Comparing biodiversity effects among ecosystem engineers of contrasting strength: macrofauna diversity in Zostera noltii and Spartina anglica vegetations

Bouma, Tjeerd J.; Ortells, Victor; Ysebaert, Tom

doi:10.1007/s10152-008-0133-8

Table 1 Mean densities and biomass of macrofauna in the four habitats

From: Comparing biodiversity effects among ecosystem engineers of contrasting strength: macrofauna diversity in Zostera noltii and Spartina anglica vegetations

Species	Feed		Mud flat		Zostera meadow		Spartina patch		Spartina marsh
Species	Feed		Abundance ind m⁻²	Biomass g AFDW m⁻²	Abundance ind m⁻²	Biomass g AFDW m⁻²	Abundance ind m⁻²	Biomass g AFDW m⁻²	Abundance ind m⁻²	Biomass g AFDW m⁻²
Annelida, Polychaeta
Anaitides mucosa	P	Endo	0	0	21 ± 15	0.017 ± 0.013	7.0 ± 7.0	0.009 ± 0.009	0	0
Arenicola marina	SSDF	Endo	112 ± 19.1	5.1 ± 1.5	77 ± 21	0.934 ± 0.384	42 ± 14	2.792 ± 1.455	0	0
Boccardiella ligerica	?	Endo	0	0	0	0	7.0 ± 7.0	0.009 ± 0.009	0	0
Capitella capitata	SSDF	Endo	154 ± 38.2	0.03 ± 0.011	28 ± 38	0.002 ± 0.001	49 ± 23	0.011 ± 0.008	0	0
Eteone sp.	P	Endo	49 ± 17.4	0.048 ± 0.022	98 ± 17	0.068 ± 0.016	0	0	0	0
Glycera tridactyla	P	Endo	0	0	0	0	7.0 ± 7.0	0.051 ± 0.051	0	0
Heteromastus filiformis	SSDF	Endo	1,978 ± 261.4	2.7 ± 0.3	2,974 ± 243	3.152 ± 0.305	2,939 ± 637	4.271 ± 0.681	330 ± 70	0.192 ± 0.079
Malacoceros sp.	SDF	Endo	246 ± 104.1	0.015 ± 0.007	252 ± 145	0.018 ± 0.010	112 ± 33	0.015 ± 0.005	0	0
Micropthalmus sp.	SDF	Endo	0	0	0	0	14 ± 7	0	0	0
Micropthalmus sczelkowii	SDF	Endo	0	0	0	0	0	0	7.0 ± 7.0	0
Nephtys Caeca	O	Endo	7.0 ± 7.0	0.034 ± 0.034	0	0	0	0	0	0
Nephtys hombergii	P	Endo	14 ± 9.6	0.063 ± 0.044	7.0 ± 7.0	0.244 ± 0.244	0	0	0	0
Nereis sp.	O	Endo	28 ± 12.4	0.026 ± 0.021	0	0.000	0	0	0	0
Nereis diversicolor	O	Endo	14 ± 9.6	0.004 ± 0.003	7.0 ± 7.0	0.000	28 ± 12	0.052 ± 0.051	28 ± 12	0.008 ± 0.007
Polydora ligni	SF	Endo	7.0 ± 7.0	0.006 ± 0.006	119 ± 64	0.010 ± 0.006	0	0	0	0
Pygospio elegans	SDF	Endo	1,585 ± 530.4	0.619 ± 0.526	2,062 ± 535	0.153 ± 0.023	196 ± 72	0.019 ± 0.008	0	0
Scololepis foliosa	P	Endo	7.0 ± 7.0	0.311 ± 0.311	0	0	0	0	0	0
Streblospio shrubsolii	SDF	Endo	70 ± 35.1	0.003 ± 0.002	63 ± 41	0.003 ± 0.002	35 ± 20	0.002 ± 0.001	0	0
Tharyx marioni	SDF	Endo	182 ± 58.5	0.007 ± 0.002	989 ± 25	0.102 ± 0.026	84 ± 31	0.006 ± 0.002	0	0
Polychaeta unident	?	Endo	0	0	0	0	0	0	7.0	0.001 ± 0.001
Annelida, Oligochaeta
Oligochaeta	SSDF	Endo	2,841 ± 745.9	0.401 ± 0.093	2,273 ± 770	0.402 ± 0.106	9,688 ± 1,967	1.8 ± 0.5	4,441 ± 921	0.53 ± 0.12
Chaetognatha
Chaetognatha	P	Endo	0	0	7.0 ± 7.0	0	0	0	0	0
Nemertea
Nemertea	P	Endo	7.0 ± 7.0	0.007 ± 0.007	21 ± 11	0.007 ± 0.004	253 ± 138	0.41 ± 0.28	42 ± 29	0.009 ± 0.007
Mollusca, Bivalvia
Cerastoderma edule	SF	Endo	133 ± 31.6	4.1 ± 1.8	77 ± 36	1.274 ± 0.975	154 ± 45	6.0 ± 2.4	35 ± 22	1.4 ± 1.2
Macoma balthica	SDF	Endo	217 ± 54.8	1.7 ± 0.4	70 ± 42	0.766 ± 0.541	35 ± 13	1.3 ± 1.0	0	0
Mytilus edulis	SF	Epi	0	0	0	0	0	0	7.0 ± 7.0	0.2 ± 0.2
Mollusca, Gastropoda
Hydrobia ulvae	SDF	Epi	5,261 ± 910.9	6.7 ± 1.2	13,644 ± 1,101	18 ± 2	29,751 ± 6,219	39 ± 7	47,843 ± 5,296	66 ± 7
Littorina littorea	SDF	Epi	0	0	0	0	112 ± 54	2.1 ± 1.5	175 ± 56	3.2 ± 2.0
Nudibranchia	P	Epi	0	0	0	0	49 ± 49	0.107 ± 0.107	0	0
Cnidaria
Actinaria	SF	Epi	0	0	7.0 ± 7.0	0.003 ± 0.003	274 ± 84	0.777 ± 0.290	168 ± 41	0.54 ± 0.31
Crustacea
Bathyporeia pilosa	SDF	Endo	7.0 ± 7.0	0.001 ± 0.001	0	0	0	0	0	0
Carcinus maenas	P	Epi	7.0 ± 7.0	0	14 ± 30	0.014 ± 0.010	168 ± 40	1.1 ± 0.5	35 ± 13	0.31 ± 0.15
Corophium arenarium	SDF	Endo	7.0 ± 7.0	0.002 ± 0.002	0	0	0	0	0	0
Crangon crangon	P	Epi	7.0 ± 7.0	0.031 ± 0.031	0	0	0	0	0	0
Gammarus locusta	O	Epi	0	0	0	0	7.0 ± 7.0	0.016 ± 0.016	0	0
Hyale nilssoni	?	Epi	0	0	7.0 ± 7.0	0	0	0	42 ± 23	0.02 ± 0.017
Idotea chelipes	SDF	Epi	21 ± 11.2	0.009 ± 0.008	14 ± 11	0.009 ± 0.007	7.0 ± 7.0	0	0	0
Melita palmata	SDF	Epi	0	0	0	0	14 ± 14	0.003 ± 0.003	0	0
Total			12,964	22.03	22,834	25.27	44,033	59.96	53,160	72.14

Values are average number of individuals per m⁻² (ind m⁻² ± SE) and g ash free dry weight per m² (g AFDW m⁻² ± SE), respectively
Functional groups are: P predator, SDF surface deposit feeder, SSDF sub-surface deposit feeder, SF suspension feeders, O omnivore, Endo endofaunal species, Epi epifaunal species, SE standard error, which was obtained by dividing the SD by the square root of the number of observations

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