. >> so when it comes to managing the efcts that elephants have onarge treesthere's been a ndset shiffromontrling ephant nbers theelves as was priously tught to tigatinghe effec that th tually he on therees. so you uld apprch this a large sce where u could y and mage elepht distrition down ta smallescale of actuly managg the lae trs themsees, protting the large trees themselves. >> with e beehives, the zoologists are hoping to control the ephants' mements, by keeping them moving. if the animalstay in onplace too long, th can inflict extensive damage. but above all, the conservationists say bees are the perfect way of keeping elephants away from individual jects of pticular importancelike trees that have birds nesting in them. >> we have got bark stripping here by elephants and what the bark stripping does is that it leaves the trees slightly vulnerable to other infestations. so we have got wood brow activi which hav co over herebut it canlso allow termites to get in and it can allow the tree to be vulnerable to res. so the sortf trees start to get een up from the inside and it's because t