Landscape Ecology最新文献

{"title":"A mechanistic approach to weighting edge-effects in landscape connectivity assessments","authors":"M. Dennis, J. J. Huck, C. D. Holt, E. McHenry","doi":"10.1007/s10980-024-01865-5","DOIUrl":"https://doi.org/10.1007/s10980-024-01865-5","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>Understanding landscape functional connectivity is critical for nature conservation in fragmented landscapes. Spatially explicit graph-theoretical approaches to assessing landscape connectivity have provided a promising framework for capturing functional components driving connectivity at the landscape scale. However, existing weighting schemes used to parameterise functional connectivity in graph theory-based methods are limited with respect to their ability to capture patch-level characteristics relevant to habitat use such as edge-effects.</p><h3 data-test=\"abstract-sub-heading\">Objectives</h3><p>We set out to develop a new approach to weighting habitat connectivity as a function of edge-effects exerted by non-habitat patches through better delineation of edge-interior habitat transitions at the patch-level and parameterization of intra-patch movement cost at the landscape scale.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We leverage the use of raster surfaces and area-weighted exponential kernels to operationalize a mechanistic approach to computing spatially explicit edge surfaces. We integrate map algebra, graph theory and landscape resistance methods to capture connectivity for a range of species specialisms on the edge-interior spectrum. We implement our method through a set of functions in the R statistical environment.</p><h3 data-test=\"abstract-sub-heading\">Result</h3><p>Through a real-world case study, we demonstrate that our approach, drawing on these behaviours, outperforms competing metrics when evaluating potential functional connectivity in a typically fragmented agricultural landscape. We highlight options for the optimal parameterization of graph-theoretical models.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>Our method offers increased flexibility, being tuneable for interior-edge habitat transitions. This therefore represents a key opportunity that can help to re-align the fields of landscape ecology and conservation biology by reconciling patch-versus-landscape methodological stances.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"42 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140073490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Direct and indirect impacts of land use/cover change on urban heat environment: a 15-year panel data study across 365 Chinese cities during summer daytime and nighttime","authors":"Tong He, Nan Wang, Jiayue Chen, Feng Wu, Xinliang Xu, Luo Liu, Dongrui Han, Zongyao Sun, Yingshuang Lu, Yan Hao, Zhi Qiao","doi":"10.1007/s10980-024-01807-1","DOIUrl":"https://doi.org/10.1007/s10980-024-01807-1","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>Land use/cover change (LUCC) can directly and indirectly affect surface urban heat island intensity (SUHII) and the effects need to be decomposed.</p><h3 data-test=\"abstract-sub-heading\">Objectives</h3><p>To perform long-term trend analyses of contribution indexes (CIs) of land use types to urban heat environment in cities and to deconstruct direct and indirect effects of LUCC on SUHII within geographical regions.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>Mann–Kendall test and Sen’s slope were used to examine the trends of CIs and SUHII in 365 cities during summer of 2005–2019. Structural equation models were established to quantify direct and indirect effects of land use types’ CIs on SUHII in six geographical regions of China.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>First, SUHII in 78.08% and 73.70% of the Chinese cities increased during summer daytime and nighttime, respectively. Second, the CI of built-up land significantly increased across more than half of the cities in all the six regions. Third, not all land use types exerted both direct and indirect effects on SUHII. At daytime, the CI of cropland (direct) was the dominant factor in East China (1.386), South-central (− 0.637), and Northwest (− 0.399) regions. At nighttime, the CI of water bodies (both direct and indirect) was the dominant factor in Northwest (0.506) and Northeast (0.697) regions while CI of built-up land (both direct and indirect) determined in North China (0.476).</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Separation of direct and indirect effects of land use types on SUHII had practical implications for cities to optimize the structures and functions of ecosystems and to take regionally based actions improving the urban heat environment.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"101 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140044628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the applicability of binary land-cover variables to species distribution models across multiple grains","authors":"Lukáš Gábor, Jeremy Cohen, Vítězslav Moudrý, Walter Jetz","doi":"10.1007/s10980-024-01813-3","DOIUrl":"https://doi.org/10.1007/s10980-024-01813-3","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>Species distribution models are widely used in ecology. The selection of environmental variables is a critical step in SDMs, nowadays compounded by the increasing availability of environmental data.</p><h3 data-test=\"abstract-sub-heading\">Objectives</h3><p>To evaluate the interaction between the grain size and the binary (presence or absence of water) or proportional (proportion of water within the cell) representation of the water cover variable when modeling water bird species distribution.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>eBird occurrence data with an average number of records of 880,270 per species across the North American continent were used for analysis. Models (via Random Forest) were fitted for 57 water bird species, for two seasons (breeding vs. non-breeding), at four grains (1 km² to 2500 km²) and using water cover as a proportional or binary variable.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The models’ performances were not affected by the type of the adopted water cover variable (proportional or binary) but a significant decrease was observed in the importance of the water cover variable when used in a binary form. This was especially pronounced at coarser grains and during the breeding season. Binary representation of water cover is useful at finer grain sizes (i.e., 1 km²).</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>At more detailed grains (i.e., 1 km²), the simple presence or absence of a certain land-cover type can be a realistic descriptor of species occurrence. This is particularly advantageous when collecting habitat data in the field as simply recording the presence of a habitat is significantly less time-consuming than recording its total area. For models using coarser grains, we recommend using proportional land-cover variables.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"699 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140034952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"What can be learned from using participatory landscape scenarios in Rio Doce State Park, Brazil?","authors":"Sónia Carvalho Ribeiro, Erika Fereira, Luiz Gustavo Paula, Ramon Rodrigues, Maria Auxiliadora Drumond, Henrique Purcino, Brayan Oliveira, Vinicios Moreira, Adriana Monteiro, Braulio Fonseca, Natália Almeida, Tim O’Riordan, Úrsula Azevedo, Alfio Conti, Paulina Barbosa","doi":"10.1007/s10980-024-01860-w","DOIUrl":"https://doi.org/10.1007/s10980-024-01860-w","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>The goal of this work is to describe and explain the conditions that trigger, enable or prevent the implementation of preferred land uses by local communities.</p><h3 data-test=\"abstract-sub-heading\">Objective</h3><p>The questions this paper addresses are as follows: Is there a set of preferred scenarios for land use change? What triggers, enables and prevents the implementation of preferred land uses? What did we learn by using participatory landscape scenarios?</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>In order to answer the research questions, we synthesize knowledge from a long-term case study in the buffer zone of the Rio Doce State Park in Brazil by (1) Developing participatory landscape scenarios and spatially explicit models for exploring desirable futures and associated land uses, as seen by local communities; (2) Explaining the conditions that trigger, enable or prevent the implementation of preferred landscape scenarios; and (3) Synthesizing knowledge on research and practice for working towards preferred land use changes.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Preferred scenarios for land use change are agroforestry, animal husbandry, tourism and conservation. Although there is biophysical potential and funding available through multiple social and environmental programs, the Rio Doce State Park’s institutional setting is confusing. Although preferred land use scenarios will likely be implemented, participatory landscape approaches require a new, strategic role and leadership by regional institutions. Universities need to bring in social theories and institutional analysis to educate a new generation of landscape stewards.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>We highlight the role of more responsive social agents and their representative institutions, including the changing role of university-based research and practice for working towards sustainable landscape outcomes.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"81 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140020098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis adapted from text mining quantitively reveals abrupt and gradual plant-community transitions after fire in sagebrush steppe","authors":"","doi":"10.1007/s10980-024-01824-0","DOIUrl":"https://doi.org/10.1007/s10980-024-01824-0","url":null,"abstract":"<h3>Abstract</h3> <span> <h3>Context</h3> <p>Plant communities vary both abruptly and gradually over time but differentiating between types of change can be difficult with existing classification and ordination methods. Structural topic modeling (STRUTMO), a text mining analysis, offers a flexible methodology for analyzing both types of temporal trends.</p> </span> <span> <h3>Objectives</h3> <p>Our objectives were to (1) identify post-fire dominant sagebrush steppe plant association types and ask how they vary with time at a landscape (multi-fire) scale and (2) ask how often major association changes are apparent at the plot-level scale.</p> </span> <span> <h3>Methods</h3> <p>We used STRUTMO and plant species cover collected between 2002–2022 across six large burn areas (1941 plots) in the Great Basin, USA to characterize landscape change in dominant plant association up to 14 years post-fire. In a case study, we assessed frequency of large annual changes (≥ 10% increase in one association and decrease in another) between associations at the plot-level scale.</p> </span> <span> <h3>Results</h3> <p>STRUTMO revealed 10 association types dominated by either perennial bunchgrasses, mixed perennial or annual grasses and forbs, or exotic annual grasses. Across all study fires, associations dominated by large-statured perennial bunchgrasses increased then stabilized, replacing the Sandberg bluegrass (<em>Poa secunda</em>)-dominated association. The cheatgrass (<em>Bromus tectorum</em>)-dominant association decreased and then increased. At the plot-level, bidirectional changes among associations occurred in ~ 75% of observations, and transitions from annual invaded to perennial associations were more common than the reverse.</p> </span> <span> <h3>Conclusions</h3> <p>The analysis revealed that associations dominated by some species (i.e. crested wheatgrass, <em>Agropyron cristatum</em>, Siberian wheatgrass, <em>Agropyron fridgida</em>, or medusahead, <em>Taeniatherum caput-medusae</em>) were more stable than associations dominated by others (i.e. Sandberg bluegrass or cheatgrass). Strong threshold-like transitions were not observed at the multi-fire scale, despite frequent ephemeral plot-level changes.</p> </span>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"16 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140005627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of land surface temperatures on vegetation phenology along urban–rural local climate zone gradients","authors":"Jing Xie, Xinwei Li, Lamuel Chi Hay Chung, Christopher John Webster","doi":"10.1007/s10980-024-01856-6","DOIUrl":"https://doi.org/10.1007/s10980-024-01856-6","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>Urbanization and local urban climate have multiple impacts on vegetation phenology in urban and suburban areas. Understanding these effects and their interactions with the surface urban heating effect remains limited.</p><h3 data-test=\"abstract-sub-heading\">Objective</h3><p>We employed a time series of Earth observation data to analyze land surface phenology (LSP) dynamics and related environmental drivers in the highly urbanized Pearl River Delta (PRD) region.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>First, local climate zone (LCZ) maps were generated from Earth observation datasets of 2000 and 2019. Second, LSP (i.e., start, end, and length of season) were extracted from vegetation indices for 2000–2019. Thirdly, land surface temperature (LST) was used as an explanatory variable based on the LCZ of cities. Finally, interannual trends of LSP and their association with LST were analyzed, depending on the distance gradient of vegetation to compact high-rise buildings.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Urban surface characteristics showed that LSP in regions dominated by compact and high-rise urban areas presented significant spatiotemporal variation at the start and end of season than those dominated by open, mid-rise, and low-rise areas. The impacts of spring and autumn LST in the daytime on LSP were slightly more substantial than those in the nighttime. The association of decreasing spring LST in the daytime with a delayed start of season is especially pronounced in urban domains.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>The results indicate that vegetated areas adjacent to urban domains presented greater spatiotemporal dynamics than suburban and rural regions. Our study emphasizes the dependence of spatiotemporal changes in vegetation phenology on the effects of urban surface warming.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"12 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140005518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Connectivity of stormwater ponds impacts Odonata abundance and species richness","authors":"","doi":"10.1007/s10980-024-01817-z","DOIUrl":"https://doi.org/10.1007/s10980-024-01817-z","url":null,"abstract":"<h3>Abstract</h3> <span> <h3>Context</h3> <p>The successful dispersal of an animal depends, partly, on landscape connectivity. Urbanization poses risks to dispersal activities by increasing hostile land cover types.</p> </span> <span> <h3>Objectives</h3> <p>We investigated how connectivity of urban ponds impacted Odonata communities (dragonflies and damselflies), an order of semi-aquatic insects that actively disperse.</p> </span> <span> <h3>Methods</h3> <p>We sampled 41 constructed stormwater ponds and 8 natural ponds in a metropolitan area. The effect of connectivity and the quantity of available adjacent habitats was tested at different scales for dragonflies (900 m) and damselflies (300 m), determined by a literature analysis, to account for differences in suborder dispersal capabilities.</p> </span> <span> <h3>Results</h3> <p>Lower levels of connectivity and fewer nearest neighbours negatively impacted abundance, species richness, and composition of dragonflies (p values &lt; 0.01, R² = 0.18–0.70). Adult dragonfly abundance had a stronger positive relationship with connectivity than species richness. In particular, the abundance of adult dragonfly <em>Leucorrhinia frigida,</em> found almost exclusively at natural ponds, had a positive relationship with connectivity. Connectivity and the number of nearest neighbours had no significant impact on damselflies apart from a slight negative relationship between connectivity and species richness (p value = 0.02, R² = 0.11). Natural ponds had significantly higher levels of connectivity when compared to stormwater ponds.</p> </span> <span> <h3>Conclusions</h3> <p>Our results suggest that dragonflies are positively affected by increased connectivity in an urban landscape, with no benefit of connectivity to damselflies at the scale measured. We recommend intentional planning of urban stormwater pond networks, where individual ponds can act as stepping stones, incorporated with strategic inclusion of beneficial land cover types.</p> </span>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"52 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140005524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Random Frogs: using future climate and land-use scenarios to predict amphibian distribution change in the Upper Missouri River Basin","authors":"Kaitlyn S. Campbell, Andrew P. Baltensperger, Jacob L. Kerby","doi":"10.1007/s10980-024-01841-z","DOIUrl":"https://doi.org/10.1007/s10980-024-01841-z","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>Climate change and anthropogenic stressors have contributed to rapid declines in biodiversity worldwide, particularly for amphibians. Amphibians play important ecological roles, yet little is known about how distribution hotspots may change or how the environmental factors influence distribution patterns in the North American Great Plains.</p><h3 data-test=\"abstract-sub-heading\">Objectives</h3><p>Ecological niche models improve understanding of biotic and abiotic factors associated with species' distributions and can highlight potential threats to species conservation. Here, we identify important predictors of amphibian distributions and predict how land use and climate change may alter amphibian distributions in the Upper Missouri River Basin.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We used publicly available occurrence data, 16 environmental and climatic predictors, and the machine-learning algorithm, Random Forests, to create spatially explicit distribution models for eight amphibian species. Models were scored to baseline conditions (2005) and two future climate-change/land-use scenarios to predict changes in amphibian distributions for 2060.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Models were highly accurate and revealed more pronounced distribution changes under the intensive RCP8.5/CONUS A2 scenario compared to the moderate RCP6.0/CONUS B2 scenario. Both scenarios predicted gains for most eastern species (i.e., Blanchard’s cricket frogs, Plains leopard frogs, Woodhouse’s toads, and Great Plains toads) and declines for all western montane species. Overall, distribution changes were most influenced by climatic and geographic predictors, (e.g., mean temperature in the warmest quarter, precipitation, and elevation), and geography, versus anthropogenic land-use variables.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Changes in occurrence area varied by species and geography, however, high-elevation western species were more negatively impacted. Our distribution models provide a framework for conservation efforts to aid the persistence of amphibian species across a warming, agriculturally dominated landscape.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"117 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140005720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Urban green inequality and its mismatches with human demand across neighborhoods in New York, Amsterdam, and Beijing","authors":"Yunyu Tian, Eveline van Leeuwen, Nandin-erdene Tsendbazar, Chuanbao Jing, Martin Herold","doi":"10.1007/s10980-024-01874-4","DOIUrl":"https://doi.org/10.1007/s10980-024-01874-4","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>Urban green spaces (UGS) are not evenly distributed within cities, and some neighborhoods with high socio-environmental demands require more UGS than others. This raises two challenges: green inequality and demand-based inequity. However, comprehensive assessments of UGS inequality and inequity in cities worldwide are lacking.</p><h3 data-test=\"abstract-sub-heading\">Objectives</h3><p>We aim to develop a multi-level approach and supply-demand concept to assess UGS inequality and inequity across neighborhoods in international cities with contrasting geographical and socio-political contexts.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We measured multi-level green accessibility and human demands based on Earth Observation and statistical data. UGS inequality and supply-demand mismatches were assessed by Gini coefficients, spatial cluster analysis, and statistical models.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>We found that: (1) UGS inequality is primarily reflected by the public park per capita in three cities. New York has larger UGS inequality than Beijing and Amsterdam. (2) Demand-based inequity in terms of low supply and high demand is mainly scattered around the city center in three cities. Tree coverage does not align with environmental pressures (LST/PM2.5) in New York and Beijing. (3) Relations between green supplies and human demands vary by cities and indicators. A shorter distance to the nearest large park is associated with a higher proportion of the elderly and children in New York and Amsterdam.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Our findings can inform UGS allocations to improve landscape sustainability in the neighborhoods with low green supply and high human demand, and to prioritize specific green metrics based on demand-oriented equity.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"133 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140005636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatial planning constraints will mitigate the fragmentation trajectory of natural and semi-natural landscapes: a case of Lushan City, China","authors":"Zhiduo Zhang, Geng He, Wenbo Cai, Qing Zhu, Xiao Liu, Fan Ding, Yongli Cai","doi":"10.1007/s10980-024-01857-5","DOIUrl":"https://doi.org/10.1007/s10980-024-01857-5","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Context</h3><p>The biodiversity faces an underlying threat from landscape fragmentation resulting from rapid urbanization. Examining the future trajectory of landscape fragmentation is imperative to understanding the impact of current spatial planning constraints on natural and semi-natural habitat preservation, ecosystem services, and sustainability.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We employed a Patch-generating Land Use Simulation (PLUS) model to simulate and predict the land use and landscape pattern changes in Lushan City under two distinct scenarios: “Planning Constraints (PC)” and “Natural Development (ND)”. We then identified an appropriate landscape fragmentation index (LFI) that effectively captured the fragmentation essence. To determine the optimal scale, we adopted an experimental approach using both the moving window (MW) method and the semi-variance function. By constructing a LFI spatiotemporal sequence and conducting trend analysis, we identified the potential fragmentation areas (PFA) with significant fragmentation tendencies.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The spatial planning constraints will (1) prevent the encroachment of construction land into 2.14 km² of cropland, 0.21 km² of forest, and 0.13 km² of grassland; (2) shift the highly fragmented area from the northeastern portion of Lushan to the planned area defined by the development boundary; (3) mitigate and decelerate the trend of landscape fragmentation in natural and semi-natural landscapes, decrease PFA by 7.74 km² and preserve 15.61 km² of natural landscapes. (4) still leave 29.42% of forest and 22.82% of grassland at risk of fragmentation.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Spatial planning constraints will effectively control the potential fragmentation in natural and semi-natural landscapes by changing the spatial distribution of LFI and PFA. This control mechanism will greatly exclude the anthropogenic impact and ensure the conservation of habitats. The habitats remaining within PFA should be focused in future eco-management optimization.</p>","PeriodicalId":54745,"journal":{"name":"Landscape Ecology","volume":"71 1","pages":""},"PeriodicalIF":5.2,"publicationDate":"2024-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139954126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}