AN ENVIRONMENTAL crisis is the fallout from two decades of failed horse control sparked by the controversial Guy Fawkes River National Park feral horse cull 20 years ago, a lobby body claims.
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"The field evidence is in and the blanket ban on aerial culling in NSW has been a disaster for our National Parks as horse populations in parks are without effective control," Invasive Species Council CEO Andrew Cox said.
"Horse numbers have exploded and native wildlife are slowly being replaced by a single species - the common horse.
"On the 20th anniversary of the Guy Fawkes incident it is time we learnt from the past and came up with more effective ways of controlling feral horses in remote and inaccessible National Parks.
"If you are not going to effectively control feral horses in National Parks you are better off handing the land back to the graziers."
Mr Cox said the feral horse reproduction rate can be as high as 20 per cent a year and has meant the fall-back method of trapping and removing the animals has failed to keep pace with the increase in numbers.
"Kosciuszko National Park now has 20,000 horses and, in some open plains, scenes resemble an equine Jurassic Park - herds of feral horses visible in all directions," Mr Cox said.
"After the 2000 cull Guy Fawkes River National Park had less than 100 horses and yet despite a trap and removal program it is now home to about 1800 horses and rising."
Over three days in October 2000, three professional shooters culled 606 feral horses in the Guy Fawkes River National Park that Mr Cox said were stripping the park of remaining vegetation after a long drought and a severe bushfire.
When one horse was found alive days later, it triggered an independent inquiry, five reports and changed the way feral pest management was conducted in NSW with a blanket ban on aerial culling.
Despite the inquiry recommending aerial shooting be 'retained' as a method of control and that shooting protocols be improved, the aerial cull ban remains today.
"The ban on aerial culling has been an abysmal failure for the some 11 NSW National Parks with feral horse populations. In almost all parks there has been an exponential growth in feral horse numbers and escalating damage," Mr Cox said.
"It's time to reflect on the anniversary of the Guy Fawkes incident and accept the reality of what it has meant for the NSW National Parks system.
"Aerial shooting as a pest control option for large herbivores such as horses and camels is routinely carried out elsewhere in Australia under strict protocols and has cautious RSPCA endorsement.
"In some circumstances ground and aerial shooting is the only feasible and humane tool to curb the exponential growth in feral horse numbers and save and hopefully help restore what remains of what were unique environments and refuges for diminishing native animals and plants."
