id	sid	tid	token	lemma	pos
41687h1673b	1	1	the	the	DET
41687h1673b	1	2	introduction	introduction	NOUN
41687h1673b	1	3	of	of	ADP
41687h1673b	1	4	nonindigenous	nonindigenous	ADJ
41687h1673b	1	5	species	specie	NOUN
41687h1673b	1	6	is	be	AUX
41687h1673b	1	7	an	an	DET
41687h1673b	1	8	increasing	increase	VERB
41687h1673b	1	9	threat	threat	NOUN
41687h1673b	1	10	to	to	ADP
41687h1673b	1	11	global	global	ADJ
41687h1673b	1	12	biodiversity	biodiversity	NOUN
41687h1673b	1	13	and	and	CCONJ
41687h1673b	1	14	ecosystem	ecosystem	NOUN
41687h1673b	1	15	function	function	NOUN
41687h1673b	1	16	.	.	PUNCT
41687h1673b	2	1	the	the	DET
41687h1673b	2	2	success	success	NOUN
41687h1673b	2	3	of	of	ADP
41687h1673b	2	4	management	management	NOUN
41687h1673b	2	5	efforts	effort	NOUN
41687h1673b	2	6	often	often	ADV
41687h1673b	2	7	relies	rely	VERB
41687h1673b	2	8	on	on	ADP
41687h1673b	2	9	the	the	DET
41687h1673b	2	10	study	study	NOUN
41687h1673b	2	11	of	of	ADP
41687h1673b	2	12	the	the	DET
41687h1673b	2	13	dynamics	dynamic	NOUN
41687h1673b	2	14	and	and	CCONJ
41687h1673b	2	15	impacts	impact	NOUN
41687h1673b	2	16	of	of	ADP
41687h1673b	2	17	previous	previous	ADJ
41687h1673b	2	18	invasions	invasion	NOUN
41687h1673b	2	19	.	.	PUNCT
41687h1673b	3	1	small	small	ADJ
41687h1673b	3	2	-	-	PUNCT
41687h1673b	3	3	scale	scale	NOUN
41687h1673b	3	4	experiments	experiment	NOUN
41687h1673b	3	5	of	of	ADP
41687h1673b	3	6	nonindigenous	nonindigenous	ADJ
41687h1673b	3	7	species	specie	NOUN
41687h1673b	3	8	provide	provide	VERB
41687h1673b	3	9	valuable	valuable	ADJ
41687h1673b	3	10	and	and	CCONJ
41687h1673b	3	11	timely	timely	ADJ
41687h1673b	3	12	information	information	NOUN
41687h1673b	3	13	,	,	PUNCT
41687h1673b	3	14	but	but	CCONJ
41687h1673b	3	15	are	be	AUX
41687h1673b	3	16	limited	limit	VERB
41687h1673b	3	17	in	in	ADP
41687h1673b	3	18	their	their	PRON
41687h1673b	3	19	ability	ability	NOUN
41687h1673b	3	20	to	to	PART
41687h1673b	3	21	assess	assess	VERB
41687h1673b	3	22	adequately	adequately	ADV
41687h1673b	3	23	the	the	DET
41687h1673b	3	24	potential	potential	ADJ
41687h1673b	3	25	long	long	ADJ
41687h1673b	3	26	-	-	PUNCT
41687h1673b	3	27	term	term	NOUN
41687h1673b	3	28	effects	effect	NOUN
41687h1673b	3	29	of	of	ADP
41687h1673b	3	30	invasion	invasion	NOUN
41687h1673b	3	31	at	at	ADP
41687h1673b	3	32	the	the	DET
41687h1673b	3	33	whole	whole	ADJ
41687h1673b	3	34	-	-	PUNCT
41687h1673b	3	35	ecosystem	ecosystem	NOUN
41687h1673b	3	36	level	level	NOUN
41687h1673b	3	37	.	.	PUNCT
41687h1673b	4	1	here	here	ADV
41687h1673b	4	2	,	,	PUNCT
41687h1673b	4	3	i	i	PRON
41687h1673b	4	4	build	build	VERB
41687h1673b	4	5	on	on	ADP
41687h1673b	4	6	previous	previous	ADJ
41687h1673b	4	7	smaller	small	ADJ
41687h1673b	4	8	scale	scale	NOUN
41687h1673b	4	9	studies	study	NOUN
41687h1673b	4	10	of	of	ADP
41687h1673b	4	11	the	the	DET
41687h1673b	4	12	impacts	impact	NOUN
41687h1673b	4	13	of	of	ADP
41687h1673b	4	14	the	the	DET
41687h1673b	4	15	invasive	invasive	ADJ
41687h1673b	4	16	rusty	rusty	ADJ
41687h1673b	4	17	crayfish	crayfish	NOUN
41687h1673b	4	18	orconectes	orconecte	NOUN
41687h1673b	4	19	rusticus	rusticus	ADJ
41687h1673b	4	20	in	in	ADP
41687h1673b	4	21	order	order	NOUN
41687h1673b	4	22	to	to	PART
41687h1673b	4	23	assess	assess	VERB
41687h1673b	4	24	the	the	DET
41687h1673b	4	25	impacts	impact	NOUN
41687h1673b	4	26	and	and	CCONJ
41687h1673b	4	27	dynamics	dynamic	NOUN
41687h1673b	4	28	of	of	ADP
41687h1673b	4	29	the	the	DET
41687h1673b	4	30	invasion	invasion	NOUN
41687h1673b	4	31	at	at	ADP
41687h1673b	4	32	longer	long	ADJ
41687h1673b	4	33	temporal	temporal	ADJ
41687h1673b	4	34	scales	scale	NOUN
41687h1673b	4	35	,	,	PUNCT
41687h1673b	4	36	larger	large	ADJ
41687h1673b	4	37	spatial	spatial	ADJ
41687h1673b	4	38	scales	scale	NOUN
41687h1673b	4	39	,	,	PUNCT
41687h1673b	4	40	and	and	CCONJ
41687h1673b	4	41	more	more	ADJ
41687h1673b	4	42	complex	complex	ADJ
41687h1673b	4	43	levels	level	NOUN
41687h1673b	4	44	of	of	ADP
41687h1673b	4	45	ecological	ecological	ADJ
41687h1673b	4	46	organization	organization	NOUN
41687h1673b	4	47	.	.	PUNCT
41687h1673b	5	1	using	use	VERB
41687h1673b	5	2	data	datum	NOUN
41687h1673b	5	3	from	from	ADP
41687h1673b	5	4	long	long	ADJ
41687h1673b	5	5	-	-	PUNCT
41687h1673b	5	6	term	term	NOUN
41687h1673b	5	7	monitoring	monitoring	NOUN
41687h1673b	5	8	,	,	PUNCT
41687h1673b	5	9	i	i	PRON
41687h1673b	5	10	evaluated	evaluate	VERB
41687h1673b	5	11	trends	trend	NOUN
41687h1673b	5	12	in	in	ADP
41687h1673b	5	13	the	the	DET
41687h1673b	5	14	crayfish	crayfish	ADJ
41687h1673b	5	15	community	community	NOUN
41687h1673b	5	16	over	over	ADP
41687h1673b	5	17	three	three	NUM
41687h1673b	5	18	decades	decade	NOUN
41687h1673b	5	19	in	in	ADP
41687h1673b	5	20	lakes	lake	NOUN
41687h1673b	5	21	invaded	invade	VERB
41687h1673b	5	22	by	by	ADP
41687h1673b	5	23	o.	o.	PROPN
41687h1673b	5	24	rusticus	rusticus	PROPN
41687h1673b	5	25	.	.	PUNCT
41687h1673b	6	1	results	result	NOUN
41687h1673b	6	2	showed	show	VERB
41687h1673b	6	3	that	that	SCONJ
41687h1673b	6	4	an	an	DET
41687h1673b	6	5	earlier	early	ADJ
41687h1673b	6	6	congeneric	congeneric	ADJ
41687h1673b	6	7	invader	invader	NOUN
41687h1673b	6	8	,	,	PUNCT
41687h1673b	6	9	o.	o.	PROPN
41687h1673b	6	10	propinquus	propinquus	PROPN
41687h1673b	6	11	is	be	AUX
41687h1673b	6	12	extirpated	extirpate	VERB
41687h1673b	6	13	,	,	PUNCT
41687h1673b	6	14	while	while	SCONJ
41687h1673b	6	15	the	the	DET
41687h1673b	6	16	native	native	ADJ
41687h1673b	6	17	o.	o.	NOUN
41687h1673b	6	18	virilis	virili	NOUN
41687h1673b	6	19	tends	tend	VERB
41687h1673b	6	20	to	to	PART
41687h1673b	6	21	coexist	coexist	VERB
41687h1673b	6	22	by	by	ADP
41687h1673b	6	23	using	use	VERB
41687h1673b	6	24	a	a	DET
41687h1673b	6	25	habitat	habitat	NOUN
41687h1673b	6	26	refuge	refuge	NOUN
41687h1673b	6	27	.	.	PUNCT
41687h1673b	7	1	patterns	pattern	NOUN
41687h1673b	7	2	of	of	ADP
41687h1673b	7	3	o.	o.	PROPN
41687h1673b	7	4	rusticus	rusticus	PROPN
41687h1673b	7	5	abundance	abundance	PROPN
41687h1673b	7	6	were	be	AUX
41687h1673b	7	7	more	more	ADV
41687h1673b	7	8	variable	variable	ADJ
41687h1673b	7	9	than	than	SCONJ
41687h1673b	7	10	previously	previously	ADV
41687h1673b	7	11	believed	believe	VERB
41687h1673b	7	12	.	.	PUNCT
41687h1673b	8	1	most	most	ADJ
41687h1673b	8	2	lakes	lake	NOUN
41687h1673b	8	3	sustained	sustain	VERB
41687h1673b	8	4	high	high	ADJ
41687h1673b	8	5	o.	o.	NOUN
41687h1673b	8	6	rusticus	rusticus	ADJ
41687h1673b	8	7	abundance	abundance	NOUN
41687h1673b	8	8	through	through	ADP
41687h1673b	8	9	time	time	NOUN
41687h1673b	8	10	,	,	PUNCT
41687h1673b	8	11	while	while	SCONJ
41687h1673b	8	12	a	a	DET
41687h1673b	8	13	few	few	ADJ
41687h1673b	8	14	exhibited	exhibit	VERB
41687h1673b	8	15	a	a	DET
41687h1673b	8	16	pattern	pattern	NOUN
41687h1673b	8	17	of	of	ADP
41687h1673b	8	18	boom	boom	NOUN
41687h1673b	8	19	-	-	PUNCT
41687h1673b	8	20	and	and	CCONJ
41687h1673b	8	21	-	-	PUNCT
41687h1673b	8	22	bust	bust	NOUN
41687h1673b	8	23	.	.	PUNCT
41687h1673b	9	1	long	long	ADJ
41687h1673b	9	2	-	-	PUNCT
41687h1673b	9	3	term	term	NOUN
41687h1673b	9	4	o.	o.	NOUN
41687h1673b	9	5	rusticus	rusticus	PROPN
41687h1673b	9	6	abundance	abundance	NOUN
41687h1673b	9	7	appeared	appear	VERB
41687h1673b	9	8	to	to	PART
41687h1673b	9	9	be	be	AUX
41687h1673b	9	10	related	relate	VERB
41687h1673b	9	11	to	to	ADP
41687h1673b	9	12	risk	risk	NOUN
41687h1673b	9	13	of	of	ADP
41687h1673b	9	14	fish	fish	NOUN
41687h1673b	9	15	predation	predation	NOUN
41687h1673b	9	16	,	,	PUNCT
41687h1673b	9	17	variation	variation	NOUN
41687h1673b	9	18	in	in	ADP
41687h1673b	9	19	lake	lake	NOUN
41687h1673b	9	20	benthic	benthic	ADJ
41687h1673b	9	21	substrate	substrate	NOUN
41687h1673b	9	22	,	,	PUNCT
41687h1673b	9	23	and	and	CCONJ
41687h1673b	9	24	crayfish	crayfish	ADJ
41687h1673b	9	25	resource	resource	NOUN
41687h1673b	9	26	limitation	limitation	NOUN
41687h1673b	9	27	.	.	PUNCT
41687h1673b	10	1	a	a	DET
41687h1673b	10	2	long	long	ADJ
41687h1673b	10	3	-	-	PUNCT
41687h1673b	10	4	term	term	NOUN
41687h1673b	10	5	,	,	PUNCT
41687h1673b	10	6	whole	whole	ADJ
41687h1673b	10	7	-	-	PUNCT
41687h1673b	10	8	lake	lake	NOUN
41687h1673b	10	9	survey	survey	NOUN
41687h1673b	10	10	of	of	ADP
41687h1673b	10	11	snail	snail	NOUN
41687h1673b	10	12	and	and	CCONJ
41687h1673b	10	13	crayfish	crayfish	ADJ
41687h1673b	10	14	abundance	abundance	NOUN
41687h1673b	10	15	showed	show	VERB
41687h1673b	10	16	that	that	SCONJ
41687h1673b	10	17	the	the	DET
41687h1673b	10	18	magnitude	magnitude	NOUN
41687h1673b	10	19	of	of	ADP
41687h1673b	10	20	impact	impact	NOUN
41687h1673b	10	21	by	by	ADP
41687h1673b	10	22	o.	o.	PROPN
41687h1673b	10	23	rusticus	rusticus	PROPN
41687h1673b	10	24	can	can	AUX
41687h1673b	10	25	be	be	AUX
41687h1673b	10	26	great	great	ADJ
41687h1673b	10	27	,	,	PUNCT
41687h1673b	10	28	differs	differ	VERB
41687h1673b	10	29	across	across	ADP
41687h1673b	10	30	habitats	habitat	NOUN
41687h1673b	10	31	,	,	PUNCT
41687h1673b	10	32	and	and	CCONJ
41687h1673b	10	33	that	that	SCONJ
41687h1673b	10	34	the	the	DET
41687h1673b	10	35	full	full	ADJ
41687h1673b	10	36	extent	extent	NOUN
41687h1673b	10	37	of	of	ADP
41687h1673b	10	38	impact	impact	NOUN
41687h1673b	10	39	on	on	ADP
41687h1673b	10	40	congeners	congener	NOUN
41687h1673b	10	41	and	and	CCONJ
41687h1673b	10	42	prey	prey	NOUN
41687h1673b	10	43	may	may	AUX
41687h1673b	10	44	not	not	PART
41687h1673b	10	45	be	be	AUX
41687h1673b	10	46	evident	evident	ADJ
41687h1673b	10	47	until	until	ADP
41687h1673b	10	48	many	many	ADJ
41687h1673b	10	49	years	year	NOUN
41687h1673b	10	50	after	after	ADP
41687h1673b	10	51	initial	initial	ADJ
41687h1673b	10	52	colonization	colonization	NOUN
41687h1673b	10	53	.	.	PUNCT
41687h1673b	11	1	analysis	analysis	NOUN
41687h1673b	11	2	of	of	ADP
41687h1673b	11	3	snail	snail	NOUN
41687h1673b	11	4	gut	gut	NOUN
41687h1673b	11	5	contents	content	NOUN
41687h1673b	11	6	and	and	CCONJ
41687h1673b	11	7	a	a	DET
41687h1673b	11	8	set	set	NOUN
41687h1673b	11	9	of	of	ADP
41687h1673b	11	10	laboratory	laboratory	NOUN
41687h1673b	11	11	feeding	feeding	NOUN
41687h1673b	11	12	experiments	experiment	NOUN
41687h1673b	11	13	demonstrate	demonstrate	VERB
41687h1673b	11	14	that	that	SCONJ
41687h1673b	11	15	snails	snail	NOUN
41687h1673b	11	16	do	do	AUX
41687h1673b	11	17	not	not	PART
41687h1673b	11	18	consume	consume	VERB
41687h1673b	11	19	macrophytes	macrophyte	NOUN
41687h1673b	11	20	,	,	PUNCT
41687h1673b	11	21	indicating	indicate	VERB
41687h1673b	11	22	that	that	SCONJ
41687h1673b	11	23	the	the	DET
41687h1673b	11	24	primary	primary	ADJ
41687h1673b	11	25	effect	effect	NOUN
41687h1673b	11	26	of	of	ADP
41687h1673b	11	27	o.	o.	PROPN
41687h1673b	11	28	rusticus	rusticus	PROPN
41687h1673b	11	29	predation	predation	NOUN
41687h1673b	11	30	on	on	ADP
41687h1673b	11	31	snails	snail	NOUN
41687h1673b	11	32	is	be	AUX
41687h1673b	11	33	reduced	reduce	VERB
41687h1673b	11	34	grazing	grazing	NOUN
41687h1673b	11	35	efficiency	efficiency	NOUN
41687h1673b	11	36	on	on	ADP
41687h1673b	11	37	periphyton	periphyton	PROPN
41687h1673b	11	38	.	.	PUNCT
41687h1673b	12	1	samples	sample	NOUN
41687h1673b	12	2	from	from	ADP
41687h1673b	12	3	two	two	NUM
41687h1673b	12	4	lakes	lake	NOUN
41687h1673b	12	5	that	that	PRON
41687h1673b	12	6	experienced	experience	VERB
41687h1673b	12	7	large	large	ADJ
41687h1673b	12	8	declines	decline	NOUN
41687h1673b	12	9	in	in	ADP
41687h1673b	12	10	o.	o.	PROPN
41687h1673b	12	11	rusticus	rusticus	PROPN
41687h1673b	12	12	abundance	abundance	PROPN
41687h1673b	12	13	indicated	indicate	VERB
41687h1673b	12	14	little	little	ADJ
41687h1673b	12	15	ecosystem	ecosystem	NOUN
41687h1673b	12	16	recovery	recovery	NOUN
41687h1673b	12	17	.	.	PUNCT
41687h1673b	13	1	comparison	comparison	NOUN
41687h1673b	13	2	of	of	ADP
41687h1673b	13	3	food	food	NOUN
41687h1673b	13	4	webs	webs	NOUN
41687h1673b	13	5	in	in	ADP
41687h1673b	13	6	invaded	invaded	ADJ
41687h1673b	13	7	and	and	CCONJ
41687h1673b	13	8	uninvaded	uninvaded	ADJ
41687h1673b	13	9	lakes	lake	NOUN
41687h1673b	13	10	using	use	VERB
41687h1673b	13	11	stable	stable	ADJ
41687h1673b	13	12	isotopes	isotope	NOUN
41687h1673b	13	13	provided	provide	VERB
41687h1673b	13	14	evidence	evidence	NOUN
41687h1673b	13	15	that	that	SCONJ
41687h1673b	13	16	o.	o.	PROPN
41687h1673b	13	17	rusticus	rusticus	PROPN
41687h1673b	13	18	decoupled	decouple	VERB
41687h1673b	13	19	littoral	littoral	ADJ
41687h1673b	13	20	and	and	CCONJ
41687h1673b	13	21	pelagic	pelagic	ADJ
41687h1673b	13	22	food	food	NOUN
41687h1673b	13	23	webs	webs	NOUN
41687h1673b	13	24	.	.	PUNCT
41687h1673b	14	1	the	the	DET
41687h1673b	14	2	combined	combine	VERB
41687h1673b	14	3	effect	effect	NOUN
41687h1673b	14	4	of	of	ADP
41687h1673b	14	5	reduced	reduce	VERB
41687h1673b	14	6	grazing	grazing	NOUN
41687h1673b	14	7	efficiency	efficiency	NOUN
41687h1673b	14	8	and	and	CCONJ
41687h1673b	14	9	food	food	NOUN
41687h1673b	14	10	web	web	NOUN
41687h1673b	14	11	decoupling	decoupling	NOUN
41687h1673b	14	12	is	be	AUX
41687h1673b	14	13	likely	likely	ADJ
41687h1673b	14	14	to	to	PART
41687h1673b	14	15	be	be	AUX
41687h1673b	14	16	reduced	reduce	VERB
41687h1673b	14	17	flow	flow	NOUN
41687h1673b	14	18	of	of	ADP
41687h1673b	14	19	energy	energy	NOUN
41687h1673b	14	20	to	to	ADP
41687h1673b	14	21	the	the	DET
41687h1673b	14	22	top	top	NOUN
41687h1673b	14	23	of	of	ADP
41687h1673b	14	24	the	the	DET
41687h1673b	14	25	lake	lake	PROPN
41687h1673b	14	26	food	food	PROPN
41687h1673b	14	27	web	web	PROPN
41687h1673b	14	28	.	.	PUNCT