Results 91 to 100 of about 140,590 (312)

Realized niche shift associated withGalinsoga quadriradiata(Asteraceae) invasion in China

open access: hybrid, 2021
Wengang Zhang   +8 more
openalex   +1 more source

Digitizing collections to unlock the full potential of palynology: A case study with the Smithsonian palynology collection

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Large palynological collections have been built over decades and contain vital information. However, they are often difficult to access and use effectively. What is the point of having such collections if they are not fully utilizable? To solve this problem, we digitized the Smithsonian palynological collection using both light and confocal microscopy.
Carlos Jaramillo   +37 more
wiley   +1 more source

A New Species of \u3ci\u3eAphis\u3c/i\u3e in Minnesota (Hemiptera: Aphididae) on Narrow-Leaved Purple Coneflower, \u3ci\u3eEchinacea Angustifolia\u3c/i\u3e [PDF]

open access: yes, 2018
Aphis echinaceae, n. sp. is described from specimens collected in Douglas County, Minnesota, on Echinacea angustifolia (DC.). The aphid is illustrated with biometric data for alate and apterous vivipara.
Lagos, D. M, Voegtlin, D. J
core   +2 more sources

Small grassland patches are hotspots for medicinal plants and associated phytochemical diversity in European agricultural landscapes

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Besides being important components of landscape‐level biodiversity, medicinal plants are essential resources for traditional and modern healthcare. However, human‐driven biodiversity loss has resulted in the decline of medicinal plant populations. By maintaining connections between nature, culture, and people, sacred natural sites can help counteract ...
Rita Engel   +4 more
wiley   +1 more source

NATURAL POLYACETYLENE COMPOUNDS

open access: yesФармация и фармакология (Пятигорск), 2015
In article the review of the initial stage of researches of natural polyacetylene compounds is resulted. The high reactionary ability leading to fast oxidation and degradation of these compounds, especially at influence of Uf-light, oxygen of air, pH and
A. M. Nasukhova, D. A. Konovalov
doaj   +1 more source

Spatial Phylogenetics Reveals Endemism Hotspots and Conservation Priorities in Chinese Asteraceae. [PDF]

open access: yesEcol Evol
Based on the phylogenetic method and the spatial distribution data of 1092 Asteraceae plants in China, this study conducted a preliminary evaluation on the biodiversity and spatial phylogeny of Asteraceae plants in China for the first time and determined the biodiversity and endemic hotspots worthy of priority protection.
Zheng X   +7 more
europepmc   +2 more sources

Plant pathogens as biocontrol agents of Cirsium arvense : an overestimated approach? [PDF]

open access: yes, 2011
Cirsium arvense is one of the worst weeds in agriculture. As herbicides are not very effective and not accepted by organic farming and special habitats, possible biocontrol agents have been investigated since many decades.
Müller, Esther, Nentwig, Wolfgang
core   +2 more sources

Life after herbarium digitisation: Physical and digital collections, curation and use

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Societal Impact Statement Collections of dried plant specimens (herbaria) provide an invaluable resource for the study of many areas of scientific interest and conservation globally. Digitisation increases access to specimens and metadata, enabling efficient use across a broad spectrum of research.
Alan James Paton   +39 more
wiley   +1 more source

Steppes, savannahs, forests and phytodiversity reservoirs during the Pleistocene in the Iberian Peninsula [PDF]

open access: yes, 2010
A palaeobotanical analysis of the Pleistocene floras and vegetation in the Iberian Peninsula shows the existence of patched landscapes with Pinus woodlands, deciduous and mixed forests, parklands (savannah-like), shrublands, steppes and grasslands ...
Agustí   +259 more
core   +2 more sources

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