Aquatic Biosystems

Table 2 Detritus-based assemblages in the six pools studied, ordered by increasing salinity

From: Detritus-based assemblage responses under salinity stress conditions in a disused aquatic artificial ecosystem

POOL	P5		P1		P2		P3		P4		P6
Taxon	FrN	FrB	FrN	FrB	FrN	FrB	FrN	FrB	FrN	FrB	FrN	FrB
Chironomus sp. (larvae)	0.167	0.014	0.239	0.014	0.536	0.371	0.757	0.180	0.928	0.586	0.994	0.980
Gammarus aequicauda	0	0	0.268	0.023	0.034	0.008	0	0	0	0	0	0
Perinereis culltrifera	0	0	0.058	0.062	0.003	0.010	0	0	0	0	0	0
Nereis diversicolor	0	0	0.262	0.490	0.034	0.175	0	0	0	0	0	0
Hydrobia acuta (complex)	0	0	0.087	0.072	0.140	0.312	0.216	0.728	0.003	0.028	0	0
Cerastoderma glaucum	0	0	0.003	0.013	0.003	0.042	0.004	0.070	0.005	0.225	0	0
(other) Coleoptera (larvae)	0.014	0.002	0.026	0.002	0	0	0	0	0	0	0	0
Cerithium vulgatum	0	0	0.052	0.324	0	0	0	0	0	0	0	0
Gordiidae	0	0	0.003	0	0	0	0	0	0	0	0	0
Spio decorates	0	0	0	0	0.007	0.004	0	0	0	0	0	0
(other) Diptera (larvae)	0.007	0.001	0	0	0.003	0.001	0	0	0	0	0	0
Monocorophium insidiosum	0	0	0	0	0.225	0.063	0	0	0	0	0	0
Idotea balthica	0	0	0	0	0.014	0.012	0	0	0	0	0	0
Haliplus sp.	0.530	0.182	0	0	0	0	0.023	0.022	0.064	0.162	0.004	0.015
Micronecta sp	0.035	0.008	0	0	0	0	0	0	0	0	0	0
Anisoptera (nymphae)	0.220	0.705	0	0	0	0	0	0	0	0	0	0
Acilius sp (larvae)	0.021	0.086	0	0	0	0	0	0	0	0	0	0
Hydrophilus sp	0.007	0.002	0	0	0	0	0	0	0	0	0.002	0.005
Taxonomic units	8		9		10		4		4		3
Abundance (total N ind)	287		343		293		518		643		519
Biomass (grams, AFDW)		2.679		4.727		1.483		1.739		0.815		0.421

Abundance frequency (frN) and biomass frequency (frB) for each taxon, number of taxonomic units, total number of macrozoobenthic individuals (N) and total macrozoobenthic biomass (B) are reported.

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