Citation:

PANGAEA.931117

Name: Eelgrass biomass (dry weight) measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada)
Published: 2021-05-04
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Abundance; Eelgrass; intertidal; invertebrates; multiple stress; stress interaction

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Abstract:

We evaluated single and interactive effects of density reduction of Zostera marina L., a habitat-forming species, shading, and sediment nutrient enrichment on the response of intertidal epibenthic macro-species abundances. Abundances were measured two weeks after reducing eelgrass density (Period T1), then nutrients were added to the sediments and shades were added above the bed. Abundances were measured three weeks later (Period T2), then shades were taken down. Final abundances were measured five weeks later (Period T3). Epibenthos was collected using mesh bags (mesh size of 500 µm, diameter about 18 cm). Shoots collected using this mehod were dried then dry weight was measured.

Keyword(s):

Abundance; Eelgrass; intertidal; invertebrates; multiple stress; stress interaction

Related to:

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Abundances of intertidal macro-species measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.930967

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Biomass (dry weight) of epiphytic microalgae measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931118

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Eelgrass biomass (dry weight) distribution measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931120

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Eelgrass shoot density measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931119

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Macro-species taxonomy measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931113

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Multiple stressors and disturbance effects on eelgrass and epifaunal macroinvertebrate assemblage structure. Marine Ecology Progress Series, 657, 93-108, https://doi.org/10.3354/meps13546

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Relative eelgrass leaf elongation and microalgal epiphyte load on eelgrass leaf measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931114

Cimon, Stéphanie; Deslauriers, Annie; Cusson, Mathieu (2021): Soluble sugar and starch content in eelgrass leaves and root-rhizomes measured through a multi-factorial in situ experiment of 10 weeks in a eelgrass bed in St. Lawrence Estuary (Baie-Saint-Ludger, Canada) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931121

Coverage:

Latitude: 49.133300 * Longitude: -67.233300

Date/Time Start: 2015-07-16T00:00:00 * Date/Time End: 2015-09-12T00:00:00

Event(s):

StLawrence_Estuary * Latitude: 49.133300 * Longitude: -67.233300 * Location: Quebec, Canada * Method/Device: Multiple investigations (MULT)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DATE/TIME	Date/Time		Cimon, Stéphanie		Geocode
2	Sample code/label	Sample label		Cimon, Stéphanie
3	Density	Density		Cimon, Stéphanie		Ambient eelgrass shoot density (Ambient, D-) or 80% reduced eelgrass shoot density (Reduced, D+)
4	Nutrient	Nutrient		Cimon, Stéphanie		No nutrient addition (Natural, N-) or nutrient enrichment (Enriched, N+, N:P:K = 15:3:3, 75 g N m−2)
5	Shading	Shade		Cimon, Stéphanie		Natural light (No, S-) or light reduced by ~68% with fiberglass screens between period T1 and period T2 (Yes, S+)
6	Treatment	Treat		Cimon, Stéphanie		D: Density, N: Nutrient, S: Shading
7	Plot	Plot		Cimon, Stéphanie
8	Period	Period		Cimon, Stéphanie
9	Zostera marina, biomass as dry weight	Zostera dm	g	Cimon, Stéphanie	Dried at 60°C until weight was stable	collected along with the epifaunal samples; used to standardize samples

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

960 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Date/Time	2 Sample label	3 Density	4 Nutrient	5 Shade	6 Treat	7 Plot	8 Period	9 Zostera dm [g]
2015-07-17	T1P01	Ambient	Natural	Yes	D-N-S+	P01	T1	1.65
2015-07-17	T1P02	Reduced	Natural	Yes	D+N-S+	P02	T1	1.01
2015-07-17	T1P03	Reduced	Natural	Yes	D+N-S+	P03	T1	0.70
2015-07-17	T1P04	Ambient	Natural	No	D-N-S-	P04	T1	2.64
2015-07-17	T1P05	Ambient	Natural	Yes	D-N-S+	P05	T1	2.71
2015-07-17	T1P06	Ambient	Enriched	Yes	D-N+S+	P06	T1	2.02
2015-07-17	T1P07	Reduced	Natural	No	D+N-S-	P07	T1	1.18
2015-07-16	T1P08	Ambient	Enriched	No	D-N+S-	P08	T1	1.47
2015-07-17	T1P09	Reduced	Natural	No	D+N-S-	P09	T1	0.77
2015-07-17	T1P10	Reduced	Enriched	Yes	D+N+S+	P10	T1	0.48
2015-07-16	T1P11	Ambient	Natural	No	D-N-S-	P11	T1	0.94
2015-07-17	T1P12	Reduced	Enriched	Yes	D+N+S+	P12	T1	0.36
2015-07-17	T1P13	Ambient	Enriched	Yes	D-N+S+	P13	T1	0.80
2015-07-16	T1P14	Ambient	Natural	Yes	D-N-S+	P14	T1	2.28
2015-07-17	T1P15	Ambient	Enriched	No	D-N+S-	P15	T1	0.91
2015-07-17	T1P16	Ambient	Natural	No	D-N-S-	P16	T1	2.24
2015-07-17	T1P17	Reduced	Enriched	No	D+N+S-	P17	T1	0.59
2015-07-16	T1P18	Reduced	Natural	No	D+N-S-	P18	T1	0.65
2015-07-16	T1P19	Reduced	Enriched	No	D+N+S-	P19	T1	0.85
2015-07-16	T1P20	Reduced	Natural	Yes	D+N-S+	P20	T1	0.52
2015-07-16	T1P21	Ambient	Enriched	Yes	D-N+S+	P21	T1	2.18
2015-07-16	T1P22	Reduced	Enriched	No	D+N+S-	P22	T1	0.61
2015-07-16	T1P23	Ambient	Enriched	Yes	D-N+S+	P23	T1	1.47
2015-07-17	T1P24	Reduced	Natural	Yes	D+N-S+	P24	T1	0.89
2015-07-16	T1P25	Ambient	Enriched	No	D-N+S-	P25	T1	0.64
2015-07-16	T1P26	Reduced	Natural	Yes	D+N-S+	P26	T1	1.25
2015-07-16	T1P27	Reduced	Enriched	Yes	D+N+S+	P27	T1	1.61
2015-07-17	T1P28	Reduced	Natural	No	D+N-S-	P28	T1	1.36
2015-07-16	T1P29	Ambient	Natural	No	D-N-S-	P29	T1	3.87
2015-07-16	T1P30	Reduced	Enriched	Yes	D+N+S+	P30	T1	0.78
2015-07-16	T1P31	Ambient	Natural	No	D-N-S-	P31	T1	1.82
2015-07-17	T1P32	Ambient	Natural	Yes	D-N-S+	P32	T1	2.86
2015-07-17	T1P33	Ambient	Natural	Yes	D-N-S+	P33	T1	1.14
2015-07-17	T1P34	Ambient	Enriched	No	D-N+S-	P34	T1	1.77
2015-07-17	T1P35	Reduced	Enriched	Yes	D+N+S+	P35	T1	1.89
2015-07-17	T1P36	Reduced	Enriched	No	D+N+S-	P36	T1	1.14
2015-07-17	T1P37	Ambient	Enriched	Yes	D-N+S+	P37	T1	2.70
2015-07-17	T1P38	Reduced	Enriched	No	D+N+S-	P38	T1	1.39
2015-07-17	T1P39	Ambient	Enriched	No	D-N+S-	P39	T1	1.71
2015-07-16	T1P40	Reduced	Natural	No	D+N-S-	P40	T1	1.33
2015-08-06	T2P1	Ambient	Natural	Yes	D-N-S+	P1	T2	0.77
2015-08-06	T2P2	Reduced	Natural	Yes	D+N-S+	P2	T2	1.01
2015-08-06	T2P3	Reduced	Natural	Yes	D+N-S+	P3	T2	0.34
2015-08-05	T2P4	Ambient	Natural	No	D-N-S-	P4	T2	3.99
2015-08-05	T2P5	Ambient	Natural	Yes	D-N-S+	P5	T2	0.68
2015-08-06	T2P6	Ambient	Enriched	Yes	D-N+S+	P6	T2	0.58
2015-08-06	T2P7	Reduced	Natural	No	D+N-S-	P7	T2	0.62
2015-08-05	T2P8	Ambient	Enriched	No	D-N+S-	P8	T2	1.12
2015-08-05	T2P9	Reduced	Natural	No	D+N-S-	P9	T2	1.05
2015-08-06	T2P10	Reduced	Enriched	Yes	D+N+S+	P10	T2	0.96
2015-08-05	T2P11	Ambient	Natural	No	D-N-S-	P11	T2	0.91
2015-08-06	T2P12	Reduced	Enriched	Yes	D+N+S+	P12	T2	0.57
2015-08-06	T2P13	Ambient	Enriched	Yes	D-N+S+	P13	T2	1.04
2015-08-05	T2P14	Ambient	Natural	Yes	D-N-S+	P14	T2	0.63
2015-08-06	T2P15	Ambient	Enriched	No	D-N+S-	P15	T2	0.91
2015-08-06	T2P16	Ambient	Natural	No	D-N-S-	P16	T2	1.93
2015-08-05	T2P17	Reduced	Enriched	No	D+N+S-	P17	T2	1.25
2015-08-05	T2P18	Reduced	Natural	No	D+N-S-	P18	T2	0.57
2015-08-05	T2P19	Reduced	Enriched	No	D+N+S-	P19	T2	1.12
2015-08-05	T2P20	Reduced	Natural	Yes	D+N-S+	P20	T2	0.21
2015-08-05	T2P21	Ambient	Enriched	Yes	D-N+S+	P21	T2	1.35
2015-08-05	T2P22	Reduced	Enriched	No	D+N+S-	P22	T2	0.65
2015-08-05	T2P23	Ambient	Enriched	Yes	D-N+S+	P23	T2	0.41
2015-08-05	T2P24	Reduced	Natural	Yes	D+N-S+	P24	T2	0.76
2015-08-05	T2P25	Ambient	Enriched	No	D-N+S-	P25	T2	0.70
2015-08-05	T2P26	Reduced	Natural	Yes	D+N-S+	P26	T2	0.72
2015-08-05	T2P27	Reduced	Enriched	Yes	D+N+S+	P27	T2	0.87
2015-08-05	T2P28	Reduced	Natural	No	D+N-S-	P28	T2	1.49
2015-08-05	T2P29	Ambient	Natural	No	D-N-S-	P29	T2	2.13
2015-08-05	T2P30	Reduced	Enriched	Yes	D+N+S+	P30	T2	0.43
2015-08-05	T2P31	Ambient	Natural	No	D-N-S-	P31	T2	2.80
2015-08-05	T2P32	Ambient	Natural	Yes	D-N-S+	P32	T2	1.20
2015-08-06	T2P33	Ambient	Natural	Yes	D-N-S+	P33	T2	0.29
2015-08-06	T2P34	Ambient	Enriched	No	D-N+S-	P34	T2	0.71
2015-08-06	T2P35	Reduced	Enriched	Yes	D+N+S+	P35	T2	0.72
2015-08-06	T2P36	Reduced	Enriched	No	D+N+S-	P36	T2	1.18
2015-08-06	T2P37	Ambient	Enriched	Yes	D-N+S+	P37	T2	0.67
2015-08-05	T2P38	Reduced	Enriched	No	D+N+S-	P38	T2	1.46
2015-08-05	T2P39	Ambient	Enriched	No	D-N+S-	P39	T2	1.88
2015-08-05	T2P40	Reduced	Natural	No	D+N-S-	P40	T2	0.48
2015-09-12	T3P1	Ambient	Natural	Yes	D-N-S+	P1	T3	2.64
2015-09-12	T3P2	Reduced	Natural	Yes	D+N-S+	P2	T3	0.61
2015-09-12	T3P3	Reduced	Natural	Yes	D+N-S+	P3	T3	0.48
2015-09-12	T3P4	Ambient	Natural	No	D-N-S-	P4	T3	0.62
2015-09-12	T3P5	Ambient	Natural	Yes	D-N-S+	P5	T3	2.09
2015-09-12	T3P6	Ambient	Enriched	Yes	D-N+S+	P6	T3	1.55
2015-09-12	T3P7	Reduced	Natural	No	D+N-S-	P7	T3	1.00
2015-09-12	T3P8	Ambient	Enriched	No	D-N+S-	P8	T3	1.81
2015-09-12	T3P9	Reduced	Natural	No	D+N-S-	P9	T3	1.05
2015-09-12	T3P10	Reduced	Enriched	Yes	D+N+S+	P10	T3	0.70
2015-09-12	T3P11	Ambient	Natural	No	D-N-S-	P11	T3	0.56
2015-09-12	T3P12	Reduced	Enriched	Yes	D+N+S+	P12	T3	0.37
2015-09-12	T3P13	Ambient	Enriched	Yes	D-N+S+	P13	T3	1.98
2015-09-12	T3P14	Ambient	Natural	Yes	D-N-S+	P14	T3	0.43
2015-09-12	T3P15	Ambient	Enriched	No	D-N+S-	P15	T3	1.56
2015-09-12	T3P16	Ambient	Natural	No	D-N-S-	P16	T3	1.21
2015-09-12	T3P17	Reduced	Enriched	No	D+N+S-	P17	T3	0.46
2015-09-12	T3P18	Reduced	Natural	No	D+N-S-	P18	T3	1.18
2015-09-12	T3P19	Reduced	Enriched	No	D+N+S-	P19	T3	0.37
2015-09-12	T3P20	Reduced	Natural	Yes	D+N-S+	P20	T3	0.34
2015-09-12	T3P21	Ambient	Enriched	Yes	D-N+S+	P21	T3	0.80
2015-09-12	T3P22	Reduced	Enriched	No	D+N+S-	P22	T3	0.93
2015-09-12	T3P23	Ambient	Enriched	Yes	D-N+S+	P23	T3	1.07
2015-09-12	T3P24	Reduced	Natural	Yes	D+N-S+	P24	T3	0.48
2015-09-12	T3P25	Ambient	Enriched	No	D-N+S-	P25	T3	1.69
2015-09-12	T3P26	Reduced	Natural	Yes	D+N-S+	P26	T3	1.54
2015-09-12	T3P27	Reduced	Enriched	Yes	D+N+S+	P27	T3	0.99
2015-09-12	T3P28	Reduced	Natural	No	D+N-S-	P28	T3	0.65
2015-09-12	T3P29	Ambient	Natural	No	D-N-S-	P29	T3	0.93
2015-09-12	T3P30	Reduced	Enriched	Yes	D+N+S+	P30	T3	0.65
2015-09-12	T3P31	Ambient	Natural	No	D-N-S-	P31	T3	1.19
2015-09-12	T3P32	Ambient	Natural	Yes	D-N-S+	P32	T3	0.63
2015-09-12	T3P33	Ambient	Natural	Yes	D-N-S+	P33	T3	0.69
2015-09-12	T3P34	Ambient	Enriched	No	D-N+S-	P34	T3	1.21
2015-09-12	T3P35	Reduced	Enriched	Yes	D+N+S+	P35	T3	1.61
2015-09-12	T3P36	Reduced	Enriched	No	D+N+S-	P36	T3	0.71
2015-09-12	T3P37	Ambient	Enriched	Yes	D-N+S+	P37	T3	1.66
2015-09-12	T3P38	Reduced	Enriched	No	D+N+S-	P38	T3	0.83
2015-09-12	T3P39	Ambient	Enriched	No	D-N+S-	P39	T3	2.12
2015-09-12	T3P40	Reduced	Natural	No	D+N-S-	P40	T3	1.55