Results 41 to 50 of about 16,773 (223)

Effectiveness of integrated shrub management and restoration techniques for rehabilitating shrub‐encroached rangelands of South Africa

open access: yesGrassland Research, EarlyView.
Herbaceous plant recovery following shrub clearing and reseeding in the rangelands of Peddie, Eastern Cape of South Africa. CTL, control; CO, cutting only; CR, cutting and reseeding; UPO, uprooting only; UPR, uprooting and reseeding. Abstract Background Shrub encroachment (SE) drives rangeland degradation, threatening biodiversity and forage ...
Monelisi Makanya   +3 more
wiley   +1 more source

Morphological Characterization and Conservation Status for the Herbarium Specimens of Orchidaceae in Kurdistan Iraq

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2023
This study was contacted on Orchidaceae, it is a second largest family in flowering plants, comes after Asteraceae, and approximately has 25,000–30,000 species in 750–800 genera in the world.
Saman Abdulrahman Ahmad   +2 more
doaj   +1 more source

The diversity and floral hosts of bees at the Archbold Biological Station, Florida (Hymenoptera: Apoidea) [PDF]

open access: yes, 2002
A list is provided of 113 species of bees and their 157 known floral hosts at the Archbold Biological Station(ABS), a 2105 ha site on the Lake Wales Ridge in Highlands County in south-central Florida.
Deyrup, Mark   +2 more
core   +1 more source

Diterpenoid Diversity across Land Plants

open access: yesHelvetica Chimica Acta, EarlyView.
Here we bridge the knowledge of diterpene chemical diversity, biosynthesis, and evolution from nonvascular mosses and liverworts to that known from vascular plants. ABSTRACT The diverse array of diterpenoid natural products stems from the ease of manipulating the promiscuity of diterpene cyclases.
Anita Berg   +2 more
wiley   +1 more source

Interstitial Arabidopsis-Type Telomeric Repeats in Asteraceae

open access: yesPlants, 2021
Tandem repeats of telomeric-like motifs at intra-chromosomal regions, known as interstitial telomeric repeats (ITR), have drawn attention as potential markers of structural changes, which might convey information about evolutionary relationships if ...
Alexis J. Maravilla   +4 more
doaj   +1 more source

Population genetics and phylogenetic study of the genus Tolpis in the Azores and Madeira [PDF]

open access: yes, 2012
Dissertação de Mestrado, Biodiversidade e Biotecnologia Vegetal, 22 de Junho de 2012, Universidade dos Açores.O género Tolpis é constituído por aproximadamente 12 espécies que se encontram distribuídas por África, Europa e pelas ilhas da Macaronésia.
Silva, Lurdes da Conceição Borges
core  

Reconstructing post‐crisis recovery in the hinterlands of Constantinople: A high‐resolution first‐millennium CE pollen record from Lake Yeniçağa (NW Türkiye)

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Facing a novel plague pandemic, military invasions, and political–economic transformations, societies of the eastern Roman (Byzantine) empire had to adapt to a variety of pressures and new ways of exploiting their natural environments during the mid‐1st millennium CE.
Cristiano Vignola   +7 more
wiley   +1 more source

A New Record of the Genus Onopordum from Asteraceae for the Flora of Iran [PDF]

open access: yesتاکسونومی و بیوسیستماتیک, 2018
Onopordum is one of the extremely armed genus of the family of Asteraceae which is native to the Mediterranean and Irano-Turanian regions. This genus comprises 7 species that are distributed in most parts of the country.
Kazem Negaresh
doaj   +1 more source

Rhodora [PDF]

open access: yes, 2001
Index v.76-100 ...
Fernald, Merritt Lyndon, 1873-1950   +2 more
core   +1 more source

Evolution of plant ribosome-inactivating proteins [PDF]

open access: yes, 2010
This contribution presents an updated analysis of the evolution of ribosome-inactivating proteins (RIPs) in plants. All evidence suggests that an ancestor of modern seed plants developed the RIP domain at least 300 million years ago.
Peumans, Willy J, Van Damme, Els
core   +1 more source

Home - About - Disclaimer - Privacy