Results 81 to 90 of about 1,047 (185)

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  

A new Chlerogelloides from northeastern Brazil and French Guiana, with a key to the species (Hymenoptera, Halictidae) [PDF]

open access: yes, 2012
This is the publisher's version, also available electronically at http://www.pensoft.net/index.php.A third species of the rare augochlorine bee genus Chlerogelloides Engel et al. (Halictinae, Augochlorini) is described and figured. Chlerogelloides nexosa
Engel, Michael S.   +2 more
core   +3 more sources

Micromorphological analysis of leaf trichomes in Australian species of Boraginales

open access: yesTurczaninowia
This study investigates the leaf trichome morphology of 27 species from 23 genera across seven families of Boraginales in Australia using scanning electron microscopy (SEM). We documented a wide diversity of trichome types, including glandular, non-glandular, bifurcate, and trifurcate forms.
Hamid Nazari, Farrokh Ghahremaninejad
openaire   +2 more sources

Abundancia y diversidad de hongos formadores de micorrizas arbusculares asociadas a la vegetaci?n circundante en un ?rea de miner?a del municipio de Santa Isabel, Tolima [PDF]

open access: yes, 2017
87 p. Recurso Electr?nicoLa miner?a genera un impacto sobre los suelos, h?bitat que soporta la cadena tr?fica. A pesar de ser evidentes los cambios en el suelo y la cobertura vegetal por la acci?n minera, poco se conoce sobre los organismos en estos ...
Guzm?n Lasso, Herik Johan   +1 more
core  

A REVISION OF CORDIA SECTION GERASCANTHUS (BORAGINALES: CORDIACEAE)

open access: yes, 2013
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Mini lavori della Riunione scientifica del Gruppo per la Floristica, Sistematica ed Evoluzione [PDF]

open access: yes, 2016
Raccolta dei minilavori riguardanti i contributi orali presentati durante la riunione del Gruppo per la Floristica, Sistematica ed Evoluzione a Roma il 21-22 ottobre ...

core  

Morphology and angiosperm systematics in the molecular era [PDF]

open access: yes, 2018
Several ways in which morphology is used in systematic and evolutionary research in angiosperms are shown and illustrated with examples: 1) searches for special structural similarities, which can be used to find hints for hitherto unrecognized ...
Endress, Peter
core  

A new species of Bourreria (Ehretiaceae, Boraginales) from Costa Rica

open access: yes, 2005
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Gottschling, Marc, Miller, James S.
openaire   +2 more sources

Tejo Internacional. Guia de Visita. [PDF]

open access: yes, 2019
Em sintonia com os objetivos fixados aquando da criação do Parque Natural do Tejo Inernacional, em agosto de 2000, assume-se como propósito deste guia a apresentação de um instrumento de informação e orientação que potencie o respeito pelos valores ...
Almeida, C.M.   +8 more
core  

Descrição da biodiversidade terrestre dos Açores [PDF]

open access: yes, 2005
Os Açores constituem um arquipélago de nove ilhas oceânicas isoladas, onde os organismos terrestres chegaram através do vento, do mar, noutros animais e, nos tempos históricos, com a ajuda humana.
Borges, Paulo A. V.   +8 more
core  

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