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The ocean is inextricably tied to the economy, culture, and life of Maine’s coastal communities. The economy of many of these communities is now highly reliant on the lobster industry. Conflicts between the fishing industry and other ocean uses have always been a part of life, but as some existing ocean uses are expanding into new areas or growing in new ways, we are also increasingly starting to understand the contours of these conflicts. We are learning that some of them may be preventable or at the least the impacts can be mitigated. We are also seeing new ocean uses arise, such as offshore wind, being proposed for coastal waters around New England. 

Managers and regulators of these uses as well as project developers, industry proponents, and those opposed to certain activities can all be better informed about the importance of ocean space to the fishing industry. This knowledge can lead to more informed decisions which will account for the potential impact on the fishing industry and the coastal communities that depend on these waters.

In New England, the Northeast Ocean Plan and the ocean planning process produced two different ways of providing useful contextual information about the fishing industry. Additionally, the Mid-Atlantic process used one separate method. Taken together, these three different ways of describing where commercial fishing activity happens on the water help provide a deep understanding of our fishing industries. This background context about specific fisheries helps make sure decision-makers are aware of the connection between the fishing industry and coastal communities. This understanding is critical to avoiding significant unintended consequences of decisions. Each method of describing the fishing industry gives voice to fishermen and fishing communities in different ways, and the inclusion of all three methods in the decision-making process helps ensure significant issues are not overlooked.  

The Northeast Regional Ocean Council (NROC) is accumulating a variety of data layers which include relative densities of marine life and economically significant ocean areas. Much of this data was collected using location data collected by Vessel Monitoring Systems (VMS) aboard fishing boats that participate in some federally managed fisheries. The data was aggregated to include all of the vessels in that fishery, and maps were created to show the “hot” and “cold” spots of commercial fishing vessel activity. The “hot” spots were areas with a lot of pings, and the “colder” locations were areas with fewer pings.

Through an iterative process of meeting with industry members and refining draft products, NROC was able to develop spatial footprints for 6 fisheries. These maps are accurate representations of the spatial footprint of these fisheries and very helpful for determining whether a specific fishery has used a specific part of the ocean in the last few years. Fishermen were very concerned that the absence of data or the absence of a significant amount of fishing activity would lead uninformed users of the maps to determine that the fishing industry cared less about a particular spot.

Throughout the process, fishermen had significant concerns about the misinterpretation of the maps and NROC posted the maps with a set of caveats that are intended to limit the use of the maps or at least allow anybody to point out why a certain interpretation isn’t correct.

Some of the major concerns included -

  • Implicit assumptions could be made that "cold" areas are of lower importance to fishermen when in fact fishermen identified areas of lower activity that were seasonally important to the entire fishery or critical to a subset of fishermen – either a particular gear type or specific fishing community. These areas showed up as “cold” because they are closed to fishing activity due to management concerns, but they could be opened up again.
  • Vessels that are not fishing in the Northeast Multispecies/Groundfish, (i.e. fisheries other than: monkfish, scallop, herring, Squid/Mackerel/Butterfish, or surf clam/ocean quahog fisheries) are not required to have VMS on board and are left out of these data sets. Regionally important fisheries such as lobster, tuna, and the party charter fishery all lack this sort of spatial footprint.
  • Beyond identifying that a specific fishery might have an interest in a particular area, the spatial footprint is not particularly helpful in describing which fishermen are working there or which communities might have an interest in that particular space, why an area is important, how fishermen use it, and how that use has changed or might change with a shifting environment.

Maps from the Portal

The Multispecies 2011-2014 map shows vessel activity for fishing boats involved in the Northeast Multispecies fishery – more commonly known as groundfish. This fishery is made up of 13 different species including cod, haddock, Pollock and a variety of different kind of flounders. Fishermen in the fishery use a couple of different gear types, trawling, gillnetting, and hook gear which are shown on this map. Overall the groundfish industry has a large spatial footprint in New England waters but fishermen targeting different species within the fishery use the water very differently. The overall spatial footprint can mask these issues as well as a variety of other issues. 

 

Different Species in the same Fishery Surf Clam/Ocean Quahog 2012-2014 <4 knots map highlights the importance of understanding how the management of a fishery impacts its spatial footprint. The map effectively shows two very different parts of the industry – with the waters off of Maine being fished with different gear and under a different management structure than the waters further south. 

 

Transiting a closed area versus fishing near it - Monkfish 2011-2014 and Monkfish 2011 -2014 <4knots (both with closed areas)– comparing these two maps shows that fishing vessels are found in the Western Gulf of Maine closed area but that they are likely transiting the area and fishing on the east of the closure.

 

Transit Activity can hide fishing activity - Herring 2011-2014 and Herring 2011 – 2014 <4knots similarly shows that some fishing activity is likely hidden in the broader maps. At the same time, the 2011-2014 maps show that there are well established transit routes. The potential impact on the industry from changing transit routes is different than the impact on areas where fishing activity takes place – but from the fishing vessel operations perspective, the impacts could be as significant or even greater.

 

 VMS map of Groundfish fishery with areas that are important to the Port Clyde community drawn by fishermen to help explain that while some areas appear less regionally important, they are critical to a community. The areas identified as “PC” on the map are not used year-round, rather they are seasonally important.

 

Additional Resources

The Mid-Atlantic Regional Ocean Council is also creating maps of where various ocean uses appear. With data about commercial fisheries, the MARCO took a different and highly complementary approach. MARCO used Vessel Trip Report (VTR) data to connect areas of the ocean back to specific shore side communities. VTR’s are filled out by each fisherman engaged in federally managed fisheries and they include a variety of information such as the vessel, the captain, the gear used, the types and pounds of different species caught, where the fish were caught, and where the catch was offloaded.  MARCO linked the VTR’s to specific fishing permits and to the “principle port” for those vessels. The resulting maps show areas where there is a “community presence” by gear type.  

These types of maps are helpful for identifying shore-side communities that might have an interest in a specific location and therefore helpful for identifying where outreach activities related to ocean planning should be focused. Because the maps are broken down by gear type instead of fishery, they can be helpful in identifying the sort of conflict that might occur between fishing and other ocean uses. Different gear types have different kinds of conflicts – it may be very easy for a fisherman who uses mobile gear, like a bottom trawler to avoid a hydrographic survey vessel while a fishermen fishing with fixed gear may have more concerns. Similarly, an underwater cable may not be an issue for a seiner but could prevent a scallop dredge from being used in an area.

While MARCO used a different data set and processed the data in a different way, the approach to working with the industry was similar, and they also developed a similar list of caveats.  Notably, these caveats include

  • These maps represent a fixed moment in time and fishing activity shifts over time due to a variety of factors – including market dynamics, regulatory changes, and fishing strategies.
  • The maps only show vessels that have federal fishing permits and do not show boats that are solely engaged in state waters fisheries. 
  • Maps of fixed gear activity tend to be more accurate than those of mobile gear and maps showing day trips tend to be more accurate than multiday trips. Typically, this means that the maps of fixed gear close to shore are more accurate than mobile gear offshore.
  • VMS maps provide additional precision for some fisheries, but there is general agreement between the two data when one is laid on top of the other.
  • For some types of decision making, (e.g. detailed construction plans for energy infrastructure) much finer scale information and data will be needed. Fine scale data cannot be obtained using either VTR or VMS data and will ideally be provided by fishermen.

It is important to note that one of the final caveats for the maps is that “Fisheries and fisheries data are complex and there are many options for mapping fishing activity, each with strengths and weaknesses. These maps are intended as a starting point to help target and guide direct engagement and consultation with specific affected fishing communities during diverse ocean planning, permitting and management decision making processes.”

Mid-Atlantic Ocean Portal

Example Maps 

Bottom Trawl <65ft 2011-2013 that shows South Bristol and Gloucester fishing the same area.

Gillnet 2011-2013 – shows where gillnetting occurs in the waters off of Portland. Note that even though this area is close to Maine, fishermen from both Gloucester and New Bedford MA also fish this area. 

Dredge 2011-2013 – This map shows vessels from Portland and Port Clyde fishing for scallops in the same area that is south of Portland. These are the same fishing grounds as shown in the gillnet map, but fishermen are fishing with different types of gear there. 

Lobster 2011-2013 – shows little lobster fishing activity off the Maine coast, and in fact identifies fishing vessels from New Hampshire as being the only ones fishing off of eastern Maine. This is because most lobstermen in Maine are not required to fill out VTRs for their fishing, even if they have a federal lobster permit. VTRs are only filled out by those who have a federal lobster permit as well as a permit for another fishery attached to their boat. 

Seine – 2011-2013 – this shows vessels that are seining, a common method of catching herring. 

Seine -2011-2013 overlaid with Herring VMS – this map is a combination of VMS and VTR data. The VMS data includes both seine vessels as well as mid-water trawlers, but you can see that both maps indicate areas of greater fishing activity south of Mount Desert Island.

Additional Resources: