نتایج جستجو برای: mountain climate

تعداد نتایج: 193911  

2017
Scotty Strachan Christopher Daly

Studies in mountainous terrain related to ecology and hydrology often use interpolated climate products because of a lack of local observations. One data set frequently used to develop plot-to-watershed-scale climatologies is PRISM (Parameter-elevation Regression on Independent Slopes Model) temperature. Benefits of this approach include geographically weighted station observations and topograp...

2001
Zhang Peizhen Peter Molnar William R. Downs

Around the globe, and in a variety of settings including active and inactive mountain belts, increases in sedimentation rates as well as in grain sizes of sediments were recorded at ,2±4 Myr ago, implying increased erosion rates. A change in climate represents the only process that is globally synchronous and can potentially account for the widespread increase in erosion and sedimentation, but ...

Journal: :Science 1999
Eckermann Preusse

Temperatures acquired by the Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere (CRISTA) during shuttle mission STS-66 have provided measurements of stratospheric mountain waves from space. Large-amplitude, long-wavelength mountain waves at heights of 15 to 30 kilometers above the southern Andes Mountains were observed and characterized, with vigorous wave breaking inferred abov...

2018
Etienne Delay Cyril Piou Hervé Quenol

The mountain environment is perceived today by vine-growers as a strong structural constraint. Yet in the current context of climate change, in which we turn to genetics, irrigation or innovation in cultural practices to maintain production quality, could the mountain environment emerge as a solution for adapting to climate change in vine-growing? Here we explore the role of cooperative policie...

2009
Claudia Drexler

Low abiotic stress No specific adaptations (ecotype) High disturbance High propagule pressure High competition High abiotic stress Low disturbance Low propagule pressure Specific adaptations (ecotype) Low High hindering invasion promoting invasion Altitude This Newsletter comes out twice a year. Editors: Claudia Drexler and Gregory Greenwood. Design and Layout: Claudia Drexler The MRI and its p...

Journal: :American journal of botany 2017
Jeremy S Johnson Keith D Gaddis David M Cairns Kranti Konganti Konstantin V Krutovsky

PREMISE OF THE STUDY Untangling alternative historic dispersal pathways in long-lived tree species is critical to better understand how temperate tree species may respond to climatic change. However, disentangling these alternative pathways is often difficult. Emerging genomic technologies and landscape genetics techniques improve our ability to assess these pathways in natural systems. We addr...

Journal: :Journal of Economic Development, Environment and People 2018

2012
Matteo Dainese

An understanding of the climate conditions governing spatial variation in the reproductive performance of plants can provide important information about the factors characterizing plant community structure, especially in the context of climate change. This study focuses on the effect of climate on the sexual reproductive output of Dactylis glomerata L., a perennial grass species widely distribu...

2011
Paul H. Evangelista Sunil Kumar Thomas J. Stohlgren Nicholas E. Young

0378-1127/$ see front matter 2011 Elsevier B.V. A doi:10.1016/j.foreco.2011.03.036 ⇑ Corresponding author. Present address: Natural R A204 NESB, Colorado State University, Fort Collins, C 970 491 2302; fax: +1 970 491 1965. E-mail address: [email protected] (P.H. The aim of our study was to estimate forest vulnerability and potential distribution of three bark beetles (Curculionidae: ...

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