Results 21 to 30 of about 58,712,709 (159)

Ecology of declining populations of gray foxes (Urocyon cinereoargenteus) in Indiana, USA Ecología de las poblaciones en declive de zorros grises (Urocyon cinereoargenteus) en Indiana, EE.UU.

open access: yesWildlife Monographs, Volume 226, Issue 1, September 2026.
We estimated seasonal space use, cover selection, and resource selection; evaluated gene flow and potential genetic barriers; and assessed cause‐specific survival rates and reproduction of radiomarked gray foxes in Indiana, USA. Our results provide evidence that gray foxes in Indiana are an edge species with relatively large home ranges, relatively low
Tim L. Hiller   +5 more
wiley   +1 more source

Assessing differences among elasmobranch nurseries to aid conservation based on a genomics framework

open access: yesConservation Biology, Volume 40, Issue 4, August 2026.
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

Tropical Bee Assemblage Diversity Decreases With Elevation While Body Size Increases

open access: yesBiotropica, Volume 58, Issue 4, July 2026.
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

Índice de atividade agropecuária de Santa Catarina [PDF]

open access: yes, 2014
TCC (graduação) - Universidade Federal de Santa Catarina. Centro Sócio-Econômico. Economia.Tanto as instituições públicas quanto as privadas se baseiam em indicadores econômicos para uma tomada de decisão mais adequada.
Girotto, Suelen Cristina
core  

La Clasificación de Sitios y el Crecimiento del Cupressus Lusitánica en Antioquia, Colombia.

open access: yesRevista Facultad Nacional de Agronomía Medellín, 1972
En plantaciones jóvenes de Cupressus lusitanica, en la Cordillera Central del Departamento de Antioquia, Colombia, se midieron 57 parcelas de las cuales se derivaron curvas de índice de sitio. Por medio de análisis de regresión de desarrollo una tabla de
Tschinkel Heinrich
doaj  

Índice de sitio en plantaciones forestales de Pinus oocarpa Shiede en Michoacán, México

open access: yesEcosistemas y Recursos Agropecuarios
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

Aplicación de las tecnologías de información y comunicación en empresas turísticas de Puerto Nuevo, Rosarito, Baja California

open access: yesRevista Nacional de Administración, 2017
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

Principios de desarrollo de Índices de Ancestralidad para taxones biológicos

open access: yesBotan‪ical Sciences, 2023
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

Effects of selective harvest on antler size of white‐tailed deer in Texas, USA

open access: yesWildlife Monographs, Volume 222, Issue 1, June 2026.
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

Índice de Autores y Materias

open access: yes, 2021
Índice de autores y ...
y Materias, Índice de Autores
core   +1 more source

Home - About - Disclaimer - Privacy