Results 51 to 60 of about 1,900 (217)

Estratègia mundial per a la conservació dels recursos naturals de la Terra, la Unió Internacional per a la Conservació de la Natura i dels Recursos Naturals (UICN) [PDF]

open access: yes, 2014
Set-cents experts pertanyents a més de cent països expliquen les raons d'una estratègia mundial per a la conservació dels recursos vius del ...
Redacció Revista
core   +1 more source

A step into the shadows: Evolutionary shifts in fruit structure and dispersal strategies in Asian mycoheterotrophic Ericaceae

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
This study examines how the fruits of non‐photosynthetic forest plants in the Monotropoideae (Ericaceae) have evolved into the diversity observed today. By analyzing four Asian species, we identified a shift from dry, dehiscent fruits that release seeds into the air to fleshy, berry‐like fruits adapted for animal dispersal.
Alexey N. Sorokin   +9 more
wiley   +1 more source

Alimentació i energia (I): estat de la qüestió [PDF]

open access: yes, 2019
L’energia continguda en els aliments procedeix de l’energia solar capturada pels organismes fotosintètics. Amb unes necessitats alimentàries humanes mitjanes de 1.050 kWh/hab/any (2.500 kcal/hab/dia), la cadena alimentària mundial va consumir el 2008 una
Flotats Ripoll, Xavier   +1 more
core  

Development and adoption of Kernza—A perennial grain crop for sustainable agriculture

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Annual cereal grains account for ~50% of human food calories, but cultivation of these crops has resulted in major environmental and social issues worldwide. For nearly three decades, researchers have been breeding intermediate wheatgrass—a perennial cool‐season grass—to serve as the world's first commercial‐scale perennial grain crop to improve ...
Jessica L. Gutknecht   +15 more
wiley   +1 more source

Denominació d'horitzons genètics (i capes) [PDF]

open access: yes
En aquest treball es presenta una proposta per a la denominació d'horitzons genètics dels sòls de Catalunya, recollint especialment el cas de la gènesi dels que s'han desenvolupat sobre materials originaris rics en carbonatats i guix.
Grup de Treball Nomenclatura d'Horitzons,
core  

Nutritional properties, traditional uses and potential new applications for the sotol plant (Asparagaceae, Convallarioideae): A review

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Sotol (Dasylirion spp.) is a resilient desert plant that sustains ecosystems, cultures and livelihoods in Chihuahua Desert. Our review highlights its nutritional properties, traditional uses and potential new applications in food, pharmaceuticals, renewable energy and water remediation. By synthesizing evidence across disciplines, we show how sotol can
Dámaris Leopoldina Ojeda Barrios   +7 more
wiley   +1 more source

Agricultural and environmental drivers of variation in the composition of food crops: A scoping review

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Agricultural management and environmental conditions influence the biochemical composition of food crops; however, the specific drivers of this variation remain insufficiently understood, despite their importance for climate change adaptation and human health.
Kat Morgan   +24 more
wiley   +1 more source

Characterization of thermal insulation materials developed with crop wastes and natural binders [PDF]

open access: yes, 2014
This paper seeks to discuss the possibility of developing insulation materials for the construction sector made of non-industrial crop wastes and natural binders.
Avellaneda Díaz-Grande, Jaume   +3 more
core  

A national crop wild relative checklist for Zimbabwe reveals edible crop wild relative diversity of regional and global importance

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Crop wild relatives (CWR) in Zimbabwe are reservoirs of beneficial agronomic traits, yet they remain under‐documented and poorly conserved. This study developed Zimbabwe's first national CWR checklist based on a conceptual framework combining floristic, ecological and ethnobotanical data, revealing over 2700 taxa, with nearly 1000 edible species ...
Kudakwashe Mutasa   +3 more
wiley   +1 more source

Desenvolupament de projecte executiu de rehabilitació i canvi d'ús d'una masia a casa rural [PDF]

open access: yes, 2010
L’objectiu fonamental del meu Projecte Final de Carrera (PFC) és duu a terme la rehabilitació de la masia “Cal Obach” per un posterior canvi d’ús a casa de turisme rural.
Cases Mérida, Jesús
core  

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