GBIF publication, data consistency was verified using cluster algorithms using OpenRefine.

Method steps

Extraction of points coordinates and addiction to VerbatimdecimalLatitude e VerbatimdecimalLongitude Convert to WGS84 Calculation of coordinates precision Cross-checking with WGS84 Portuguese CAOP2020 shape to obtain location information Export to csv. with reinterpretation of attributes matching to DwC standard terms.

Taxonomic Coverages

The dataset describe 339 occurrences of 22 bird species of the Charadriiformes order, 4 families and 11 genus.

Animalia
rank: kingdom
Chordata
rank: phylum
Aves
rank: class
Charadriiformes
rank: order
Charadriidae
rank: family
Scolopacidae
rank: family
Haematopodidae
rank: family
Recurvirostridae
rank: family
Arenaria
rank: genus
Calidris
rank: genus
Charadrius
rank: genus
Haematopus
rank: genus
Himantopus
rank: genus
Limosa
rank: genus
Numenius
rank: genus
Philomachus
rank: genus
Pluvialis
rank: genus
Recurvirostra
rank: genus
Tringa
rank: genus
Arenaria interpres
rank: species
Calidris alba
rank: species
Calidris alpina
rank: species
Calidris canutus
rank: species
Calidris ferruginea
rank: species
Calidris minuta
rank: species
Charadrius alexandrinus
rank: species
Charadrius hiaticula
rank: species
Haematopus ostralegus
rank: species
Himantopus himantopus
rank: species
Limosa laponica
rank: species
Limosa limosa
rank: species
Numenius arquata
rank: species
Numenius phaeopus
rank: species
Philomachus pugnax
rank: species
Pluvialis squatarola
rank: species
Recurvirostra avosetta
rank: species
Tringa erythropus
rank: species
Tringa nebularia
rank: species
Tringa ochropus
rank: species
Tringa totanus
rank: species

Geographic Coverages

Wader counts in the main portuguese wetlands: Estuário do Arade (Portimão), Estuario do Mondego (Figuera da Foz), Estuário do Sado, Estuário do Tejo, Ria de Aveiro, Ria Formosa ou Ria de Faro and Sapais de Castro Marim.

Bibliographic Citations

Contacts

Rui Rufino
originator
CEMPA

Diana Tomás
metadata author
email: dianarstomas@gmail.com

Vitor Encarnação
administrative point of contact