Results 51 to 60 of about 61,777 (169)

Key features of a succesful invasive macroalgae: the case of asparagopsis taxiformis in Alboran Sea [PDF]

open access: yes, 2017
Asparagopsis taxiformis (Bonnemaisoniales, Rhodophyta) is considered one of the most invasive seaweeds in the Mediterranean, and is included in the spanish checklist of invasive species.
Altamirano-Jeschke, Maria   +3 more
core  

El césped del vecino es más verde: Flora de patios a través de un gradiente social [PDF]

open access: yes, 2015
Urban backyards have considerable potential for biodiversity conservation and the enhancement of food security. However, these spaces are poorly planned, there is little information on the diversity of flora present in the backyards of different social ...
Albertin, Ricardo Massulo   +5 more
core   +2 more sources

Feeding habits of Cataetyx alleni (Pisces: Bythitidae) in the deep western Mediterranean

open access: yesScientia Marina, 2002
This study examines the feeding habits of Cataetyx alleni, the fifth most abundant species below 1000 m depth on the deep slope of the Catalan sea (western Mediterranean), between 1000 and 1800 m depth.
Maite Carrassón, Jesús Matallanas
doaj   +1 more source

Teaching plant diversity at University level: an innovative didactic approach [PDF]

open access: yes, 2009
Se implementó una propuesta didáctica innovadora en la asignatura Diversidad Vegetal II (Biología, Universidad Nacional de Córdoba) a partir de problemas y preguntas, promoviendo la participación activa de los alumnos en el aprendizaje.
Anton, Ana Maria Ramona   +6 more
core  

Estados de condición del sitio pastizal de gramíneas bajas de planicie presentes en el departamento Loventué La Pampa

open access: yesSemiárida, 2020
Se evaluó la condición de pastura en 20 áreas de pastizal de planicie en el Departamento Loventué, La Pampa. La identificación del estado de condición se realizó en función del peso de las especies por unidad de muestreo.
E. Cano   +3 more
doaj  

Reproduction, gonad histology and fecundity of Aidablennius sphynx (Pisces: Blenniidae) of the Catalan Sea (North-Western Mediterranean)

open access: yesScientia Marina, 2003
The reproductive biology of the Mediterranean blenny fish Aidablennius sphinx was studied on the basis of microscopic and macroscopic analysis. A. sphynx is a resident species of the shallow waters of this region, lays demersal eggs and provides parental
Maite Carrassón, Marina Bau
doaj   +1 more source

Towards the use of distance sampling to monitorize mountain ungulates numbers. [PDF]

open access: yes, 2008
Many management actions involving mountain ungulates require unbiased and precise estimations of their numbers. Topography, among other factors, makes difficult the use of direct methods and to assess the effective area sampled. On the other hand, social
Alpizar-Jara, R., Perez, J.M.
core  

Números cromosomáticos de plantas occidentales

open access: yesAnales del Jardín Botánico de Madrid, 2000
Not ...
Xose Ramón García Martinez   +12 more
doaj   +1 more source

Feeding Biology of Pectoral Sandpiper Calidris Melanotos (Birds: Scolopacidae) In the Floodplain of the Paraná River, Argentina [PDF]

open access: yes, 2010
This study focuses upon the nourishing biology of the Pectoral Sandpiper at the floodplain of the Paraná river during  spring and summer. Trophic spectrum, feeding selectivity and efficiency, extent of the trophic niche, circadian rhythm of feeding ...
Bagnarol, Mónica   +4 more
core  

Aridity-induced phenological shifts and greening trends in Mediterranean forest species: Insights from 28 years of Landsat data in southern Spain

open access: yesEcological Indicators
Land surface phenology is influenced by a complex interplay of various abiotic factors, including climatic, edaphic, and topographic conditions, along with biotic factors such as competition or species composition.
Aurelio D. Herraiz   +4 more
doaj   +1 more source

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