🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийفارسی中文日本語EntityQ1161184· pop 11· linked from 106 articlesDaniel H. JanzenAmerican biologistPerson · Open LibraryBorn1939-01-18Works15Top worksTropical agroecosystemsInteraction of the Bull's Horn acacia (Acacia cornigera L.)Guanacaste National ParkDesigning Conservation ProjectsPollinatn Tropical Plantsvia Open Library + WikidataMusic · MusicBrainzTypePersonCountryGBActive from1659-09-10Active to1695-11-21via MusicBrainz · CC0Key datesBorn18 January 1939via Wikidata · CC0Wikidata factsConnectionsArea de Conservación Guanacaste World Heritage SiteEntityrestoration ecologyEntityCategories1939 births21st-century American biologistsAlbert Einstein World Award of Science LaureatesAmerican ecologistsAmerican MennonitesKyoto laureates in Basic SciencesLiving peopleMacArthur FellowsMembers of the United States National Academy of SciencesUnited States Fish and Wildlife Service personnelUniversity of Michigan facultyUniversity of Minnesota College of Biological Sciences alumni