Results 61 to 70 of about 8,938 (293)

Open‐land‐derived agroforestry and effects of abandonment of management of the main crop on ecosystem services and woody plant diversity

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Tropical forests are rapidly declining. One promising strategy to reverse the loss of tropical forest is the establishment of agroforestry on open land. We combined interviews with biodiversity surveys to learn general lessons from success and nonsuccess stories of the establishment of open‐land‐derived coffee agroforests in one of the world's ...
Lucas M. Fonzaghi   +3 more
wiley   +1 more source

Jaguar Sierra - Grupo de Activistas - Ambientalistas

open access: yes, 2017
La diversidad y equilibrio biológico de la Sierra Nevada de Santa Marta está en peligro, esto se evidencia con la pérdida de más del 80% de sus bosques y con ello la erosión y sedimentación de cuencas hidrográficas, la constante explotación de madera y ...
Jaguar Sierra
core  

Gene turnover in the common ancestor of all C4 grasses

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Understanding how plants evolve more efficient photosynthesis is important in a warming world where improving crop productivity and resilience is a global priority. By generating the first reference genomes for an early‐diverging group of grasses called the Aristidoideae, we were able to reconstruct the genetic makeup of the last common ancestor of all
Lara Pereira   +6 more
wiley   +1 more source

Environmental quality for jaguar, puma and ocelot in Guaratuba Bay, State of Paraná, using the programs Capture and Presence [PDF]

open access: yesBiotemas, 2008
Two month-long expeditions to Guaratuba Bay in the southern Atlantic Forest of Brazil were conducted in 2006. Parameters calculated from vestiges and camera-trap sampling were mammalian richness and proportion of area occupied (PAO) by jaguar, puma, and ...
Matthias Ludwig Alfons Hammer   +1 more
doaj  

En búsqueda del jaguar: Representaciones y narraciones en el trapecio amazónico [PDF]

open access: yes, 2013
El jaguar (Panthera onca) ha sido, a través de los tiempos, un importante símbolo para las culturas centro y suramericanas, desempeñando un rol significativo en el desarrollo de las sociedades que han estado bajo su influencia.
Beltrán, Catalina
core  

Using art history to explore society's changing connections with agriculture

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Food insecurity is a looming challenge that especially affects those least fortunate. Consumer food choices have a substantial impact on the sustainability of current food systems. Here, we use art as a lens through which to consider our contemporary and historical relationship to one of the world's most crucial crops, the potato, in the context of the
Edward F. Hill‐King   +2 more
wiley   +1 more source

Príncipe Jaguar

open access: yes, 2022
Príncipe Jaguar es un poema original de Ismael Briceño Mukul. Este poema en español ha sido traducido del maya yucateco que también aparece en este número de América ...
Briceño Mukul, Ismael
core   +1 more source

Atlantic Rainforest's Jaguars in Decline

open access: yesScience, 2013
In her News Focus story “Predators in the 'hood” (20 September, p. [1332][1]), V. Morell reported that top predator populations are coming back across much of North America. Meanwhile, predators in Brazil continue to decline.
Galletti, Mauro   +12 more
openaire   +3 more sources

Concussed: Unintended Consequences of the Guardian Cap Mandate in the NFL

open access: yesSouthern Economic Journal, EarlyView.
ABSTRACT Guardian Caps are padded shells worn over American football helmets to cushion impacts and reduce concussion risks. In 2022, the NFL mandated their use for specific position groups during preseason practices, later expanding this requirement. While the league praised the Caps for enhancing player safety, skeptics argue they may promote riskier
Kerianne Lawson Rubenstein, Todd Nesbit
wiley   +1 more source

Remarkable records of jaguars and Andean bears in northwestern Ecuador: Implications for human-wildlife conflicts [PDF]

open access: yesNeotropical Biology and Conservation
Jaguar populations (Panthera onca) on the Ecuadorian coast are critically endangered, with only a few dozen individuals remaining in the region. In some areas, no records have been documented for decades.
Javier Torres-Jiménez   +10 more
doaj   +3 more sources

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