id	keyword
biotropia-534	ips
biotropia-534	rubber
biotropia-534	species
biotropia-534	systems
biotropia-534	oil
biotropia-534	forest
biotropia-534	use
biotropia-534	land
biotropia-534	palm
biotropia-534	jungle
biotropia-534	plant
biotropia-534	plantation
biotropia-534	distribution