{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Bessho K"],"funding":["Japan Society for the Promotion of Science"],"pagination":["e0295409"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10919683"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["19(3)"],"pubmed_abstract":["Macroalgal populations often consist of free-living haploid (gametophyte) and diploid (sporophyte) stages. Various ecological studies have been conducted to examine the demographic diversity of haploid-diploid populations with regard to the dominant stage. Here, I relaxed the assumption of classical research that the life history parameters of haploids and diploids are identical and developed a generalized haploid-diploid model that explicitly accounts for population density dependence and asexual reproduction. Analysis of this model yielded an exact solution for the abundance ratio of haploids to diploids in a population in which the ratio is determined by the balance of four demographic forces: sexual reproduction by haploids, sexual reproduction by diploids, asexual reproduction by haploids, and asexual reproduction by diploids. Furthermore, the persistence of a haploid-diploid population and its total biomass are shown to be determined by the basic reproductive number (R0), which is shown to be a function of these four demographic forces. When R0 is greater than one, the haploid-diploid population stably persists, and the ploidy ratio obtained by the analytical solution is realized."],"journal":["PloS one"],"pubmed_title":["Stable demographic ratios of haploid gametophyte to diploid sporophyte abundance in macroalgal populations."],"pmcid":["PMC10919683"],"funding_grant_id":["22K06407","19K16225"],"pubmed_authors":["Bessho K"],"additional_accession":[]},"is_claimable":false,"name":"Stable demographic ratios of haploid gametophyte to diploid sporophyte abundance in macroalgal populations.","description":"Macroalgal populations often consist of free-living haploid (gametophyte) and diploid (sporophyte) stages. Various ecological studies have been conducted to examine the demographic diversity of haploid-diploid populations with regard to the dominant stage. Here, I relaxed the assumption of classical research that the life history parameters of haploids and diploids are identical and developed a generalized haploid-diploid model that explicitly accounts for population density dependence and asexual reproduction. Analysis of this model yielded an exact solution for the abundance ratio of haploids to diploids in a population in which the ratio is determined by the balance of four demographic forces: sexual reproduction by haploids, sexual reproduction by diploids, asexual reproduction by haploids, and asexual reproduction by diploids. Furthermore, the persistence of a haploid-diploid population and its total biomass are shown to be determined by the basic reproductive number (R0), which is shown to be a function of these four demographic forces. When R0 is greater than one, the haploid-diploid population stably persists, and the ploidy ratio obtained by the analytical solution is realized.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024","modification":"2026-06-12T10:09:52.9Z","creation":"2025-04-04T12:35:34.914Z"},"accession":"S-EPMC10919683","cross_references":{"pubmed":["38451989"],"doi":["10.1371/journal.pone.0295409"]}}