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Oyster Aquaculture Expansion in Maryland’s Chesapeake Bay: Informing industry opportunities and conflicts through GIS and participatory mapping processes. Nicole Carlozo NOAA Social Coast Forum Charleston, SC February 18, 2014. Saving Maryland’s Oyster. Why do we care?. State Actions.

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Oyster Aquaculture Expansion in Maryland’s Chesapeake Bay: Informing industry opportunities and conflicts through GIS and participatory mapping processes

Nicole Carlozo

NOAA Social Coast Forum

Charleston, SC

February 18, 2014


Saving maryland s oyster
Saving Maryland’s Oyster Informing industry opportunities and conflicts through GIS and participatory mapping processes

Why do we care?

State Actions

Oyster Aquaculture Planning

Data Portals (DNR Aquaculture Division)

Suitability Modeling (NOAA Fellow/MD DNR)

Addressing user-conflicts and needs through stakeholder participation

(NOAA Fellow/ MD DNR)


The eastern oyster crassostrea virginica
The eastern oyster (Crassostrea virginica)… Informing industry opportunities and conflicts through GIS and participatory mapping processes

A Heritage in Oysters:Crisfield, Cambridge, Oxford, St. Michaels, Galesville, Solomons, Smith Island…

Oyster Police cannon

Photos courtesy of MD Historical Society, MD DNR, National Archives


The declining fishery
The Declining Fishery Informing industry opportunities and conflicts through GIS and participatory mapping processes

1949. Dermo 1959. MSX

Dermo

MSX

Source: NOAA Chesapeake Bay Office

“In ten or fifteen years the oyster men of Chesapeake Bay will be extinct,

and their unique maritime culture and independent way of living will pass

into folklore and history…” (Wennersten, 1981)


Taking action
Taking Action Informing industry opportunities and conflicts through GIS and participatory mapping processes

  • Habitat protection/sanctuaries

  • Artificial reefs

  • Large-scale restoration

    • 20 tributaries by 2025

  • Enforcement

  • Promote Aquaculture (1820, 1965, 1906…2010)

    • Oyster Restoration and Aquaculture Development Plan

    • Data collection and transparency


Marine spatial planning
Marine Spatial Planning* Informing industry opportunities and conflicts through GIS and participatory mapping processes

* Data sharing, transparency, data collection, tool development, stakeholder participation, use-conflicts, coastal planning

Oyster Aquaculture Planning

Data Portals (Online Aquaculture Siting Tool)

Suitability Modeling (GIS Model)

Addressing user-conflicts and needs through stakeholder participation (Participatory GIS)


Online aquaculture siting tool
Online Aquaculture Siting Tool Informing industry opportunities and conflicts through GIS and participatory mapping processes


Aquaculture policy exclusion areas
Aquaculture Policy: Exclusion areas Informing industry opportunities and conflicts through GIS and participatory mapping processes

  • SAV zone (5 years)

  • Oyster Planting Areas (6 years)

  • Closed Harvest Areas

  • Public Shellfish Fishery Area (150 ft buffer)

  • Harvest Reserve Area (150 ft buffer)

  • Pound net sites (150 ft buffer)

  • Yates bars within sanctuaries (150 ft buffer)

  • Federal navigation channels (150 ft buffer)

  • Navigation buoys (250 ft buffer) – requires Army Corps of Engineers / Coast Guard Review

  • Shoreline (50 ft buffer, unless landowner permission)

  • Blind spots (500 yard buffer) – locations change annually

  • MD artificial reef initiative sites

  • Current shellfish leases

  • Potomac River main stem

  • No more than 10% of any sanctuary can be leased (leases must be compatible with restoration).


1) Informing industry opportunities and conflicts through GIS and participatory mapping processesIdentify high priority aquaculture areas that align with TMDL water quality goals.

2) Investigate oyster aquaculture as a BMP to meet Chesapeake TMDL water quality goals.

3) Develop recommendations about the best ways to balance competing coastal uses.


1 identify high priority aquaculture areas that align with tmdl water quality goals
1) Informing industry opportunities and conflicts through GIS and participatory mapping processesIdentify high priority aquaculture areas that align with TMDL water quality goals.

  • Develop Suitability Parameters

  • Bottom, Caged, and Floating Aquaculture

  • Interviews

  • Literature Research

  • Expert facilitation

Develop GIS Model

Environmental Parameters: DO, Salinity, Temp, Bottom Substrate, Bacteria

Policy Parameters: Online Aquaculture Siting Tool, Cultural/Historic Sites

Additional Parameters: Bathymetry


Oyster aquaculture suitability model
Oyster Aquaculture Suitability Model Informing industry opportunities and conflicts through GIS and participatory mapping processes

Models:

  • Bottom, Caged, Floating

  • Raster Calculator:

    • Suitable = 1

    • Unsuitable = 0

DO

Temperature

Salinity

Bottom

Policy

Bacteria

Bathymetry


Priority areas
Priority Areas Informing industry opportunities and conflicts through GIS and participatory mapping processes

NOTE: Fetch, wave action, chlorophyll, and flow were not incorporated into this initial model.

  • Long-term survival, optimal filtration

  • Reduced disease risk

  • Ability to harvest

  • Suitable substrate for reduced maintenance


2) Investigate Informing industry opportunities and conflicts through GIS and participatory mapping processesoyster aquaculture as a BMP to meet Chesapeake TMDL water quality goals.

  • Average N content: 8.2% of tissue dry weight (DW) and 0.21% of shell DW.

  • Average P content: 1.07% of tissue DW and 0.06% of shell DW.

  • (2013 STAC Report)

Source: NOAA Chesapeake Bay Office/EcoCheck


Oysters and water quality
Oysters and Water Quality Informing industry opportunities and conflicts through GIS and participatory mapping processes


3 develop recommendations about the best ways to balance competing coastal uses
3) Develop recommendations about the best ways to Informing industry opportunities and conflicts through GIS and participatory mapping processesbalance competing coastal uses.

Participatory Mapping (pGIS)

“Gathering and mapping spatial information to help communities learn, discuss, build consensus, and make decisions about their communities and associated resources.”

(NOAA Coastal Services Center 2009)


Area of Focus for Mapping Choptank River Recreational Uses Informing industry opportunities and conflicts through GIS and participatory mapping processes


Participatory mapping

Inform land acquisition / recreation planning, public access needs, and future oyster aquaculture expansion.

Identify current use patterns to determine future needs or potential conflicts.

Reduce information gap

Integrate CMSP into management efforts.

24 recreational use categories

Charter/Guided

Fishing/Hunting

General

Cultural/Historic Uses

3 Breakout rooms

+40 participants

8 to 10 staff

E-beam (electronic pen)

Participatory Mapping

Workshop

Purpose


Stakeholder participation
Stakeholder Participation needs, and future oyster aquaculture expansion.

Draw on local experts to obtain knowledge about recreational uses:

  • location (spatial range)

  • intensity (general vs. dominant)

  • other use characteristics (seasonality)

    Workshop facilitators & mapping specialists help convert local knowledge into readable maps

    Use interactive mapping software to explain… “What happens where?” “To what extent?”


Data collection
Data Collection needs, and future oyster aquaculture expansion.

General Use Footprint : Areas in which the use is known to occur with some regularity (over the past 3‐5 years), regardless of its frequency or intensity.

Dominant Use Areas: Areas routinely used by most users most of the time (within the seasonal patterns for that use).


Putting the pieces together
Putting the Pieces Together… needs, and future oyster aquaculture expansion.

Next Steps

  • Suitability Model: HAB risk areas; Climate risk areas; refine as needed.

  • Develop workshop materials for Chesapeake-wide PGIS workshops.

  • Engage state/local resource and recreation planners.

  • Data sharing (Coastal Atlas).


Thank You! needs, and future oyster aquaculture expansion.

Nicole Carlozo

[email protected]


State of aquaculture
State of Aquaculture needs, and future oyster aquaculture expansion.

  • 10 Point Oyster Restoration Plan

  • Focus on targeted restoration strategies

  • Expand the sanctuary program

  • Support a more targeted and scientifically managed wild oyster fishery

  • Shift commercial production to aquaculture

  • Rehabilitate oyster bar habitat

  • Manage against oyster disease

  • Increase hatchery production

  • Enhance law enforcement

  • Increase citizen involvement

  • Integrate inmate labor

  • 338 leases

  • 11 of 16 coastal counties


Taking action aquaculture planning
Taking Action: Aquaculture Planning needs, and future oyster aquaculture expansion.

  • 2010: Oyster Restoration and Aquaculture Development Plan

    • Publish Shellfish Fishery Areas

    • Aquaculture Enterprise Zones

    • Expand Sanctuaries

    • Update lease law (reflected within Online Aquaculture Siting Tool)

    • 10 Point Oyster Restoration Plan


Data processing
Data Processing needs, and future oyster aquaculture expansion.

Develop & present preliminary map productsto participants and experts for review.

Follow-up with local experts as needed to gain a more in-depth understanding of use patterns.

Revise and share data.

Fishnet Cells


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