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116 results for “seasonal abundance”
FIG. 1 in Host-parasite relationships between a Malagasy fruit bat (Pteropodidae) and associated bat fly (Diptera: Nycteribiidae): seasonal variation of host body condition and the possible impact of parasite abundance
FIG. 1. Location map of the study site, Grotte des Chauves-souris, in the Parc National d'Ankarana, northern Madagascar
Diversity, seasonal abundance, and environmental drivers of chaetognath populations in North Inlet Estuary, South Carolina, USA
<p>Chaetognaths (Phylum: Chaetognatha) are one of the most abundant phyla of zooplankton worldwide and play an important role in marine trophic interactions. Although the role of chaetognaths in global ecosystems is well understood, the spatial variation and environmental drivers of estuarine chaetognath populations is poorly understood. To provide the first known record of chaetognath species composition in a coastal estuary in the south-eastern USA, chaetognaths were identified and quantified from zooplankton samples collected on a monthly basis in 2019 and 2020 from North Inlet Estuary in South Carolina. <em>Parasagitta tenuis </em>was the most abundant species of the five found, making up 33% of total abundance. The egg presence of these chaetognaths was further analyzed to gauge reproductive cycles. Abundance and egg presence were compared with surface and bottom measurements of temperature, salinity, and dissolved oxygen levels to determine the driving abiotic factors behind chaetognath's seasonal variability and reproductive cycles. Temperature, salinity, and dissolved oxygen all had low (r < ± 0.29), non-significant correlations with abundance. Chaetognath egg production was most significantly associated with dissolved oxygen (p < 0.001) and seasonal changes in temperature (p < 0.001). Our initial findings indicate the continued abundance of chaetognath in a local estuary is dependent on abiotic factors that are strongly influenced by a changing climate. </p>
Data from: Partitioning resources through the seasons: abundance and phenology of carrion beetles (Silphidae) in southeastern Ontario
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Data from: Seasonal difference in temporal transferability of an ecological model: near-term predictions of lemming outbreak abundances
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Diversity, seasonal abundance, and environmental drivers of chaetognath populations in North Inlet Estuary, South Carolina, USA
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Data from: Seasonality and relative abundance within an elasmobranch assemblage near a major biogeographic divide
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Legacy effects of canopy gaps on liana abundance 25 years later in a seasonal tropical evergreen forest in northeastern Thailand
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Liana abundance and diversity increase with rainfall seasonality along a precipitation gradient in Panama
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Seasonal elevational dynamics of Central Himalayan mammals and birds: occurrences, richness metrics, abundance centres, boundary shifts, traits, and phylogeny
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Butterfly diversity and community dynamics in the central Himalayas: Species composition, richness, abundance, and seasonal variation of butterflies (Lepidoptera: Papilionoidea) in Bhorletar, Nepal
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Daily abundance of Dall's sheep peaks during late summer in a seasonal habitat of high-management interest
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Data from: Size-based hydroacoustic measures of within-season fish abundance in a boreal freshwater ecosystem
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Figures 3-5 from: França LF, Figueiredo-Paixão V, Duarte-Silva TA, Santos K (2020) The effects of rainfall and arthropod abundance on breeding season of insectivorous birds, in a semi-arid neotropical environment. Zoologia 37: 1-7. https://doi.org/10.3897/zoologia.37.e37716
Figures 3-5 (3) Aerial arthropod biomass, (4) accumulated precipitation and (5) active brood patches, during 27 sampling events. Data recorded between October 2015 and October 2016, with 14-day intervals, in an area of seasonally dry Neotropical forest in northeastern Brazil. The biomass were converted to proportion using the ratio between abundance at each sampling event and total abundance during the study. Brood patch was converted to proportion using the ratio between individuals with brood patches and total individuals captured during a sampling event. *In one month, we had three, instead of two, monthly samplings as a result of the 14-day interval between samples.
Figures 1-2 from: França LF, Figueiredo-Paixão V, Duarte-Silva TA, Santos K (2020) The effects of rainfall and arthropod abundance on breeding season of insectivorous birds, in a semi-arid neotropical environment. Zoologia 37: 1-7. https://doi.org/10.3897/zoologia.37.e37716
Figures 1-2 (1) Biomass and (2) number of arthropods recorded during 27 sampling events. Solid lines represent the aerial arthropods (windowpane trap and suction sampler), while dashed lines show terrestrial arthropod (pitfall trap). Data recorded between October 2015 and October 2016, with 14-day intervals, in an area of seasonally dry Neotropical forest, in northeastern Brazil. The abundance (biomass and number) were converted to proportion using the ratio between abundance at each sampling event and total abundance during the study. *In one month, we had three, instead of two, monthly samplings as a result of the 14-day interval between samples.
Data from: Effects of early-season insect herbivory on subsequent pathogen infection and ant abundance on wild cotton (Gossypium hirsutum)
1. Plant induced defences play an important role in mediating interactions between insects and pathogens. Yet, the plant traits underlying these effects, the extended consequences for higher trophic levels (i.e. predators), and the implications for plant growth and reproduction have received little attention. 2. Here we asked whether simulated early insect leaf damage on wild cotton (Gossypium hirsutum) affected subsequent damage by insect leaf chewers and pathogenic fungi, as well as ant abundance. To address the mechanisms behind such effects, we measured plant defensive traits induced by early leaf damage to determine which inducible traits might determine the effects on plant-associates. We also evaluated whether early damage influenced plant growth and flower production, and if such effects were mediated by subsequent insect herbivory or pathogen infection. 3. We show that simulated early leaf damage reduced damage by subsequent leaf-chewing insects, increased plant fungal infections, but did not affect ant abundance. Leaf defensive traits (lignins and pubescence) were significantly induced by early damage and were negatively associated with insect herbivory and infection severity, but did not account for the effects of early leaf damage on either of these subsequent attackers. In addition, ant abundance was not associated with (or accounted for) subsequent herbivory or infection, suggesting they did not confer plant protection. Finally, early leaf damage negatively affected plant growth and flower production and analyses suggested that the effect on the latter was, at least partly, mediated by increased fungal infections. 4. Synthesis: Overall, these findings show that early herbivory determines the outcome of cotton interactions with subsequent attackers, and such effects have an impact on plant growth and flower output.
Fig. 1 in Seasonal abundance and diversity of arthropods on Acacia mangium (Fabales: Fabaceae) trees as windbreaks in the cerrado
Fig. 1. Abundance of phytophagous, natural enemies and pollinators arthropods on Acacia mangium trees during 3 years of sampling. Samplings occurred from 2005 to 2007.
Figure 6 from: Ferreira GS, Almeida dos Santos DA, Lopes EV (2019) Richness, abundance and microhabitat use by Ardeidae (Aves: Pelecaniformes) during one seasonal cycle in the floodplain lakesof the lower Amazon River. Zoologia 36: 1-10. https://doi.org/10.3897/zoologia.36.e30475
Figure 6 Factorial diagram of the Canonical Correspondence Analysis, including environmental variables (wave height, wave period, swash time, organic matter%, rainfall and frequency of storm wave events) and macrofauna species on Grussaí and Manguinhos beaches. Ab: Atlantorchestoideabrasiliensis; Dh: Donaxhanleyanus; Eb: Emeritabrasiliensis; Exb: Excirolanabraziliensis; Hc: Hemipodiacaliforniensis; Mys: Mysida sp.; Nem: Nemertea; Olig: Oligochaeta; Ov: Olivancillariavesica; Pen: Peneidae; Pue: Puelche sp.; Sco: Scolelepis sp.; Tt: Talorchestiatucurauna.
Figure 4 from: Ferreira GS, Almeida dos Santos DA, Lopes EV (2019) Richness, abundance and microhabitat use by Ardeidae (Aves: Pelecaniformes) during one seasonal cycle in the floodplain lakesof the lower Amazon River. Zoologia 36: 1-10. https://doi.org/10.3897/zoologia.36.e30475
Figure 4 Number of species (richness) and density (individuals/m2) for the dissipative (Manguinhos Beach) and intermediate (Grussaí Beach) beaches in the dry (July/2012, August/2012, July/2013 and September/2013) and rainy (January/2013, February/2013, March/2014 and April/2014) seasons.
Figure 3 from: Ferreira GS, Almeida dos Santos DA, Lopes EV (2019) Richness, abundance and microhabitat use by Ardeidae (Aves: Pelecaniformes) during one seasonal cycle in the floodplain lakesof the lower Amazon River. Zoologia 36: 1-10. https://doi.org/10.3897/zoologia.36.e30475
Figure 3 Monthly discharge of Paraíba do Sul River and rainfall. River discharge and rainfall are correlated variables (R> 0.5). Rainfall data refer to Campos dos Goytacazes municipality (40–50 km from Grussaí and Manguinhos beaches) and was obtained from National Institute for Meteorology (INMET: http://www.inmet.gov.br).
Figure 5 from: Ferreira GS, Almeida dos Santos DA, Lopes EV (2019) Richness, abundance and microhabitat use by Ardeidae (Aves: Pelecaniformes) during one seasonal cycle in the floodplain lakesof the lower Amazon River. Zoologia 36: 1-10. https://doi.org/10.3897/zoologia.36.e30475
Figure 5 Regression analysis of the macrofauna richness and density as function of the number of storm wave events (SWE) and wave height, respectively. The pink dots represent each dependent (marine debris on ghost crab burrow) and independent variables (distance from urban settlements). Blue shaded area indicates 95% confidence intervals and pink line is the distribution of residuals. Blue line is the regression straight. Only significant (p < 0.05) predictors were considered in the effects plot.
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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.