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221 results for “landscape use”
Boreal predator co-occurrences reveal shared use of seismic lines in a working landscape
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Coexistence from a lion’s perspective: Movements and habitat selection by African lions (Panthera leo) across a multi-use landscape
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Sex, landscape diversity and primary productivity shape the seasonal space use of a migratory European raptor
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Antelope space-use and behaviour indicate multi-level responses to varying anthropogenic influences in a highly human-dominated landscape
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Niche overlap between two large herbivores across landscape variability using dietary eDNA metabarcoding: Raw sequences of European bison and red deer – Bialowieza
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Data from: Predator-prey space-use and landscape features influence movement behaviors in a large-mammal community
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Anthropogenic landscape features affect the ground habitat use of Penelope superciliaris (Cracidae), a large seed disperser bird in southeastern Brazil
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Data from: Landscape composition and life-history traits influence bat movement and space use: analysis of 30 years of published telemetry data
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Data from: Elephant pathway use in a human-dominated landscape
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Use of anthropogenic landscapes in a wild Columba livia (Rock Dove) population
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Data from: Land-use intensification increases richness of native and exotic herbaceous plants, but not endemics, in Malagasy vanilla landscapes
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Integrating human trail use in montane landscapes reveals larger zones of human influence for wary carnivores
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Field margins as ecological corridors: Uncovering connectivity in agricultural landscapes using high-resolution tracking data and translocation experiments
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Measuring plant biomass remotely using drones in arid landscapes
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Data from: Using multiple scales of movement to highlight risk-reward strategies of coyotes (Canis latrans) in mixed-use landscapes
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Landscape water use efficiency study: central Arizona-Phoenix, 2000-2003
This project was initiated in collaboration with the Desert Botanical Garden to study water use efficiency at the landscape level within the central Arizona-Phoenix, 2000-2003.
Data from: Mapping Tasmania's cultural landscapes: using habitat suitability modelling of archaeological sites as a landscape history tool
Aim: Understanding past distributions of people across the landscape is key to understanding how people used, affected and related to the natural environment. Here we use habitat suitability modelling to represent the landscape distribution of Tasmanian Aboriginal archaeological sites and assess the implications for patterns of past human activity. Location: Tasmania, Australia Methods: We developed a RandomForest 'habitat suitability' model of site records in the Tasmanian Aboriginal Heritage Register. We applied a best-effort bias correction, considered 31 predictor variables relating to climate, topography and resource proximity, and used a variable selection procedure to optimise the final model. Model uncertainty was assessed via bootstrapping and we ran an analogous MAXENT model as a cross-validation exercise. Results: The results from the RandomForest and MAXENT models are highly congruent. The strongest environmental predictors of site occurrence include distance to coast, elevation, soil clay content, topographic roughness and distance to inland water. The highest habitat suitability scores are distributed across a wide range of environments in central, northern and eastern Tasmania, including coastal areas, inland water body margins, and forests and savannas in the drier parts of Tasmania. With the exception of coastal areas much of western Tasmania has low habitat suitability scores, consistent with theories of low-density Holocene Tasmanian Aboriginal settlement in this region. Main conclusions: Our modelling suggests Tasmanian Aboriginal people occupied a heterogeneity of habitats but targeted coastal areas around the whole island, and drier, less steep, and/or open forest and savanna environments in the central lowlands. The western interior was identified as being rarely used by Aboriginal people in the Holocene, with the exception of isolated pockets of habitat; yet whether this is a true reflection of Aboriginal resource use demands increased archaeological surveys, particularly in the Tasmanian Wilderness World Heritage Area.
Reintroduced wolves and hunting limit the abundance of a subordinate apex predator in a multi-use landscape
Top-down effects exhibited by apex predators are modulated by human impacts on community composition and species abundances. For these reasons, research supporting strong top-down effects of apex predators occurs almost entirely within protected areas rather than the much more common multi-use landscapes dominating modern ecosystems. Based on 16 years of monitoring, we developed an integrated population model to disentangle the concurrent contributions of a reintroduced apex predator, the gray wolf, human hunting, and prey abundances on vital rates and abundance of a subordinate apex predator, the puma. Increasing wolf numbers had strong negative effects on puma fecundity, and subadult and adult survival. Puma survival was also influenced by density-dependence. Overall, our results showed that puma dynamics in our multi-use landscape were more strongly influenced by top-down forces exhibited by a reintroduced apex predator, than by human hunting or bottom-up forces (prey abundance) subsidized by human activities. Quantitatively, the average annual impact of human hunting on equilibrium puma abundance was approximately equivalent to the effects of 20 wolves. Based on these results, wolves may have limited pumas across North America historically, and dictated puma scarcity in systems lacking sufficient refugia to mitigate the effects of competition.
Data from: Decreasing predation rates and shifting predator compositions along a land-use gradient in Madagascar's vanilla landscapes
<p>1. Land-use change is the main driver of deforestation and land degradation resulting in the loss of biodiversity and ecosystem functioning in north-eastern Madagascar. Vanilla, the region's main cash crop, is grown in agroforestry systems and may provide an opportunity for the conservation of biodiversity and ecosystem functioning.</p> <p>2. We used dummy caterpillars to assess predation rates and predator communities along a land-use gradient including unburned old-growth and forest fragments, herbaceous and woody fallows after shifting cultivation with fire usage, as well as rice paddies. The studied vanilla agroforests were either forest-derived or fallow-derived. Besides land-use type, we considered the effects of land-use history (unburned/burned), plot-level parameters and the landscape composition to conclude on management recommendations.</p> <p>3. Old-growth forest and forest fragments exhibited highest predation rates, which decreased with land-use intensity. Overall, predation was higher in unburned land-use types than in more open, previously burned habitats and rice paddies. High stem and vegetation densities were positively related to predation rates, but decreased with land-use intensity. High forest cover in the surrounding landscape led to higher predation rates, while local structural parameters remained more important.</p> <p>4. The predator community was arthropod-dominated across all land-use types with ants responsible for between 33 % and 69 % of all predation events. Overall predator composition in old-growth and forest fragments differed from all other land-use types. Predation by Gryllacrididae (Orthoptera) was lower in all land-use types, including forest-derived vanilla, than in old-growth forest and forest fragments, where they were important contributors to total predation. Vertebrate predation was low throughout.</p> Synthesis and applications: Forested habitats feature higher predation rates and different predator compositions than other land-use systems. Maintaining or restoring tree- and understory-rich vanilla agroforestry represents a viable tool in landscape conservation programmes as it has the potential to contribute to the conservation of predation as an important ecosystem function in both forest- and fallow-derived agroforests. However, vanilla agroforestry has limited value in conserving forest-specialised predator communities. While the establishment of tree-rich agroforests on former fallow land is favourable for conservation ecosystem functioning, further forest transformation should be <a>avoided</a>.
Data from: Surface-water dynamics and land use influence landscape connectivity across a major dryland region
Landscape connectivity is important for the long-term persistence of species inhabiting dryland freshwater ecosystems, with spatiotemporal surface-water dynamics (e.g., flooding) maintaining connectivity by both creating temporary habitats and providing transient opportunities for dispersal. Improving our understanding of how landscape connectivity varies with respect to surface-water dynamics and land use is an important step to maintaining biodiversity in dynamic dryland environments. Using a newly available validated Landsat TM and ETM+ surface-water time series, we modelled landscape connectivity between dynamic surface-water habitats within Australia's 1 million km2 semi-arid Murray Darling Basin across a 25-year period (1987 to 2011). We identified key habitats that serve as well-connected 'hubs', or 'stepping-stones' that allow long-distance movements through surface-water habitat networks. We compared distributions of these habitats for short- and long-distance dispersal species during dry, average and wet seasons, and across land-use types. The distribution of stepping-stones and hubs varied both spatially and temporally, with temporal changes driven by drought and flooding dynamics. Conservation areas and natural environments contained higher than expected proportions of both stepping-stones and hubs throughout the time series; however, highly modified agricultural landscapes increased in importance during wet seasons. Irrigated landscapes contained particularly high proportions of well-connected hubs for long-distance dispersers, but remained relatively disconnected for less vagile organisms. The habitats identified by our study may serve as ideal high-priority targets for land-use specific management aimed at maintaining or improving dispersal between surface-water habitats, potentially providing benefits to biodiversity beyond the immediate site scale. Our results also highlight the importance of accounting for the influence of spatial and temporal surface-water dynamics when studying landscape connectivity within highly variable dryland environments.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.