[MARMAM] New publication on mark-recapture modelling when there is heterogeneity linked to reproductive state: application to southern right whales
Dear Colleagues, We are pleased to announced the publication of the following paper http://www.esajournals.org/doi/abs/10.1890/12-1657.1 Carroll, Emma, Simon Childerhouse, Rachel M. Fewster, Nathalie J. Patenaude, Debbie Steel, Glenn Dunshea, Laura Boren, and C. Scott Baker. In press. Accounting for female reproductive cycles in a superpopulation capture-recapture framework. Ecological Applications. http://dx.doi.org/10.1890/12-1657.1 Accounting for female reproductive cycles in a superpopulation capture-recapture framework Emma Carroll 1,*, Simon Childerhouse 2, Rachel M. Fewster 3, Nathalie J. Patenaude 4, Debbie Steel 5, Glenn Dunshea 6, Laura Boren 7, and C. Scott Baker 8 Superpopulation capture-recapture models are useful for estimating the abundance of long-lived, migratory species as they are able to account for the fluid nature of annual residency at migratory destinations. Here we extend the superpopulation POPAN model to explicitly account for heterogeneity in capture probability linked to reproductive cycles (POPAN-τ). This extension has potential application to a range of species that have temporally variable life stages (e.g. non-annual breeders such as albatrosses and baleen whales) and results in a significant reduction in bias over the standard model. We demonstrate the utility of this model in simultaneously estimating abundance and annual population growth rate (λ) in the New Zealand (NZ) southern right whale from 1995-2009. DNA profiles were constructed for the individual identification of more than 700 whales, sampled during two sets of winter expeditions in 1995-1998 and 2006-2009. Due to differences in recapture rates between sexes, only sex-specific models were considered. The POPAN-τ models, which explicitly account for a decrease in capture probability in non-calving years, fit the female dataset significantly better than standard superpopulation models (ΔAIC25). The best POPAN-τ model (AIC) gave a superpopulation estimate of 1162 females for 1995-2009 (95% CL 921, 1467) and an estimated annual increase of 5% (95% CL -2%, 13%). The best model (AIC) gave a superpopulation estimate of 1007 males (95% CL 794, 1276) and an estimated annual increase of 7% (95% CL 5%, 9%) for 1995-2009. Combined, the total superpopulation estimate for 1995-2009 was 2169 whales (95% CL 1836, 2563). Simulations suggest that failure to account for the effect of reproductive status on the capture probability would result in a substantial positive bias (+19%) in female abundance estimates. Read More: http://www.esajournals.org/doi/abs/10.1890/12-1657.1 -- Emma Carroll PhD Postdoctoral Researcher Molecular Ecology and Evolution | School of Biological Sciences University of Auckland | phone 64 9 3737599 x 71762 ___ MARMAM mailing list MARMAM@lists.uvic.ca https://lists.uvic.ca/mailman/listinfo/marmam
[MARMAM] New publication on New Zealand southern right whales
Dear Colleagues, we are please to announce the following publication presenting evidence for the re-establishment of the mainland New Zealand southern right whales http://onlinelibrary.wiley.com/doi/10./mms.12031/abstract Reestablishment of former wintering grounds by New Zealand southern right whales Emma L. Carroll* , William J. Rayment*, Alana M. Alexander, C. Scott Baker, Nathalie J. Patenaude, Debbie Steel, Rochelle Constantine, Rosalind Cole, Laura J. Boren, Simon Childerhouse *These two authors contributed equally to the data analysis and preparation of this manuscript. Historically, the range of the southern right whale (SRW) included winter calving grounds around the North and South Islands (mainland) of New Zealand (NZ) and in the NZ subantarctic Auckland and Campbell Islands. Due to extensive whaling in the 19th and 20th centuries, no SRW was seen around mainland NZ for nearly four decades (1928–1963). Here we present evidence for the regular use of the mainland NZ wintering ground, presumably from a remnant population that persisted in the NZ subantarctic Auckland and Campbell Islands. SRWs have been sighted every year around mainland NZ since 1988, with 125 sightings during the focus of this work: from 2003 to 2010. There were 28 cow-calf pairs sighted around mainland NZ from 2003 to 2010, compared with 11 sightings from 1991 to 2002. Furthermore, two females, identified by DNA profiles, were sighted with calves around mainland at 4 yr intervals: the first evidence of female site fidelity to the mainland NZ calving ground. Individual identification from photographs of natural markings and DNA profiles provided information on within-year movements and residency around the mainland, and further evidence for exchange between the mainland and subantarctic wintering grounds. Despite these promising signs, the distribution of NZ SRWs remains primarily concentrated in the NZ subantarctic. -- Emma Carroll PhD Postdoctoral Researcher Molecular Ecology and Evolution | School of Biological Sciences University of Auckland | phone 64 9 3737599 x 71762 ___ MARMAM mailing list MARMAM@lists.uvic.ca https://lists.uvic.ca/mailman/listinfo/marmam
[MARMAM] JNCC Article 17 public consultation
Dear MARMAM JNCC, the UK's statutory nature conservation agency, is currently undertaking a consultation on the draft 3rd UK Report for the fulfillment of Article 17 of the Habitats Directive (Council Directive 92/43/EEC on the Conservation of natural habitats and of wild fauna and flora). It is important that the JNCC reach the correct conclusion on the conservation status for each species and habitat in the UK in question (those listed in Annex IV). They request any further data or information, of which they may not be aware, and which would substantially strengthen or alter the conclusion(s) reached. WDC would encourage you to read and respond to the consultation as appropriate (ends May 10th). The relevant documentation can be found here: http://jncc.defra.gov.uk/page-6387 Many thanks, Sarah Dolman WDC Northeast Atlantic programme manager [WDC - Whale and Dolphin Conservation]http://www.whales.org/ Sarah Dolman Northeast Atlantic programme manager Telephone: +44 (0)1316 617 722 Mobile: +44 (0)783 449 8275 WDC, Whale and Dolphin Conservation Scottish Dolphin Centre Spey Bay Moray IV32 7PJ United Kingdom whales.orghttp://whales.org [WDC on Facebook]http://www.facebook.com/whales.org [WDC on Twitter] http://www.twitter.com/WHALES_org [WDC on YouTube] http://www.youtube.com/wdcsuk [WDC Blogs] http://whales.org/en/blog [WDC E-Newsletter] http://whales.org/en/newsletter [http://www.wdcs.co.uk/media/images/EmailSignatureImages/Campaigns/WDCSchanged.png]http://whales.org/en/news/2012/10/wdcs-has-become-wdc Whale and Dolphin Conservation (WDC) is a company registered in England and Wales (No. 02737421) and a registered charity (in England and Wales No. 1014705, in Scotland No. SC040231) WDC Shop is a trading name of WDC (Trading) Ltd, a company registered in England and Wales (No. 02593116) Registered office : Brookfield House, 38 St. Paul Street, Chippenham, Wiltshire, SN15 1LJ. Tel: +44 (0)1249 449 500 This message is private and confidential. If you have received this message in error, please notify us and remove it from your system. inline: image001.pnginline: image002.pnginline: image003.pnginline: image004.pnginline: image005.pnginline: image006.pnginline: image007.png___ MARMAM mailing list MARMAM@lists.uvic.ca https://lists.uvic.ca/mailman/listinfo/marmam
[MARMAM] aorta branching in the bottlenose dolpin
Dear list members, my colleague and me are interested in the branching of aorta in the bottlenose dolphin. Is someone aware of any publication in this topic? If yes, could you please send me a copy of the article or a reference list. Thank you very much. Martina Duras, DVM, PhD Department of Anatomy, Histology and Embryology Faculty of Veterinary Medicine University of Zagreb Heinzelova 55 1 Zagreb Croatia ___ MARMAM mailing list MARMAM@lists.uvic.ca https://lists.uvic.ca/mailman/listinfo/marmam
