Results 71 to 80 of about 9,285,660 (324)

The shared benefits of fallen fruits: A novel mechanism stabilizing a nursery pollination mutualism between Sambucus and kateretid beetles

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Understanding how cooperative interactions remain stable matters for biodiversity because many plants rely on specialist insects that can also impose reproductive costs. We studied the interaction between Sambucus sieboldiana and seed‐consuming Heterhelus beetles through detailed field observations and pollination experiments.
Suzu Kawashima   +3 more
wiley   +1 more source

Synergy‐based crop suitability assessment for agrivoltaics: An easy‐to‐use traffic‐light framework for temperate climates

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Climate change and the growing demand for renewable energy are putting increasing pressure on land, as food production and solar power generation often compete for the same areas. In this study, we assessed which temperate‐region crops are best suited for agrivoltaics, a technology combining farming and solar electricity production on the same land. We
Salome Hauger   +6 more
wiley   +1 more source

Determinantes estructurales de las redes sociales en los hombres y las mujeres

open access: yesPapers, 1995
Las redes personales de los hombres y de las mujeres, en muchos casos, difieren en composición y en tamaño. Las redes de los hombres se centran en las no familiares, mientras que las de las mujeres se componen en su mayoría por familiares.
Félix Requena Santos
doaj   +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

Climate‐driven intraspecific shifts in seed germination phenology: Consequences for native temperate woodland restoration and regeneration

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
As climate change alters seasonal patterns, temperate tree populations face a growing risk of phenological mismatch, where seed dispersal and germination no longer align with favourable conditions for survival. This study predicted how warming by the end of the century will affect seed dormancy breaking and germination in populations of three UK tree ...
Roberta L. C. Dayrell   +8 more
wiley   +1 more source

Estructura e interacción social

open access: yesAnuário Antropológico, 2018
Tradicional ha sido la escisión académica entre los distintos objetos tanto de la Sociología empírica como teórica. Por un lado, encontramos aquel trabajo sociológico volcado hacia el análisis de las macroestructuras, de las unidades sociales amplias y ...
Eugenia Ramirez Goicoechea
doaj  

El Castellet de Banyoles (Tivissa): Una ciudad ibérica en el curso inferior del río Ebro

open access: yesArchivo Español de Arqueología, 2012
Aunque es un yacimiento recurrentemente mencionado en la bibliografía especializada, hasta hace pocos años el Castellet de Banyoles sólo era realmente conocido por los hallazgos monetarios y de elementos suntuarios de carácter ritual, a parte de las ...
Joan Sanmartí   +3 more
doaj   +1 more source

La representación social del guadalupanismo en el programa de televisión La Rosa de Guadalupe [PDF]

open access: yes, 2012
Este artículo presenta la representación social del guadalupanismo contenida en el programa de televisión La Rosa de Guadalupe desde la estructura del sustrato narrativo de la parábola y el intertexto del mito guadalupano.
Lázaro Altamirano, Saúl
core  

Perspectives and behaviors surrounding planting practices in North America inform genetic conservation realities for American ginseng (Panax quinquefolius)

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
American ginseng is a shade‐obligate, North American medicinal plant that is widely traded and used internationally. To meet global demand, ginseng is cultivated in forest farms in the Appalachian region of the USA and field‐based artificial shade farms in two regions: Ontario, Canada and Wisconsin, USA. We conducted social research leveraging in‐depth
Rachel E. Palkovitz   +2 more
wiley   +1 more source

Mercado de bovinos para engorda en México: un enfoque de redes

open access: yesAgronomía Mesoamericana
Introducción. La red de movilización de ganado bovino para engorda en México es compleja. El motivo, volumen, origen y destino de los animales movilizados determinan la estructura económica y red de mercado. Objetivo.
Nicolás Callejas-Juárez
doaj   +1 more source

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