Relationship between effective and demographic population size in continuously distributed populations
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Pierson, Jennifer C; Graves, Tabitha A; Banks, Samuel; Kendall, Katherine C; Lindenmayer, David B
Description
Genetic monitoring of wild populations can offer insights into demographic and genetic information simultaneously. However, widespread application of genetic monitoring is hindered by large uncertainty in the estimation and interpretation of target metrics such as contemporary effective population size, N e. We used four long‐term genetic and demographic studies (≥9 years) to evaluate the temporal stability of the relationship between N e and demographic population size (N c). These case...[Show more]
dc.contributor.author | Pierson, Jennifer C | |
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dc.contributor.author | Graves, Tabitha A | |
dc.contributor.author | Banks, Samuel | |
dc.contributor.author | Kendall, Katherine C | |
dc.contributor.author | Lindenmayer, David B | |
dc.date.accessioned | 2018-08-07T23:47:31Z | |
dc.date.available | 2018-08-07T23:47:31Z | |
dc.identifier.issn | 1752-4571 | |
dc.identifier.uri | http://hdl.handle.net/1885/146118 | |
dc.description.abstract | Genetic monitoring of wild populations can offer insights into demographic and genetic information simultaneously. However, widespread application of genetic monitoring is hindered by large uncertainty in the estimation and interpretation of target metrics such as contemporary effective population size, N e. We used four long‐term genetic and demographic studies (≥9 years) to evaluate the temporal stability of the relationship between N e and demographic population size (N c). These case studies focused on mammals that are continuously distributed, yet dispersal‐limited within the spatial scale of the study. We estimated local, contemporary N e with single‐sample methods (LDNE, Heterozygosity Excess, and Molecular Ancestry) and demographic abundance with either mark–recapture estimates or catch‐per‐unit effort indices. Estimates of N e varied widely within each case study suggesting interpretation of estimates is challenging. We found inconsistent correlations and trends both among estimates of N e and between N e and N c suggesting the value of N e as an indicator of N c is limited in some cases. In the two case studies with consistent trends between N e and N c, FIS was more stable over time and lower, suggesting FIS may be a good indicator that the population was sampled at a spatial scale at which genetic structure is not biasing estimates of N e. These results suggest that more empirical work on the estimation of N e in continuous populations is needed to understand the appropriate context to use LDNe as a useful metric in a monitoring programme to detect temporal trends in either N e or N c. | |
dc.description.sponsorship | Amy Macleod, and Jeff Stetz. JCP and DBL were supported by an ARC Laureate project to complete this work, SCB was supported by ARC grant FT130100043 and TG was supported by USGS. | |
dc.format | 14 pages | |
dc.format.mimetype | application/pdf | |
dc.language.iso | en_AU | |
dc.publisher | Wiley | |
dc.rights | © 2018 The Authors. Evolutionary Applications published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. | |
dc.source | Evolutionary applications | |
dc.subject | LDNe | |
dc.subject | effective population size | |
dc.subject | genetic indicator | |
dc.subject | genetic monitoring | |
dc.subject | population trends | |
dc.title | Relationship between effective and demographic population size in continuously distributed populations | |
dc.type | Journal article | |
local.identifier.citationvolume | 11 | |
dcterms.dateAccepted | 2018-03-24 | |
dc.date.issued | 2018-08 | |
local.identifier.ariespublication | a383154xPUB10457 | |
local.publisher.url | https://authorservices.wiley.com/open-science/open-access/index.html | |
local.type.status | Published Version | |
local.contributor.affiliation | Pierson, Jennifer C., FSES General, CoS Fenner School of Environment and Society, The Australian National University | |
dc.relation | http://purl.org/au-research/grants/arc/FT130100043 | |
local.bibliographicCitation.issue | 7 | |
local.bibliographicCitation.startpage | 1162 | |
local.bibliographicCitation.lastpage | 1175 | |
local.identifier.doi | 10.1111/eva.12636 | |
dcterms.accessRights | Open Access | |
Collections | ANU Research Publications |
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