Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.

The usage of invasive tagging methods to assess lizard populations has often been criticised, due to the potential negative effects of marking, which possibly cause increased mortality or altered behaviour. The development of safe, less invasive techniques is essential for improved ecological study...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Rachakonda Sreekar, Chetana B Purushotham, Katya Saini, Shyam N Rao, Simon Pelletier, Saniya Chaplod
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cd44076b185f43a8a23daa3b393ff444
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:cd44076b185f43a8a23daa3b393ff444
record_format	dspace
spelling	oai:doaj.org-article:cd44076b185f43a8a23daa3b393ff4442021-11-18T07:57:47ZPhotographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.1932-620310.1371/journal.pone.0055935https://doaj.org/article/cd44076b185f43a8a23daa3b393ff4442013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23418477/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203The usage of invasive tagging methods to assess lizard populations has often been criticised, due to the potential negative effects of marking, which possibly cause increased mortality or altered behaviour. The development of safe, less invasive techniques is essential for improved ecological study and conservation of lizard populations. In this study, we describe a photographic capture-recapture (CR) technique for estimating Draco dussumieri (Agamidae) populations. We used photographs of the ventral surface of the patagium to identify individuals. To establish that the naturally occurring blotches remained constant through time, we compared capture and recapture photographs of 45 pen-marked individuals after a 30 day interval. No changes in blotches were observed and individual lizards could be identified with 100% accuracy. The population density of D. dussumieri in a two hectare areca-nut plantation was estimated using the CR technique with ten sampling occasions over a ten day period. The resulting recapture histories for 24 individuals were analysed using population models in the program CAPTURE. All models indicated that nearly all individuals were captured. The estimated probability for capturing D. dussumieri on at least one occasion was 0.92 and the estimated population density was 13±1.65 lizards/ha. Our results demonstrate the potential for applying CR to population studies in gliding lizards (Draco spp.) and other species with distinctive markings.Rachakonda SreekarChetana B PurushothamKatya SainiShyam N RaoSimon PelletierSaniya ChaplodPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 2, p e55935 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Rachakonda Sreekar Chetana B Purushotham Katya Saini Shyam N Rao Simon Pelletier Saniya Chaplod Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.
description	The usage of invasive tagging methods to assess lizard populations has often been criticised, due to the potential negative effects of marking, which possibly cause increased mortality or altered behaviour. The development of safe, less invasive techniques is essential for improved ecological study and conservation of lizard populations. In this study, we describe a photographic capture-recapture (CR) technique for estimating Draco dussumieri (Agamidae) populations. We used photographs of the ventral surface of the patagium to identify individuals. To establish that the naturally occurring blotches remained constant through time, we compared capture and recapture photographs of 45 pen-marked individuals after a 30 day interval. No changes in blotches were observed and individual lizards could be identified with 100% accuracy. The population density of D. dussumieri in a two hectare areca-nut plantation was estimated using the CR technique with ten sampling occasions over a ten day period. The resulting recapture histories for 24 individuals were analysed using population models in the program CAPTURE. All models indicated that nearly all individuals were captured. The estimated probability for capturing D. dussumieri on at least one occasion was 0.92 and the estimated population density was 13±1.65 lizards/ha. Our results demonstrate the potential for applying CR to population studies in gliding lizards (Draco spp.) and other species with distinctive markings.
format	article
author	Rachakonda Sreekar Chetana B Purushotham Katya Saini Shyam N Rao Simon Pelletier Saniya Chaplod
author_facet	Rachakonda Sreekar Chetana B Purushotham Katya Saini Shyam N Rao Simon Pelletier Saniya Chaplod
author_sort	Rachakonda Sreekar
title	Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.
title_short	Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.
title_full	Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.
title_fullStr	Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.
title_full_unstemmed	Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.
title_sort	photographic capture-recapture sampling for assessing populations of the indian gliding lizard draco dussumieri.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/cd44076b185f43a8a23daa3b393ff444
work_keys_str_mv	AT rachakondasreekar photographiccapturerecapturesamplingforassessingpopulationsoftheindianglidinglizarddracodussumieri AT chetanabpurushotham photographiccapturerecapturesamplingforassessingpopulationsoftheindianglidinglizarddracodussumieri AT katyasaini photographiccapturerecapturesamplingforassessingpopulationsoftheindianglidinglizarddracodussumieri AT shyamnrao photographiccapturerecapturesamplingforassessingpopulationsoftheindianglidinglizarddracodussumieri AT simonpelletier photographiccapturerecapturesamplingforassessingpopulationsoftheindianglidinglizarddracodussumieri AT saniyachaplod photographiccapturerecapturesamplingforassessingpopulationsoftheindianglidinglizarddracodussumieri
_version_	1718422757213995008

Photographic capture-recapture sampling for assessing populations of the Indian gliding lizard Draco dussumieri.

Ejemplares similares