Results 71 to 80 of about 47,653 (178)

Niche-breadth of freshwater macrophytes occurring in tropical southern African rivers predicts species global latitudinal range [PDF]

open access: yes, 2016
The study tested the hypothesis that measurement, using multivariate Principal Components Analy-sis (PCA), of the niche-breadth of river macrophyte species in southern tropical Africa, may predicttheir larger-scale biogeographical range.
Bottino, F.   +18 more
core   +2 more sources

The diversity and distributions of the beetles (Insecta: Coleoptera) of the northern Leeward Islands, Lesser Antilles (Anguilla, Antigua, Barbuda, Nevis, Saba, St. Barthélemy, St. Eustatius, St. Kitts, and St. Martin-St. Maarten [PDF]

open access: yes, 2011
This paper summarizes the published information on the beetle fauna of the northern Leeward Islands (Anguilla, Antigua, Barbuda, Nevis, Saba, St. Barthélemy, St. Eustatius, St. Kitts, St. Martin-St.
Peck, Stewart B.
core   +3 more sources

Complexity of avian evolution revealed by family-level genomes

open access: yesNature
Despite tremendous efforts in the past decades, relationships among main avian lineages remain heavily debated without a clear resolution. Discrepancies have been attributed to diversity of species sampled, phylogenetic method and the choice of genomic ...
Josefin Stiller   +51 more
semanticscholar   +1 more source

The Immense Diversity of Floral Monosymmetry and Asymmetry Across Angiosperms [PDF]

open access: yes, 2018
Floral monosymmetry and asymmetry are traced through the angiosperm orders and families. Both are diverse and widespread in angiosperms. The systematic distribution of the different forms of monosymmetry and asymmetry indicates that both evolved numerous
Endress, Peter
core  

Análisis citogenéticos como herramienta para esclarecer la taxonomía del género Callisia Loefl. (Commelinaceae) [PDF]

open access: yes, 2015
Chromosome numbers, karyotypes and meiotic behaviour in 10 populations belonging to two species of Callisia Loefl. from NortheastArgentina have been studied. Callisia repens showed a basic number of x = 6 and that of C. monandra was x = 7.
Daviña, Julio R.   +2 more
core   +2 more sources

From ‘Vagabonds’ to Ethnobotanical Relevance: Weeds of the Campus Sites of Olabisi Onabanjo University, Ago-Iwoye, Nigeria [PDF]

open access: yes, 2010
A survey of the weed flora of the campus sites of the Olabisi Onabanjo University was undertaken. Several visits were made to the disturbed and undisturbed vegetation of the sites for collection of weeds after which the weeds were prepared in accordance ...
Chukwuma, E. C.   +3 more
core   +1 more source

The invasion of plant communities following extreme weather events under ambient and elevated temperature [PDF]

open access: yes, 2012
Erworben im Rahmen der Schweizer Nationallizenzen (http://www.nationallizenzen.ch)Although the problem of plant invasions is expected to increase with climate change, there is as yet little experimental evidence, in particular, for the effects of extreme
Alexander, Jake M.   +2 more
core   +1 more source

Taxonomic update for mammalian anelloviruses (family Anelloviridae)

open access: yesArchives of Virology, 2021
A. Varsani   +9 more
semanticscholar   +1 more source

Lose the plot: cost-effective survey of the Peak Range, central Queensland [PDF]

open access: yes, 2013
The Peak Range (22˚ 28’ S; 147˚ 53’ E) is an archipelago of rocky peaks set in grassy basalt rolling-plains, east of Clermont in central Queensland. This report describes the flora and vegetation based on surveys of 26 peaks.
Butler, Don W., Fensham, Rod J.
core  

Taxonomic updates for the genus Gyrovirus (family Anelloviridae): recognition of several new members and establishment of species demarcation criteria

open access: yesArchives of Virology, 2021
S. Kraberger   +9 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy