Results 31 to 40 of about 1,356 (139)

Forage availability of communities vegetable of Mendoza (Argentina) [PDF]

open access: yes, 1997
Se analiza la disponibilidad forrajera de comunidades vegetales desarrolladas en un gradiente altitudinal en Cacheuta (Luján de Cuyo, Mendoza, Argentina) donde hay 60 especies forrajeras que representan el 21,58 % de la flora local del área.
Méndez, Eduardo
core  

La técnica historiográfica del Toledano: procedimientos de organización del relato [PDF]

open access: yes, 2003
Este trabajo estudia los procedimientos de organización de la narración empleados en la Historia gothica del arzobispo don Rodrigo Ximénez de Rada. En primer lugar, intenta rastrear los precedentes historiográficos que fueron tenidos en cuenta por el ...
Fernández-Ordóñez, Inés
core   +2 more sources

The influence of floral traits on specialisation and modularity of plant-pollinator networks in a biodiversity hotspot in the Peruvian Andes [PDF]

open access: yes, 2016
Background and Aims: Modularity is a ubiquitous and important structural property of ecological networks which describes the relative strengths of sets of interacting species and gives insights into the dynamics of ecological communities.
Dormann, Carsten F   +3 more
core   +1 more source

Biphenyls from aerial parts of Ribes takare [PDF]

open access: yes, 2014
Three new biphenyls, 4,7,8-trimethoxy-2,3-methylenedioxydibenzofuran (1), 7-hydroxy-4,8dimethoxy-2,3-methylenedioxydibenzofuran (2), and 3',5-dimethoxy-3,4-methylenedioxybiphenyl (3), along with eighteen known compounds (4-21) were isolated from the ...
Chen, Xiao-Zhen   +7 more
core  

Pequenas plantas, grandes estratégias : adaptações e sobrevivência no Cerrado [PDF]

open access: yes, 2016
Tese (doutorado)—Universidade de Brasília, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, 2016.A abundância e diversidade de ervas/subarbutos em formações savânicas chamam a atenção de qualquer observador mais atento.
Giroldo, Aelton Biasi
core   +1 more source

Diversity and Allelopathic Potential of Weeds among Panamanian Coffee Crops [PDF]

open access: yes, 2018
Worldwide, coffee is one of the most highly consumed and produced crops. Coffee production is a significant activity in the Panamanian economy, mainly in rural communities and among indigenous groups in the Chiriquí province highlands.
Cherigo, Lilia   +2 more
core   +1 more source

Una aproximación sintaxonómica sobre la vegetación del Perú: clases, órdenes y alianzas [PDF]

open access: yes, 2002
Una aproximación sintaxonómica sobre la vegetación del Perú. Clases, órdenes y alianzas. En el presente trabajo damos a conocer una primera aproximación al esquema sintaxonómico de la vegetación peruana hasta el nivel de alianza.
Cáceres, César   +2 more
core   +2 more sources

Datos sobre la vegetación del centro del Perú [PDF]

open access: yes, 2004
Datos sobre la vegetación del centro del Perú. El presente artículo trata de aportar algunas novedades fitosociológicas sobre los valles centrales del Departamento de Lima (Perú).
Baldeón, Severo   +4 more
core   +1 more source

A SCREENING FOR NATURAL COLORANTS IN THE ZONGO VALLEY WITH PROBABLE ANTIOXIDANT AND/OR PHOTO-PROTECTOR ACTIVITIES

open access: yesInvestigación & Desarrollo, 2016
Eleven plants were collected in the Zongo Valley following an organoleptic and chimio-taxonomic criteria of collection to find species with colorant and photo-protector properties.
Sandra L. Ibáñez-Calero   +5 more
doaj  

Curtis\u27s botanical magazine. [PDF]

open access: yes
v.58=ser.2:v.5 (1831) [no.3039 ...
Bentham-Moxon Trust.   +10 more
core   +1 more source

Home - About - Disclaimer - Privacy