{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,12]],"date-time":"2025-09-12T19:11:55Z","timestamp":1757704315738},"reference-count":0,"publisher":"Cambridge University Press (CUP)","issue":"4","license":[{"start":{"date-parts":[[2002,8,1]],"date-time":"2002-08-01T00:00:00Z","timestamp":1028160000000},"content-version":"unspecified","delay-in-days":122,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasitology"],"published-print":{"date-parts":[[2002,4]]},"abstract":"<jats:p>Numerous hypotheses have been postulated to explain the rapidly changing parasitological situation in Loum, Cameroon as a result of the interaction between <jats:italic>Schistosoma haematobium<\/jats:italic> and <jats:italic>S. intercalatum<\/jats:italic>. The aim of this study is to test the various hypotheses using a simple mathematical model, incorporating equal and unequal sex ratios of adult schistosomes, recombinations, and levels of compatibility with the intermediate molluscan hosts, <jats:italic>B. forskalii<\/jats:italic> and <jats:italic>B. truncatus<\/jats:italic>. The model assuming an equal sex ratio does not fit with the existing field data in that it predicts a continued presence of <jats:italic>S. intercalatum, S. haematobium<\/jats:italic> and the hybrids. The model assuming a sex bias in favour of males, which reflects the situation usually observed in schistosome populations, predicts the loss <jats:italic>S. intercalatum <\/jats:italic>which indeed concurs with the most recent data.<\/jats:p>","DOI":"10.1017\/s0031182001001342","type":"journal-article","created":{"date-parts":[[2002,10,30]],"date-time":"2002-10-30T11:01:04Z","timestamp":1035975664000},"page":"401-408","source":"Crossref","is-referenced-by-count":15,"title":["A model to explain the replacement of <i>Schistosoma intercalatum<\/i> by <i>Schistosoma haematobium<\/i> and the hybrid <i>S. intercalatum<\/i>\u00d7<i>S. haematobium<\/i> in areas of sympatry"],"prefix":"10.1017","volume":"124","author":[{"given":"S.","family":"MORAND","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"V.\u00a0R.","family":"SOUTHGATE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"JOURDANE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2002,8,1]]},"container-title":["Parasitology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0031182001001342","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,5]],"date-time":"2019-04-05T17:41:33Z","timestamp":1554486093000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0031182001001342\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,4]]},"references-count":0,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2002,4]]}},"alternative-id":["S0031182001001342"],"URL":"https:\/\/doi.org\/10.1017\/s0031182001001342","relation":{},"ISSN":["0031-1820","1469-8161"],"issn-type":[{"value":"0031-1820","type":"print"},{"value":"1469-8161","type":"electronic"}],"subject":[],"published":{"date-parts":[[2002,4]]}}}