Provitamin A, Nutrient Analysis, and Plant Growth of Hydroponically Grown Swiss Chard Cultivars
HortScienceLeafy crops, like Swiss chard, are known to be natural sources of provitamin A, but little is known which cultivars and plant parts have greater amounts.
Madeline Moccio, Bruce L. Dunn
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Composition for cardinal directions by decomposing horizontal and vertical constraints [PDF]
, 2003 In this paper, we demonstrate how to group the nine cardinal directions into sets and use them to compute a composition table. Firstly, we define each cardinal direction in terms of a certain set of constraints.
Kor, A, Bennett, B
core +8 more sources
New avian hosts for Taphropiestes plaumanni (Coleoptera: Cavognathidae) and the record of nestlings skin lesions and body deterioration associated with parasitism [PDF]
Anais da Academia Brasileira de Ciências, 2022 We collected data during three consecutive breeding seasons (2015-2018) to assess the effects of Taphropiestes plaumanni (Coleoptera: Cavognathidae) on its bird hosts in a native forest of central eastern Argentina.
EXEQUIEL GONZALEZ +3 more
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Drivers of phenotypic divergence in a Mesoamerican highland bird [PDF]
PeerJ, 2022 Animals derive their coloration from a variety of pigments as well as non-pigmentary structural features. One of the most widespread types of pigments are carotenoids, which are used by all invertebrate taxa and most vertebrate orders to generate red ...
Sahid M. Robles-Bello +4 more
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Species-Specific Responses of Bird Song Output in the Presence of Drones
Drones, 2021 Drones are now widely used to study wildlife, but their application in the study of bioacoustics is limited. Drones can be used to collect data on bird vocalizations, but an ongoing concern is that noise from drones could change bird vocalization ...
Andrew M. Wilson +4 more
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A Classic Maya Mystery of a Medicinal Plant and Maya Hieroglyphs
Heritage, 2020 The Maya employed the k’an |K’AN| glyph in Late Classic (~750 CE) hieroglyphs on murals and polychrome pottery as an adjective meaning precious, yellow.
Jonathan Ferrier +7 more
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Effects of fragmentation and hybridization on geographical patterns of song variation in the endangered Yellow Cardinal Gubernatrix cristata [PDF]
Ibis, 2016 The song learning process may lead to small‐scale geographical variation in vocalizations of oscine birds. This variation can be further enhanced by the effects of habitat fragmentation or hybridization. Populations of the endangered Yellow Cardinal Gubernatrix cristata are now patchily distributed in the southern South American thorny shrubland ...
Marisol Domínguez +2 more
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Ciência Rural, 2021 : Brazil is one of the primary suppliers of wildlife for trafficking, which constitutes a significant threat to biodiversity, which can cause the extinction of species, especially birds, the most important victims of trafficking.
Marilucia Campos dos Santos +6 more
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Cone-Opponent Ganglion Cells in the Primate Fovea Tuned to Non-Cardinal Color Directions
Journal of Neuroscience, 2023 A long-standing question in vision science is how the three cone photoreceptor types—long (L), medium (M), and short (S) wavelength sensitive—combine to generate our perception of color.
Tyler Godat +7 more
semanticscholar +1 more source