Results 91 to 100 of about 85,940 (218)
The Welfare Effects of Restricting Off-Highway Vehicle Access to Public Lands [PDF]
Off-highway vehicle (OHV) use is a rapidly growing outdoor activity that results in a host of environmental and management problems. Federal agencies have been directed to develop travel management plans to improve recreation experiences, reduce social ...
Blahna, Dale +3 more
core +1 more source
Phylogenetic history shapes the composition of floral scents in a specialized pollination mutualism
Summary Most studies of the chemical ecology of plant–pollinator interactions emphasize the role of pollinator‐mediated selection in shaping floral scent composition. Nevertheless, phylogeny may constrain the metabolic pathways underlying these profiles, thereby influencing the evolutionary trajectory of the emitted signals.
Li Cao +8 more
wiley +1 more source
Reclaimed water provides a sustainable and economical alternative for landscape irrigation, but its elevated salinity can negatively impact sensitive plant species.
Haifeng Xing +3 more
doaj +1 more source
The first organized program in physical education appeared in American colleges at the University of Virginia between the years 1850 and 1860. the first public school program appeared somewhat later. Since these beginnings, school and college programs have advanced steadily, keeping pace with our advancement in the philosophy of education and ...
openaire +2 more sources
On Making Descendant Communities: Three Case Studies From Historical Bioarchaeology
ABSTRACT Bioarchaeologists, museums and universities, journal editorial boards, and academic professional organizations are working toward ethical engagements with human remains, with a focus on descendant community engagement. This article reexamines past and present bioarchaeological descendant community engagement to consider how “descendant ...
Alanna L. Warner‐Smith +2 more
wiley +1 more source
Exploring the interactive effect of water and fertilizer on yield, soil water and nitrate dynamics of young apple tree is of great importance to improve the management of irrigation and fertilization in the apple-growing region of semiarid northwest ...
Hanmi Zhou +7 more
doaj +1 more source
Since its beginning well over a quarter of a century ago, the Vocational Agriculture program has become an integral part of the American school system. The legislative groundwork for Vocational Agriculture, as well as all other vocational programs, was set in 1917 with the passing of the Smith-Hughes Act.
openaire +2 more sources
An injectable CNC–PNIPAM hydrogel is developed for intrauterine co‐delivery of levonorgestrel and botropase. This platform reprograms uterine natural killer cells toward an immune–tolerant phenotype and enhances endometrial receptivity marker expression. The results demonstrate a promising strategy to counteract endometriosis–associated infertility and
Zhou Liang +9 more
wiley +1 more source
An Evaluation of the Guidance Tests Given at Utah State Agricultural College for the Year 1946-1947
The guidance tests given at Utah State Agricultural College are used in helping students in the selection of their vocational objectives and in helping in the planning of a program of study. The problem of this thesis is threefold: (1) to determine the value of the entrance tests given at the Utah State Agricultural College in the Fall of 1945-47 for ...
openaire +2 more sources
ABSTRACT Background Epidemiologic data on the association between maternal fish intake and birth defects are sparse. Our objective was to assess associations between maternal fish intake and 52 different birth defects, most of which have not been assessed previously.
Dorothy Kim Waller +10 more
wiley +1 more source

