Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)

One third of bird species in North America need immediate conservation action. Effective management and recovery actions for species of conservation concern require accurate methods of monitoring species occurrence that limit the incidence of nondetection error (when a species is falsely recorded as...

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Autores principales:	Elisabeth F. Purves, C. Myles. Falconer, Douglas C. Tozer, Kristyn Richardson
Formato:	article
Lenguaje:	EN
Publicado:	Resilience Alliance 2019
Materias:	aerial insectivore <span style="font-size: normal">chaetura pelagica</span> chimney swift citizen science detection probability dynamic occupancy model habitat loss Plant culture SB1-1110 Environmental sciences GE1-350 Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/3168a07ea42d47ad95cd3829f466cd0d
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spelling	oai:doaj.org-article:3168a07ea42d47ad95cd3829f466cd0d2021-12-02T11:25:41ZTiming matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)1712-6568https://doaj.org/article/3168a07ea42d47ad95cd3829f466cd0d2019-06-01T00:00:00Zhttp://www.ace-eco.org/vol14/iss1/art8/https://doaj.org/toc/1712-6568One third of bird species in North America need immediate conservation action. Effective management and recovery actions for species of conservation concern require accurate methods of monitoring species occurrence that limit the incidence of nondetection error (when a species is falsely recorded as absent when it is present). The Chimney Swift (Chaetura pelagica) is experiencing widespread population declines in North America, possibly, in part, because chimneys used for nesting or roosting are being capped or demolished. In particular, the presence of nesting swifts in a chimney can be difficult to determine, and thus, it is important to design survey protocols that limit the incidence of nondetection error. Here, we used data from Bird Studies Canada's Citizen Science program, Ontario SwiftWatch, and dynamic occupancy models to examine factors influencing the probability of detecting Chimney Swifts at nest sites. We found that the probability of detecting Chimney Swifts at nest chimneys decreased with increasing cloud cover. We also found some support suggesting that detection increased moderately with date over the course of the nesting period (June-July). Based on our findings, we recommend that surveys aiming to identify Chimney Swift nest sites in southern Ontario, Canada should be conducted for at least one hour under clear skies, and as late in the nesting period as possible. The results of this study will inform survey design to reduce the incidence of false negatives during chimney surveys for nest occupancy, and as a result, help reduce Chimney Swift nesting habitat disturbance and loss.Elisabeth F. PurvesC. Myles. FalconerDouglas C. TozerKristyn RichardsonResilience Alliancearticleaerial insectivore<span style="font-size: normal">chaetura pelagica</span>chimney swiftcitizen sciencedetection probabilitydynamic occupancy modelhabitat lossPlant cultureSB1-1110Environmental sciencesGE1-350Plant ecologyQK900-989ENAvian Conservation and Ecology, Vol 14, Iss 1, p 8 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	aerial insectivore <span style="font-size: normal">chaetura pelagica</span> chimney swift citizen science detection probability dynamic occupancy model habitat loss Plant culture SB1-1110 Environmental sciences GE1-350 Plant ecology QK900-989
spellingShingle	aerial insectivore <span style="font-size: normal">chaetura pelagica</span> chimney swift citizen science detection probability dynamic occupancy model habitat loss Plant culture SB1-1110 Environmental sciences GE1-350 Plant ecology QK900-989 Elisabeth F. Purves C. Myles. Falconer Douglas C. Tozer Kristyn Richardson Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)
description	One third of bird species in North America need immediate conservation action. Effective management and recovery actions for species of conservation concern require accurate methods of monitoring species occurrence that limit the incidence of nondetection error (when a species is falsely recorded as absent when it is present). The Chimney Swift (Chaetura pelagica) is experiencing widespread population declines in North America, possibly, in part, because chimneys used for nesting or roosting are being capped or demolished. In particular, the presence of nesting swifts in a chimney can be difficult to determine, and thus, it is important to design survey protocols that limit the incidence of nondetection error. Here, we used data from Bird Studies Canada's Citizen Science program, Ontario SwiftWatch, and dynamic occupancy models to examine factors influencing the probability of detecting Chimney Swifts at nest sites. We found that the probability of detecting Chimney Swifts at nest chimneys decreased with increasing cloud cover. We also found some support suggesting that detection increased moderately with date over the course of the nesting period (June-July). Based on our findings, we recommend that surveys aiming to identify Chimney Swift nest sites in southern Ontario, Canada should be conducted for at least one hour under clear skies, and as late in the nesting period as possible. The results of this study will inform survey design to reduce the incidence of false negatives during chimney surveys for nest occupancy, and as a result, help reduce Chimney Swift nesting habitat disturbance and loss.
format	article
author	Elisabeth F. Purves C. Myles. Falconer Douglas C. Tozer Kristyn Richardson
author_facet	Elisabeth F. Purves C. Myles. Falconer Douglas C. Tozer Kristyn Richardson
author_sort	Elisabeth F. Purves
title	Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)
title_short	Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)
title_full	Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)
title_fullStr	Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)
title_full_unstemmed	Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)
title_sort	timing matters: cloud cover and date influence probability of detecting nesting chimney swifts (chaetura pelagica)
publisher	Resilience Alliance
publishDate	2019
url	https://doaj.org/article/3168a07ea42d47ad95cd3829f466cd0d
work_keys_str_mv	AT elisabethfpurves timingmatterscloudcoveranddateinfluenceprobabilityofdetectingnestingchimneyswiftschaeturapelagica AT cmylesfalconer timingmatterscloudcoveranddateinfluenceprobabilityofdetectingnestingchimneyswiftschaeturapelagica AT douglasctozer timingmatterscloudcoveranddateinfluenceprobabilityofdetectingnestingchimneyswiftschaeturapelagica AT kristynrichardson timingmatterscloudcoveranddateinfluenceprobabilityofdetectingnestingchimneyswiftschaeturapelagica
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Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)

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