Results 1 to 10 of about 266 (97)

Sapsucker Wells as a Keystone Nutritional Resource: Evaluating Methods for Detection of Secondary Sap Consumers [PDF]

open access: yesEcology and Evolution
North American sapsuckers are considered double keystone species because they (1) excavate nest cavities that are used by other birds, small mammals, and invertebrates, and (2) create and maintain sap wells, a temporary nutritional resource available to ...
Rick Clawges   +5 more
doaj   +3 more sources

Diversity and Distribution of Mites (ACARI) Revealed by Contamination Survey in Public Genomic Databases [PDF]

open access: yesAnimals, 2023
Acari (mites and ticks) are a biodiverse group of microarthropods within the Arachnida. Because of their diminutive size, mites are often overlooked. We hypothesized that mites, like other closely related microorganisms, could also contaminate public ...
Jiazheng Xie, Yi Zhang
doaj   +2 more sources

Recent advances on phylogenomics of gymnosperms and a new classification [PDF]

open access: yesPlant Diversity, 2022
Living gymnosperms comprise four major groups: cycads, Ginkgo, conifers, and gnetophytes. Relationships among/within these lineages have not been fully resolved.
Yong Yang   +8 more
doaj   +2 more sources

The evolutionary history of the ancient weevil family Belidae (Coleoptera: Curculionoidea) reveals the marks of Gondwana breakup and major floristic turnovers, including the rise of angiosperms [PDF]

open access: yeseLife
The rise of angiosperms to ecological dominance and the breakup of Gondwana during the Mesozoic marked major transitions in the evolutionary history of insect-plant interactions.
Xuankun Li   +11 more
doaj   +2 more sources

The Systematics and Evolution of Gymnosperms with an Emphasis on a Few Problematic Taxa [PDF]

open access: yesPlants
Gymnosperms originated in the Middle Devonian and have experienced a long evolutionary history with pulses of speciation and extinction, which resulted in the four morphologically distinct extant groups, i.e., cycads, Ginkgo, conifers and gnetophytes ...
Yong Yang, Zhi Yang, David Kay Ferguson
doaj   +2 more sources

Catálogo de las plantas vasculares de Chile

open access: yesGayana: Botanica, 2018
Se presenta un catálogo de las plantas vasculares que crecen en Chile. Está organizado por divisiones, Pteridophyta (Lycopodiopsida y Polypodiopsida), Pinophyta (Gnetopsida y Pinopsida) y Magnoliophyta (Liliopsida y Magnoliopsida), y dentro de cada ...
Roberto Rodriguez   +12 more
doaj   +1 more source

Palinomorfos del cuaternario sobre el valle del rio san eugenio (risaralda, colombia)

open access: yesRevista Colombiana de Ciencia Animal Recia, 2012
Un análisis cualitativo de las observaciones palinológicas realizadas sobre un yacimiento arqueológico entre el Pleistoceno tardío hasta el Holoceno temprano sobre Santa rosa de Cabal, Risaralda Colombia fue llevado a cabo como parte de una ...
JORGE MERCADO, G.   +2 more
doaj   +1 more source

Peculiarities of the reproductive processes in the gymnosperms. Gametophytes’ development, pollination and fertilization

open access: yesБіологічні студії, 2013
The review contains the analysis of the latest literature sourses reproductive processes in gymnosperms, namely gametophytes development, рollination, fertilization.
A. Odintsova, A. Rugusova
doaj   +1 more source

Beyond Wallace: a new lineage of Chrysorthenches (Lepidoptera: Yponomeutoidea: Glyphipterigidae) reveals a journey tracking its host-plants, Podocarpus (Pinopsida: Podocarpaceae)

open access: yesZoological Journal of the Linnean Society, 2020
Abstract A northward trans-Wallacean radiation is demonstrated for Chrysorthenches, a member of the Orthenches group. Here we review Chrysorthenches and allied genera resulting in a generic transfer of Diathryptica callibrya to Chrysorthenches and two new congeners: C. muraseaeSohn & Kobayashisp. nov.
Jae-Cheon Sohn   +2 more
openaire   +1 more source

Види Pinopsida Широківського лісу

open access: yesЕкологічний вісник Криворіжжя, 2018
Сосновий ліс - це постійне місце існування різноманітних тварин. Взаємне пристосування рослин і тварин, що склалося впродовж еволюції, формування різних ланцюгів живлення у певних екологічних умовах визначає не лише відповідний склад рослинності лісових насаджень, а й склад популяцій фауни.
openaire   +1 more source

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