1 Descriptive Section

1.1 Indicator category

[1] “Fish”

1.2 Indicator name

Inshore Survey (New England)

Includes variable(s): Apex Predator Fall, Apex Predator Spring, Benthivore Fall, Benthivore Spring, Benthos Fall, Benthos Spring, Other Fall, Other Spring, Piscivore Fall, Piscivore Spring, Planktivore Fall, Planktivore Spring

1.3 Indicator brief description

Biomass time series for aggregate species groups from the Maine/New Hampshire inshore bottom trawl surveys conducted in Maine and New Hampshire state waters.

1.4 Indicator visualization

Each survey shows trends by aggregate group.

2 SMART Attribute Section

2.1 Indicator documentation

2.1.1 Are indicators available for others to use (data downloadable)?

Yes

2.1.1.1 Where can indicators be found?

Data: https://noaa-edab.github.io/ecodata/index.html

Description: https://noaa-edab.github.io/catalog/ne_inshore_survey.html

Technical documentation: https://noaa-edab.github.io/tech-doc/ne_inshore_survey.html

2.1.1.2 How often are they updated? Are future updates likely?

[need sequential look at datasets for update frequency. Future requires judgement]

2.1.1.3 Who is the contact?

Rebecca Peters (ME/NH survey), rebecca.j.peters@maine.gov

2.1.2 Gather indicator statistics

2.1.2.1 Units

Indicator	Units
Apex Predator Fall	(KG/tow)
Apex Predator Spring	(KG/tow)
Benthivore Fall	(KG/tow)
Benthivore Spring	(KG/tow)
Benthos Fall	(KG/tow)
Benthos Spring	(KG/tow)
Other Fall	(KG/tow)
Other Spring	(KG/tow)
Piscivore Fall	(KG/tow)
Piscivore Spring	(KG/tow)
Planktivore Fall	(KG/tow)
Planktivore Spring	(KG/tow)

2.1.2.2 Length of time series, start and end date, periodicity

General overview: Spring and Fall

Indicator specifics:

Indicator	EPU	StartYear	EndYear	NumYears	MissingYears
Apex Predator Fall	NE	2000	2024	25	0
Apex Predator Spring	NE	2001	2024	23	1
Benthivore Fall	NE	2000	2024	25	0
Benthivore Spring	NE	2001	2024	23	1
Benthos Fall	NE	2000	2024	25	0
Benthos Spring	NE	2001	2024	23	1
Other Fall	NE	2000	2024	25	0
Other Spring	NE	2001	2024	23	1
Piscivore Fall	NE	2000	2024	25	0
Piscivore Spring	NE	2001	2024	23	1
Planktivore Fall	NE	2000	2024	25	0
Planktivore Spring	NE	2001	2024	23	1

2.1.2.3 Spatial location, scale and extent

General overview: Nearshore regions of the MAB and GOM

Indicator specifics:

Indicator	EPU
Apex Predator Fall	NE
Apex Predator Spring	NE
Benthivore Fall	NE
Benthivore Spring	NE
Benthos Fall	NE
Benthos Spring	NE
Other Fall	NE
Other Spring	NE
Piscivore Fall	NE
Piscivore Spring	NE
Planktivore Fall	NE
Planktivore Spring	NE

2.1.2.4 Management scale: all species, FMP level, species level, can it be aggregated or separated to different scales?

[Classify by hand, note gridded data if available could be applied to different species ranges]

2.1.2.5 Uncertainty metrics

Uncertainty is captured in these variables:

character(0)

2.1.3 Are methods clearly documented to obtain source data and calculate indicators?

Yes

2.1.3.1 Can the indicator be calculated from current documentation?

2.1.3.2 Is code publicly available? up to date?

2.1.3.3 Have methods changed over time?

2.1.4 Are indicator underlying source data linked or easy to find?

2.1.4.1 Where are source data stored?

2.1.4.2 How/by whom are source data updated? Are future updates likely?

[likelihood of source data updates requires judgement, enter by hand]

2.1.4.3 How often are they updated?

[Update by hand, look for source, may require judgement]

2.2 Indicator analysis/testing or history of use

2.2.1 What decision or advice processes are the indicators currently used in?

Indicators from these inshore surveys are analogous to those produced by the NEFSC trawl survey in the aggregate survey biomass indicator dataset.

2.2.2 What implications of the indicators are currently listed?

The trends in the Maine/New Hampshire inshore survey vary compared to the NEFSC survey. This is driven by different species availability to surveys in time and space as well as the surveys sampling different habitats. Nearshore habitats are important to fish and fisheries so we monitor them as as well as trends from the larger EPUs.

2.2.3 Do target, limit, or threshold values already exist for the indicator?

2.2.4 Have the indicators been tested to ensure they respond proportionally to a change in the underlying process?

2.2.5 Are the indicators sensitive to a small change in the process, or what is the threshold of change that is detectable?

Unknown

2.2.6 Is there a time lag between the process change and the indicator change? How long?