Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population
Capture-recapture studies offer a powerful tool to assess abundance, survival and population rate of change (λ). A previous capture-recapture study, based on DNA profiles, estimated that the IUCN-listed Endangered Oceania population of humpback whales had a superpopulation size of 4329 whales (95% c...
Published in: | Endangered Species Research |
---|---|
Main Authors: | , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Inter-Research
2015
|
Subjects: | |
Online Access: | http://nora.nerc.ac.uk/id/eprint/512050/ https://nora.nerc.ac.uk/id/eprint/512050/1/Carroll.pdf https://doi.org/10.3354/esr00686 |
id |
ftnerc:oai:nora.nerc.ac.uk:512050 |
---|---|
record_format |
openpolar |
spelling |
ftnerc:oai:nora.nerc.ac.uk:512050 2023-05-15T16:36:08+02:00 Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population Carroll, E.L. Brooks, L. Baker, C.S. Burns, D. Garrigue, C. Hauser, N. Jackson, J.A. Poole, M.M. Fewster, R.M. 2015-09 text http://nora.nerc.ac.uk/id/eprint/512050/ https://nora.nerc.ac.uk/id/eprint/512050/1/Carroll.pdf https://doi.org/10.3354/esr00686 en eng Inter-Research https://nora.nerc.ac.uk/id/eprint/512050/1/Carroll.pdf Carroll, E.L.; Brooks, L.; Baker, C.S.; Burns, D.; Garrigue, C.; Hauser, N.; Jackson, J.A. orcid:0000-0003-4158-1924 Poole, M.M.; Fewster, R.M. 2015 Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population. Endangered Species Research, 28 (2). 147-162. https://doi.org/10.3354/esr00686 <https://doi.org/10.3354/esr00686> cc_by CC-BY Publication - Article PeerReviewed 2015 ftnerc https://doi.org/10.3354/esr00686 2023-02-04T19:42:16Z Capture-recapture studies offer a powerful tool to assess abundance, survival and population rate of change (λ). A previous capture-recapture study, based on DNA profiles, estimated that the IUCN-listed Endangered Oceania population of humpback whales had a superpopulation size of 4329 whales (95% confidence limits, CL: 3345, 5315) and λ = 1.03 (95% CL: 0.90-1.18) for the period 1999-2005. This low estimate of λ contrasts with the high estimated λ for the neighbouring east Australia population (1.11; 95% CL: 1.105-1.113). A future assessment of Oceania humpbacks through capture-recapture methodology has been proposed to meet 3 objectives: (1) estimate population size with a coefficient of variation of <20%, and detect if λ is significantly different from (2) 1.00 or (3) λ of east Australia. The proposed survey design involves using DNA profiles to identify whales on principal breeding grounds within Oceania in proportion to the abundance of whales on these grounds over the 10 to 12 wk wintering period, to minimise capture heterogeneity between individuals and to maximise capture probabilities. Simulations of the idealised survey design incorporating data from the previous surveys (1999-2005) with 3 new survey years were conducted under a range of scenarios for the ‘true’ demographic status of the population. Simulations of the entire Oceania region showed that the proposed design will give sufficient power to meet objectives (1) under all scenarios, (2) if the true λ ≥ 1.05 and (3) if the true λ ≤ 1.05. Region-specific simulations suggested there was scope to test for differences in recovery between principal breeding sites within Oceania. Article in Journal/Newspaper Humpback Whale Natural Environment Research Council: NERC Open Research Archive Endangered Species Research 28 2 147 162 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
English |
description |
Capture-recapture studies offer a powerful tool to assess abundance, survival and population rate of change (λ). A previous capture-recapture study, based on DNA profiles, estimated that the IUCN-listed Endangered Oceania population of humpback whales had a superpopulation size of 4329 whales (95% confidence limits, CL: 3345, 5315) and λ = 1.03 (95% CL: 0.90-1.18) for the period 1999-2005. This low estimate of λ contrasts with the high estimated λ for the neighbouring east Australia population (1.11; 95% CL: 1.105-1.113). A future assessment of Oceania humpbacks through capture-recapture methodology has been proposed to meet 3 objectives: (1) estimate population size with a coefficient of variation of <20%, and detect if λ is significantly different from (2) 1.00 or (3) λ of east Australia. The proposed survey design involves using DNA profiles to identify whales on principal breeding grounds within Oceania in proportion to the abundance of whales on these grounds over the 10 to 12 wk wintering period, to minimise capture heterogeneity between individuals and to maximise capture probabilities. Simulations of the idealised survey design incorporating data from the previous surveys (1999-2005) with 3 new survey years were conducted under a range of scenarios for the ‘true’ demographic status of the population. Simulations of the entire Oceania region showed that the proposed design will give sufficient power to meet objectives (1) under all scenarios, (2) if the true λ ≥ 1.05 and (3) if the true λ ≤ 1.05. Region-specific simulations suggested there was scope to test for differences in recovery between principal breeding sites within Oceania. |
format |
Article in Journal/Newspaper |
author |
Carroll, E.L. Brooks, L. Baker, C.S. Burns, D. Garrigue, C. Hauser, N. Jackson, J.A. Poole, M.M. Fewster, R.M. |
spellingShingle |
Carroll, E.L. Brooks, L. Baker, C.S. Burns, D. Garrigue, C. Hauser, N. Jackson, J.A. Poole, M.M. Fewster, R.M. Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population |
author_facet |
Carroll, E.L. Brooks, L. Baker, C.S. Burns, D. Garrigue, C. Hauser, N. Jackson, J.A. Poole, M.M. Fewster, R.M. |
author_sort |
Carroll, E.L. |
title |
Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population |
title_short |
Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population |
title_full |
Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population |
title_fullStr |
Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population |
title_full_unstemmed |
Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population |
title_sort |
assessing the design and power of capture-recapture studies to estimate demographic parameters for the endangered oceania humpback whale population |
publisher |
Inter-Research |
publishDate |
2015 |
url |
http://nora.nerc.ac.uk/id/eprint/512050/ https://nora.nerc.ac.uk/id/eprint/512050/1/Carroll.pdf https://doi.org/10.3354/esr00686 |
genre |
Humpback Whale |
genre_facet |
Humpback Whale |
op_relation |
https://nora.nerc.ac.uk/id/eprint/512050/1/Carroll.pdf Carroll, E.L.; Brooks, L.; Baker, C.S.; Burns, D.; Garrigue, C.; Hauser, N.; Jackson, J.A. orcid:0000-0003-4158-1924 Poole, M.M.; Fewster, R.M. 2015 Assessing the design and power of capture-recapture studies to estimate demographic parameters for the Endangered Oceania humpback whale population. Endangered Species Research, 28 (2). 147-162. https://doi.org/10.3354/esr00686 <https://doi.org/10.3354/esr00686> |
op_rights |
cc_by |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3354/esr00686 |
container_title |
Endangered Species Research |
container_volume |
28 |
container_issue |
2 |
container_start_page |
147 |
op_container_end_page |
162 |
_version_ |
1766026439669317632 |