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115 results for “ecological role”
Data from: Ovipositor and mouthparts in a fossil insect support a novel ecological role for early orthopterans in 300 million years old forests
<p>A high portion of the earliest known, Pennsylvanian, insect fauna is composed of the so-called 'lobeattid insects', which systematic affinities and role as foliage feeders remain debated. We investigated hundreds of samples of a new lobeattid species from the Xiaheyan locality using a combination of photographic techniques, including Reflectance Transforming Imaging, and geometric morphometrics, to document its morphology, and infer its phylogenetic position and ecological role. <i>Ctenoptilus frequens</i> sp. nov. possessed a sword-shaped ovipositor whose valves interlocked by two ball-and-socket mechanisms. This unambiguously supports lobeattids as stem-relatives of all living Orthoptera (crickets, grasshoppers, katydids). Given the herein presented and other remains, it follows that this group experienced an early diversification coupled with high numbers of individuals. The ovipositor shape additionally indicates that ground was the preferred substrate for eggs. Visible mouthparts made it possible to assess the efficiency of the mandibular food uptake system in comparison to a wide array of extant species. The new species was omnivorous which explains the paucity of external damage on contemporaneous plant foliage.</p>
The ecological role of native-plant landscaping in residential yards to birds during the nonbreeding period
<p class="MsoNormal">Residential yards are a form of urban land use that cover a considerable amount of area in cities worldwide and provide important habitat for wildlife, especially when landscaped with native plants. Nevertheless, most native-plant landscaping and wildlife research in the northern temperate regions of the world has been conducted during the spring and summer breeding periods, leaving a gap in our understanding of the importance of residential yards and native plants as habitats for animals during the nonbreeding period. To fill this gap, we quantified the ecological role of native-landscaped yards to avifauna throughout Greater Los Angeles, California (L.A.) during the winter nonbreeding period, which is a time of year when the region hosts a high abundance and diversity of migratory and resident birds. We surveyed birds and habitat features from October-March of 2020 and 2021 at 22 pairs of native and nonnative-landscaped yards plus ten additional native-landscaped yards. We had three objectives for our study. First, we compared avifaunal communities, including feeding and nonfeeding behaviors, and habitat features between native and non-native-landscaped yards. Second, we quantified relationships between habitat features and bird richness, abundance, and feeding and nonfeeding behaviors — focusing on species affiliated with urban or natural terrestrial ecosystems of the region. Third, we documented feeding and nonfeeding behaviors by birds with native and non-native plants. Native-landscaped yards had a greater cover of native trees, shrubs, and herbaceous plants, and a higher cover of natural habitat elements, including leaf litter and bare-ground cover. Bird richness and abundance — especially bird species affiliated with tree and shrub-dominated ecosystems — were greater in native than nonnative-landscaped yards. Further, yards with a higher cover of native plants supported greater numbers of feeding birds, with individuals focusing their foraging behaviors on distinct native trees and shrubs, including <em>Quercus </em>spp. (oak), <em>Heteromeles </em>spp.<em> </em>(toyon), <em>Arctostaphylos </em>spp. (manzanita), and <em>Salvia </em>spp. (sage). Our results suggested that residential yards landscaped with native plants provide important habitats for birds during the nonbreeding period and are a viable approach for residents and cities if improving conditions for birds throughout the annual cycle is a goal.</p>
The limits of convergence: the roles of phylogeny and dietary ecology in shaping non-avian amniote skulls
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Data from: Ecological divergence plays an important role in strong but complex reproductive isolation in campions (Silene)
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Data from: The role of phylogeny and ecology in shaping morphology in 21 genera and 127 species of Australo-Papuan myobatrachid frogs
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Data from: The roles of ecological and evolutionary processes in plant community assembly: the environment, hybridization and introgression influence co-occurrence of Eucalyptus
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Data from: Social monogamy versus polyandry: ecological factors associated with sex-roles in two closely related birds within the same habitat
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Data from: Parallelism in the oxygen transport system of the lake whitefish: the role of physiological divergence in ecological speciation
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Data from: The ecology of seed dispersal by small rodents: a role for predator and conspecific scents
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Data from: The role of social and ecological processes in structuring animal populations: a case study from automated tracking of wild birds
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The ecological role of native-plant landscaping in residential yards to birds during the nonbreeding period
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Data from: Ecological host fitting of Trypanosoma cruzi TcI in Bolivia: mosaic population structure, hybridization and a role for humans in Andean parasite dispersal
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Data from: Ecological gradients drive insect wing loss and speciation: the role of the alpine treeline
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Data from: Causes and consequences of failed adaptation to biological invasions: the role of ecological constraints
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Data from: Megafaunal rodents – behaviour and ecological roles of Southeast Asian forest porcupines
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Data from: Geographic variation in advertisement calls of a Microhylid frog—testing the role of drift and ecology
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Data from: The role of geography and ecology in shaping repeated patterns of morphological and genetic differentiation between European minnows (Phoxinus phoxinus) from the Pyrenees and the Alps
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Data from: The role of ecology, neutral processes and antagonistic coevolution in an apparent sexual arms race
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Data from: Causes of ecological gradients in leaf margin entirety: Evaluating the roles of biomechanics, hydraulics, vein geometry, and bud packing
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Data from: Testing the role of mating preference in a case of incomplete ecological speciation with gene flow
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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.