Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study

Abstract Globally, seabird populations have been in decline due to multiple threats throughout their range. Separating simultaneous pressures is challenging and can require significant amounts of data over long periods of time. We use spatial contrasts to investigate the relative importance of sever...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Chris Wilcox, Nicholas Carlile, Britta Denise Hardesty, Tim Reid
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6b2fef825ecf4203b8acf90838d1232f
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:6b2fef825ecf4203b8acf90838d1232f
record_format	dspace
spelling	oai:doaj.org-article:6b2fef825ecf4203b8acf90838d1232f2021-12-02T18:18:07ZAssessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study10.1038/s41598-021-86702-42045-2322https://doaj.org/article/6b2fef825ecf4203b8acf90838d1232f2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86702-4https://doaj.org/toc/2045-2322Abstract Globally, seabird populations have been in decline due to multiple threats throughout their range. Separating simultaneous pressures is challenging and can require significant amounts of data over long periods of time. We use spatial contrasts to investigate the relative importance of several drivers for the purported decline in a species listed as in decline as an example species, the Flesh-footed shearwater (Ardenna carneipes). On Lord Howe Island in the Tasman Sea, Australia, this seabird suffers from habitat loss due to housing development, intensive mortality in fisheries, plastic ingestion, and roadkill due to vehicular traffic on its breeding island. We repeated a quantitative survey of the population to ascertain whether the decline previously reported had continued and to evaluate the purported mortality sources (Reid et al. in PLoS ONE 8(4):e58230, 2013, Lavers et al. in Global Ecol Conserv 17:e00579, 2019). We measured burrow density, area of occurrence, occupancy and breeding success, integrating them with previous surveys using a Bayesian statistical model to generate longer term estimates of demographic rates. We used spatial patterns to test whether mortality on roads or proximity to human habitation was influencing population demographics. In contrast to predictions, we found the population had stabilised or increased. Characteristics such as burrow occupancy and breeding success showed little pattern, with weak evidence for impacts from road mortality and housing development. Such a data-rich approach is substantially more informative and can better support seabird conservation and management efforts does require more field-time and additional equipment than most contemporary surveys, the data is substantially more informative and can better clarify the results of efforts in seabird conservation and management.Chris WilcoxNicholas CarlileBritta Denise HardestyTim ReidNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chris Wilcox Nicholas Carlile Britta Denise Hardesty Tim Reid Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study
description	Abstract Globally, seabird populations have been in decline due to multiple threats throughout their range. Separating simultaneous pressures is challenging and can require significant amounts of data over long periods of time. We use spatial contrasts to investigate the relative importance of several drivers for the purported decline in a species listed as in decline as an example species, the Flesh-footed shearwater (Ardenna carneipes). On Lord Howe Island in the Tasman Sea, Australia, this seabird suffers from habitat loss due to housing development, intensive mortality in fisheries, plastic ingestion, and roadkill due to vehicular traffic on its breeding island. We repeated a quantitative survey of the population to ascertain whether the decline previously reported had continued and to evaluate the purported mortality sources (Reid et al. in PLoS ONE 8(4):e58230, 2013, Lavers et al. in Global Ecol Conserv 17:e00579, 2019). We measured burrow density, area of occurrence, occupancy and breeding success, integrating them with previous surveys using a Bayesian statistical model to generate longer term estimates of demographic rates. We used spatial patterns to test whether mortality on roads or proximity to human habitation was influencing population demographics. In contrast to predictions, we found the population had stabilised or increased. Characteristics such as burrow occupancy and breeding success showed little pattern, with weak evidence for impacts from road mortality and housing development. Such a data-rich approach is substantially more informative and can better support seabird conservation and management efforts does require more field-time and additional equipment than most contemporary surveys, the data is substantially more informative and can better clarify the results of efforts in seabird conservation and management.
format	article
author	Chris Wilcox Nicholas Carlile Britta Denise Hardesty Tim Reid
author_facet	Chris Wilcox Nicholas Carlile Britta Denise Hardesty Tim Reid
author_sort	Chris Wilcox
title	Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study
title_short	Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study
title_full	Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study
title_fullStr	Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study
title_full_unstemmed	Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study
title_sort	assessing multiple threats to seabird populations using flesh-footed shearwaters ardenna carneipes on lord howe island, australia as case study
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/6b2fef825ecf4203b8acf90838d1232f
work_keys_str_mv	AT chriswilcox assessingmultiplethreatstoseabirdpopulationsusingfleshfootedshearwatersardennacarneipesonlordhoweislandaustraliaascasestudy AT nicholascarlile assessingmultiplethreatstoseabirdpopulationsusingfleshfootedshearwatersardennacarneipesonlordhoweislandaustraliaascasestudy AT brittadenisehardesty assessingmultiplethreatstoseabirdpopulationsusingfleshfootedshearwatersardennacarneipesonlordhoweislandaustraliaascasestudy AT timreid assessingmultiplethreatstoseabirdpopulationsusingfleshfootedshearwatersardennacarneipesonlordhoweislandaustraliaascasestudy
_version_	1718378279809843200

Assessing multiple threats to seabird populations using flesh-footed shearwaters Ardenna carneipes on Lord Howe Island, Australia as case study

Ejemplares similares