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385 results for “Environmental factors”
Causality analysis, path analyses and models between Chlorophyll a and environmental factors
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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.
Figure 1 in Vertical distribution of liverwort communities and their relationship with environmental factors in a karst sinkhole in south-western China
Figure 1. Diagram of Monkey-Ear Sinkhole.
Figure 4 in Vertical distribution of liverwort communities and their relationship with environmental factors in a karst sinkhole in south-western China
Figure 4. The vertical distribution of liverwort communities at different depths.
Diatom biogeography in freshwaters – new insights from between-region comparisons and the role of unmeasured environmental factors
<p>Diatom biogeography has attracted increased attention especially over the past two decades. However, due to covariance between space and environment, diatom biogeographical studies suffer from the fundamental problem of reliably evaluating the relative roles of dispersal processes versus local environment in shaping diatom distributions. Using between-region comparisons, we investigate whether diatom community differences stem partly from dispersal effects or are purely driven by the local environment. The data used comprise diatom presence-absence records and associated environmental-variable data from streams in Iceland and in northern Fennoscandia (Finland and Norway), and from ponds and lakes in Italy and northern Fennoscandia. We found that between-region differences were larger for diatom community composition than for local environmental variables, perhaps suggesting that biogeographical factors such as dispersal limitation or dispersal history influenced diatom communities causing their spatial segregation. We further discuss methods for disentangling the roles of spatial and environmental effects in shaping diatom communities. Finally, we highlight the possible role of unmeasured environmental factors in diatom biogeographical research.</p>
Data from: Effects of abiotic environmental factors and land use on the diversity of carrion-visiting silphid beetles (Coleoptera: Silphidae): a large scale carrion study
[No abstract entered]
Data from: Macroevolutionary analyses suggest that environmental factors, not venom apparatus, play key role in Terebridae marine snail diversification
<p><span>How species diversification occurs remains an unanswered question in predatory marine invertebrates, such as sea snails of the family Terebridae. However, the anatomical disparity found throughput the Terebridae provides a unique perspective for investigating diversification patterns in venomous predators. In this study, a new dated molecular phylogeny of the Terebridae is used as a framework for investigating diversification of the family through time, and for testing the putative role of intrinsic and extrinsic traits, such as shell size, larval ecology, bathymetric distribution, and anatomical features of the venom apparatus, as drivers of terebrid species diversification. Macroevolutionary analysis revealed that when diversification rates do not vary across Terebridae clades, the whole family has been increasing its global diversification rate since 25 Ma. We recovered evidence for a concurrent increase in diversification of depth ranges, while shell size appeared to have undergone a fast divergence early in terebrid evolutionary history. Our data also confirm that planktotrophy is the ancestral larval ecology in terebrids, and evolutionary modeling highlighted that shell size is linked to larval ecology of the Terebridae, with species with long-living pelagic larvae tending to be larger and have a broader size range than lecithotrophic species. Although we recovered patterns of size and depth trait diversification through time and across clades, the presence or absence of a venom gland (VG) did not appear to have impacted Terebridae diversification. Terebrids have lost their venom apparatus several times and we confirm that the loss of a VG happened in phylogenetically clustered terminal taxa and that reversal is extremely unlikely. Our findings suggest that environmental factors, and not venom, have had more influence on terebrid evolution.</span></p>
Perceived cycling safety and environmental factors along adolescents' home-to-school routes
<p>Datasets of routes, road segments and intersections with perceived cycling safety scores and both subjectively scored and objectively measured environmental factors along it.</p>
dataset for Spatial Distribution of Wildlife on University Campuses and Its Correlations with Environmental Factors: A Multi-Source Data Analysis
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Dataset used in Spatio-temporal analysis of Dengue fever in Bolivia: Climatic, environmental and sociodemographic factors
<p>This is the dataset used for Spatio-temporal analysis of Dengue fever in Bolivia: Climatic, environmental and sociodemographic factors. It is entirely composed of data from public domain sources. These are:</p> <p>Niño index is from National Oceanic and Atmospheric Administration (NOAA). (2023, November 8). Oceanic Niño Index (ONI). El Niño/Southern Oscillation (ENSO). https://www.ncei.noaa.gov/access/monitoring/enso/sst</p> <p>Dengue statistics are from the Organización Panamericana de la Salud. (2023, October 23). Serotipos Dengue por año para los países y territorios de las Américas: Bolivia (2013-2023). PLISA Plataforma de Información en Salud para las Américas. https://www3.paho.org/data/index.php/es/temas/indicadores-dengue/dengue-nacional/549-dengue-serotypes-es.html</p> <p>NVDI data is from the Food and Agriculture Organisation of the United Nations. This data is licensed Creative Commons Attribution-NonCommercial-ShareAlike 4.0 and we have licensed our dataset with this licence so that we can distribute it as part of our dataset. The original URL is https://www.fao.org/giews/earthobservation/country/index.jsp?lang=en&code=BOLFAO.GRAPH_NDVI_AGRI.<br>License: CC BY-NC-SA 3.0 IGO. Extracted from: https://www.fao.org/giews/earthobservation/asis/data/country/BOL/GRAPH_NDVI_AGRI/ndvi_adm1_data.csv. Date of Access: 18-04-2024<br>The specific link to the data is https://www.fao.org/giews/earthobservation/asis/data/country/BOL/GRAPH_NDVI_AGRI/ndvi_adm1_data.csv</p> <p>Meterological data is from the Bolivian National Meteorological and Hydrological Service https://senamhi.gob.bo/index.php/inicio</p> <p> </p> <p> </p> <p> </p>
Figure 1 in Germination responses of the invasive hedge cactus (Cereus uruguoyonus) to environmental factors
Figure 1. Effect of alternating day/night temperature regimes on the cumulative germination of four seed accessions of Cereus uruguoyonus. Values with the same letter do not differ at a 5% level of significance.
Figure 4 in Germination responses of the invasive hedge cactus (Cereus uruguoyonus) to environmental factors
Figure 4. Effect of burial depth on seedling emergence of Cereus uruguoyonus. Values with the same letter do not differ at a 5% level of significance.
Fig. 5 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract
Fig. 5: RDA graphic showing the similarity between the amphipod community present in each marina and its relationship with the sessile community (CHI = Chipiona, AME = Puerto. América, BAR = Barbate, LIN= La Línea, FUE = Fuengirola, ALM = Almería; Green = Atlantic; Orange = Mediterranean).
Fig. 4 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract
Fig. 4: Composition (percentage of total volumen) of sessile species present in the pontoons of each marina (CHI = Chipiona, AME = Puerto. América, BAR = Barbate, LIN= La Línea, FUE = Fuengirola, ALM = Almería. Numbers represents the three pontoons). The group "Others" includes "Other ascidians" and "Filiform algae".
Fig. 3 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract
Fig. 3: Two dimensional MDS plot based on Bray–Curtis similarity matrix on the square root-transformed amphipod abundance data. Dashed lines indicate SIMPROF results (P<0.05).
Fig. 2 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract
Fig. 2: Number of species (S), abundance (N) and Shannon-Wiener diversity values (H') of the amphipod community (Mean ± standard error). *P <0.05; **P <0.01.
Fig. 1 in Gastrointestinal parasite infestation in the alpine mountain hare (Lepus timidus varronis): Are abiotic environmental factors such as elevation, temperature and precipitation affecting prevalence of parasite species?
Fig. 1. Frequency of the number of parasite types. Frequency of the number of parasite types detected per Alpine mountain hare faeces in percent (n = 52) in Vorarlberg (Austria) during the years 2014 and 2015 within an altitudinal range of 1551–2073 m a.s.l.
Fig. 3 in Factors that alter the biochemical biomarkers of environmental contamination in Chironomus sancticaroli (Diptera, Chironomidae)
Fig. 3. Effect of sample freezing on the activity of acetylcholinesterase (AChE), alpha esterase (EST-α), and beta alpha esterase (EST-β) of Chironomus sancticaroli. The values are expressed as the mean value of enzyme activity ± SD (n = 30 for each condition). Different letters indicate significant differences when p <0.05 (using paired t-test).
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.
C, N, P, and Si content in plants and environmental factors of coastal salt marshes in China
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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
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