Landscapes - People - Global change

Category: cultural landscapes (Page 1 of 13)

New paper: Are apartment residents likely to be affected by changes to coastal infrastructure?

Venn diagram to show intersections of benefit from dykeland, dyke and tidal wetland.

Dykes (often used as trails) seem to be the vector for benefits apartment residents receive.

Back when we surveyed residents around the Minas Basin for Sam Howard’s MES thesis, the sampling frame we used limited us to those living in standalone houses. Subsequent discussions led us to use a different approach to try to reach those using in multi-unit dwellings such as apartments. Today, the paper from that follow-up work is available open access in Facets, Apartment residents are important stakeholders in managed dyke realignment around the Bay of Fundy: landscape benefits, preferences, and complementarity. Thanks to Sam, postdocs Brooke McWherter and Lara Cornejo, and MI/MREM Alex Legault, we found an interesting story in this side-of-the-desk work. We couldn’t find any work on ecosystem services involving rural apartment residents, so feel that this fills an important gap, especially as housing challenges mean even rural coasts vulnerable to climate change are densifying. Here is a plain-language summary:

Apartments and dykeland trails near Wolfville

It is not very common for those who live in apartment buildings to be targeted in research or consultation about landscape change. Some of the reasons for that omission are practical, such as building security. But especially since COVID lockdown, where those in houses with yards had such different opportunities than those in apartments, we need to pay special attention to apartment residents when making policy decisions. Decisions about how to adapt to climate change can affect apartment residents, too. We surveyed apartment residents around the Minas Basin of the Bay of Fundy, in Nova Scotia, Canada, to see how they used some of the coastal landscapes facing change: agricultural dykes and dykelands, and tidal wetlands. Because of higher seas and bigger storms, some of the dykes may need to be rebuilt further inland, meaning less dykeland and more tidal wetland.

We heard from 2% (168) of apartment residents who received the survey. Many of the respondents were keen and frequent users of the coastal landscapes. All three landscapes were most highly valued for opportunities to enjoy nature. Some agricultural dykes form part of popular public trail systems. The dyke trails often run between agricultural land and tidal wetland, so those enjoying the trails see nature attracted to both at the same time. The three landscapes were also reported by apartment residents as providing opportunities to reflect and feel at home. Some other benefits were associated only with one or two landscapes. For instance, the dykes were associated with safety, because of their role holding back seawater. The dykes and dykelands were associated with being active and social, and the dykes and tidal wetlands were most associated with learning or teaching. It is clear, however, that it is the dyke that enables the benefits from all three by providing an access route.

So when it comes to possible adaptation options, it was not surprising to us that the most preferred option, of the three presented, was building new dykes higher back and restoring wetland in front (something called ‘managed dyke realignment’). That option would likely retain the continuity of dyke that allows public access and keep all three landscapes together, the way respondents like them. That option was more popular than raising the height of dykes where they are, since respondents seemed to understand the engineering viability of this option was likely low, and the costs and risks of dyke breach likely high. One wonders if the higher vantage point gives coastal apartment residents a different perspective on the challenges faced by coastal infrastructure.

When comparing the results of this study with other surveys and studies in the region (one of them with house residents), we concluded that apartment residents are very important to involve in coastal decision-making. This is important in rural areas, where apartments may be seen as less common than in cities but are increasing due to the housing crisis. Apartment residents may rely more than those with private yards upon public coastal spaces for their well-being.

Fundy Monday

The marquee at the Al Whittle Theatre shows Fundy Monday on the bill

This past Monday we culminated the Bay of Fundy Dykeland case study of NSERC ResNet with a big-screen near-full-house showing of our new short documentary, Sea, Soil, and Soul: The Evolving Bay of Fundy Coastline. It was magic to show it at the lovely Al Whittle Theatre, right behind where my own segments were filmed on the Bishop-Beckwith marshland. This ten-minute video was flanked by an optional survey, so we could understand how it was received, and followed by a great conversation chaired by ResNet principal investigator and documentary producer, Elena Bennett. The star of the movie and the show was Don Webster, a dykeland farmer in the Belcher Street area who sold land so that a section of his marsh could be restored to tidal wetland. Danika van Proosdij of Saint Mary’s and TransCoastal Adaptations, Tony Bowron of CBWES and TransCoastal, and I were also panelists. It was wonderful to see ResNet student alum and partners showing up to celebrate with us, and to have such an engaged group to ask questions. The audience showed such clear love and concern for their dykeland landscapes, and had a strong appetite for information to help them understand its future. Thanks to postdoc emcee Elson Galang, MES assistant Bethany Poltl, the folks from TransCoastal, from the Apple Blossom Festival (we were its final event) and from the theatre itself, for the successful event. Action shots to follow soon.

Late addition: Thanks to Wendy Elliott for the great review in the Annapolis Valley Register: Documentary on evolving Bay of Fundy coastline a fascinating watch. https://www.saltwire.com/nova-scotia/annapolis-valley/wendy-elliott-documentary-on-evolving-bay-of-fundy-coastline-a-fascinating-watch

Ive Velikova at TransCoastal Adaptations also wrote a nice blog post about it.

Nearly a full house at the Al Whittle Theatre for Fundy Monday

ResNet doco premiere at BOFEP

Panelists and ResNet alum at the BOFEP/ACCESS event May 20, Sackville, NB

After seven years, dozens of graduate students and rich interdisciplinary and intersectoral engagement, NSERC ResNet winds up next month. In ‘landscape 1’ (L1), the Bay of Fundy dykeland and tidal wetland case study, we are seeing it off in style. Thanks to the Bay of Fundy Ecosystem Partnership (BOFEP) and the Atlantic Canada Coastal & Estuarine Science Society (ACCESS) for letting us premiere our new L1 documentary about the changing Bay of Fundy coast during their town hall event. It looked great on the big screen – kudos to director Mark Wyatt and PI/producer Elena Bennett. A great panel with Danika van Proosdij, Brittany Roughan, Alex Legault and Elson Galang followed the screening, reflecting on the project and its takeaways. The audience had some great engagement, and headed away with some of our limited edition ResNet swag. Lovely to see some program alumna there, too. The next screening will be at the Al Whittle Theatre in Wolfville on June 1. There are still a few tickets available.

Two new papers out today

I have never had two papers out on the same day, I don’t think. But if I did, I doubt those two announcements turned up as subsequent emails in my inbox. But that is what happened today. At 11:16 am I received word that PDF Elson Galang’s first Dal-affiliated paper was published in Canadian Geographies, a viewpoint called The Agricultural Heritage System framework for collaborative environmental governance: A case for the Bay of Fundy’s dykelands and foreshore marshes. This was followed by an email with the exact same 11:16 timestamp, telling me that former visiting PhD student Qiqi Zhao’s long-awaited paper in Land Use Policy was published, a paper based on her work in China called Exploring the influence of future land use changes on the cultural ecosystem services in a fast-developing region. These papers could hardly be more different in terms of method but have substantive alignment. The first is a conceptual piece about the complementarity of the dykeland and foreshore marsh landscapes in the Bay of Fundy region, and how the Agricultural Heritage System framework can help us manage it for its diverse values (see below). This encourages conversations about synergies rather than a focus on trade-offs (though we’ve done plenty of trade-off research in ResNet). The second paper is a modelling-heavy analysis of cultural ecosystem service (CES) supply in Nanjing under a range of urbanization scenarios, which involves a lot of consideration of trade-offs. However, all CES were maximized in the Nanjing case under the ecological protection scenario. Congratulations to Elson and Qiqi, and their respective teams.

Conceptual diagram recasting the Bay of Fund's dykelands and foreshore marshes as a complementary landscape and as an agricultural heritage system.

Conceptual diagram recasting the Bay of Fundy’s dykelands and foreshore marshes as a complementary landscape and as an agricultural heritage system.

In ES terms complementarity (as we recently coined here) is distinct from multifunctionality. Multifunctionality in the ecosystem services literature describes situations where one ecosystem or landscape type provides a range of benefits, i.e., provides many functions. When a landscape is seen to have a primary purpose these other benefits are often called co-benefits, for instance recreation co-benefits provided by a protective dykes. Sometimes the set of services that tend to occur together this way might be called a bundle. But what we have been seeing in the dykeland system is that it is the three landscapes–dykelands, dykes and foreshore tidal wetlands–that seem to form a bundle to provide services together, particularly CES. This is how complementarity manifests, when value is not simply an aggregate of services from individual landscapes, but benefits that arise from perceiving landscape elements as a whole gestalt landscape that elements may not produce. Modelling work like that in the second paper often doesn’t tend to address things like the importance of adjacency of landscapes and the idea that services may emerge from combinations that do not occur when those landscapes are in isolation. However, if the CES delivery was optimized for Nanjing under a restoration scenario, perhaps there is a seed of complementarity emerging there as well, but it would require additional modelling work including adjacency to say for sure.

Congratulations Dr. Margeson!

Keahna Margeson’s hybrid examining committee

Absolutely delighted to introduce Dr. Keahna Margeson, after a stellar defense of her Interdisciplinary PhD dissertation, Using Comparative Social Impact Assessment to Understand Resistance and Support for Causeway Removal and Tidal River Restoration . Defenses aren’t recorded, but if it had been, it would have been a great training tool. Thanks to Dr. Guadalupe Ortiz Noguera for serving as such an insightful external reviewer,  and to Wenda Greer, Helena Martel, and Peter Tyedmers for chairing, organizing and repping the IDPhD (and photography), respectively. Massive gratitude to Keahna, her committee and co-supervisor for a wonderful 4.5-year collaboration. Thanks to so many of the lab for coming along to support Keahna, and especially Elson for bringing the party. The occasion has made the whole week shine.

The defense audience (after we put the bubbly stuff out of view)

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