{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T09:27:25Z","timestamp":1787218045681,"version":"build-2736575974"},"reference-count":31,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100017216","name":"Institut \u00e9cologie et environnement","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100017216","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001665","name":"Agence Nationale de la Recherche","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001665","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ecology and Evolution"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Population Projection Matrices (PPM) are discrete mathematical formulations of population growth that are key tools in demographic population studies, enabling the prediction of growth for populations structured with age, size, or other life stages. However, several studies have identified errors stemming from misconceptions related to survival and reproduction parameters, as well as confusion between post\u2010breeding and pre\u2010breeding in the case of Leslie matrices. The present work aims to propose a simple and robust method called Matrices Alternated Products (MAP) for reliably constructing PPM directly from life tables and empirical data. The MAP approach provides a systematic framework for defining both survival and reproductive parameters and producing pre\u2010breeding and post\u2010breeding matrices. The method we propose allows reducing errors and improving the accuracy of demographic population models, and the code we provide will allow population ecologists and wildlife managers to apply this method to any case study in practice.<\/jats:p>","DOI":"10.1002\/ece3.73932","type":"journal-article","created":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T01:50:42Z","timestamp":1782957042000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Pre\u2010 Versus Post\u2010Breeding Population Projection Models? A Simple Fix to a Common Parametrization Error"],"prefix":"10.1002","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5412-4648","authenticated-orcid":false,"given":"Thomas L. P.","family":"Martin","sequence":"first","affiliation":[{"name":"UMR CNRS 5558\u2014Laboratoire de Biom\u00e9trie et de Biologie \u00c9volutive, UCB Lyon 1\u2014B\u00e2t. Gr\u00e9gor Mendel 43 Bd du 11 Novembre 1918 69622 Villeurbanne Cedex  Villeurbanne France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean\u2010Michel","family":"Gaillard","sequence":"additional","affiliation":[{"name":"UMR CNRS 5558\u2014Laboratoire de Biom\u00e9trie et de Biologie \u00c9volutive, UCB Lyon 1\u2014B\u00e2t. Gr\u00e9gor Mendel 43 Bd du 11 Novembre 1918 69622 Villeurbanne Cedex  Villeurbanne France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9924-419X","authenticated-orcid":false,"given":"Christophe","family":"Bonenfant","sequence":"additional","affiliation":[{"name":"UMR CNRS 5558\u2014Laboratoire de Biom\u00e9trie et de Biologie \u00c9volutive, UCB Lyon 1\u2014B\u00e2t. Gr\u00e9gor Mendel 43 Bd du 11 Novembre 1918 69622 Villeurbanne Cedex  Villeurbanne France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,1]]},"reference":[{"key":"e_1_2_11_2_1","first-page":"66","volume-title":"Primate Life Histories and Socioecology","author":"Alberts S. 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