Results 91 to 100 of about 7,667 (209)

Functional trait interactions drive seed buoyancy and dispersal strategies in Echinocystis lobata [PDF]

open access: yesNeoBiota
Hydrochory (water dispersal) is a major driver of plant invasions in riparian landscapes but both the diaspore traits that determine flotation and the contribution of water-mediated transport to the colonization success of non-native species remain ...
Adam Szulc   +2 more
doaj   +3 more sources

Comments on the Composition of Catlinite and Ohio Pipestone [PDF]

open access: yes, 1996
Previous efforts to distinguish Minnesota (and Kansan) catlinite and Ohio Pipestone (Sciotoville fireclay) are ...
Murphy, James L., 1941-
core  

Use of bauxite from active Iranian mines for the removal of fluoride from drinking water [PDF]

open access: yes, 2017
Background: Fluoride plays an important role in bone and dentin mineralization; however, excess fluoride intake is harmful to mankind. Methods: This study evaluated the performance of bauxite from active Iranian mines in removing fluoride from ...

core  

Bryophytes (Musci) unexpectedly rare or absent in the Azores. [PDF]

open access: yes, 2006
Search for bryophytes in the Azores has until now resulted in a recording of about 430 species of mosses and hepatics. A few of these species are endemic to the Azores or to the Macaronesian island groups.
Sjögren, Erik
core  

An EMP and TEM—AEM Study of Margarite, Muscovite and Paragonite in Polymetamorphic Metabauxites of Naxos Cyclades, Greece) and the Implications of Fine-scale Mica Interlayering and Multiple Mica Generations [PDF]

open access: yes, 2017
Coexisting white micas and plagioclase were studied by electron microprobe (EMP), and transmission and analytical electron microscopy (TEM—AEM) in greenschist- to amphibolite-grade metabauxites from Naxos.
FEENSTRA, ANNE
core  

The effect of gut passage by waterbirds on the seed coat and pericarp of diaspores lacking "external flesh": Evidence for widespread adaptation to endozoochory in angiosperms.

open access: yesPLoS ONE, 2019
The widely accepted "endozoochory syndrome" is assigned to angiosperm diaspores with a fleshy, attractive tissue and implies the existence of adaptations for protection against digestion during gut passage. This syndrome has led diaspore fleshiness to be
Mihai Costea   +6 more
doaj   +1 more source

Українські художники в Чикаго: творчий шлях і результати діяльності [PDF]

open access: yes, 2019
Досліджується творча спадщина українських художників – представників діаспори з м. Чикаго, США, зокрема Юрія Скорупського, Еріки Комоні та Василя Федорука.
Кашшай, Олена Степанівна
core  

Clonal Dynamics and Evolution of Dormancy in the Leafy Hepatic "Lophozia silvicola" [Revised 10 September 2001] [PDF]

open access: yes, 2001
Dead shoots of colonies of hepatic species "Lophozia silvicola" Buch are replaced by shoots developing from asexual propagules, the gemmae. Observations of two populations of "L.
Heino, M., Laaka-Lindberg, S.
core  

Reproductive biology of "Helianthemum apennium" (L.) Mill. and "H. caput-felis" Boiss. (Cistaceae) from Mallorca (Balearic Island, Spain) [PDF]

open access: yes, 1997
El estudio de la biología reproductiva de poblaciones naturales de Helianthemum apenninum y H. caput-felis en Mallorca ha demostrado que son básicamente entomófilos, aunque también producen numerosos frutos por auto-polinización. Las flores de H.
Gil Sánchez, Luis   +2 more
core   +1 more source

Scientific results of the Bryotrop expedition to Zaire and Rwanda : 7., life strategies of epiphytic bryophytes from tropical lowland and montane forests, ericaceous woodlands and the Dendrosenecio subpáramo of the eastern Congo basin and the adjacent mountains (Parc National de Kahuzi-Biega/Zaire, Forêt de Nyungwe/Rwanda) [PDF]

open access: yes, 1995
Life strategies of epiphytic bryophytes are studied along an altitudinal gradient from the eastern Congo basin (tropical lowland zone) to the mountains of the East-African graben (tropical subalpine/alpine Zone; BRYOTROP III-transect).
Frey, Wolfgang   +2 more
core  

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