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224 results for “Environmental impacts”
Data from: An environmental impact assessment of different management regimes in eucalypt plantations in southern China using Landscape Function Analysis
<p>There are global concerns regarding the detrimental environmental impacts of industrial forest plantations developed over the past 30 years. To address this concern, the Landscape Function Analysis methodology was used to rapidly assess indices of soil stability, water infiltration, and nutrient cycling within eucalypt plantations at different growth stages and under different management regimes in Guangxi Province, China. Results showed that these plantations under both regimes were approaching an ecologically functional state by the time of harvest. However, within the plantation management that included the burning of post-harvest biomass residues, indices of water infiltration, and nutrient cycling were significantly lower than within the plantation that retained post-harvest residues. Indicators of rain splash protection, perennial vegetation cover, and litter accumulation were all lower in the plantation that practiced residue burning and pre-planting cultivation. Retention of post-harvest residues improves landscape functionality at the time of re-planting. Our results indicate that burning and extensive cultivation prior to re-planting should be minimized.</p>
Environmental exposure model for copper oxide nanoparticles impact in estuarine ecosystem services
<p>Modelling the effect of copper oxide nanoparticles (< 50 nm) on denitrification rate and abundance and transcription of genes of the denitrification pathway on a temperate estuary.</p>
Data from: Environmental disturbance alters the ecological impact of an invading shrimp
1. Alien species are altering ecosystems around the globe. To predict and manage their impacts, the underlying mechanisms need to be understood. This is challenging in ecosystems undergoing multiple disturbances as unexpected interactions can alter the impact of individual disturbances. Such interactions are likely to be common in disturbed ecosystems, but have so far received little attention. 2. We investigated whether interactions between an invading shrimp Palaemon elegans and another human-induced disturbance, the population growth of a native mesopredator, the threespine stickleback, influences a third human-induced disturbance, the increase in biomass of filamentous algae. Increases in both the native mesopredator population and algal biomass have been promoted by eutrophication and a trophic cascade triggered by declining predatory fish stocks. 3. We used mesocosm and field enclosure experiments, combined with analyses of long-term trends in the abundance of the invader and the native mesopredator, to dissect the influence of the two species on algal biomass when alone and when co-occurring. 4. The impact of the invader on algal biomass depended on the native mesopredator; shrimp on their own had no effect on algal growth, but mitigated algae accumulation when competing with the stickleback for resources. Competition caused the shrimp to shift its diet from grazers to algae, and its habitat choice from open to vegetated habitats. The native mesopredator, in contrast, increased algal biomass irrespective of the presence of the invader, by preying on grazers and inducing a trophic cascade. 5. Our results show that the presence of a native mesopredator causes an invader to alter its behaviour and thereby its ecological impact. This demonstrates that interactions between invaders and other anthropogenic disturbances can alter the ecological impact of invaders, and, notably, that the impact of invaders can be positive and stabilise disturbed ecosystems. These results stress the importance of considering interactions among disturbances when investigating the ecological impact of alien species.
Data from: Ranking stressor impacts on periphyton structure and function with mesocosm experiments and environmental-change forecasts
Streams are being subjected to physical, chemical, and biological stresses stemming from both natural and anthropogenic changes to the planet. In the face of limited time and resources, scientists, resource managers, and policy makers need ways to rank stressors and their impacts so that we can prioritize them from the most to least important (i.e., perform 'ecological triage'). We report results from an experiment in which we established a periphyton community from the Huron River (Michigan, USA) in 84 experimental 'flumes' (stream mesocosms). We then dosed the flumes with gradients of six common stressors (increased temperature, taxa extinctions, sedimentation, nitrogen, phosphorus, and road salt) and monitored periphyton structure and function. A set of a priori deterministic functions were fit to each stressor-endpoint response and model averaging based on AICc weights was used to develop concentration-response best-fit predictions. Model predictions from different stressors were then compared to forecasts of future environmental change to rank stressors according to the potential magnitude of impacts. All of the stressors studied altered at least one characteristic of the periphyton; however, the extent (i.e., structural and functional changes) and magnitude of effects expected under future forecasts differed significantly among stressors. Elevated nitrogen concentrations are projected to have the greatest combined effect on stream periphyton structure and function. Extinction, sediment, and phosphorus all had similar but less substantial impact on the periphyton (e.g., affected only structure not function, smaller magnitude change). Elevated temperature and salt both had measurable effects on periphyton, but their overall impacts were much lower than any of the other stressors. For periphyton in the Huron River, our results suggest that, among the stressors examined, increased N pollution may have the greatest potential to alter the structure and function of the periphyton community, and managers should prioritize reducing anthropogenic sources of nitrogen. Our study demonstrates an experimental approach to ecological triage that can be used as an additional line of evidence to prioritize management decisions for specific ecosystems in the face of ecological change.
Datasets and codes for "Exploiting high-resolution ADS-B data for flight operation reconstruction towards environmental impact assessment"
<p>Here you can find all the datasets and Python codes used to obtain the results illustrated in "Exploiting high-resolution ADS-B data for flight operation reconstruction towards environmental impact assessment" (authors: Marco Pretto, Lorenzo Dorbolò, Pietro Giannattasio).</p><p>Folders are in the following order:</p><ul><li>0_files: flight tracking data (from the OpenSky Network) and open databeses</li><li>1_preproc: flight separation algorithm</li><li>2_preproc: runway assignment algorithm</li><li>3_proc: ground track reconstruction algorithm</li><li>4_postproc: postprocessing codes (for figures)</li></ul>
Measurement report: Impact of emission control measures on environmental persistent free radicals and reactive oxygen species – A short-term case study in Beijing
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Supplementary material 2 from: Schallenberg LA, Thomson-Laing G, Kelly D, Pearman JK, Howarth JD, Vandergoes MJ, Puddick J, Fitzsimons S, Rees A, Wood SA (2023) Insights into the ecological impact of trout introduction in an oligotrophic lake using sedimentary environmental DNA. Metabarcoding and Metagenomics 7: e111467. https://doi.org/10.3897/mbmg.7.111467
Supplementary data 2
Supplementary material 1 from: Schallenberg LA, Thomson-Laing G, Kelly D, Pearman JK, Howarth JD, Vandergoes MJ, Puddick J, Fitzsimons S, Rees A, Wood SA (2023) Insights into the ecological impact of trout introduction in an oligotrophic lake using sedimentary environmental DNA. Metabarcoding and Metagenomics 7: e111467. https://doi.org/10.3897/mbmg.7.111467
Supplementary data 1
Figure 1 in Impact of environmental factors on the body shape variation and sexual shape dimorphism in Carabus granulatus L. (Coleoptera: Carabidae)
Figure 1. Projections on the Principal Components of the tangent space when studying environmental effects on shape variation in С. granulatus. A. Effect of region in females. B. Effect of region in males. C. Effect of anthropogen in females. D. Effect of anthropogen in males. E. Effect of habitat in females. F. Effect of habitat in males.
Differential impacts of environmental yeasts on larval development and oviposition behavior of the Asian tiger mosquito Aedes albopictus
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Supplementary material 2 from: Palo T, Lagercrantz K, Bramryd T, Johansson M, Beery T, Jönsson K, Wamsler C, Brink E, Schubert P, Ekelund N (2016) Priority areas in municipality planning: ecosystem services, environmental impact assessments and research areas. One Ecosystem 1: e9869. https://doi.org/10.3897/oneeco.1.e9869
Correlation and frequency of key words in planning documents.
Supplementary material 1 from: Nentwig W, Vaes-Petignat S (2014) Environmental and economic impact of alien terrestrial arthropods in Europe. NeoBiota 22: 23-42. https://doi.org/10.3897/neobiota.22.6620
Handbook of the scoring system for the impacts of alien species:
Supplementary material 2 from: Nentwig W, Vaes-Petignat S (2014) Environmental and economic impact of alien terrestrial arthropods in Europe. NeoBiota 22: 23-42. https://doi.org/10.3897/neobiota.22.6620
Literature used to score 77 terrestrial arthropod species:
Crafting Green Destinations: The Impact of Social Media and Community Engagement on Environmental Behaviors in Tourist Hotspots
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A Survey of the Impact of the SDG Publishers Compact and the EASE Environmental Manifesto
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Supplementary material 2 from: Bartz R, Kowarik I (2019) Assessing the environmental impacts of invasive alien plants: a review of assessment approaches. NeoBiota 43: 69-99. https://doi.org/10.3897/neobiota.43.30122
: Data type: description
Supplementary material 1 from: Bartz R, Kowarik I (2019) Assessing the environmental impacts of invasive alien plants: a review of assessment approaches. NeoBiota 43: 69-99. https://doi.org/10.3897/neobiota.43.30122
: Data type: measurement
Lifecycle Environmental Impact of High-Speed Rail System in the I-45 Corridor
<p>Corresponding data set for Tran-SET Project No. 18PPPVU01. Abstract of the final report is stated below for reference:</p> <p>"The Houston-Dallas (I-45) corridor is the busiest route among 18 traffic corridors in Texas. The expected population growth and the surge in passenger mobility could result in a significant impact on the regional environment. This study uses a life cycle framework to estimate the net change in environmental impact with the development of a high speed rail system (HSR) along the I-45 corridor. The study follows ISO 14040 principles and standards of life cycle assessment and uses SimaPro 8.5® software and the Ecoinvent 3.3 inventory database. Infrastructure construction, vehicle manufacturing, system operation, and end of life phases are included in the life cycle assessment. The energy and emissions of the system are evaluated per vehicle/passenger-kilometers traveled and compared with the existing transportation modes. The vehicle component accounts for 14.50 kgCO2eq/VKT, of which fossil-fuel usage during operation is the primary contributor with 98% of the greenhouse gas (GHG) emissions. For the infrastructure component, 56.76% of GHG emissions result from the material extraction and processing phase (23.75kgCO2eq/VKT). Life cycle CO2 emissions of this system are 40% lower than comparable systems in Europe, Asia, and North America. The minimum ridership levels required to offset the environmental impact from conventional modes of transport are around 12% and 27% for GHG emissions and NOx emissions respectively. For the stakeholders, policymakers, and community leaders, this study recommends the construction of HSR system between Dallas-Houston, since it does not only save time, reduces traffic jam, and improve passengers’ mobility, but it also saves energy, which benefits the regional environment."</p>
Figure 3 in Impacts of environmental factors on zooplankton taxonomic diversity in coastal lagoons in Turkey
Figure 3. Zooplankton community parameters (Shannon–Wiener diversity, richness, Pielou's evenness) with standard error (±SE) during seasons in each lagoon. White represents Dalyan and black represents Arapçiftliği.
Data from: The impact of reproductive investment and early-life environmental conditions on senescence: support for the disposable soma hypothesis
Several hypotheses have been put forward to explain the evolution of senescence. One of the leading hypotheses, the disposable soma hypothesis, predicts a trade-off, whereby early-life investment in reproduction leads to late-life declines in survival (survival senescence). Testing this hypothesis in natural populations is challenging, but important for understanding the evolution of senescence. We used the long-term data set from a contained, predator-free population of individually marked Seychelles warblers (Acrocephalus sechellensis) to investigate how age-related declines in survival are affected by early-life investment in reproduction and early-life environmental conditions. The disposable soma hypothesis predicts that higher investment in reproduction, or experiencing harsh conditions during early life, will lead to an earlier onset, and an increased rate, of senescence. We found that both sexes showed similar age-related declines in late-life survival consistent with senescence. Individuals that started breeding at a later age showed a delay in survival senescence, but this later onset of breeding did not result in a less rapid decline in late-life survival. Although survival senescence was not directly related to early-life environmental conditions, age of first breeding increased with natal food availability. Therefore, early-life food availability may affect senescence by influencing age of first breeding. The disposable soma hypothesis of senescence is supported by delayed senescence in individuals that started breeding at a later age and therefore invested less in reproduction.
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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.