Vlaanderen.be

Onderzoeksoutput

GPS-tracking and colony observations reveal variation in offshore habitat use and foraging ecology of breeding Sandwich Terns

Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikel

Standard

Harvard

APA

Author

Bibtex

@article{86ed7e3fb3b34bcbbbc7c2df8fec4c06,
title = "GPS-tracking and colony observations reveal variation in offshore habitat use and foraging ecology of breeding Sandwich Terns",
abstract = "Breeding success of seabirds critically depends on their foraging success offshore.However, studies combining atsea tracking and visual provisioning observations are scarce, especially for smaller species of seabirds. This studyis the first in which breeding Sandwich Terns were tracked with GPS-loggers to collect detailed data on foraging habitat use in four breeding seasons. Themaximumhomerange of individual Sandwich Terns comprised approximately1900 km2 and the average foraging range was 27 km. Trip durations were on average 135 min with average trip lengths of 67 km. Actual foraging behaviour comprised 35{\%} of the time budget of a foraging trip.Substantial year-to-year variation was found in habitat use and trip variables, yet with the exception of 2012, home range size remained similar between years. Food availability, chick age and environmental conditions are proposed as the main driving factors between inter- and intra-annual variations in trip variables. Our multi-method approach also provided geo-referenced information on prey presence and we conclude that future combining of colony observations and GPS-loggers deployments can potentially provide a near complete insightinto the feeding ecology of breeding Sandwich Terns, including the behaviour of birds at sea.",
author = "Ruben Fijn and {de Jong}, Job and Wouter Courtens and Hilbran Verstraete and Eric Stienen and Martin Poot",
year = "2017",
month = "9",
day = "20",
doi = "10.1016/j.seares.2016.11.005",
language = "English",
journal = "Journal of Sea Research",
issn = "1385-1101",
publisher = "Netherlands Institute for Sea Research",

}

RIS

TY - JOUR

T1 - GPS-tracking and colony observations reveal variation in offshore habitat use and foraging ecology of breeding Sandwich Terns

AU - Fijn, Ruben

AU - de Jong, Job

AU - Courtens, Wouter

AU - Verstraete, Hilbran

AU - Stienen, Eric

AU - Poot, Martin

PY - 2017/9/20

Y1 - 2017/9/20

N2 - Breeding success of seabirds critically depends on their foraging success offshore.However, studies combining atsea tracking and visual provisioning observations are scarce, especially for smaller species of seabirds. This studyis the first in which breeding Sandwich Terns were tracked with GPS-loggers to collect detailed data on foraging habitat use in four breeding seasons. Themaximumhomerange of individual Sandwich Terns comprised approximately1900 km2 and the average foraging range was 27 km. Trip durations were on average 135 min with average trip lengths of 67 km. Actual foraging behaviour comprised 35% of the time budget of a foraging trip.Substantial year-to-year variation was found in habitat use and trip variables, yet with the exception of 2012, home range size remained similar between years. Food availability, chick age and environmental conditions are proposed as the main driving factors between inter- and intra-annual variations in trip variables. Our multi-method approach also provided geo-referenced information on prey presence and we conclude that future combining of colony observations and GPS-loggers deployments can potentially provide a near complete insightinto the feeding ecology of breeding Sandwich Terns, including the behaviour of birds at sea.

AB - Breeding success of seabirds critically depends on their foraging success offshore.However, studies combining atsea tracking and visual provisioning observations are scarce, especially for smaller species of seabirds. This studyis the first in which breeding Sandwich Terns were tracked with GPS-loggers to collect detailed data on foraging habitat use in four breeding seasons. Themaximumhomerange of individual Sandwich Terns comprised approximately1900 km2 and the average foraging range was 27 km. Trip durations were on average 135 min with average trip lengths of 67 km. Actual foraging behaviour comprised 35% of the time budget of a foraging trip.Substantial year-to-year variation was found in habitat use and trip variables, yet with the exception of 2012, home range size remained similar between years. Food availability, chick age and environmental conditions are proposed as the main driving factors between inter- and intra-annual variations in trip variables. Our multi-method approach also provided geo-referenced information on prey presence and we conclude that future combining of colony observations and GPS-loggers deployments can potentially provide a near complete insightinto the feeding ecology of breeding Sandwich Terns, including the behaviour of birds at sea.

U2 - 10.1016/j.seares.2016.11.005

DO - 10.1016/j.seares.2016.11.005

M3 - A1: Web of Science-article

JO - Journal of Sea Research

JF - Journal of Sea Research

SN - 1385-1101

ER -

Onderzoeksoutput (gerelateerd via auteurs)
Winkelwagen
Toevoegen aan winkelwagen Opgeslagen in winkelwagen

Kopieer de tekst uit dit veld...

Documenten

Documenten

  • Fijn_etal_2017_ J_Sea_Research

    !!Proof, 1,35 MB, PDF-document

DOI

Relaties
Bekijk grafiek van relaties