id	keyword
csp-490	nature
csp-490	fishing
csp-490	human
csp-490	network
csp-490	murmansk
csp-490	understanding
csp-490	fishermen
csp-490	life
csp-490	region
csp-490	order
csp-490	person
csp-490	species
csp-490	sergeev
csp-490	emphasis
csp-490	catch