Results 51 to 60 of about 77,395 (265)

Resolving the biome debate: ecological and palaeo‐data concur that the extensive tree‐limited grassy biomes of central and north‐western Madagascar are largely anthropogenic

open access: yesBiological Reviews, EarlyView.
ABSTRACT For millennia, human activities have transformed ecosystems globally. Determining which landscapes are predominantly anthropogenic is crucial to conservation and habitat restoration. Madagascar, a critically‐threatened biodiversity hotspot, is a prominent example.
Grant S. Joseph   +7 more
wiley   +1 more source

Evaluation of Selected Ornamental Asteraceae as a Pollen Source for Urban Bees

open access: yesJournal of Apicultural Science, 2016
Offering more floral resources for urban bees can be achieved by growing ornamental bee plants. The aim of the present study was to evaluate selected Asteraceae (Calendula officinalis ‘Persimmon Beauty’ and ‘Santana’, Centaurea macrocephala, Cosmos ...
Wróblewska Anna   +2 more
doaj   +1 more source

Phytochemistry, Chemotypic Diversity and Antimicrobial Potential of Essential Oils From Native Aromatic Plants of the Americas: A Systematic Review

open access: yesFlavour and Fragrance Journal, EarlyView.
This review bridges ancestral indigenous knowledge with modern pharmacology, summarizing the phytochemistry and antimicrobial properties of essential oils from seven native American species. It highlights their significant activity against bacterial, fungal and parasitic pathogens, emphasizing their potential as sustainable therapeutic and agricultural
Arley Rey Páez   +2 more
wiley   +1 more source

Presença de alcalóides pirrolizidinicos em Ageratum conyzoides L., Asteraceae [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-graduação em FarmáciaAgeratum conyzoides L. é conhecida popularmente como "mentrasto" e pertence à família Asteraceae.
Bosi, Cristiane Fracari
core  

Asteraceae Pollen Provisions Protect Osmia Mason Bees (Hymenoptera: Megachilidae) from Brood Parasitism [PDF]

open access: yes, 2016
Many specialist herbivores eat foods that are apparently low quality. The compensatory benefits of a poor diet may include protection from natural enemies.
Silverman, Sarah   +2 more
core   +1 more source

‘The most advanced outpost of cultivation’: palynological evidence for cereal agriculture and population resilience in a marginal upland environment

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Upland farming in Europe is frequently assumed to have been limited and precarious, despite relict spade‐dug ridges providing firm evidence of past crop growing. Direct evidence for crop types in post‑Medieval to Modern (~since 1500 CE) uplands is rare; yet, in Ireland, relict spade‐dug ridges that date to this period are commonly interpreted ...
Helen Essell, Gill Plunkett
wiley   +1 more source

The molecular phylogeny of Pectis L. (Tageteae, Asteraceae), with implications for taxonomy, biogeography, and the evolution of C4 photosynthesis [PDF]

open access: yes, 2013
textThis study examines the evolutionary history of Pectis L., a neotropical genus of ~90 species of xeric-adapted, herbaceous, annuals and perennials.
Hansen, Debra Rae
core  

phylogenetic supertree of Asteraceae

open access: yes, 2016
Dataset of phylogenetic supertree of Asteraceae ...
Lucie Mota (3253665)   +2 more
core   +1 more source

Review of phytochemical and antioxidant properties of Ethiopian medicinal plants

open access: yesJSFA reports, EarlyView.
Abstract Ethiopia possesses a rich ethnobotanical heritage and diverse medicinal flora that play an important role in traditional healthcare. Many Ethiopian medicinal plants contain bioactive phytochemicals with potential antioxidant properties. This capital of indigenous knowledge has contributed to the documentation of different medicinal plants that
Endalamaw Yihune   +2 more
wiley   +1 more source

The Composition of The Essential Oil of Achillea Tenuifolia LAM. From IRAN [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 1999
The water-distilled essential oil from dried aerial parts of achillea tenuifolia Lam. Was analysed by GC and CG/MS. 48 Components were characterized representing 88% of the total oil.
Abdolhossein Rustaiyan   +3 more
doaj  

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