Description
Qigu District, located on the southwest coast of Taiwan, is full of natural and artificial wetlands and therefore one of the important bird habitats along the East Asian–Australasian Flyway (EAAF). For conservation and academic purposes, Taiwan Endemic Species Research Institute (TESRI) (currently known as Taiwan Biodiversity Research Institute, TBRI) initiated a long-term bird monitoring project in wetlands of southwestern Qigu in 2015. In the period of April 2015 to March 2021, bird censuses were conducted once a month at 6 sampling sites, resulting in 432 sampling events and 11,533 occurrence records. A total of 100,601 individual counts, grouped into 120 species and 36 families, were recorded. The most dominant family is Ardeidae, followed by Scolopacidae, Anatidae, Recurvirostridae and Charadriidae. This project is still in progress and the dataset may be updated irregularly in the future.
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 432 enregistrements.
2 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
Le tableau ci-dessous n'affiche que les versions publiées de la ressource accessibles publiquement.
Droits
Les chercheurs doivent respecter la déclaration de droits suivante:
L’éditeur et détenteur des droits de cette ressource est Taiwan Biodiversity Research Institute. 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 : 346c95be-c7b3-41dc-99c9-e88a18d8884a. Taiwan Biodiversity Research Institute publie cette ressource, et est enregistré dans le GBIF comme éditeur de données avec l'approbation du Taiwan Biodiversity Information Facility.
Mots-clé
samplingEvent; bird census; southwest coast of Taiwan; Important Bird Area; fish farms
Contacts
- Créateur ●
- Utilisateur ●
- Personne De Contact
- Créateur
- Fournisseur Des Métadonnées ●
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Couverture géographique
The dataset includes sampling events in the southwestern part of Qigu District (in Tainan City), which is located on the southwest coast of Taiwan main island.
| Enveloppe géographique | Sud Ouest [23,072, 120,036], Nord Est [23,101, 120,088] |
|---|
Couverture taxonomique
A total of 120 bird species, spanning 36 families and 16 orders, are included in this dataset. The most dominant family (the family with the most individuals recorded) is Ardeidae (27,654), followed by Scolopacidae (15,777), Anatidae (12,074), Recurvirostridae (9,617) and Charadriidae (8,326). The Family with the most species recorded is Scolopacidae (25 species), followed by Ardeidae (11 species), Charadriidae (8 species), Anatidae (7 species) and Laridae (7 species). The most dominant species is little egret (Egretta garzetta), followed by great egret (Ardea alba), black-winged stilt (Himantopus himantopus), Kentish plover (Charadrius alexandrinus) and Eurasian tree sparrow (Passer montanus).
| Class | Aves (Bird) |
|---|---|
| Order | Charadriiformes, Pelecaniformes, Passeriformes, Anseriformes, Columbiformes, Podicipediformes, Gruiformes, Accipitriformes, Galliformes, Coraciiformes, Falconiformes, Cuculiformes, Piciformes, Suliformes, Bucerotiformes, Psittaciformes |
Couverture temporelle
| Date de début / Date de fin | 2015-04-29 / 2021-03-08 |
|---|
Données sur le projet
For conservation and academic purposes, Taiwan Endemic Species Research Institute (TESRI) (currently known as Taiwan Biodiversity Research Institute, TBRI) initiated a long-term bird monitoring project in wetlands of southwestern Qigu in 2015. Since then, bird censuses have been conducted once a month at 6 sampling sites in this region. This project is still in progress.
| Titre | Long-term bird monitoring project in Qigu wetlands |
|---|---|
| Identifiant | LTBMQG |
| Financement | Funding from the Endemic Species Research Institute, Council of Agriculture, Executive Yuan, R.O.C. (Taiwan). |
| Description du domaine d'étude / de recherche | The study area of this project is the southwestern part of Qigu District (in Tainan City), which is located on the southwest coast of Taiwan (23.07206°N to 23.10149°N, 120.03645°E to 120.08831°E). The landscape of this region is composed of various natural and artificial wetlands (e.g. fish farms), and therefore provides suitable habitats for waterbirds, especially those migrating along the East Asian–Australasian Flyway (EAAF). Based on the weather data of the past 10 years (2013-2022) from the Qigu weather station (23.14719°N, 120.08619°E), the average temperature here is 24.1°C. The month with lowest temperature is January (17.3°C), while the month with highest temperature is July (29.2°C). The average annual precipitation is 1510.2 mm, and the seasonality of precipitation is typically obvious. From May to September, the monthly precipitation is above 160 mm, but it declines to less than 80 mm from October to April. |
| Description du design | This project is meant to establish baseline data of the avian community in Qigu wetlands by means of long-term periodic bird censuses at selected sampling sites. |
Les personnes impliquées dans le projet:
- Chercheur Principal
Méthodes d'échantillonnage
The monthly bird censuses at LHF, NFF, EFF and QGL were conducted using transect method (as shown in column “samplingProtocol” of the DwC Event Core). These transects are usually trails beside fish farms (at LHF, NFF, EFF) or along the levee (at QGL), with the length ranging from 0.826 km to 3.129 km. In contrast, monthly censuses at AFR and AFF were conducted using counting flocks method, which means counting flocks of birds within a predefined area. The sampling areas of AFR and AFF are 9.8 ha and 22.4 ha, respectively. Bird censuses were all conducted during daytime (mostly between 9 a.m. and 5 p.m.), with no strict limitation on the starting time and duration of each census.
| Etendue de l'étude | Six representative sites within southwestern Qigu District were selected as the sampling sites of this monitoring project (as shown in column “locality” of the DwC Occurrence Extension), including Lighthouse Fish Farms (LHF), North Fish Farms (NFF), East Fish Farms (EFF), Qigu Levee (QGL), American Fish Farm Ruins (AFR) and American Fish Farms (AFF). Bird censuses were conducted once a month at these six sampling sites from April 2015 to March 2021. The main habitat type within these sampling sites are fish farms for clams (Meretrix lusoria) or milkfish (Chanos chanos), while the habitat environment still slightly differs between sites. The centroid coordinates (WGS84) of 6 sampling sites: LHF: 23.09003°N, 120.04050°E; NFF: 23.08897°N, 120.05879°E; EFF: 23.08006°N, 120.06647°E; QGL: 23.07881°N, 120.08044°E; AFR: 23.09383°N, 120.08439°E; AFF: 23.09788°N, 120.08256°E |
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| Contrôle qualité | All of the monthly bird censuses were carried out by 1-3 experienced and well-trained bird observers. To keep the quality steady, only 5 observers (including 2 main observers and 3 occasionally assistant observers) have been involved during the time coverage of this dataset (April 2015 to March 2021). All of the occurrence records were integrated and examined after each census. Any uncommon or abnormal records will be confirmed, and modifications will be made if necessary. The taxonomy information in this dataset is organized based on the eBird Taxonomy v2022 (Clements et al. 2022) and the 2023 TWBF Checklist of the Birds of Taiwan (Ding et al. 2023). |
Description des étapes de la méthode:
- All of the six sampling sites and the corresponding census methods were determined at the beginning of this project. For the transect censuses (at LHF, NFF, EFF and QGL), a team of observers walked along a predefined transect and recorded the birds nearby. For the counting flocks censuses (at AFR and AFF), observers counted and recorded the birds within a predefined area, which is typically composed of several fish farms. Observers used binoculars (typically 10x42) and/or monoculars (20-60x) to detect and observe birds in all censuses, and recorded bird species as well as the number of individuals. Birds seen or heard by the observers were all recorded, except for those birds only flying through sampling area without perching or foraging behaviors. The weather condition determined by visual observation was also recorded for each census (presented as a categorical variable in the DwC Measurement or Facts Extension). Each monthly census at each of the six sampling sites is regarded as a sampling event (as shown in column “eventID” of the DwC Event Core). It should be noted that from April 2015 to around June 2018, all of the bird occurrences within a single sampling event were recorded at the same coordinate, which is the centroid coordinate of the sampling site. However, the bird occurrences were recorded at the coordinate of several distinct locations, which correspond to different sections along the transect or different districts within the site, since around June 2018 (the time points slightly differ between sampling sites). The change of recording protocol can be observed through columns “locationID”, “decimalLatitude” and “decimalLongitude” of the DwC Occurrence Extension.
Citations bibliographiques
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2022. The eBird/Clements Checklist of Birds of the World: v2022.
- Ding, T.-S., C.-S. Juan, R.-S. Lin, Y.-J. Tsai, J.-L. Wu, J. Wu and Y.-H. Yang. 2023. The 2023 TWBF Checklist of the Birds of Taiwan. Taiwan Wild Bird Federation. Taipei, Taiwan.
Métadonnées additionnelles
| Identifiants alternatifs | 346c95be-c7b3-41dc-99c9-e88a18d8884a |
|---|---|
| https://ipt.taibif.tw/resource?r=cgbs_tesri_2021 |