Results 61 to 70 of about 1,028,274 (247)
Methods in Ecology and Evolution, EarlyView.Abstract Soil sampling for eDNA is a useful approach to assess ecological communities in specific locations, such as comparing community composition across different site treatments. However, species' dispersal abilities and habitat selection, among many other factors, drive the uneven distribution of organisms across the landscape. Thus, to accurately
Karen Dyson +7 more
wiley +1 more source
, 2017 O programa para agricultura familiar quer fazer crescer o excedente que cada família produz para ser comercializado, como um dos caminhos para aumentar sua renda e bem-estar.
ALVES, E. R. de A.
core
Politicas publicas para la agricultura familiar. Caracterizar para apoyar mejor [PDF]
, 2014 El Año Internacional de la Agricultura Familiar ha mediatizado el papel económico y social que juega este tipo de agricultura, así como las ventajas que presenta para hacer frente a los retos globales.
Bonnal, Philippe +5 more
core +1 more source
Comprehensive framework for assessing and optimizing existing research networks
Conservation Biology, EarlyView.Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East +2 more
wiley +1 more source
Efectos del cambio climático sobre la polinización y la producción agrícola en América tropical
Ingeniería, 2016 Los organismos polinizadores desempe~nan un rol fundamental en la agricultura y consecuentemente en la seguridad alimentaria en America tropical. Debido a las alteraciones ambientales inducidas por el cambio climatico, una variedad de especies de ...
María Alejandra Maglianesi Sandoz
doaj +1 more source
Conservation Science and Practice, EarlyView.We assessed the effectiveness of Wildlife Recovery Centers by comparing dispersal behavior of rehabilitated and wild Spanish imperial eagles using GPS tracking. Rehabilitated individuals initially moved shorter distances, rested more, and hunted less than wild controls, but these differences declined over time and ultimately disappeared.
Unai Ormazabal‐Santa Cruz +8 more
wiley +1 more source
O impacto da agricultura itinerante no bem-estar das populações rurais e nos ecossistemas naturais e semi-naturais de Timor-Leste [PDF]
, 2012 Assiste-se todos os anos à destruição de milhares de hectares da floresta em consequência da prática de agricultura itinerante de “slush and burn”ou “desmatamento e queima”. Esta actividade causa alterações nos ecossistemas florestais devido à destruição
Henriques, Pedro +3 more
core
Land Reforms in Cuba: First Empirical Assessment on Productivity Using Crop‐Level Panel Data
Economics of Transition and Institutional Change, EarlyView.ABSTRACT Land reforms implemented in Cuba since 2008 have aimed to increase agricultural production by distributing state‐owned idle lands with land‐use rights. The reforms restricted farmers with the rights from cultivating perennial and capital‐intensive crops.
Yoshihiko Hashiguchi +1 more
wiley +1 more source
Reptile assemblages across agricultural landscapes: where does biodiversity hide?
Animal Biodiversity and ConservationComunidades de reptiles en paisajes agrícolas: ¿dónde se esconde la biodiversidad? La transición de la agricultura tradicional a la intensiva, orientada a la producción a gran escala, ha alterado rápidamente los paisajes agrícolas, lo que ha conllevado ...
M. Biaggini, C. Corti
doaj +1 more source
Revista Brasileira de Ciência do Solo, 2012 Sulfur (S) deficiency in soils is becoming increasingly common in many areas of the world as a result of agronomic practices, high biomass exportation and reduced S emissions to the atmosphere. In this review, the incidence and commercial exploitation of
Adriano Reis Lucheta +1 more
doaj +1 more source