Results 11 to 20 of about 473,633 (261)

Early land plant remains from the uppermost Ordovician–?lowermost Silurian Cedarberg Formation of South Africa [PDF]

open access: yesEstonian Journal of Earth Sciences, 2023
The Cape Supergroup forms a regionally extensive and extremely thick Ordovician to Carboniferous succession of sedimentary rocks in southwestern South Africa.
Charles H. Wellman   +2 more
doaj   +1 more source

Characterisation of Holocene plant macrofossils from North Spanish ombrotrophic mires: vascular plants [PDF]

open access: yesMires and Peat, 2016
Methods and criteria that were used to identify plant macrofossils from four ombrotrophic mires in northern Spain are presented. Twelve monocotyledon and ten dicotyledon species were recorded.
M. Souto   +4 more
doaj   +1 more source

USING OF MILLET STRAW FOR ENERGY PURPOSES

open access: yesПодільський вісник: сільське господарство, техніка, економіка, 2023
The article considers the issue of using plant waste from agriculture for energy production in Ukraine. The following aspects are analyzed: the formation of straw and sifted grains of cereals, in particular, millet (P.
Лідія Блащик   +6 more
doaj   +1 more source

Fossil plant remains from Oligocene (?) of Farafra Oasis, Egypt [PDF]

open access: yesTaeckholmia, 2000
Well preserved fragments of fossil leaves of Dipterocarpophyllum , Cyperaceae, Gramineae and a pod-like fruitare described from Oligocene (?) of Farafra Oasis ...
Wagieh El- Saadawi   +2 more
doaj   +1 more source

Fossil Plant Remains Diagnostics by Laser-Induced Fluorescence and Raman Spectroscopies

open access: yesPhotonics, 2022
Fossilized plant remains have been studied simultaneously by laser induced fluorescence and Raman spectroscopies, to reveal the prospective methods for onsite or/and laser remote sensing in future extraterrestrial missions.
Alexey F. Bunkin   +7 more
doaj   +1 more source

The Use of Plant Macrofossils for Paleoenvironmental Reconstructions in Southern European Peatlands

open access: yesQuaternary, 2019
The analysis of plant macrofossils in peatland ecosystems has been widely used for the climatic and ecological reconstruction of the Holocene in the high latitudes of the northern hemisphere.
Martin Souto   +3 more
doaj   +1 more source

Palaeobiodiversity of Knyszyn Forest (NE Poland) Mires Based on the Late Glacial and Holocene Histories of Vascular Plant Species

open access: yesDiversity, 2023
Peat and lacustrine sediments are a valuable source of knowledge about past biodiversity. Plant macrofossil remains were identified in sediments of mires in northeastern Poland’s Knyszyn Forest. Among them, the remains of species currently absent in this
Danuta Drzymulska
doaj   +1 more source

The measurement of plant residues distribution quality after harvest by conventional and axial combine harvesters

open access: yesPlant, Soil and Environment, 2005
This paper concerns the evaluation of the husk and straw distribution quality measurement on different commonly used combine harvesters. The plant residues can significantly influence the next plant germination and growth, especially when they are ...
F. Kumhála   +3 more
doaj   +1 more source

Choosing the best plant for the job: a cost-effective assay to prescreen ancient plant remains destined for shotgun sequencing. [PDF]

open access: yesPLoS ONE, 2012
DNA extracted from ancient plant remains almost always contains a mixture of endogenous (that is, derived from the plant) and exogenous (derived from other sources) DNA.
Nathan Wales   +3 more
doaj   +1 more source

Plant remains of archaeological site Casa Vieja, Callango (Ica)

open access: yesRevista Peruana de Biología, 2013
A paleoethnobotanical study was carried out at the Middle Horizon archaeological site of Casa Vieja, located in Callango within the Lower Ica Valley. A total of 23 species were identified, all determined to be of the Magnoliopyta Division, 78 % (or 18 ...
José Roque, Asunción Cano, Anita Cook
doaj   +1 more source

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