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NEFSC Metadata Library > Ecosystems & Aquaculture Division (EAD) > Aquaculture Systems & Ecology Branch (ASEB) > Effects of hydraulic shellfish harvesting on be... >

Spreadsheet: bivalve counts 2013, Worksheet: Summary

Entity (ENT)  |  Northeast Fisheries Science Center (NEFSC)
GUID: gov.noaa.nmfs.inport:32740  |  Updated: August 9, 2022  |  Published / External 
Summary
Item Identification
Entity Info
Data Attributes
Catalog Details

Summary

Abstract

Effects of hydraulic shellfish harvesting on sediment chemistry and bivalve abundance was examined on a leased, cultivated clam bed near Milford, Connecticut in the central basin of Long Island Sound. The clam bed was divided into two 2-ha plots, one was hydraulically dredged by commercial clam boat in January 2013 and one remained not dredged to serve as a control. Both plots were further subdivided into 9 boxes for spatially randomized sampling. Pore-water chemistry and sediment grain size were measured on 3 occasions over the study period from July to October 2013. Four sampling trips to obtain benthic sediment using a Smith McIntyre grab were conducted over the same time interval.

Description

Abundance of bivalve species on a dredged and not dredged clam bed in Long Island Sound (study of newly related bivalves to be related to chemical measurements in the sediments collected at the same time)

Entity Information

Entity Type
Spreadsheet

Data Attribute / Type Description
Sample ID
CHARACTER 		Sample ID formatted at [Sampling Number]-[Station ID]
Anadara
NUMBER 		Total number of organisms in subsample
Ensis
NUMBER 		Total number of organisms in subsample
Mercenaria
NUMBER 		Total number of organisms in subsample
Mulinia
NUMBER 		Total number of organisms in subsample
Mya
NUMBER 		Total number of organisms in subsample
Mytilus
NUMBER 		Total number of organisms in subsample
Nucula
NUMBER 		Total number of organisms in subsample
Yoldia
NUMBER 		Total number of organisms in subsample
Blank1
CHARACTER 		blank column
Date
DATE 		Date of sampling
Sampling#
NUMBER 		Sample number
Site
NUMBER 		Sampling location
Treatment
CHARACTER 		Treatment "dredged" or "not dredged"
Station ID
CHARACTER 		Station ID

Child Items

No Child Items for this record.

Contact Information

No contact information is available for this record.

Please contact the owner organization (NEFSC) for inquiries on this record.

Item Identification

Title: Spreadsheet: bivalve counts 2013, Worksheet: Summary
Short Name: bivalve counts 2013 Summary
Status: Completed
Abstract:

Effects of hydraulic shellfish harvesting on sediment chemistry and bivalve abundance was examined on a leased, cultivated clam bed near Milford, Connecticut in the central basin of Long Island Sound. The clam bed was divided into two 2-ha plots, one was hydraulically dredged by commercial clam boat in January 2013 and one remained not dredged to serve as a control. Both plots were further subdivided into 9 boxes for spatially randomized sampling. Pore-water chemistry and sediment grain size were measured on 3 occasions over the study period from July to October 2013. Four sampling trips to obtain benthic sediment using a Smith McIntyre grab were conducted over the same time interval.

Notes:

Loaded by batch 8817, 05-17-2016 16:30

Entity Information

Entity Type: Spreadsheet
Active Version?: Yes
Description:

Abundance of bivalve species on a dredged and not dredged clam bed in Long Island Sound (study of newly related bivalves to be related to chemical measurements in the sediments collected at the same time)

Data Attributes

Attribute Summary

Rubric Score Primary Key? Name Type Description
100
 Primary Key Sample ID CHARACTER Sample ID formatted at [Sampling Number]-[Station ID]
100
 Anadara NUMBER Total number of organisms in subsample
100
 Ensis NUMBER Total number of organisms in subsample
100
 Mercenaria NUMBER Total number of organisms in subsample
100
 Mulinia NUMBER Total number of organisms in subsample
100
 Mya NUMBER Total number of organisms in subsample
100
 Mytilus NUMBER Total number of organisms in subsample
100
 Nucula NUMBER Total number of organisms in subsample
100
 Yoldia NUMBER Total number of organisms in subsample
100
 Blank1 CHARACTER blank column
100
 Date DATE Date of sampling
100
 Sampling# NUMBER Sample number
100
 Site NUMBER Sampling location
100
 Treatment CHARACTER Treatment "dredged" or "not dredged"
100
 Station ID CHARACTER Station ID

Attribute Details

Sample ID

CC ID: 325191
Seq. Order: 1
Data Storage Type: CHARACTER
Max Length: 5
Required: Yes
Primary Key: Yes
Status: Active
Description:

Sample ID formatted at [Sampling Number]-[Station ID]
General Data Type: CHARACTER

Anadara

CC ID: 325198
Seq. Order: 2
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Ensis

CC ID: 325199
Seq. Order: 3
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Mercenaria

CC ID: 325200
Seq. Order: 4
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Mulinia

CC ID: 325201
Seq. Order: 5
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Mya

CC ID: 325202
Seq. Order: 6
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Mytilus

CC ID: 325203
Seq. Order: 7
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Nucula

CC ID: 325204
Seq. Order: 8
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Yoldia

CC ID: 325205
Seq. Order: 9
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Total number of organisms in subsample
General Data Type: NUMBER

Blank1

CC ID: 325192
Seq. Order: 10
Data Storage Type: CHARACTER
Max Length: 1
Required: No
Primary Key: No
Status: Active
Description:

blank column
General Data Type: CHARACTER

Date

CC ID: 325193
Seq. Order: 11
Data Storage Type: DATE
Max Length: 10
Required: Yes
Primary Key: No
Status: Active
Description:

Date of sampling
General Data Type: DATE

Sampling#

CC ID: 325194
Seq. Order: 12
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Sample number
General Data Type: NUMBER

Site

CC ID: 325195
Seq. Order: 13
Data Storage Type: NUMBER
Max Length: 1
Required: Yes
Primary Key: No
Precision: 1
Scale: 0
Status: Active
Description:

Sampling location
General Data Type: NUMBER

Treatment

CC ID: 325196
Seq. Order: 14
Data Storage Type: CHARACTER
Max Length: 11
Required: Yes
Primary Key: No
Status: Active
Description:

Treatment "dredged" or "not dredged"
General Data Type: CHARACTER

Station ID

CC ID: 325197
Seq. Order: 15
Data Storage Type: CHARACTER
Max Length: 3
Required: Yes
Primary Key: No
Status: Active
Description:

Station ID
General Data Type: CHARACTER

Catalog Details

Catalog Item ID: 32740
GUID: gov.noaa.nmfs.inport:32740
Metadata Record Created By: Patricia L Jones
Metadata Record Created: 2016-05-17 16:30+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+0000
Metadata Record Published: 2016-06-28
Owner Org: NEFSC
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2016-06-28
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2017-06-28