Results 11 to 20 of about 1,052 (137)
En el año 2006 iniciaron esfuerzos de valoración económica de los servicios ecosistémicos que brindan los bosques en Paraguay, esta información es de mucha utilidad para la implementación de políticas públicas.
Maria Laura Quevedo Fernandez +8 more
doaj +1 more source
La investigación tiene como objetivo analizar la aplicación de las TIC en las empresas turísticas de Puerto Nuevo, Rosarito, Baja California, México. Puerto Nuevo se encuentra dentro del Municipio de Rosarito, existen alrededor de 30 restaurantes, su ...
Isaac Cruz Estrada +1 more
doaj +1 more source
Taxonomic and functional diversity of urban bees of the world
Abstract Bees play a pivotal role in terrestrial environments. Urbanization can affect these organisms and the ecosystem services they provide. However, knowledge of the global diversity of urban bees is limited. Thus, we summarized data on urban bee species identities and occurrences; compared distributions of all bees with those found in urban ...
João C. F. Cardoso +10 more
wiley +1 more source
Assessing differences among elasmobranch nurseries to aid conservation based on a genomics framework
Abstract Elasmobranch nurseries often differ in environmental conditions, demographics, and use patterns. These differences affect the distribution of genetic variation among nurseries. However, conservation and management strategies often fail to account for such differences because they are difficult to characterize.
Dominic G. Swift +8 more
wiley +1 more source
Índice de sitio en plantaciones forestales de Pinus oocarpa Shiede en Michoacán, México
La altura dominante de los árboles de un sitio es un indicador indirecto de la productividad de los suelos forestales y se le denomina calidad de estación, la cual se mide a través del índice de sitio.
Xavier García-Cuevas +5 more
doaj +1 more source
Principios de desarrollo de Índices de Ancestralidad para taxones biológicos
Antecedentes. Históricamente en biología ha habido discrepancias a la hora de considerar a ciertos taxones dentro de las categorías “nativo” o “exótico” en determinadas áreas geográficas. Preguntas y/o hipótesis.
Elián M. Espósito Sandoval
doaj +1 more source
Tropical Bee Assemblage Diversity Decreases With Elevation While Body Size Increases
Photos of bee specimens collected in the Colombian Andes across a nearly 3000 m elevational cline. They are arranged to illustrate both the decline in richness with elevation and the increase in community average body size with elevation. ABSTRACT Elevation gradients are powerful drivers of changes in species composition, richness, and functional ...
Nash E. Turley +6 more
wiley +1 more source
El objetivo fue determinar la capacidad del índice circunferencia abdominal – talla para predecir dos o más alteraciones clínico-metabólicas, según sitio de medición de circunferencia abdominal. Se hizo un estudio observacional analítico transversal.
Morales Adaucio, Montilva Mariela
doaj
Effects of selective harvest on antler size of white‐tailed deer in Texas, USA
We conducted 20 years of experiments on the selective harvest of white‐tailed deer by antler size, judged inferior, in 2 areas of South Texas, USA. Selective harvest increased the phenotypic antler size of older males in one study area but not the other. There was little evidence of evolution resulting from selective harvesting. Abstract There has been
Don A. Draeger +8 more
wiley +1 more source
Este trabalho teve como objetivos estudar o crescimento em altura dominante para Pinus elliottii e Pinus taeda, mediante comparações entre as curvas de índice de sítio construídas para algumas regiões do estado do Rio Grande do Sul e outros Estados da ...
Helio Tonini +3 more
doaj +1 more source

