Results 211 to 220 of about 11,203 (251)

Old Plants, New Tricks: Phenological Research Using Herbarium Specimens [PDF]

open access: yesTrends in Ecology and Evolution, 2017
The timing of phenological events, such as leaf-out and flowering, strongly influence plant success and their study is vital to understanding how plants will respond to climate change. Phenological research, however, is often limited by the temporal, geographic, or phylogenetic scope of available data.
Charles G Willis   +2 more
exaly   +5 more sources
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It is possible to use herbarium specimens to screen for antibacterial components in some plants

Journal of Ethnopharmacology, 1999
The antibacterial activity of herbarium specimens of Combretum erythrophyllum growing in the Pretoria area and originally collected between 92 and 12 years ago were compared with freshly collected leaves. There were no differences in the minimal inhibitory concentration of the different samples with Staphylococcus aureus, Enterococcus faecalis ...
J N Eloff
exaly   +3 more sources

Use of Herbarium Voucher Specimens To Investigate Phytochemical Composition in Poisonous Plant Research

Journal of Agricultural and Food Chemistry, 2021
Poisonous plants cause large losses to the livestock industry through death, reduced production efficiency, reproductive dysfunction, and compromised harvesting of rangeland and pasture forages. Research investigating poisonous plants is complex because there are hundreds of genera of toxic plants representing thousands of species.
Daniel Cook   +5 more
openaire   +2 more sources

The forgotten Hermann Herbarium: A 17th century collection of useful plants from Suriname

Taxon, 2012
AbstractThe National Herbarium of the Netherlands houses a 17th century, bound herbarium containing 51 dried specimens from Suriname, which was composed by the well‐known botanist Paul Hermann (1646–1695). This is considered as the oldest documented herbarium collection not only for Suriname but for the Guianas region. Most specimens are accompanied by
Tinde Van Andel, Sarina Veldman
exaly   +2 more sources

Peek into Plant Diversity using Herbarium Specimens (Online!)

2020
This exercise introduces herbarium specimens and how they are used for research. Students contribute to specimen "digitization" using the citizen science platform Notes from Nature, and they work with the California specimen database, CCH2.
Pearson, Katie   +2 more
openaire   +1 more source

A primer to the use of herbarium specimens in plant phylogenetics

Botany Letters, 2018
As an important DNA source, herbarium specimens have been widely used in plant phylogenetics due to their easy accessibility and richness.
openaire   +3 more sources

The Use of Leap in Herbarium Management and Plant Biodiversity Research

Journal of East African Natural History, 1996
The List of East African Plants (LEAP) is an electronic database of the species, subspecies, and varieties of vascular plants (angiosperms, gynmosperms, ferns, and fern allies) that are native or naturalised in East Africa (Uganda, Kenya, and Tanzania).
Eric B. Knox, Edward Vanden Berghe
openaire   +1 more source

Exploring Plant Phenology using Herbarium Specimens: Lab or Workshop

2021
In this workshop or lab exercise, participants will examine the effects of climate on the phenological events of a selected species using herbarium specimen data.
Pearson, Katie   +4 more
openaire   +1 more source

Automatic Identification of Ivorian Plants from Herbarium Specimens using Deep Learning

International Journal of Emerging Technology and Advanced Engineering, 2022
— Plant identification is most often based on visual observations by botanists and systematists. Deep learning has become a tool that provides an alternative to automatic plant identification. Our study consists in implementing a method for plant recognition from herbarium specimens using deep learning classification methods.
BALLO Abou Bakary   +5 more
openaire   +1 more source

Prioritizing regionally rare plant species for conservation using herbarium data

Biodiversity and Conservation, 2013
Because the conservation of biodiversity occurs under time and resource constraints, it is necessary to prioritize species most deserving of attention. Natural history collections have been identified as a valuable source of information in applied conservation practice, particularly for species-rich taxa like plants.
Vladimir V. Kricsfalusy   +1 more
openaire   +1 more source

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