id	keyword
biotropia-2480	nitrate
biotropia-2480	chlorophyll
biotropia-2480	platensis
biotropia-2480	arthrospira
biotropia-2480	biomass
biotropia-2480	gomont
biotropia-2480	calcium
biotropia-2480	salinity
biotropia-2480	growth
biotropia-2480	productivity
biotropia-2480	ppt
biotropia-2480	et al
biotropia-2480	groups