Assessing land-use change and landscape connectivity under multiple green infrastructure conservation scenarios

Ecological Indicators, Journal Year: 2022, Volume and Issue: 142, P. 109236 - 109236

Published: July 30, 2022

Language: Английский

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Advances and challenges in ecological connectivity science

Ecology and Evolution, Journal Year: 2024, Volume and Issue: 14(9)

Published: Sept. 1, 2024

Maintaining and restoring ecological connectivity will be key in helping to prevent reverse the loss of biodiversity. Fortunately, a growing body research conducted over last few decades has advanced our understanding science, which help inform evidence-based conservation actions. Increases data availability computing capacity have helped dramatically increase ability model functional using more sophisticated models. Keeping track these advances can difficult, even for scientists practitioners. In this article, we highlight some from past decade outline many remaining challenges. We describe efforts biological realism models by, example, isolating movement behaviors, population parameters, directional movements, effects climate change. also discuss considerations when focal or multiple species. Finally, reflect on how account uncertainty transparency reproducibility situations where decisions may require forgoing sophistication simple approaches.

Language: Английский

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Concilier sécurité routière et connectivité écologique : le cas de l’autoroute 85

Le Naturaliste canadien, Journal Year: 2025, Volume and Issue: 149(1), P. 20 - 27

Published: Jan. 1, 2025

Depuis sa construction, la route 185 reliant ville de Rivière-du-Loup au Nouveau-Brunswick est connue pour ses enjeux sécurité routière. Afin d’y remédier, le ministère des Transports et Mobilité durable (MTMD) a entrepris, début années 2000, réaménagement en autoroute 85. L’autoroute 85 située dans secteur Trois-Frontières, territoire reconnu comme étant névralgique connectivité écologique nord-est Appalaches situé à jonction du Québec, Maine Nouveau-Brunswick. En vue limiter risque collision avec faune d’atténuer les répercussions projet sur écologique, MTMD entrepris collaborer divers acteurs milieu conception phase 3 projet. La mise place clôtures d’exclusion grande jumelée l’instauration passages fauniques été identifiée principale mesure assurer fois usagers maintien connectivité. Une collaboration l’organisme Horizon-Nature Bas-Saint-Laurent (HNBSL) ensuite permis l’intégration ces infrastructures aménagements un réseau corridors écologiques afin préserver entre ravage cerfs Virginie Pohénégamook, parc national Lac-Témiscouata réserve faunique Duchénier. concertation actions menées par HNBSL contribuent milieux naturels part d’autre fauniques. Enfin, ce texte expose l’importance diverses collaborations sein différentes étapes celui l’autoroute

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The value of considering demographic contributions to connectivity: a review

Ecography, Journal Year: 2021, Volume and Issue: 2022(6)

Published: June 24, 2021

Connectivity is a central concept in ecology, wildlife management, and conservation science. Understanding the role of connectivity determining species persistence increasingly important face escalating anthropogenic impacts on climate habitat. These augmenting processes can severely impact distributions community ecosystem functioning. One general definition that it an emergent process arising from set spatial interdependencies between individuals or populations, realistic representations are being sought. Generally, consists structural component, relating to distribution suitable unsuitable habitat, functional movement behavior, yet interaction both components often better describes ecological processes. Additionally, although implied by ‘movement', demographic measures such as occurrence abundance organisms regularly overlooked when quantifying connectivity. Integrating contributions based knowledge patterns critical understanding dynamics spatially structured populations. Demographically‐informed draws fundamental concepts metapopulation ecology while maintaining conceptual developments landscape methodological development spatially‐explicit hierarchical statistical models have potential overcome modeling data challenges. Together, this offers promising framework for developing ecologically metrics. This review synthesizes existing approaches advocates demographically‐informed addressing current problems across fields reliant connectivity‐driven population biology ecology. Using supporting simulations highlight consequences commonly made assumptions overlook contributions, we show even small amounts information greatly improve model performance. Ultimately, argue extending resolves long‐standing challenges associated with accurately influence

Language: Английский

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A Validation Procedure for Ecological Corridor Locations

Land, Journal Year: 2021, Volume and Issue: 10(12), P. 1320 - 1320

Published: Dec. 1, 2021

Connectivity conservation analysis is based on a wide range of approaches designed to pinpoint key ecological corridors in order maintain multispecies flows. However, the lack validation procedures with accessible data prevents one from evaluating accuracy corridor locations. We propose new procedure evaluate locations landscape connectivity approaches. The ability properly rank different was illustrated study case. Maxent model and circuit theory were used locate for forest bird species, following three land cover, umbrella species presence data. compare Our ranked as expected, considering that locating related biological realism calibration modelled more accurate (umbrella approaches) compared cover proxy (habitat-based approach). These results confirm quality procedure. can be to: (1) location corridors; (2) select best approach corridors, (3) validate underlying assumptions (e.g., dispersal matrix resistance values).

Language: Английский

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General Landscape Connectivity Model (GLCM): a new way to map whole of landscape biodiversity functional connectivity for operational planning and reporting

Ecological Modelling, Journal Year: 2022, Volume and Issue: 465, P. 109858 - 109858

Published: Jan. 7, 2022

Graph-theoretic approaches are commonly used to map landscape connectivity networks inform environmental management priorities. We developed the new General Landscape Connectivity Model (GLCM), as a operationally practical way of evaluating and mapping habitat conservation priorities plans. GLCM is built on two complementary metapopulation ecology-based measures: Neighbourhood area (Ni) link value (Li). Ni measure amount connected each location considering its cross-scale neighbouring habitat. The remaining across region can be reported an indicator Ecological Carrying Capacity for wildlife (plants animals). Li at any contribution study (i.e. which summed region) by virtue providing 'least-cost' linkages between concentrations Mapped provides valuable insights into pattern region's network, highlighting functioning corridors stepping-stones, candidate areas restoration. Due foundations in ecological theory parsimonious design, addresses number criteria we list important, while addressing criticisms often levelled graph-theoretical approaches. present results three south-east Australian case-studies using continuous-value condition surfaces input. However, simple habitat/non-habitat binary surface approximating threshold also used. has been designed specifically address need generic assessment regional scales, broader. It incorporates analyses range spatial scales granularities relevant broad ranges taxa movement processes (foraging, dispersal migration). Successively finer more intensively sampled based scaling-law. This approach allows analysis resolutions determined data-driven relevance rather than processing limitations. operational advantages means that assessments readily updated with refined or changed inputs including time-series remote sensing land cover, applied alternative scenarios use, restoration, climate projections combinations these.

Language: Английский

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Multi-scale differences in landscape connectivity evaluation and protection strategies: a case study of Chongqing, China

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: Feb. 10, 2025

Against the backdrop of rapid urban expansion, preserving landscape connectivity has become a vital approach to addressing habitat fragmentation and enhancing biodiversity. This study takes Chongqing, China, as case establishes multi-scale evaluation framework encompassing Main area-Main metropolitan area-Chongqing city. Using indices ecological security patterns, evaluates structural functional research area. Through comparative analysis, it demonstrates scale-dependent differences in regional proposes protection strategies from perspective. The results indicate that terms connectivity, scale expands, dPC (Delta Probability Connectivity) rankings all core areas within significantly decline, while those Jiangjin, Nanchuan, Fuling districts area experience significant degradation, moderate upgrading, respectively. In corridors (394.79 km2) source (39.61 Beibei, Yubei, Nan'an, Banan are crucial for at small- medium-scale levels, (11.33 (1,180.41 Nanchuan pivotal medium- large-scale levels. provides systematic comprehensive strategic references connectivity.

Language: Английский

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Urban planning for wildlife connectivity: A multispecies assessment of urban sprawl and SLOSS renaturalization strategies

Journal of Applied Ecology, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

Abstract Urban areas are under constant pressure to accommodate more people, leading an increase in built surface, further reducing and fragmenting wildlife habitat within around cities. Nonetheless, populations may persist by using a network of fragments, such as urban green areas, but only if functionally interconnected. Therefore, proactive approach considering prospective landscape connectivity changes, following proposed developments, potential mitigation strategies is needed. We predicted present‐day for six taxa, the Greater Toronto Area, changes across three future scenarios which include conversion agriculture developed land with (1) no strategies, (2) renaturalization single‐large (3) small widespread areas. used Omniscape identify shared movement corridors Graphab estimate importance each patch overall ( IIC k ), isolation degree patches (node degree) distribution stepping‐stone (betweenness centrality). validated our assessment through road mortality risk near corridors. Without developments will currently near‐isolated nearby stepping‐stones. There be shift remnant newly land, fragmentation key connecting peripheral inner‐city forested Mitigation renaturalized provided best outcome terms can compensate loss new developments. The validation analysis supported modelling revealed that was elevated roads intersecting This finding strongly indicates act barriers should explicitly addressed natural heritage or greenspace planning. Synthesis applications . Notably, smaller widely distributed serve practical effective management strategy balancing trade‐offs among economic costs, expansion conservation. To effectively support biodiversity conservation goals, 30 × target, these ideally connected larger infrastructure.

Language: Английский

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The Role of Remote Sensing Data in Habitat Suitability and Connectivity Modeling: Insights from the Cantabrian Brown Bear

Remote Sensing, Journal Year: 2021, Volume and Issue: 13(6), P. 1138 - 1138

Published: March 17, 2021

Ecological modeling requires sufficient spatial resolution and a careful selection of environmental variables to achieve good predictive performance. Although national international administrations offer fine-scale data, they usually have limited coverage (country or continent). Alternatively, optical radar satellite imagery is available with high resolutions, global frequent revisit intervals. Here, we compared the performance ecological models trained free data fitted using regionally restricted datasets. We developed brown bear habitat suitability connectivity from three datasets different accessibility. These comprised (1) Sentinel-1 2 land cover map (global coverage); (2) pan-European vegetation layers (continental (3) LiDAR Forest Map Spain (national coverage). Results show that Sentinel are powerful sources estimate for modeling. However, could be understanding precise habitat–species associations if derived discrete do not distinguish wide range types. Therefore, more effort should taken improving thematic satellite-derived variables. Our findings support application worldwide can help select according their

Language: Английский

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Habitat, geophysical, and eco-social connectivity: benefits of resilient socio–ecological landscapes

Landscape Ecology, Journal Year: 2021, Volume and Issue: 37(1), P. 1 - 29

Published: Sept. 27, 2021

Language: Английский

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