HTL-EST-Clam-growth_csv

Age and annual growth of clams (Mya arenaria) during 2010 to 2011 in the Plum Island Sound estuary, Newbury, Rowley and Ipswich, MA.

Download: HTL-EST-Clam-growth.csv

Variables

Date_range

Label: Date_range
Definition: Date range that clams were sampled in
Type: Nominal
Missing values: None specified

Station_ID

Label: Station_ID
Definition: Name of sampling station
Type: Nominal
Missing values: None specified

Clam_ID

Label: Clam_ID
Definition: Name of individual clam sampled
Type: Nominal
Missing values: None specified

Latitude

Label: Latitude
Definition: Latitude of sampling station (decimal degrees)
Type: Physical quantity
Unit: degree
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Longitude

Label: Longitude
Definition: Longitude of sampling station (decimal degrees)
Type: Physical quantity
Unit: degree
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year1

Label: Size_Year1
Definition: Size of first year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year2

Label: Size_Year2
Definition: Size of second year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year3

Label: Size_Year3
Definition: Size of third year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year4

Label: Size_Year4
Definition: Size of fourth year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year5

Label: Size_Year5
Definition: Size of fifth year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year6

Label: Size_Year6
Definition: Size of sixth year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year7

Label: Size_Year7
Definition: Size of seventh year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Size_Year8

Label: Size_Year8
Definition: Size of eighth year internal growth ring
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

d18O

Label: d18O
Definition: measure of the ratio of stable isotopes 18O:16O in clam shell growth rings
Type: Physical quantity
Unit: partPerThousand
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

d13C

Label: d13C
Definition: measure of the ratio of stable isotopes 13C:12C in clam shell growth rings
Type: Physical quantity
Unit: partPerThousand
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Ventral_margin_distance

Label: Ventral_margin_distance
Definition: Distance from the ventral margin
Type: Physical quantity
Unit: millimeter
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values:
- NA = missing

Annual_growth

Label: Annual_growth
Definition: Annual growth ring evident
Type: Nominal
Missing values: None specified

Season

Label: Season
Definition: Type of ring- indicating winter dormancy or growing season
Type: Nominal
Missing values: None specified

Data Source Details

Header lines:

1

Orientation:

Column

Field delimiter:

,