Silvopastoril model of natural regeneration with forest species, promotor of environmental services in the north zone of the State Táchira, Venezuela

摘要

Theobjectivewastodevelopanagroforestrymodelwithaforestspeciesofnaturalregeneration,thatprovidesenvironmentalservicesandimprovesthewell-beingoftheanimalsinaproductionunit.AcasestudywasmadeinafarmlocatedintheNorthzoneofthestateofT#225;chira-Venezuela.Forthedesignofthemodel,aselectionwasmadeof25%ofthepasturesdedicatedtomilkproductionwithbuffalos(Bubalusbubalis).Thepasturesdisplayedhomogenouscharacteristicsinrelationtothevegetationpresent,watersurfaces,typeofgrass(Urochloadecumbens),andmanagementoftheanimals(rotation).ThevegetativespecieswithDAP10cmwereselected.Thespecieswithcharacteristicsofnaturalregenerationwereidentifiedandclassifiedasmodelparenttrees.Thedispersionofsaplingsofnaturalregenerationwasobserved.Themodelcontemplatesthreestages:a)Evaluationofthedispersion.b).Selectionandrelocationoftreesandc)Simulationofthegrowthofthespecies.ThespecieTabebuiaserratifoliawasfoundtohavegreatestpotentialofdispersionineachplot.Theheightandhealthstateofselectedtreeswereevaluatedduring5months.Thegrowth(height)ofthetreesforatimeperiodof10yearsprojectedandthebehavioroftheenvironmentalvariableswassimulated,basedonenvironmentalservicesintermsoftheresourcesofwater,soilandbiodiversity.Themodelallowstheincorporationofenvironmentalandsocialservicesforthepersonnelwhoworkintheproductionunit.