Results 111 to 120 of about 1,389 (203)

Celastraceae [PDF]

open access: yes
Subarbustos, arbustos o árboles de hojas simples, alternas u opuestas, brevemente pecioladas, con estípulas apareadas, pequeñas, caducas, lámina foliar entera o dentada.
Novara, Lazaro
core  

First steps towards a floral structural characterization of the major rosid subclades [PDF]

open access: yes, 2018
A survey of our own comparative studies on several larger clades of rosids and over 1400 original publications on rosid flowers shows that floral structural features support to various degrees the supraordinal relationships in rosids proposed by ...
Endress, P., Matthews, M.
core  

Long-term monitoring across elevational gradients to assess ecological hypothesis : a description of standardized sampling methods in oceanic islands and first results [PDF]

open access: yes, 2014
We are launching a long-term study to characterize the biodiversity at different elevations in several Azorean Islands. Our aim is to use the Azores as a model archipelago to answer the fundamental question of what generates and maintains the global ...
Ah-Peng, Claudine   +6 more
core  

The thionins: a protein family that includes purothionins, viscotoxins and crambins [PDF]

open access: yes, 1989
Almost half a century ago, a crystalline protein material was obtained from lipid extracts of wheat endosperm and designated "purothionin" (Trvpwo, wheat; 9 e i w v , sulphur) on account of its high sulphur content (Balls et al., 1942a,b). This material,
Carbonero Zalduegui, Pilar   +8 more
core   +1 more source

Mitochondrial DNA suggests at least 11 origins of parasitism in angiosperms and reveals genomic chimerism in parasitic plants [PDF]

open access: yes, 2007
Todd J Barkman   +6 more
core   +1 more source

Tall trees and exotic herbs identified in pollen and nest materials of seven cavity-nesting solitary bee species in Australia

open access: yesFrontiers in Bee Science
IntroductionSolitary bees are important pollinators yet vulnerable to decline in resource-poor landscapes. Resources for solitary bees may be supplemented by land managers through targeted plantings, however, little is known about the specific plants ...
R. S. Wilson   +8 more
doaj   +1 more source

Anciens villages de la zone périurbaine de Kisantu, villages de Kinduala et Kingunda, Province du Bas Congo, RDC Caractérisation, intérêts et enjeux de ces espaces boisés conservés : Projet MAKALA [PDF]

open access: yes, 2012
L'enjeu du projet MAKALA est de répondre à l'augmentation continue des besoins et aux risques de gestion non durable des ressources forestières en améliorant la durabilité de l'approvisionnement en ressource bois énergie en RDC, et au-delà, en Afrique ...
Lavialle, Jeanne, Rerolle, Julia
core  

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