The Importance of Preserving Functional Links
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MONTÉRÉGIE CONNECTION © CENTRE DE LA NATURE DU MONT SAINT-HILAIRE The importance of preserving functional links Drs Elena Bennett, Andrew Gonzalez, and Martin Lechowicz refl ect on their work blending ecosystem services, biodiversity and landscape connectivity, and how this collaborative effort is supporting a signifi cant step change in land use planning perspectives on managing the expanding perimeter of metropolitan regions Can you describe the innovative conceptual framework for interactions between land use, biodiversity and ecosystem services that you are developing? Our framework begins with land use, especially its spatial pattern, and how changes in the confi guration of land use types affects the maintenance of biodiversity and the provision of ecosystem services. There is a wealth of science showing that landscape structure can infl uence both biodiversity and ecosystem function. Landscape structure relates to both composition – the different types of habitat present and their The more pressing defi ciencies are in the level making. Finally, training a large team of post- relative proportions, and confi guration – the of knowledge about ecosystem health and doctoral collaborators, students and technicians spatial arrangement of these habitats. Likewise, ecosystem services and in the availability of to work more directly with stakeholders is there is a great deal of science indicating that tools for analysis of the impacts of planning something we are very proud of. biodiversity and ecosystem function infl uence decisions on each of these. The Montérégie the provision of ecosystem services. Our Connection initiative seeks to increase How do you see the project developing in framework combines these notions, leading to awareness of ecosystem services and to begin the future? the idea that the management of the spatial to develop tools that can be used by decision structure of the landscape, such as protecting makers involved in landscape management at We hope we will make a substantial or establishing habitat corridors, can maintain the municipal and regional level. Related to contribution to the design and implementation the functional links between biodiversity this, our approach of involving communities in of a green corridor surrounding Montreal, and ecosystems services required for human developing the questions and generating the and we have been in contact the Montreal wellbeing. answers is key to improving the use of relevant Metropolitan Committee about their plans to information. This makes it a true collaboration develop a greenbelt for Montreal. Our vision of How will your approach help to improve among scientists and stakeholders, and less of a an ecological network and the science that we the delivery and provision of data to delivery of data approach. are developing might be able to help plan what communities managing ecosystem services? this greenbelt could look like. We currently have What have been the biggest projects on green networks (forests), and blue There are two issues in play here – the provision accomplishments in this work to date? networks (waterways). In the future, we hope of data and the appreciation of how to use to develop networks that incorporate both data to develop and evaluate alternative First, we have established broad partnerships blue and green corridors and take into account planning scenarios. Acquiring, vetting and with local and regional stakeholders, and interactions among the two. We also hope to making data readily available that is relevant are especially proud of the way we have further develop the historical aspects of the to landscape management is expensive – incorporated them into the process of project. Understanding how long-term legacies individual towns depend on government developing knowledge. Second, we have of past land use affect the services provided by investments in monitoring climate, water developed a new conceptual framework landscapes today is key and has not yet been quality, soils, hydrology, land use, etc. There linking the structure of the landscape through conducted scientifi cally. We will work with is, and probably always will be, too little biodiversity with the provision of ecosystem other scientifi c groups internationally, who are site-specifi c data for certain variables relevant services. Third, an important step is the interested in the next generation of ecosystem to landscape management but on the other consideration of multiple ecosystem services in services models designed to make optimal hand there is enough to support objective a model framework so that communities can decisions about landscape management for analysis of alternative planning scenarios. consider trade-offs and synergies in decision- ecological and social benefi ts. 32 INTERNATIONAL INNOVATION © MATTHEW MITCHELL Innovative scenario- MONTÉRÉGIE CONNECTION based land use models McGill University researchers are pioneering land planning tools to support improved decision-making in peri-urban and agricultural environments to encourage effective strategies for sustainable landscape management by paying attention to the links between biodiversity and ecosystem services BIODIVERSITY AND ECOSYSTEMS have a Nature Reserve and Professor of Biology. Dr wide range of functions and deliver services Jeff Cardille of the Department of Natural that are essential for human wellbeing. Many Resource Sciences and Dr Jeanine Rhemtulla of ecosystem services directly benefi t people, such the Department of Geography completed the as the provision of food and fresh water, while team. Using the Montérégie as a test bed, these Hilaire Nature Centre, other benefi ts are indirect, such as the capture biologists and geographers are collaborating to an NGO with which of carbon dioxide by plants or the prevention develop approaches and tools that can improve the university closely of soil erosion. As landscapes around the world regional landscape planning for sustainability in collaborates, local towns are transformed and modifi ed, both biodiversity metropolitan regions. gradually became open to and ecosystem services are placed under a more proactive decision- growing pressure. The Montérégie Connection making and management MANAGING CONNECTIVITY initiative arose in response to the increasing process for regional land use. FOR SUSTAINABLE LANDSCAPES awareness that a dual focus on biodiversity and The need for scientifi cally ecosystem services can promote sustainable Their approach is rooted in the hypothesis that sound models that could landscape management. changes to landscape confi guration, and in help communities explicitly particular the connectivity of forest patches, not consider biodiversity, The Montérégie Connection is a research only affect biodiversity but also the processes recreation, carbon storage, initiative based in the region around Montréal underpinning the ecosystem services that nutrient cycling, and related factors in southern Québec, Canada that is under people depend upon in the Montérégie. The in their planning soon became apparent. “The pressure from urban sprawl as well as climate team is characterising forest fragmentation and Montérégie Connection arose as a research change. Agriculture, urbanisation and road mapping the spatial distribution of biodiversity collaboration to develop interactive models development have greatly fragmented the and diverse ecosystem services on this regional that could help communities incorporate region, driven biodiversity loss, and diminished landscape. Mathematical models, fi eld surveys biodiversity and ecosystem services into their the supply of many ecosystem services. and experiments demonstrate that connectivity planning, to ensure they were resilient to the Three researchers at McGill University came is a key component of the landscape that challenges to be faced in the future, including together to develop novel approaches to land maintains biodiversity and ecosystem services. climate change and global economic changes,” planning in the Montérégie: Dr Elena Bennett, They are drawing on these results to design an explains Bennett. Associate Professor at the McGill School of ecological network composed of forest patches Environment and the Department of Natural and corridors that can be embedded within Because the future of the Montérégie will be Resource Sciences; Dr Andrew Gonzalez, a proposed greenbelt around Montréal. As determined by a wide array of organisations Director of the Quebec Centre for Biodiversity Gonzalez summarises: “The forest connectivity across a large area, it was clear to the collaborators Science and Professor of Biology; and Dr Martin re-established by this ecological network that effective sustainable management would Lechowicz, Director of the university’s Gault is expected to improve the resilience of the require input and action from all the regional landscape by maintaining stakeholders. “Scientifi cally, we came from a biodiversity, helping view of managing and protecting landscapes. populations to adapt, and In this particular region, we were seeing forest ecosystems to reorganise loss, fragmentation, changing landscapes, under climate change”. alongside a growing interest in environment,” elaborates Lechowicz. “The situation seemed The inspiration for the ripe for science that could make a difference.” Montérégie Connection Their initial work, which investigated ways to started in the late-1990s reconnect isolated pockets of forest, helped to when the ecological create new perspectives on land use