?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F484%2F&rft.title=Modelling+of+selection+and+mating+decisions+in+tree+breeding+programs&rft.creator=Howlett%2C+P.&rft.creator=Thompson%2C+C.&rft.subject=Environment&rft.subject=Discrete&rft.description=Hardwood+trees+from+the+temperate+forests+of+southern+Australia+are+an+important+source+of+timber+for+high+quality+paper.+Two+species+in+particular%2C+Eucalyptus+globulus+and+Eucalyptus+nitens+are+well+suited+to+this+purpose+and+are+now+widely+grown+in+commercial+plantations.+These+plantations+have+been+established+by+professional+tree+breeders+using+seedlings+derived+originally+from+broadly+based+collection+of+seed+in+natural+forests.+To+increase+productivity+it+is+desirable+to+select+trees+that+grow+quickly+and+give+high+yields+of+top+quality+timber.+Nevertheless+it+is+important+to+maintain+genetic+diversity+in+the+breeding+population+and+thereby+retain+a+robust+capacity+to+adapt+to+changing+environmental+factors.+In+this+article+we+formulate+a+number+of+related+mathematical+models+for+the+selection+and+mating+processes+and+discuss+the+consequences+of+these+models.+We+recommend+a+relatively+simple+scheme+which+can+be+implemented+on+an+IBM+compatible+PC+using+standard+algorithms.&rft.date=1996&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F484%2F1%2FModelling-of-selection-and-mating-decision-in-tree-bredding-programs.pdf&rft.identifier=++Howlett%2C+P.+and+Thompson%2C+C.++(1996)+Modelling+of+selection+and+mating+decisions+in+tree+breeding+programs.++%5BStudy+Group+Report%5D+++++