Evento de muestreo

The removal of rodents from Yabu island allows survival of benefit species

Última versión Publicado por BirdLife International, Pacific Partnership Secretariat en 18 de noviembre de 2022 BirdLife International, Pacific Partnership Secretariat
Inicio:
Enlace
Fecha de publicación:
18 de noviembre de 2022
Licencia:
CC0 1.0

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Descripción

The feasibility assessment for Yabu island conducted in the year 2016 confirmed the presence of rodent species (Rattus exulans) which was the being eradicated in mid 2018. The published data informs the abscence of rodent species and presence of other benefit species which includes birds, few reptiles, arthropods and crustacean which concluded that Yabu island is an invasive free or rodent free island.

Registros

Los datos en este recurso de evento de muestreo han sido publicados como Archivo Darwin Core(DwC-A), el cual es un formato estándar para compartir datos de biodiversidad como un conjunto de una o más tablas de datos. La tabla de datos del core contiene 1 registros.

también existen 1 tablas de datos de extensiones. Un registro en una extensión provee información adicional sobre un registro en el core. El número de registros en cada tabla de datos de la extensión se ilustra a continuación.

Event (core)
1
Occurrence 
19

Este IPT archiva los datos y, por lo tanto, sirve como repositorio de datos. Los datos y los metadatos del recurso están disponibles para su descarga en la sección descargas. La tabla versiones enumera otras versiones del recurso que se han puesto a disposición del público y permite seguir los cambios realizados en el recurso a lo largo del tiempo.

Versiones

La siguiente tabla muestra sólo las versiones publicadas del recurso que son de acceso público.

¿Cómo referenciar?

Los usuarios deben citar este trabajo de la siguiente manera:

Bulimaitoga M (2022): The removal of rodents from Yabu island allows survival of benefit species. v1.3. Training Organization. Dataset/Samplingevent. https://training-ipt-c.gbif.org/resource?r=birdlife_yabuisland&v=1.3

Derechos

Los usuarios deben respetar los siguientes derechos de uso:

El publicador y propietario de los derechos de este trabajo es BirdLife International, Pacific Partnership Secretariat. En la medida de lo posible según la ley, el publicador ha renunciado a todos los derechos sobre estos datos y los ha dedicado al Dominio público (CC0 1.0). Los usuarios pueden copiar, modificar, distribuir y utilizar la obra, incluso con fines comerciales, sin restricciones.

Registro GBIF

Este recurso ha sido registrado en GBIF con el siguiente UUID: 2051e7db-8199-480a-b6f5-7f6b1fde4df4.  BirdLife International, Pacific Partnership Secretariat publica este recurso y está registrado en GBIF como un publicador de datos avalado por Secretariat of the Pacific Regional Environment Programme.

Palabras clave

Samplingevent

Contactos

Melania Bulimaitoga
  • Proveedor De Los Metadatos
  • Originador
Conservation Officer, Island Restoration Programme, PACIFIC
BirdLife International, Pacific Secretariat
10 MacGregor Road, Suva Fiji
GPO Box 18332 Suva FIJI Suva
+679 3313492
Steve Cranwell
  • Usuario
  • Punto De Contacto
Programme Manager, Invasive Alien Species, PACIFIC/SPI
BirdLife International, Pacific Secretariat
10 MacGregor Road, Suva Fiji
GPO Box 18332 Suva FIJI Suva
FJ
+679 3313492
Miliana Ravuso
Project Manager, Pacific Islands Restoration Programme PACIFIC/CONS
BirdLife International, Pacific Secretariat
10 MacGregor Road, Suva Fiji
GPO Box 18332 Suva FIJI Suva
FJ
+679 3313492
Miliana Ravuso
Project Manager, Pacific Islands Restoration Programme, PACIFIC/CONS
BirdLife International, Pacific Secretariat
10 MacGregor Road, Suva Fiji
GPO Box 18332 Suva FIJI Suva
FJ
+679 3313492

Cobertura geográfica

Yabu, also called by local people ‘Bird Island’ is a 7 ha, uninhabited island in Kadavu Province, Fiji (18° 50’ 40’’ S, 178° 30’ 08’’ E) (Figure 1). It is located 3.5 km from Buliya Island (home of the landowners); 63 km from Vunisia, Kadavu Island; and 25 km from Suva, Fiji’s capital. Yabu is only accessed by sea. On the south side, Yabu Island rises steeply from a narrow plateau, adjacent to the main beach, to a ridge that reaches 50 m at its highest point. The island is bound by cliffs on its west and north sides. Most of the cliffs are covered with vegetation all the way to the rocks at the bottom. There are a couple of cliff areas that are devoid of vegetation halfway to the bottom. There is a sparsely vegetated rock stack off the northern tip of the island. In addition to the main beach on the south side, there are two smaller ones on the east side. On this side the island slopes down from the ridge to the beaches.

Coordenadas límite Latitud Mínima Longitud Mínima [-18,855, 178,491], Latitud Máxima Longitud Máxima [-18,837, 178,511]

Cobertura temporal

Fecha Inicial / Fecha Final 2020-02-17 / 2020-02-19

Datos del proyecto

https://www.gbif.org/project/BID-PA2020-003-USE/using-invasive-species-and-biodiversity-data-for-decision-making-in-the-pacific-region

Título Enhancing Capacity in the Pacific Region - Using Invasive Species and Biodiversity Data for Informed Decision Making
Identificador BID-PA2020-003-USE

Personas asociadas al proyecto:

Steve Cranwell
  • Punto De Contacto

Métodos de muestreo

Rat Trapping 60 Snap traps baited with roasted coconut were deployed across the island following the established transect lines from the eradication operation. See the locations of the rat snap traps in relation to the original rat bait stations from the 2018 rat eradication operation in Appendix 1. The rat snap trap monitoring was conducted over 3 consecutive nights (17th – 19th February). The snap trap status in each station throughout all the transect lines was recorded at (6-8am the next morning). Bird Population Count The bird population count was conducted from 4pm to 6pm on 20th February 2020. The bird counts were carried out from a distance, in a boat, using binoculars and with the naked eye. The count started from the southern part of the island (camp site) around the western part of the island, the northern then the eastern side of the island. The number of roosting seabirds and nests along the coastline was recorded. Bird counts were conducted by two observers in which one concentrated on counting the Red footed boobies while the other observer counted the Brown boobies and the Lesser frigate birds. Land Bird Assessment Spot lighting is a search method used, at night, to find and catch birds using headlamps and torches to illuminate the sky to attract bird’s attention. This was conducted to monitor other ground nesting or burrowing seabirds that can potentially breed on the island. Yabu Island will likely attract ground nesting birds such as the collared petrel now that the rats have been removed. Spotlighting was conducted over 2 nights (19-20 February, 2020) at 2 different sites. The first night of spotlighting was conducted at a high elevation spot on the eastern side of the island and the second night conducted on the western side of the island, but along the beach. See Appendix 1 for the locations of the spot lighting sites. The bird species encountered during the 2 nights of spotlighting was recorded. Opportunistic Observation All general observations by each team member was recorded.

Área de Estudio The study had taken place on the island in year 2020 monitoring rat absence and presence and also observation of benefit species.

Descripción de la metodología paso a paso:

  1. Rat Trapping 60 Snap traps baited with roasted coconut were deployed across the island following the established transect lines from the eradication operation. See the locations of the rat snap traps in relation to the original rat bait stations from the 2018 rat eradication operation in Appendix 1. The rat snap trap monitoring was conducted over 3 consecutive nights (17th – 19th February). The snap trap status in each station throughout all the transect lines was recorded at (6-8am the next morning). Bird Population Count The bird population count was conducted from 4pm to 6pm on 20th February 2020. The bird counts were carried out from a distance, in a boat, using binoculars and with the naked eye. The count started from the southern part of the island (camp site) around the western part of the island, the northern then the eastern side of the island. The number of roosting seabirds and nests along the coastline was recorded. Bird counts were conducted by two observers in which one concentrated on counting the Red footed boobies while the other observer counted the Brown boobies and the Lesser frigate birds. Land Bird Assessment Spot lighting is a search method used, at night, to find and catch birds using headlamps and torches to illuminate the sky to attract bird’s attention. This was conducted to monitor other ground nesting or burrowing seabirds that can potentially breed on the island. Yabu Island will likely attract ground nesting birds such as the collared petrel now that the rats have been removed. Spotlighting was conducted over 2 nights (19-20 February, 2020) at 2 different sites. The first night of spotlighting was conducted at a high elevation spot on the eastern side of the island and the second night conducted on the western side of the island, but along the beach. See Appendix 1 for the locations of the spot lighting sites. The bird species encountered during the 2 nights of spotlighting was recorded. Opportunistic Observation All general observations by each team member was recorded.

Metadatos adicionales