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73 results for “environmental activism”
Seasonal activity changes in raccoon dogs and influences of environmental factors from autumn to winter
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Data from: Environmental DNA metabarcoding revealed the impacts of anthropogenic activities on phytoplankton diversity in Dianchi Lake and its three inflow rivers
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Data from: The Drosophila Genetic Reference Panel (DGRP) on locomotor activity across different environmental conditions
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Active season body mass patterns of Little Brown Bats and Northern Myotis: Raw and fitted mass values, environmental conditions and inflection point estimates
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Relationship between active and passive environmental factors and the body mass index of residents in Geneva - Dataset
<p>Dataset used for the long paper in the "Exploratory Data Analysis and Geovisualization" course at EPFL. The paper is titled "Relationship between active and passive environmental factors and the body mass index of residents in Geneva"</p>
Environmental DNA (eDNA) from multiple pathogens is elevated near active Atlantic salmon farms
<p>The spread of infection from reservoir host populations is a key mechanism for disease emergence and extinction risk and is a management concern for salmon aquaculture and fisheries. Using a quantitative environmental DNA methodology, we assessed pathogen eDNA in relation to salmon farms in coastal British Columbia, Canada, by testing for 39 species of salmon pathogens (viral, bacterial, and eukaryotic) in 134 marine environmental samples at 58 salmon farm sites (both active and inactive) over three years. Environmental DNA from twenty-two pathogen species was detected 496 times and species varied in their occurrence among years and sites, likely reflecting variation in environmental factors, other native host species, and strength of association with domesticated Atlantic salmon. Overall, we found that the probability of detecting pathogen eDNA was 2.72 (95% CI: 1.48, 5.02) times higher at active versus inactive salmon farm sites and 1.76 (95% CI: 1.28, 2.42) times higher per standard deviation increase in domesticated Atlantic salmon eDNA concentration at a site. If the distribution of pathogen eDNA accurately reflects the distribution of viable pathogens, our findings suggest that salmon farms serve as a potential reservoir for a number of infectious agents; thereby elevating the risk of exposure for wild salmon and other fish species that share the marine environment.</p>
Data from: An environmental DNA-based method for monitoring spawning activity: a case study, using the endangered Macquarie perch (Macquaria australasica)
Determining the timing and location of reproductive events is critical for efficient management of species. However, methods currently used for aquatic species are costly, time intensive, biased and often require destructive or injurious sampling. Hence, developing a non-invasive sampling method to accurately determine the timing and location of reproduction for aquatic species would be extremely valuable. We conducted an experimental and field study to determine the influence of spawning, and the mass release of spermatozoa in particular, on environmental DNA (eDNA) concentrations. Using a quantitative PCR approach we monitored changes in nuclear and mitochondrial eDNA concentrations over time. The data from the experimental study and the field survey supported our hypothesis that spawning events are characterized by higher concentrations of nuclear relative to mitochondrial eDNA. Outside of the reproductive period, we find that nuclear and mitochondrial DNA fragments are equally abundant in environmental water samples. We have shown that changes in the relative abundance of nuclear and mitochondrial eDNA can be used to monitor spawning activity of the endangered Macquarie perch. Our method is likely to be transferrable to other aquatic species and can be particularly useful to increase our understanding of the spawning biology of cryptic, rare or threatened species as well as design and evaluate environmental management actions and determine species establishment.
Data from: Social facilitation is a better predictor of frog reproductive activity than environmental factors
Anuran breeding activity is frequently linked to environmental factors, mainly temperature and rainfall. However, a key feature of anuran reproductive behavior—gathering in choruses and producing loud advertisement calls to attract females—generates a conspicuous social cue that may also facilitate reproductive behavior. Here, I examine the relative importance of environmental and social factors in explaining the intensity of reproductive activity in the Neotropical treefrog Hypsiboas rosenbergi. I show that social cues generally play an important role, but that there are sex differences: male behavior is associated with a combination of environmental and social factors, while female behavior is associated almost exclusively with social cues. I discuss the potential benefits of using social cues in regulating breeding activity, and suggest that conservation efforts may take advantage of the apparently widespread pattern of social facilitation in anuran reproductive ecology.
Data from: Patterns of activity and body temperature of Aldabra giant tortoises in relation to environmental temperature
We studied the temperature relations of wild and zoo Aldabra giant tortoises (Aldabrachelys gigantea) focusing on: 1) the relationship between environmental temperature and tortoise activity patterns (n=8 wild individuals), and 2) on tortoise body temperature fluctuations, including how their core and external body temperatures vary in relation to different environmental temperature ranges (seasons; n=4 wild, and n=5 zoo individuals). In addition, we surveyed the literature to review the effect of body mass on core body temperature range in relation to environmental temperature in the Testudinidae. Diurnal activity of tortoises was bimodally distributed, and influenced by environmental temperature and season. The mean air temperature at which activity is maximised was 27.9˚C, with a range of 25.8–31.7˚C. Furthermore, air temperature predicted changes in the core body temperature better than did mass, and only during the coldest trial did tortoises with higher mass show more stable temperatures. Our results, together with the overall Testudinidae overview, suggest that, once variation in environmental temperature has been taken into account, there is little effect of mass on the temperature stability of tortoises. Moreover, the presence of thermal inertia in an individual tortoise depends on the environmental temperatures, and we found no evidence for inertial homeothermy. Finally, patterns of core and external body temperatures in comparison to environmental temperatures suggest that Aldabra giant tortoises act as mixed conformer-regulators. Our study provides a baseline to manage the thermal environment of wild and rewilded populations of an important island ecosystem engineer species in an era of climate change.
Performance of Fe-N/C oxygen reduction electrocatalysts towards NO2-, NO, and NH2OH electroreduction – from fundamental insights into the active centre to a new method for environmental nitrite destruction
<p>This Excel data file contains the data used to produce the figures in the paper:</p> <p>Malko, D., Kucernak, A and Lopes, T, " Performance of Fe-N/C oxygen reduction electrocatalysts towards NO2-, NO, and NH2OH electroreduction – from fundamental insights into the active centre to a new method for environmental nitrite destruction"</p> <p>Journal of the American Chemical Society, 2016, DOI:10.1021/jacs.6b09622</p> <p>Please cite the above reference if you wish to use this data</p>
Representative giant virus genomes for "Resolving environmental drivers and ecological patterns of active viruses infecting protists in the Southern Ocean"
<p>Nucleotide FASTA files of each representative giant virus genomes used in "Resolving environmental drivers and ecological patterns of active viruses infecting protists in the Southern Ocean". </p>
Data from: Heritability, environmental effects, and genetic and phenotypic correlations of oxidative stress resistance-related enzyme activities during early life stages in Atlantic salmon
Oxidative stress (OS) may pose important physiological constraints on individuals, affecting trade-offs between growth and reproduction or ageing and survival. Despite such evolutionary and ecological importance, the results from studies on the magnitude of individual variation in OS resistance and the underlying causes of this variation such as genetic, environmental, and maternal origins, remain inconclusive. Using a high throughput methodology, we investigated the activity levels in three OS resistance-related enzymes (superoxide dismutase, SOD; glutathione reductase, GR; glutathione S-transferase, GST) during the early life stages of 1000 individuals from 50 paternal half-sib families in two populations of Atlantic salmon. Using animal mixed models, we detected the presence of narrow-sense heritability for SOD and GST; that for GST differed between populations due to differences in environmental variance. We found support for the presence of common environmental variation, including maternal effects, for only GR. Using a bivariate animal model, we detected a positive environmental correlation between activity levels of SOD and GST but were unable to detect an additive genetic correlation. Our results complement previous heritability findings for levels of reactive oxygen species or OS resistance by demonstrating the presence of heritability for OS-related enzyme activities. Our findings provide a foundation for future work, such as investigations on the evolutionary importance of variation in enzyme activities. In addition, our findings emphasise the importance of accounting for developmental stage, environmental variance, and kin relationships when investigating the OS-response at the enzyme activity level.
Figure 3 in Relationship between environmental conditions and hostseeking activity of Ochlerotatus albifasciatus (Diptera: Culicidae) in an agroecosystem and in an urban area in Chubut, Central Patagonia, Argentina
Figure 3. Relationship between biting activity rate of Ochlerotatus albifasciatus (number of mosquitoes captured on the bait during 20 minutes of exposition) and (A) air temperature, (B) air environmental RH, (C) wind speed and (D) sunshine degree. Continuous lines correspond to trials conducted in the evening, and dashed lines correspond to trials conducted in the morning and afternoon (pooled). Adjusted functions were obtained from a generalised linear model with negative binomial error distribution and log link function (see Methods for details).
Figure 2 in Relationship between environmental conditions and hostseeking activity of Ochlerotatus albifasciatus (Diptera: Culicidae) in an agroecosystem and in an urban area in Chubut, Central Patagonia, Argentina
Figure 2. Absolute frequencies of Ochlerotatus albifasciatus for the catches in Sarmiento Valley mean and standard error for the catches of Oc. albifasciatus according to different variables: (A) habitat type; (B) capture time; (C) proximity to a larval habitat; (D) air temperature; (E) air environmental RH; (F) wind speed; and (G) sunshine degree. Variables D, E, F and G were categorised here to make the corresponding graphics. The number above each bar is the absolute frequency of mosquitoes in this category.
Fish eDNA detections in ports mirror fishing fleet activities and highlight the spread of non-indigenous species in the Mediterranean Sea. Environmental DNA Metabarcoding DATASET
<p>Environmental DNA metabarcoding data set. Environmental samples were collected in 2018 (one sample replicate of 2L surface water) and 2019 (four replicates of 1 L surface water) from several Mediterranean ports and data were generated using 12S rRNA and mitochondrial COI. For each sampling campaign (2018 and 2019) and marker two sheets are presented (with the same numeration): the first one represents all the ASV/MOTUs after the bioinformatics pipelines; the second one shows the curated assignment. The last two sheets are the OTU tables (presence-absence).</p>
FIG. 3 in Disentangling Morphological and Environmental Drivers of Foraging Activity in an Invasive Diurnal Gecko, Phelsuma laticauda
FIG. 3. Relationship between sex and SM.Avg. Whiskers extend no further than ±1.5X interquartile range, with data beyond that plotted individually.
FIG. 6 in Disentangling Morphological and Environmental Drivers of Foraging Activity in an Invasive Diurnal Gecko, Phelsuma laticauda
FIG. 6. (A) Position of Phelsuma laticauda on lizard FM spectrum as determined by PTM. Based on the cutoffs determined by Huey and Pianka (1981), with PTM <10% = SW forager and PTM> 30% = AF, P. laticauda is a classic SW forager along with Crotaphytus collaris and Oligosoma grande (Eifler and Eifler, 1999; Cooper et al., 2001). FMs with PTM 10–25% represent intermediate FMs, such as the ''cruise foraging'' of Chameleo jacksonii (Hagey et al., 2010). Many lacertids and teiids, such as Nucras tessellata and Aspidocelis uniparens, lie on the upper end of the spectrum (Huey and Pianka, 1981; Cooper et al., 2001). (B) Position of P. laticauda on gecko FM spectrum as determined by PTM. Most SW geckos have a PTM <5%, such as Chondrodactylus turneri and Gonatodes ocellatus (Persuad et al., 2003; Cooper, 2007). The majority of other geckos have a PTM> 10% (many of which have been classified as AF even though none come close to the extremely high PTMs of many AF lizards outside of the Gekkota infraorder), such as Goniurosaurus orientalis and Coleonyx Ʋariegatus (Kingsbury, 1989; Werner et al., 2004). Within geckos, P. laticauda is a more active SW forager, verging on the intermediate values of species such as Teratoscincus scincus (Seligmann et al., 2007).
Multi-modal Dataset of Human Activities of Daily Living with Ambient Audio, Vibration and Environmental Data
<pre>This dataset provides over 43000 samples of 25 different human activities (e.g. walking, opening/closing a door, sitting down, vacuum cleaning). Each sample is recorded by 5 sensor devices with multiple types of sensors. The main part is audio and vibration. Further metrics were recorded at a low frequency, and are: infrared array, light color, temperature, relative humidity, atmospheric pressure, air quality measure, volatile organic compounds and CO2 equivalent. The data was recorded in supervised sessions to label each sample. The recording environment consisted of a kitchen and dining room. Flawed samples were removed and the different metrics were synchronized, but no further processing or filtering of the data was performed. </pre>
Evaluation of Project TEAM (Teens Making Environmental and Activity Modifications)
ClinicalTrials.gov study NCT02714868. IPD Sharing: NO. Countries: 0. Publications: 3.
Investigating the Relation Between Environmental Factors and Activity-participation in Children With Cerebral Palsy
ClinicalTrials.gov study NCT03640611. IPD Sharing: Not stated. Countries: 1. Publications: 1.
ScienceDex guides
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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.