Latest / How To Protect The Ocean / Are all protected areas in the ocean equal? A study on the bonus species protection
Transcript
- 0:00How important are protected areas?
- 0:02That's what we're gonna
- 0:03talk about on today's episode
- 0:04of the How to Protect the Ocean podcast,
- 0:05because there's been a
- 0:06new study that came out
- 0:07talking about certain protected areas
- 0:09that are better than others,
- 0:10that have unintended positive impacts
- 0:13on a specific area that's protected
- 0:15that is beyond what is protected for.
- 0:17We're gonna talk about
- 0:18all this on this episode
- 0:19of the How to Protect the Ocean podcast.
- 0:21Let's start the show.
- 0:23(upbeat music)
- 0:27Hey everybody, welcome back
- 0:27to another exciting episode
- 0:29of the How to Protect the Ocean podcast.
- 0:30I'm your host, Andrew Lewin,
- 0:31and this is the
- 0:32podcast where you find out
- 0:32what's happening with the ocean,
- 0:33how you can speak up for the ocean,
- 0:35and what you can do to
- 0:36live for a better ocean
- 0:37by taking action.
- 0:38And on today's episode,
- 0:39we're gonna be talking
- 0:39about protected areas,
- 0:40one of my favorite topics,
- 0:41because if you don't know me by now,
- 0:43I have a master's in
- 0:44looking at marine protected areas
- 0:46on the East Coast of Nova Scotia,
- 0:49which is where this
- 0:50study kind of talks about,
- 0:52not necessarily Nova Scotia,
- 0:53but in the Gulf of St.
- 0:54Lawrence, in the St. Lawrence area.
- 0:56We looked at this study called
- 0:57Assessing Indirect Biodiversity
- 0:59Conservation Benefits
- 1:01of Fisheries Closures in the
- 1:02Gulf of St. Lawrence, Canada,
- 1:05talks about protected areas
- 1:06and how some protected areas
- 1:08have an alternative benefit
- 1:10to them, even though it
- 1:11wasn't the primary role
- 1:12that they were protected for.
- 1:14We're gonna talk all
- 1:14about protected areas,
- 1:15not to worry, just wanna introduce that.
- 1:17But if you're new to ocean conservation
- 1:19and you wanna know how to
- 1:20protect the ocean further,
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- 1:26you can just go down onto this channel
- 1:27and you'll be able to
- 1:28see all the other episodes,
- 1:29or you can go over to SpeakUpForBlue.com,
- 1:32where we have all the things that are
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- 1:53All right, let's get into the episode.
- 1:55Look, protected areas are important.
- 1:57We know that protected areas
- 1:58protect and keep biodiversity
- 2:01and fisheries intact.
- 2:04That's what it's best for.
- 2:05And what it is
- 2:05essentially is an area in the ocean
- 2:08that has these sort of translucent
- 2:10imaginary boundaries
- 2:12because there's nothing physical
- 2:13that's stopping people from being there,
- 2:14but it's a designated area that takes
- 2:16away a specific thing.
- 2:19So a specific
- 2:19normally extractive process.
- 2:21So you can't drill oil and gas.
- 2:23You can't use fishery.
- 2:24You can't fish in the area,
- 2:25commercial or recreational.
- 2:27Sometimes people can't go there for
- 2:28recreational purposes.
- 2:29And there's some that are Marine reserves
- 2:30where you can't do anything at all.
- 2:33Not even scientific research.
- 2:34There are Marine protected
- 2:35areas all over the world.
- 2:38And there are different definitions on
- 2:39specific protected areas.
- 2:41The ones that we're going to be talking
- 2:42about today are called other effective
- 2:45area based conservation
- 2:46measures, also known as OECMs.
- 2:49Look, scientists, we love our acronyms.
- 2:51So this one is OECMs.
- 2:53You're going to notice as
- 2:54an other protected area.
- 2:56It's an effective area
- 2:57based conservation measure.
- 2:59Okay. But we have also
- 3:00Marine protected areas, MPAs.
- 3:03And the biggest difference between those
- 3:05is OECMs are areas that achieve
- 3:07conservation outcomes
- 3:08as a byproduct of other
- 3:10management objectives.
- 3:11So if the original management objective
- 3:13was fisheries closures,
- 3:15well then biodiversity is protected
- 3:16because of those fisheries closures.
- 3:18And we're going to talk
- 3:18about that on today's episode,
- 3:20because that's the subject really that
- 3:21we're talking about.
- 3:22MPAs are legally designated to protect
- 3:24Marine biodiversity and
- 3:26ecosystems as a primary goal.
- 3:29So right off the bat,
- 3:30that's what they're doing.
- 3:31Okay. The main purpose of an OECM is not
- 3:33necessarily to
- 3:33establish for conservation,
- 3:35but provide incidental
- 3:36biodiversity protection.
- 3:37So they could be a fisheries closure or
- 3:39it could be an indigenous managed area.
- 3:42Okay. Or it could be something that's
- 3:43culturally significant,
- 3:44like a boat that sank a while ago and is
- 3:46historically important to people.
- 3:49For MPAs, the main purpose is
- 3:50specifically created to protect marine
- 3:52habitats, species and ecosystems under
- 3:55formal conservation laws.
- 3:57These are MPAs, you cannot go in them
- 3:59like OECMs, other effective area based
- 4:01conservation measures.
- 4:02These are for other purposes, but they
- 4:04have a byproduct impact,
- 4:06which is a great impact.
- 4:07Okay. So let's look at this study.
- 4:10This is a great study is
- 4:11on PLS01, which we love.
- 4:13You can say plus one.
- 4:14I'd say PLS01.
- 4:16This is one of the
- 4:17journals that is open access.
- 4:19It's available to everybody.
- 4:21And what this article on PLS01 did was
- 4:23how these OECMs contribute to
- 4:26biodiversity conservation beyond their
- 4:28primary objective of
- 4:29protecting target areas.
- 4:30The study focuses 11 OECMs in the Gulf of
- 4:33St. Lawrence, Canada, and assesses their
- 4:35indirect benefits to commercial and
- 4:37ecologically important species.
- 4:39So here's some of the
- 4:40key points and findings.
- 4:41So the background on OECMs and
- 4:43conservation goals is that this is where
- 4:45the OECMs are areas where biodiversity
- 4:47conservation occurs as a byproduct.
- 4:49Right. We talked about this of management
- 4:51activities rather than the primary
- 4:53objective, which is like a marine
- 4:54protected area or things like that.
- 4:55The study examines whether OECMs
- 4:58originally established for fisheries
- 4:59management also provide indirect benefits
- 5:01by protecting critical habitats for other
- 5:04species, therefore
- 5:05maintaining biodiversity.
- 5:07So the Gulf of St. Lawrence is a highly
- 5:09productive marine ecosystem with
- 5:10important commercial fisheries and making
- 5:12a relevant area for this assessment.
- 5:14So here's what they looked at.
- 5:16They looked at a spatial
- 5:17analysis overlap, right?
- 5:19So they looked at how to evaluate whether
- 5:21these OECMs coincided with important
- 5:23habitats such as spawning or juvenile
- 5:25habitats of Atlantic halibut, Greenland
- 5:28halibut and redfish.
- 5:30Three key fish species
- 5:31that are in these areas.
- 5:33The study used species distribution
- 5:35models and habitat suitability maps to
- 5:37determine if closures overlapped with
- 5:39essential fish habitat.
- 5:41So this is really important because when
- 5:43you have these fisheries management
- 5:44areas, these are areas that they close
- 5:46down for certain times of the year or all
- 5:47year round, depending on the OECM.
- 5:49And they are there to protect these fish.
- 5:52That's what they're there to
- 5:53do for that fishing purpose.
- 5:55So it could be for Atlantic halibut,
- 5:56Greenland halibut and redfish or just one
- 5:59of those species or
- 6:00just two of those species.
- 6:01It depends on the area.
- 6:02There's 11 of them.
- 6:03They all have different criteria.
- 6:05Now, if there are special areas for other
- 6:08species beyond the three or even for
- 6:10others, so say that one area is protected
- 6:12for Atlantic halibut, but there are
- 6:14Greenland halibut there in the area
- 6:15that's a spawning area or juvenile
- 6:17habitat that's within those boundaries
- 6:20that will also be protected.
- 6:21Almost like an umbrella species that we
- 6:24talk about in conservation.
- 6:25So when you have an umbrella species like
- 6:27a whale, you protect that whale and you
- 6:28protect everything that's under that
- 6:30whale, all the habitat that's below that.
- 6:32Well, you're doing the same thing.
- 6:33You have this fisheries management
- 6:34closure in this specific area and
- 6:36everything that's found underneath is a
- 6:39bonus protection, right?
- 6:40So if it's a spawning area, it's bonus.
- 6:42If it's an overlapping juvenile habitat
- 6:44area, that's bonus too, because you're
- 6:46protecting the other species that are in
- 6:48the area and that's always helpful.
- 6:50So that's what we're talking about here
- 6:52when we talk about what's overlapped with
- 6:55this potential areas, the OECMs.
- 6:57That's a big thing.
- 6:57So the main find is eight out of the 11
- 6:59OECMs overlapped with
- 7:01potential spawning habitats.
- 7:03How do they know this?
- 7:04I talked about it
- 7:05earlier, habitat suitability map.
- 7:06So what we're looking at is what is good
- 7:09for like we have all these three species.
- 7:11What do they like?
- 7:12What type of habitats do they like?
- 7:14We kind of have these
- 7:15criteria that we look at.
- 7:16We look at depth.
- 7:17We look at substrate.
- 7:18We look at salinity.
- 7:20We look at temperature.
- 7:21And if those vary within the Gulf of
- 7:23Mexico, which they usually do, then we
- 7:25look at these special
- 7:26areas and what is found there.
- 7:27And we just correlate those together.
- 7:29And if those species are found there over
- 7:31and over and over again, year after year
- 7:33after year, then we
- 7:33say, Hey, you know what?
- 7:34They may like this area so much that if
- 7:36there's another area around there, that
- 7:38might be another important area.
- 7:40So some of these suitability maps were
- 7:41used to identify specific areas that may
- 7:44be good for another species.
- 7:46And that's how these
- 7:47suitability maps are used.
- 7:48Okay.
- 7:49So the findings suggest that despite
- 7:51their original purpose, which is
- 7:52protecting certain species like snow
- 7:54crab, so not even Atlantic halibut,
- 7:56Greenland halibut or redfish, the OECMs
- 7:59may have unintended conservation benefits
- 8:01for other marine species.
- 8:03The study highlights the value of
- 8:05integrating fisheries management with
- 8:07conservation objectives, demonstrating
- 8:09that a well-placed fisheries closure can
- 8:11contribute to a broader
- 8:12biodiversity protection.
- 8:14And the authors recommend considering
- 8:15using indirect conservation benefits when
- 8:18evaluating these
- 8:18effectiveness of the OECM.
- 8:20So this is what happens is we always want
- 8:22marine protected areas
- 8:23because those are legally binding.
- 8:25For Canada, especially when we talk about
- 8:26the Gulf of St. Lawrence, this is a Gulf
- 8:28that is enshrined in Canadian waters.
- 8:31And so we want to make
- 8:31sure that we protect these.
- 8:33So marine protected areas
- 8:33are probably your benefit.
- 8:35But then you have OECMs.
- 8:36These other protected areas that have
- 8:38unintended impacts, like positive impacts
- 8:40on other species, there may not be
- 8:42completely legally binding,
- 8:44but they're important because if you
- 8:45protect them from fisheries, you're
- 8:46probably protecting whatever habitat
- 8:48that's under there, whether it's a
- 8:49spawning habitat or something else.
- 8:51So having these in your conservation
- 8:53strategy might be best.
- 8:54You may not be able to get an MPA status,
- 8:57but you could get an OECM status and then
- 9:00protect everything that's underneath
- 9:01that, which may even
- 9:03say, hey, you know what?
- 9:04We should make these OECMs even bigger
- 9:07because we can include more habitats that
- 9:09we didn't know that
- 9:09were there beforehand.
- 9:11So when you go into these OECMs, you're
- 9:13like, this is a fisheries closure.
- 9:14What else can we protect under here?
- 9:16How can we design these boundaries that
- 9:18will actually protect everything?
- 9:19And when you protect biodiversity, it's
- 9:21really important because biodiversity
- 9:23means stability of the
- 9:25ocean in that particular area.
- 9:27If you don't have high biodiversity, you
- 9:29don't have great stability.
- 9:30And that can change a system that can
- 9:32flip a system into something that's
- 9:33different that can affect fisheries, that
- 9:35can affect tourism, that can affect just
- 9:37the overall health of the ocean and the
- 9:39quality of the ocean.
- 9:40So for instance, if you think of a coral
- 9:42reef, if you lose a lot of algae eating
- 9:45fish that keep algae off the corals, then
- 9:47you can lose a lot of those corals based
- 9:49on algae growth and increased sunlight,
- 9:52increased sea surface temperature.
- 9:53And then the diversity is going to
- 9:54decrease because there's not going to be
- 9:56a coral reef in that area because the
- 9:58fish just disappear.
- 10:00The coral reefs can't stop the algae from
- 10:02overgrowing and all the other fish that
- 10:03depend on these corals to live and for
- 10:06hiding spots and everything, they just
- 10:07don't have anything to be there for.
- 10:08So you get eaten or they leave or they
- 10:10die off and nothing these
- 10:11species don't want to be there.
- 10:13So you get this degradation of a habitat.
- 10:15So I'm talking about the
- 10:16health of an actual habitat.
- 10:18So what we wanted to look at is how can
- 10:20we put this into marine
- 10:22conservation and policies?
- 10:23This study supports the growing
- 10:25recognition that OECMs are an important
- 10:27conservation tool that can complement
- 10:29marine protected areas.
- 10:30They don't always have to
- 10:31be marine protected areas.
- 10:32To get a marine protected area
- 10:33established in Canada or even the world,
- 10:35it is very difficult.
- 10:37It takes a long time.
- 10:38It has to go through a specific process.
- 10:40It could be very, very long before you
- 10:42can get an MPA status.
- 10:44And sometimes you may not be able to get
- 10:46it in time to protect what
- 10:47you're trying to protect.
- 10:48It also suggests that OECM should be
- 10:50formally recognized in
- 10:51conservation strategies.
- 10:53I think this is something that's not
- 10:54taking as seriously as we hope and as
- 10:56they can contribute to the international
- 10:57biodiversity targets such as a convention
- 10:59of biological
- 11:00diversity's 30 by 30 target.
- 11:02Now, here's where we have to be careful.
- 11:04We want MPAs because MPAs under the
- 11:06definition have no
- 11:07extractive processes in the MPA.
- 11:09OECMs have something different.
- 11:11They may be closed for fisheries
- 11:13management, but they may be
- 11:14open to oil and gas drilling.
- 11:16We don't know or mining.
- 11:17We have no idea, right?
- 11:19So there can be other things
- 11:20that happen within that area.
- 11:22But an MPA under the definition, IUCN
- 11:25definition is like, don't touch.
- 11:27That's it.
- 11:27We are not touching it at all.
- 11:29Nobody can do anything.
- 11:30Nothing extractive.
- 11:31Don't even go in there.
- 11:32So we have to be careful when we start
- 11:34proposing that these OECMs be a part of
- 11:36the strategy because this is where we
- 11:38were at before the MPA strategy used to
- 11:40be that you can still drill
- 11:42for oil if they so desired.
- 11:43If the companies that had those leases so
- 11:45desired now that's frowned upon.
- 11:47You don't do that.
- 11:47I don't think you can even do that.
- 11:49When you go to look at OECMs, you can do
- 11:51other extractive processes, which are
- 11:52pretty much not be good for that OECM.
- 11:55So we do have to be careful with that.
- 11:57But policymakers should adopt a more
- 11:59holistic approach when assessing
- 12:00conservation effectiveness.
- 12:01So not just MPAs, look at OECMs and look
- 12:04at what else they're protecting,
- 12:05considering not only direct protections,
- 12:07but also indirect ecosystem benefits.
- 12:10Essentially, what we're talking about
- 12:11here is that fisheries closures within
- 12:13OECM can have a significant biodiversity
- 12:15benefits beyond their initial goals,
- 12:18reinforcing the needs to integrate OECMs
- 12:20into broader conservation planning.
- 12:22That's what this study says.
- 12:23I don't completely agree with it, but you
- 12:25can never go wrong with
- 12:26another protected area.
- 12:27It underscores the importance of spatial
- 12:28planning in marine ecosystems.
- 12:30Spatial planning essentially is taking a
- 12:32business plan and
- 12:33putting it into the ocean.
- 12:34It's what we do on land all the time.
- 12:36We have green zones.
- 12:37We have industrial zones.
- 12:38We have residential areas.
- 12:39It's all spatially planned.
- 12:41We should do that with the ocean with the
- 12:42amount of different users we have oil and
- 12:44gas, recreation, commercial fishing and
- 12:47other commercial like
- 12:47shipping and so forth.
- 12:48So many conflicting uses that we need to
- 12:51plan that all out to make sure that
- 12:53certain areas are
- 12:53designated for certain things.
- 12:55That's what we want to do.
- 12:56But it's basically that kind of plan.
- 12:58So it underscores the importance of
- 12:59spatial planning and marine ecosystems
- 13:01and the need for adaptive management
- 13:03approaches that can recognize the
- 13:04multiple benefits of
- 13:05area based protections.
- 13:07Adaptive management is the key to
- 13:09figuring out management
- 13:10now and in the future.
- 13:12Adaptive management is
- 13:12essentially what it sounds like.
- 13:14You adapt to what happens in that area.
- 13:16If something changes or the water quality
- 13:18changes or the sea surface temperature
- 13:20changes or something else happens, then
- 13:23you have to adapt to that and you have to
- 13:24adapt your policies to match what's
- 13:27happening to a future.
- 13:27So you have to
- 13:28effectively manage that area.
- 13:29So that's essentially what it is.
- 13:30It's just every year, every five years
- 13:32you look back and say, what's changed and
- 13:34do we need to change our
- 13:35policies in regards to that?
- 13:37That's essentially the episode.
- 13:39It's a pretty cool study.
- 13:40I really like what I read on there.
- 13:41I'll put the link in the show notes so
- 13:43you can get access to that.
- 13:44But if you have any questions or comments
- 13:46on this, I would love to hear from you.
- 13:47You can hit me up on Instagram DM me at
- 13:49how to protect the ocean.
- 13:50That's at how to protect the ocean.
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- 13:57see my pretty little face.
- 13:59I'm just kidding.
- 14:00But yeah, you can go there on YouTube.
- 14:01You can also see the video on Spotify and
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- 14:07I want to thank you and don't forget you
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- 14:13Go to speak up from blue.com.
- 14:15And I want to thank you so much for
- 14:16joining me on today's episode of the how
- 14:18to protect the ocean podcast.
- 14:19I'm your host, Andrew Lewin from the true
- 14:20North strong and free.
- 14:21Have a great day.
- 14:22We'll talk to you next
- 14:23time and happy conservation.